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XSDEcoreBuilder.java

/**
 * <copyright>
 *
 * Copyright (c) 2002-2006 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   IBM - Initial API and implementation
 *
 * </copyright>
 *
 * $Id: XSDEcoreBuilder.java,v 1.100 2009/02/12 20:25:04 emerks Exp $
 */
package org.eclipse.xsd.ecore;


import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.StringTokenizer;

import javax.xml.namespace.QName;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import org.eclipse.emf.common.CommonPlugin;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.common.util.UniqueEList;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EEnumLiteral;
import org.eclipse.emf.ecore.EGenericType;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.emf.ecore.ENamedElement;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EParameter;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.ETypeParameter;
import org.eclipse.emf.ecore.ETypedElement;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.impl.EPackageRegistryImpl;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.BasicExtendedMetaData;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.EcoreValidator;
import org.eclipse.emf.ecore.util.ExtendedMetaData;
import org.eclipse.emf.ecore.xml.namespace.XMLNamespacePackage;
import org.eclipse.emf.ecore.xml.type.XMLTypePackage;
import org.eclipse.emf.ecore.xml.type.util.XMLTypeUtil;

import org.eclipse.xsd.*;
import org.eclipse.xsd.util.DefaultJAXPConfiguration;
import org.eclipse.xsd.util.XSDConstants;
import org.eclipse.xsd.util.XSDResourceFactoryImpl;
import org.eclipse.xsd.util.XSDResourceImpl;
import org.eclipse.xsd.util.XSDSwitch;


public class XSDEcoreBuilder extends MapBuilder
{
  static
  {
    // Ensure that the extended meta data for XMLTypePackage and XMLNamespacePackage is cached once on first use.
    //
    new XSDEcoreBuilder(ExtendedMetaData.INSTANCE);
  }

  protected XSDSchema rootSchema;
  protected List<List<String>> simpleDiagnostics;
  protected List<XSDDiagnostic> diagnostics;
  protected List<XSDSchema> xsdSchemas = new UniqueEList<XSDSchema>();
  protected Map<String, EPackage> targetNamespaceToEPackageMap = new LinkedHashMap<String, EPackage>();
  protected ExtendedMetaData extendedMetaData;
  protected Map<EReference, String> eReferenceToOppositeNameMap = new LinkedHashMap<EReference, String>();
  protected Map<EReference, List<String>> eReferenceToKeyNamesMap = new LinkedHashMap<EReference, List<String>>();
  protected Map<EClassifier, EClassifier> typeToTypeObjectMap = new HashMap<EClassifier, EClassifier>();
  protected EcoreValidator.EGenericTypeBuilder eGenericTypeBuilder = 
    new EcoreValidator.EGenericTypeBuilder()
    {
      @Override
      protected boolean isIdentifierStart(int codePoint)
      {
        return XMLTypeUtil.isNameStart(codePoint);
      }

      @Override
      protected boolean isIdentifierPart(int codePoint) 
      {
        return XMLTypeUtil.isNamePart(codePoint);
      }
    };

  public static final String OPTION_REUSE_REGISTERED_PACKAGES = "REUSE_REGISTERED_PACKAGES";
  protected boolean reuseRegisteredPackages;

  public XSDEcoreBuilder()
  {
    this(new BasicExtendedMetaData(new EPackageRegistryImpl()));
  }

  public XSDEcoreBuilder(ExtendedMetaData extendedMetaData)
  {
    this(extendedMetaData, null);
  }

  public XSDEcoreBuilder(ExtendedMetaData extendedMetaData, Map<?, ?> options)
  {
    this.extendedMetaData = extendedMetaData;
    populateTypeToTypeObjectMap(XMLTypePackage.eINSTANCE);
    populateTypeToTypeObjectMap(XMLNamespacePackage.eINSTANCE);
    handleOptions(options);
  }

  protected void handleOptions(Map<?, ?> options)  
  {
    if (options != null)
    {
      reuseRegisteredPackages = Boolean.TRUE.equals(options.get(OPTION_REUSE_REGISTERED_PACKAGES));
    }
  }

  protected void populateTypeToTypeObjectMap(EPackage ePackage)
  {
    for (EClassifier eClassifier : ePackage.getEClassifiers())
    {
      String xmlName = extendedMetaData.getName(eClassifier);
      if (xmlName != null && xmlName.endsWith(":Object"))
      {
        typeToTypeObjectMap.put(extendedMetaData.getType(ePackage, xmlName.substring(0, xmlName.length() - 7)), eClassifier);
      }
    }
  }

  public XSDSchema getSchema()
  {
    return rootSchema;
  }

  public void setValidate(boolean validate)
  {
    diagnostics = validate ? new ArrayList<XSDDiagnostic>() : null;
  }

  public List<XSDDiagnostic> getDiagnostics()
  {
    return diagnostics;
  }

  public XSDSchema getRootSchema()
  {
    return rootSchema;
  }

  public Map<String, EPackage> getTargetNamespaceToEPackageMap()
  {
     return targetNamespaceToEPackageMap;
  }

  public Map<XSDComponent, EModelElement> getXSDComponentToEModelElementMap()
  {
    return xsdComponentToEModelElementMap;
  }

  public EPackage getEPackage(XSDNamedComponent xsdNamedComponent)
  {
    XSDSchema containingXSDSchema = xsdNamedComponent.getSchema();
    if (containingXSDSchema != null && !xsdSchemas.contains(containingXSDSchema))
    {
      xsdSchemas.add(containingXSDSchema);
      addInput(containingXSDSchema);
      validate(containingXSDSchema);
    }

    String targetNamespace =
      containingXSDSchema == null ?
        xsdNamedComponent.getTargetNamespace() :
        containingXSDSchema.getTargetNamespace();
    EPackage ePackage = targetNamespaceToEPackageMap.get(targetNamespace);
    if (ePackage == null)
    {
      ePackage = EcoreFactory.eINSTANCE.createEPackage();
      setAnnotations(ePackage, containingXSDSchema);
      addOutput(ePackage);
      if (targetNamespace == null)
      {
        if (containingXSDSchema == null)
        {
          containingXSDSchema = rootSchema;
        }
        String nsURI = getEcoreAttribute(containingXSDSchema, "nsURI");
        if (nsURI != null)
        {
          String qualifiedPackageName = qualifiedPackageName(nsURI);
          ePackage.setName(qualifiedPackageName);
          ePackage.setNsURI(nsURI);
        }
        else
        {
          ePackage.setName(validName(containingXSDSchema.eResource().getURI().trimFileExtension().lastSegment(), true));
          ePackage.setNsURI(containingXSDSchema.eResource().getURI().toString());
        }

        // Also register against the nsURI for the case that the target namespace is null.
        //
        // extendedMetaData.putPackage(ePackage.getNsURI(), ePackage);
      }
      else
      {
        String qualifiedPackageName = qualifiedPackageName(targetNamespace);
        ePackage.setName(qualifiedPackageName);
        ePackage.setNsURI(targetNamespace);
      }

      String nsPrefix = ePackage.getName();
      int index = nsPrefix.lastIndexOf('.');
      nsPrefix = index == -1 ? nsPrefix : nsPrefix.substring(index + 1);

      // http://www.w3.org/TR/REC-xml-names/#xmlReserved
      // Namespace Constraint: Leading "XML"
      // Prefixes beginning with the three-letter sequence x, m, l, in any case combination,
      // are reserved for use by XML and XML-related specifications.
      //
      if (nsPrefix.toLowerCase().startsWith("xml"))
      {
        nsPrefix = "_" + nsPrefix;
      }
      ePackage.setNsPrefix(nsPrefix);

      extendedMetaData.setQualified(ePackage, targetNamespace != null);
      extendedMetaData.putPackage(targetNamespace, ePackage);

      targetNamespaceToEPackageMap.put(targetNamespace, ePackage);
    }

    return ePackage;
  }


  public EClassifier getEClassifier(XSDTypeDefinition xsdTypeDefinition)
  {
    EClassifier eClassifier = (EClassifier)xsdComponentToEModelElementMap.get(xsdTypeDefinition);
    if (eClassifier == null)
    {
      eClassifier = computeEClassifier(xsdTypeDefinition);
      map(xsdTypeDefinition, eClassifier);
    }
    return eClassifier;
  }

  public EDataType getEDataType(XSDSimpleTypeDefinition xsdSimpleTypeDefinition)
  {
    EDataType eDataType = (EDataType)xsdComponentToEModelElementMap.get(xsdSimpleTypeDefinition);
    if (eDataType == null)
    {
      eDataType = computeEDataType(xsdSimpleTypeDefinition);
      map(xsdSimpleTypeDefinition, eDataType);
    }
    return eDataType;
  }

  public EClass getEClass(XSDComplexTypeDefinition xsdComplexTypeDefinition)
  {
    EClass eClass = (EClass)xsdComponentToEModelElementMap.get(xsdComplexTypeDefinition);
    if (eClass == null)
    {
      eClass = computeEClass(xsdComplexTypeDefinition);
      map(xsdComplexTypeDefinition, eClass);
    }
    return eClass;
  }

  protected EClassifier getBuiltInEClassifier(String namespace, String name)
  {
    return
      "anyType".equals(name) ?
        EcorePackage.Literals.EOBJECT :
        extendedMetaData.getType(XMLTypePackage.eINSTANCE, name);
  }

  protected EClassifier computeEClassifier(XSDTypeDefinition xsdTypeDefinition)
  {
    if (xsdTypeDefinition == null)
    {
      return getBuiltInEClassifier(rootSchema.getSchemaForSchemaNamespace(), "anySimpleType");
    }
    else if (xsdTypeDefinition instanceof XSDSimpleTypeDefinition)
    {
      return computeEDataType((XSDSimpleTypeDefinition)xsdTypeDefinition);
    }
    else
    {
      return computeEClass((XSDComplexTypeDefinition)xsdTypeDefinition);
    }
  }

  protected EDataType computeEDataType(XSDSimpleTypeDefinition xsdSimpleTypeDefinition)
  {
    if (xsdSimpleTypeDefinition == null)
    {
      return (EDataType)getBuiltInEClassifier(rootSchema.getSchemaForSchemaNamespace(), "anySimpleType");
    }
    else if (XSDConstants.isSchemaForSchemaNamespace(xsdSimpleTypeDefinition.getTargetNamespace()))
    {
      String name = xsdSimpleTypeDefinition.getName();
      if (name != null)
      {
        EDataType result = (EDataType)getBuiltInEClassifier(xsdSimpleTypeDefinition.getTargetNamespace(), "anyType".equals(name) ? "anySimpleType" : name);
        if (result != null)
        {
          return result;
        }
      }
    }
    else if (xsdSimpleTypeDefinition.getContainer() == null)
    {
      return (EDataType)getBuiltInEClassifier(rootSchema.getSchemaForSchemaNamespace(), "anySimpleType");
    }
    else if (reuseRegisteredPackages)
    {
      String name= xsdSimpleTypeDefinition.getName();
      EDataType eDataType = (EDataType)extendedMetaData.getType(xsdSimpleTypeDefinition.getTargetNamespace(), name);
      if (eDataType != null)
      {
        if (name != null)
        {
          EClassifier objectType = extendedMetaData.getType(eDataType.getEPackage(), name + ":Object");
          if (objectType != null)
          {
            typeToTypeObjectMap.put(eDataType, objectType);
          }
        }
        return eDataType;
      }
    }

    String explicitInstanceClassName = getEcoreAttribute(xsdSimpleTypeDefinition, "instanceClass");
    if (explicitInstanceClassName != null)
    {
      EDataType eDataType = EcoreFactory.eINSTANCE.createEDataType();
      setAnnotations(eDataType, xsdSimpleTypeDefinition);
      // Do this early to prevent recursive loop.
      xsdComponentToEModelElementMap.put(xsdSimpleTypeDefinition, eDataType);

      String aliasName = getEcoreAttribute(xsdSimpleTypeDefinition, "name");
      if (aliasName == null)
      {
        aliasName = validAliasName(xsdSimpleTypeDefinition, true);
      }
      eDataType.setName(aliasName);
      extendedMetaData.setName(eDataType, xsdSimpleTypeDefinition.getAliasName());

      eDataType.setInstanceTypeName(explicitInstanceClassName.replace('{', '<').replace('}', '>'));

      EPackage ePackage = getEPackage(xsdSimpleTypeDefinition);
      addToSortedList(ePackage.getEClassifiers(), eDataType);

      checkForPrimitive(xsdSimpleTypeDefinition, eDataType);

      handleFacets(xsdSimpleTypeDefinition, eDataType);
      handleTypeArguments(xsdSimpleTypeDefinition, eDataType);

      String constraints = getEcoreAttribute(xsdSimpleTypeDefinition, "constraints");
      if (constraints != null)
      {
        EcoreUtil.setAnnotation(eDataType, EcorePackage.eNS_URI, "constraints", constraints);
      }

      if ("false".equals(getEcoreAttribute(xsdSimpleTypeDefinition, "serializable")))
      {
        eDataType.setSerializable(false);
      }
      return eDataType;
    }
    else
    {
      EEnum eEnum = computeEEnum(xsdSimpleTypeDefinition);
      if (eEnum != null)
      {
        return eEnum;
      }
      else
      {
        XSDSimpleTypeDefinition baseTypeDefinition = xsdSimpleTypeDefinition.getBaseTypeDefinition();
        if (baseTypeDefinition != null)
        {
          EDataType eDataType = EcoreFactory.eINSTANCE.createEDataType();
          setAnnotations(eDataType, xsdSimpleTypeDefinition);
          // Do this early to prevent recursive loop.
          xsdComponentToEModelElementMap.put(xsdSimpleTypeDefinition, eDataType);

          String name = getEcoreAttribute(xsdSimpleTypeDefinition, "name");
          if (name == null)
          {
            name = validAliasName(xsdSimpleTypeDefinition, true);
          }

          eDataType.setName(name);
          extendedMetaData.setName(eDataType, xsdSimpleTypeDefinition.getAliasName());

          EPackage ePackage = getEPackage(xsdSimpleTypeDefinition);
          addToSortedList(ePackage.getEClassifiers(), eDataType);

          if (baseTypeDefinition.getVariety() != xsdSimpleTypeDefinition.getVariety())
          {
            if (xsdSimpleTypeDefinition.getVariety() == XSDVariety.LIST_LITERAL)
            {
              EDataType itemEDataType = getEDataType(xsdSimpleTypeDefinition.getItemTypeDefinition());
              extendedMetaData.setItemType(eDataType, itemEDataType);
              eDataType.setInstanceTypeName("java.util.List");
            }
            else
            {
              String instanceClassName = null;
              List<EDataType> memberTypes = new ArrayList<EDataType>();
              for (XSDSimpleTypeDefinition memberTypeDefinition : xsdSimpleTypeDefinition.getMemberTypeDefinitions())
              {
                EDataType memberEDataType = getEDataType(memberTypeDefinition);
                memberTypes.add(memberEDataType);
                String memberInstanceClassName = memberEDataType.getInstanceTypeName();
                if (memberInstanceClassName == null && memberEDataType instanceof EEnum)
                {
                  memberInstanceClassName = "org.eclipse.emf.common.util.Enumerator";
                }
                if (instanceClassName == null)
                {
                  instanceClassName = memberInstanceClassName;
                }
                else if (instanceClassName != memberInstanceClassName)
                {
                  instanceClassName = "java.lang.Object";
                }
              }
              extendedMetaData.setMemberTypes(eDataType, memberTypes);
              eDataType.setInstanceTypeName(instanceClassName);
            }
          }
          else
          {
            EDataType baseEDataType = getEDataType(baseTypeDefinition);
            String instanceClassName = getInstanceClassName(xsdSimpleTypeDefinition, baseEDataType);

            // Don't set up circular inheritance.
            //
            if (XSDConstants.isOrIsDerivedFrom(baseTypeDefinition, xsdSimpleTypeDefinition.getName(), xsdSimpleTypeDefinition.getTargetNamespace()))
            {
              eDataType.setInstanceTypeName
                (instanceClassName == null ?
                   "java.lang.String" :
                   instanceClassName);
            }
            else
            {
              extendedMetaData.setBaseType(eDataType, baseEDataType);
              eDataType.setInstanceTypeName
                (instanceClassName == null ?
                   "org.eclipse.emf.common.util.Enumerator" :
                   instanceClassName);
            }
          }

          checkForPrimitive(xsdSimpleTypeDefinition, eDataType);
          handleFacets(xsdSimpleTypeDefinition, eDataType);
          handleTypeArguments(xsdSimpleTypeDefinition, eDataType);

          String constraints = getEcoreAttribute(xsdSimpleTypeDefinition, "constraints");
          if (constraints != null)
          {
            EcoreUtil.setAnnotation(eDataType, EcorePackage.eNS_URI, "constraints", constraints);
          }

          if ("false".equals(getEcoreAttribute(xsdSimpleTypeDefinition, "serializable")))
          {
            eDataType.setSerializable(false);
          }

          return eDataType;
        }
      }
      return (EDataType)getBuiltInEClassifier(rootSchema.getSchemaForSchemaNamespace(), "anySimpleType");
    }
  }

  protected String getInstanceClassName(XSDTypeDefinition xsdTypeDefinition, EDataType baseEDataType)
  {
     return baseEDataType.getInstanceTypeName();
  }

  protected String validAliasName(XSDTypeDefinition xsdTypeDefinition, boolean isUpperCase)
  {
    return validName(xsdTypeDefinition.getAliasName(), isUpperCase);
  }

  protected static final List<String> PRIMITIVES =
    Arrays.asList
      (new String []
       {
        "boolean",
        "byte",
        "char",
        "double",
        "float",
        "int",
        "long",
        "short"
       });

  protected static final String [] PRIMITIVE_WRAPPERS =
    new String []
    {
     "java.lang.Boolean",
     "java.lang.Byte",
     "java.lang.Character",
     "java.lang.Double",
     "java.lang.Float",
     "java.lang.Integer",
     "java.lang.Long",
     "java.lang.Short"
    };

  protected static final Map<String, String> ECORE_PRIMITIVE_TYPES = new HashMap<String, String>();
  static
  {
    ECORE_PRIMITIVE_TYPES.put("EBoolean", "EBooleanObject");
    ECORE_PRIMITIVE_TYPES.put("EByte", "EByteObject");
    ECORE_PRIMITIVE_TYPES.put("EChar", "ECharacterObject");
    ECORE_PRIMITIVE_TYPES.put("EDouble", "EDoubleObject");
    ECORE_PRIMITIVE_TYPES.put("EFloat", "EFloatObject");
    ECORE_PRIMITIVE_TYPES.put("EInt", "EIntegerObject");
    ECORE_PRIMITIVE_TYPES.put("ELong", "ELongObject");
    ECORE_PRIMITIVE_TYPES.put("EShort", "EShortObject");
  }

  protected static boolean canSupportNull(EDataType eDataType)
  {
    return !(eDataType instanceof EEnum) && PRIMITIVES.indexOf(eDataType.getInstanceTypeName()) == -1;
  }

  protected void checkForPrimitive(XSDSimpleTypeDefinition xsdSimpleTypeDefinition, EDataType eDataType)
  {
    if (EcorePackage.eNS_URI.equals(xsdSimpleTypeDefinition.getTargetNamespace()))
    {
      String wrapperType = ECORE_PRIMITIVE_TYPES.get(eDataType.getName());
      if (wrapperType != null)
      {
        XSDSimpleTypeDefinition wrapperTypeDefinition = xsdSimpleTypeDefinition.resolveSimpleTypeDefinition(wrapperType);
        if (wrapperTypeDefinition.getContainer() != null)
        {
          EDataType eDataTypeObject = (EDataType)getEClassifier(wrapperTypeDefinition);
          extendedMetaData.setName(eDataTypeObject, eDataType.getName() + ":Object");
          extendedMetaData.setBaseType(eDataTypeObject, eDataType);
          typeToTypeObjectMap.put(eDataType, eDataTypeObject);
          return;
        }
      }
    }

    checkForPrimitive(eDataType);
  }

  protected void checkForPrimitive(EDataType eDataType)
  {
    int index = PRIMITIVES.indexOf(eDataType.getInstanceTypeName());
    if (index != -1 || eDataType instanceof EEnum)
    {
      EDataType eDataTypeObject = EcoreFactory.eINSTANCE.createEDataType();
      eDataTypeObject.setName(eDataType.getName() + "Object");
      if (index != -1)
      {
        eDataTypeObject.setInstanceTypeName(PRIMITIVE_WRAPPERS[index]);
      }
      else
      {
        eDataTypeObject.setInstanceTypeName("org.eclipse.emf.common.util.Enumerator");
      }
      extendedMetaData.setName(eDataTypeObject, extendedMetaData.getName(eDataType) + ":Object");
      addToSortedList(eDataType.getEPackage().getEClassifiers(), eDataTypeObject);
      extendedMetaData.setBaseType(eDataTypeObject, eDataType);

      typeToTypeObjectMap.put(eDataType, eDataTypeObject);
    }
  }

  protected void handleFacets(final XSDSimpleTypeDefinition xsdSimpleTypeDefinition, final EDataType eDataType)
  {
    final List<String> enumeration = new ArrayList<String>();
    final List<String> pattern = new ArrayList<String>();
    for (final XSDFacet xsdFacet : xsdSimpleTypeDefinition.getFacetContents())
    {
      String ignore = getEcoreAttribute(xsdFacet, "ignore");
      if (!"true".equalsIgnoreCase(ignore))
      {
        new XSDSwitch<Object>()
        {
          @Override
          public Object caseXSDEnumerationFacet(XSDEnumerationFacet xsdEnumerationFacet)
          {
            List<?> values = xsdEnumerationFacet.getValue();
            if (!values.isEmpty())
            {
              String lexicalValue= xsdSimpleTypeDefinition.getNormalizedLiteral(xsdEnumerationFacet.getLexicalValue());
              Object value = values.get(0);
              if (value instanceof List<?>)
              {
                List<?> valueItems = (List<?>)value;
                String[] lexicalItems = lexicalValue.split("[ \t\n\r]");
                StringBuilder composedValue = new StringBuilder();
                for (int i = 0, size = Math.min(valueItems.size(), lexicalItems.length); i < size; ++i)
                {
                  Object item = valueItems.get(i);
                  String lexicalItem = lexicalItems[i];
                  if (item instanceof QName)
                  {
                    lexicalItem = item.toString();
                  }
                  if (i > 0)
                  {
                    composedValue.append(' ');
                  }
                  composedValue.append(lexicalItem);
                }
                enumeration.add(composedValue.toString());
              }
              else 
              {
                if (value instanceof QName)
                {
                  lexicalValue = value.toString();
                }
                enumeration.add(lexicalValue);
              }
            }
            return this;
          }

          @Override
          public Object caseXSDFractionDigitsFacet(XSDFractionDigitsFacet xsdFractionDigitsFacet)
          {
            extendedMetaData.setFractionDigitsFacet(eDataType, xsdFractionDigitsFacet.getValue());
            return this;
          }

          @Override
          public Object caseXSDLengthFacet(XSDLengthFacet xsdLengthFacet)
          {
            extendedMetaData.setLengthFacet(eDataType, xsdLengthFacet.getValue());
            return this;
          }
          @Override
          public Object caseXSDMaxExclusiveFacet(XSDMaxExclusiveFacet xsdMaxExclusiveFacet)
          {
            extendedMetaData.setMaxExclusiveFacet(eDataType, xsdMaxExclusiveFacet.getLexicalValue());
            return this;
          }

          @Override
          public Object caseXSDMaxInclusiveFacet(XSDMaxInclusiveFacet xsdMaxInclusiveFacet)
          {
            extendedMetaData.setMaxInclusiveFacet(eDataType, xsdMaxInclusiveFacet.getLexicalValue());
            return this;
          }

          @Override
          public Object caseXSDMaxLengthFacet(XSDMaxLengthFacet xsdMaxLengthFacet)
          {
            extendedMetaData.setMaxLengthFacet(eDataType, xsdMaxLengthFacet.getValue());
            return this;
          }

          @Override
          public Object caseXSDMinExclusiveFacet(XSDMinExclusiveFacet xsdMinExclusiveFacet)
          {
            extendedMetaData.setMinExclusiveFacet(eDataType, xsdMinExclusiveFacet.getLexicalValue());
            return this;
          }

          @Override
          public Object caseXSDMinInclusiveFacet(XSDMinInclusiveFacet xsdMinInclusiveFacet)
          {
            extendedMetaData.setMinInclusiveFacet(eDataType, xsdMinInclusiveFacet.getLexicalValue());
            return this;
          }

          @Override
          public Object caseXSDMinLengthFacet(XSDMinLengthFacet xsdMinLengthFacet)
          {
            extendedMetaData.setMinLengthFacet(eDataType, xsdMinLengthFacet.getValue());
            return this;
          }

          @Override
          public Object caseXSDPatternFacet(XSDPatternFacet xsdPatternFacet)
          {
            pattern.add(xsdPatternFacet.getLexicalValue());
            return this;
          }

          @Override
          public Object caseXSDTotalDigitsFacet(XSDTotalDigitsFacet xsdTotalDigitsFacet)
          {
            extendedMetaData.setTotalDigitsFacet(eDataType, xsdTotalDigitsFacet.getValue());
            return this;
          }

          @Override
          public Object caseXSDWhiteSpaceFacet(XSDWhiteSpaceFacet xsdWhiteSpaceFacet)
          {
            extendedMetaData.setWhiteSpaceFacet(eDataType, xsdWhiteSpaceFacet.getValue().getValue() + 1);
            return this;
          }
        }.doSwitch(xsdFacet);
      }
    }
    extendedMetaData.setEnumerationFacet(eDataType, enumeration);
    extendedMetaData.setPatternFacet(eDataType, pattern);
  }

  void handleTypeArguments(XSDTypeDefinition xsdTypeDefinition, EClassifier eClassifier)
  {
    XSDAnnotation xsdAnnotation = xsdTypeDefinition.getAnnotation();
    if (xsdAnnotation != null)
    {
      List<Element> applicationInformationList = xsdAnnotation.getApplicationInformation(EcorePackage.eNS_URI);
      for (Element applicationInformation : applicationInformationList)
      {
        if ("typeParameters".equals(applicationInformation.getAttributeNS(EcorePackage.eNS_URI, "key")))
        {
          for (Element typeParameter : getElements(applicationInformation, "typeParameter"))
          {
            ETypeParameter eTypeParameter = EcoreFactory.eINSTANCE.createETypeParameter();
            String typeParameterName = typeParameter.getAttributeNS(null, "name");
            eTypeParameter.setName(typeParameterName);
            eClassifier.getETypeParameters().add(eTypeParameter);
            eTypeParameter.getEBounds().addAll(getGenericTypes(xsdTypeDefinition, typeParameter, eClassifier, typeParameter.getAttributeNS(null, "bounds")));
          }
        }
      }
    }
  }

  protected EEnum computeEEnum(XSDSimpleTypeDefinition xsdSimpleTypeDefinition)
  {
    // If a simple type has enumeration facets, map it to an EEnum.
    //
    if (!xsdSimpleTypeDefinition.getEnumerationFacets().isEmpty() && !"false".equals(getEcoreAttribute(xsdSimpleTypeDefinition, "enum")))
    {
      for (Object enumerator : xsdSimpleTypeDefinition.getEffectiveEnumerationFacet().getValue())
      {
        if (enumerator instanceof QName)
        {
          return null;
        }
        else if (enumerator instanceof List<?>)
        {
          for (Object item : (List<?>)enumerator)
          {
            if (item instanceof QName)
            {
              return null;
            }
          }
        }
      }

      EEnum eEnum = EcoreFactory.eINSTANCE.createEEnum();
      setAnnotations(eEnum, xsdSimpleTypeDefinition);

      String name = getEcoreAttribute(xsdSimpleTypeDefinition, "name");
      if (name == null)
      {
        name = validAliasName(xsdSimpleTypeDefinition, true);
      }
      eEnum.setName(name);
      extendedMetaData.setName(eEnum, xsdSimpleTypeDefinition.getAliasName());

      EPackage ePackage = getEPackage(xsdSimpleTypeDefinition);
      addToSortedList(ePackage.getEClassifiers(), eEnum);

      String constraints = getEcoreAttribute(xsdSimpleTypeDefinition, "constraints");
      if (constraints != null)
      {
        EcoreUtil.setAnnotation(eEnum, EcorePackage.eNS_URI, "constraints", constraints);
      }

      for (ListIterator<XSDEnumerationFacet> i = xsdSimpleTypeDefinition.getEnumerationFacets().listIterator();  i.hasNext(); )
      {
        XSDEnumerationFacet xsdEnumerationFacet = i.next();
        if (!"true".equalsIgnoreCase(getEcoreAttribute(xsdEnumerationFacet, "ignore")))
        {
          String literal = xsdSimpleTypeDefinition.getNormalizedLiteral(xsdEnumerationFacet.getLexicalValue());
          if (literal != null && eEnum.getEEnumLiteralByLiteral(literal) == null)
          {
            EEnumLiteral eEnumLiteral = EcoreFactory.eINSTANCE.createEEnumLiteral();
            setAnnotations(eEnumLiteral, xsdEnumerationFacet);
            String literalName = getEcoreAttribute(xsdEnumerationFacet, "name");
            if (literalName == null)
            {
              literalName = validName(literal, UNCHANGED_CASE, "_");
            }
            eEnumLiteral.setName(literalName);
            int value = i.previousIndex();
            String valueLiteral = getEcoreAttribute(xsdEnumerationFacet, "value");
            if (valueLiteral != null)
            {
              value = Integer.parseInt(valueLiteral);
            }
            eEnumLiteral.setValue(value);
            if (!literalName.equals(literal))
            {
              eEnumLiteral.setLiteral(literal);
            }
            eEnum.getELiterals().add(eEnumLiteral);
            map(xsdEnumerationFacet, eEnumLiteral);
          }
        }
      }

      checkForPrimitive(eEnum);

      return eEnum;
    }

    return null;
  }

  public EClass computeEClass(XSDComplexTypeDefinition xsdComplexTypeDefinition)
  {
    if (xsdComplexTypeDefinition == null)
    {
      return (EClass)getBuiltInEClassifier(rootSchema.getSchemaForSchemaNamespace(), "anyType");
    }
    else if (XSDConstants.isSchemaForSchemaNamespace(xsdComplexTypeDefinition.getTargetNamespace()))
    {
      String name = xsdComplexTypeDefinition.getName();
      if (name != null)
      {
        EClass result = (EClass)getBuiltInEClassifier(xsdComplexTypeDefinition.getTargetNamespace(), name);
        if (result != null)
        {
          return result;
        }
      }
    }
    else if (xsdComplexTypeDefinition.getContainer() == null)
    {
      return (EClass)getBuiltInEClassifier(rootSchema.getSchemaForSchemaNamespace(), "anyType");
    }
    else if (reuseRegisteredPackages)
    {
      EClass eClass = (EClass)extendedMetaData.getType(xsdComplexTypeDefinition.getTargetNamespace(), xsdComplexTypeDefinition.getName());
      if (eClass != null)
      {
        return eClass;
      }
    }

    EClass eClass = EcoreFactory.eINSTANCE.createEClass();
    setAnnotations(eClass, xsdComplexTypeDefinition);
    // Do this early to prevent recursive loop.
    xsdComponentToEModelElementMap.put(xsdComplexTypeDefinition, eClass);

    if ("true".equals(getEcoreAttribute(xsdComplexTypeDefinition, "interface")))
    {
      eClass.setInterface(true);
    }

    String instanceClassName = getEcoreAttribute(xsdComplexTypeDefinition, "instanceClass");
    if (instanceClassName != null)
    {
      eClass.setInstanceTypeName(instanceClassName.replace('{', '<').replace('}', '>'));
    }

    String aliasName = getEcoreAttribute(xsdComplexTypeDefinition, "name");
    if (aliasName == null)
    {
      aliasName = validAliasName(xsdComplexTypeDefinition, true);
    }
    eClass.setName(aliasName);
    extendedMetaData.setName(eClass, xsdComplexTypeDefinition.getAliasName());

    String constraints = getEcoreAttribute(xsdComplexTypeDefinition, "constraints");
    if (constraints != null)
    {
      EcoreUtil.setAnnotation(eClass, EcorePackage.eNS_URI, "constraints", constraints);
    }

    EPackage ePackage = getEPackage(xsdComplexTypeDefinition);
    addToSortedList(ePackage.getEClassifiers(), eClass);

    if (xsdComplexTypeDefinition.isAbstract())
    {
      eClass.setAbstract(true);
    }

    handleTypeArguments(xsdComplexTypeDefinition, eClass);

    EClass baseClass = null;
    XSDTypeDefinition baseTypeDefinition = xsdComplexTypeDefinition.getBaseTypeDefinition();
    if (!baseTypeDefinition.isCircular())
    {
      EClassifier baseType = getEClassifier(baseTypeDefinition);
      if (baseType instanceof EClass && baseType != EcorePackage.Literals.EOBJECT)
      {
        EGenericType genericSuperType =
          getGenericType(xsdComplexTypeDefinition, xsdComplexTypeDefinition.getElement(), eClass, getEcoreAttribute(xsdComplexTypeDefinition, "extends"));
        if (genericSuperType != null && genericSuperType.getEClassifier() instanceof EClass)
        {
          eClass.getEGenericSuperTypes().add(genericSuperType);
          baseClass = (EClass)genericSuperType.getEClassifier();
        }
        else
        {
          eClass.getESuperTypes().add(baseClass = (EClass)baseType);
        }
      }
    }
    else if (XSDConstants.isURType(baseTypeDefinition) && xsdComplexTypeDefinition.getDerivationMethod() == XSDDerivationMethod.EXTENSION_LITERAL)
    {
      eClass.getESuperTypes().add(baseClass = XMLTypePackage.Literals.ANY_TYPE);
    }

    boolean isRestriction =
      !eClass.getESuperTypes().isEmpty() &&
        xsdComplexTypeDefinition.getDerivationMethod() == XSDDerivationMethod.RESTRICTION_LITERAL;

    for (EGenericType eGenericType : getGenericTypes(xsdComplexTypeDefinition, xsdComplexTypeDefinition.getElement(), eClass, getEcoreAttribute(xsdComplexTypeDefinition, "implements")))
    {
      EClassifier eClassifier = eGenericType.getEClassifier();
      if (eClassifier != null && eClassifier instanceof EClass && eClassifier != EcorePackage.Literals.EOBJECT)
      {
        eClass.getEGenericSuperTypes().add(eGenericType);
      }
    }

    // 51210
    // EAnnotation contentParticle = null;

    if (xsdComplexTypeDefinition.getContentTypeCategory() == XSDContentTypeCategory.SIMPLE_LITERAL)
    {
      extendedMetaData.setContentKind(eClass, ExtendedMetaData.SIMPLE_CONTENT);
      if (!"SimpleAnyType".equals(eClass.getName()) || !XMLTypePackage.eNS_URI.equals(eClass.getEPackage().getNsURI()))
      {
        if (eClass.getEAllStructuralFeatures().isEmpty())
        {
          XSDComplexTypeContent xsdComplexTypeContent = xsdComplexTypeDefinition.getContent();
          String name = getEcoreAttribute(xsdComplexTypeContent, "name");
          if (name == null)
          {
            name = "value";
          }
          createFeature
            (eClass,
             null,
             name,
             xsdComplexTypeContent,
             false);
        }
        else
        {
          XSDSimpleTypeDefinition xsdSimpleTypeDefinition = xsdComplexTypeDefinition.getSimpleType();
          getEClassifier(xsdSimpleTypeDefinition);
        }
      }
    }
    else
    {
      EStructuralFeature globalGroup = null;
      boolean isMixed = xsdComplexTypeDefinition.getContentTypeCategory() == XSDContentTypeCategory.MIXED_LITERAL;
      String featureMapName = getEcoreAttribute(xsdComplexTypeDefinition, "featureMap");
      if (eClass.getESuperTypes().isEmpty() ?
            "true".equals(getEcoreAttribute(xsdComplexTypeDefinition, "mixed")) :
            extendedMetaData.getMixedFeature(eClass.getESuperTypes().get(0)) != null)
      {
        isMixed = true;
      }
      extendedMetaData.setContentKind
        (eClass,
         isMixed ?
           ExtendedMetaData.MIXED_CONTENT :
           xsdComplexTypeDefinition.getContentTypeCategory() == XSDContentTypeCategory.EMPTY_LITERAL ?
             ExtendedMetaData.EMPTY_CONTENT :
             ExtendedMetaData.ELEMENT_ONLY_CONTENT);
      if (isMixed)
      {
        EStructuralFeature mixedFeature = extendedMetaData.getMixedFeature(eClass);
        if (mixedFeature == null)
        {
          if (featureMapName == null)
          {
            featureMapName = "mixed";
          }
          mixedFeature =
            createFeature
              (eClass,
               featureMapName,
               EcorePackage.Literals.EFEATURE_MAP_ENTRY,
               null,
               0,
               -1);
          extendedMetaData.setName(mixedFeature, ":mixed");
        }
      }
      else
      {
        globalGroup = extendedMetaData.getElement(eClass, null, ":group");
        if (globalGroup == null && featureMapName != null && eClass.getESuperTypes().isEmpty())
        {
          globalGroup =
            createFeature
              (eClass,
               featureMapName,
               EcorePackage.Literals.EFEATURE_MAP_ENTRY,
               null,
               0,
               -1);
          extendedMetaData.setName(globalGroup, ":group");
          extendedMetaData.setFeatureKind(globalGroup, ExtendedMetaData.GROUP_FEATURE);
        }
      }

      if (xsdComplexTypeDefinition.getContent() != null)
      {
        // 51210
        // Map particleMap = new HashMap();
        Map<XSDModelGroup, EStructuralFeature> groups = new HashMap<XSDModelGroup, EStructuralFeature>();
        List<EffectiveOccurrence> particleInformation = collectParticles((XSDParticle)xsdComplexTypeDefinition.getContent());
        for (EffectiveOccurrence effectiveOccurrence : particleInformation)
        {
          XSDParticle xsdParticle = effectiveOccurrence.xsdParticle;
          EStructuralFeature group = groups.get(effectiveOccurrence.xsdModelGroup);
          XSDTerm xsdTerm = xsdParticle.getTerm();
          EStructuralFeature eStructuralFeature = null;
          String name = getEcoreAttribute(xsdParticle, "name");
          if (xsdTerm instanceof XSDModelGroup)
          {
            if (!isRestriction)
            {
              XSDModelGroup xsdModelGroup = (XSDModelGroup)xsdTerm;
              if (name == null)
              {
                name = getEcoreAttribute(xsdParticle, "featureMap");
                if (name == null)
                {
                  name = getEcoreAttribute(xsdModelGroup, "name");
                  if (name == null)
                  {
                    name = getEcoreAttribute(xsdModelGroup, "featureMap");
                    if (name == null)
                    {
                      if (xsdModelGroup.getContainer() instanceof XSDModelGroupDefinition)
                      {
                        XSDModelGroupDefinition xsdModelGroupDefinition = (XSDModelGroupDefinition)xsdModelGroup.getContainer();
                        name =  getEcoreAttribute(xsdModelGroupDefinition, "name");
                        if (name == null)
                        {
                          name = validName(xsdModelGroupDefinition.getName(), true);
                        }
                      }
                      else
                      {
                        name = "group";
                      }
                    }
                  }
                }
              }

              eStructuralFeature =
                createFeature
                  (eClass,
                   name,
                   EcorePackage.Literals.EFEATURE_MAP_ENTRY,
                   xsdParticle,
                   0,
                   -1);
              groups.put(xsdModelGroup, eStructuralFeature);
              extendedMetaData.setName(eStructuralFeature, name + ":" + eClass.getEAllStructuralFeatures().indexOf(eStructuralFeature));
            }
          }
          else if (xsdTerm instanceof XSDWildcard)
          {
            if (!isRestriction)
            {
              if (name == null)
              {
                name = getEcoreAttribute(xsdTerm, "name");
                if (name == null)
                {
                  name = "any";
                }
              }
              eStructuralFeature =
                createFeature
                  (eClass,
                   name,
                   EcorePackage.Literals.EFEATURE_MAP_ENTRY,
                   xsdParticle,
                   effectiveOccurrence.minOccurs,
                   effectiveOccurrence.maxOccurs);
              // 51210
              // particleMap.put(xsdParticle, eStructuralFeature);
            }
          }
          else
          {
            XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdTerm;

            boolean isRedundant = false;
            if (isRestriction)
            {
              isRedundant =
                extendedMetaData.getElement
                  (baseClass, xsdElementDeclaration.getTargetNamespace(), xsdElementDeclaration.getName()) != null;

              if (!isRedundant)
              {
                group =
                  extendedMetaData.getElementWildcardAffiliation
                    (baseClass, xsdElementDeclaration.getTargetNamespace(), xsdElementDeclaration.getName());
              }
            }

            if (!isRedundant)
            {
              if (name == null)
              {
                name = getEcoreAttribute(xsdElementDeclaration, "name");
                if (name == null)
                {
                  name = validName(xsdElementDeclaration.getName(), true);
                }
              }

              String groupName = getEcoreAttribute(xsdParticle, "featureMap");
              if (groupName == null)
              {
                groupName = getEcoreAttribute(xsdElementDeclaration, "featureMap");
              }

              if (!"".equals(groupName) &&
                   (groupName != null  ||
                      (xsdElementDeclaration.isAbstract() ||
                       xsdElementDeclaration.getSubstitutionGroup().size() > 1) &&
                         !"true".equals(getEcoreAttribute(xsdParticle.getSchema().getElement(), "ignoreSubstitutionGroups"))))
              {
                if (groupName == null)
                {
                  groupName = name + "Group";
                }
                eStructuralFeature =
                  createFeature
                    (eClass,
                     groupName,
                    EcorePackage.Literals.EFEATURE_MAP_ENTRY,
                     xsdParticle,
                     effectiveOccurrence.minOccurs,
                     effectiveOccurrence.maxOccurs);

                eStructuralFeature.setChangeable(true);

                extendedMetaData.setFeatureKind(eStructuralFeature, ExtendedMetaData.GROUP_FEATURE);
                extendedMetaData.setName(eStructuralFeature, xsdElementDeclaration.getName() + ":group");

                if (group != null)
                {
                  extendedMetaData.setGroup(eStructuralFeature, group);
                  eStructuralFeature.setDerived(true);
                  eStructuralFeature.setTransient(true);
                  eStructuralFeature.setVolatile(true);
                }
                else if (isMixed)
                {
                  eStructuralFeature.setDerived(true);
                  eStructuralFeature.setTransient(true);
                  eStructuralFeature.setVolatile(true);
                }
                else if (globalGroup != null)
                {
                  extendedMetaData.setGroup(eStructuralFeature, globalGroup);
                  eStructuralFeature.setDerived(true);
                  eStructuralFeature.setTransient(true);
                  eStructuralFeature.setVolatile(true);
                }

                group = eStructuralFeature;
              }

              eStructuralFeature =
                 createFeature(eClass, xsdElementDeclaration, name, xsdParticle, effectiveOccurrence.minOccurs, effectiveOccurrence.maxOccurs);
              // 51210
              // particleMap.put(xsdParticle, eStructuralFeature);

              // If the group is turned off, we better make the feature changeable.
              //
              if (!eStructuralFeature.isChangeable() && group == null && getEcoreAttribute(xsdParticle, xsdElementDeclaration, "changeable") == null)
              {
                eStructuralFeature.setChangeable(true);
              }
            }
          }

          if (eStructuralFeature != null)
          {
            if (group != null)
            {
              extendedMetaData.setGroup(eStructuralFeature, group);
              eStructuralFeature.setDerived(true);
              eStructuralFeature.setTransient(true);
              eStructuralFeature.setVolatile(true);
            }
            else if (isMixed)
            {
              eStructuralFeature.setDerived(true);
              eStructuralFeature.setTransient(true);
              eStructuralFeature.setVolatile(true);
            }
            else if (globalGroup != null)
            {
              extendedMetaData.setGroup(eStructuralFeature, globalGroup);
              eStructuralFeature.setDerived(true);
              eStructuralFeature.setTransient(true);
              eStructuralFeature.setVolatile(true);
            }
          }
        }

        // 51210
        // contentParticle = computeParticleConstraints(eClass, particleMap, (XSDParticle)xsdComplexTypeDefinition.getContent());
      }
    }

    // 51210
    // EAnnotation attributeParticle = null;
    // if (isRestriction)
    // {
    //   attributeParticle = EcoreFactory.eINSTANCE.createEAnnotation();
    //   attributeParticle.setSource("attributes");
    // }

    XSDWildcard baseXSDWildcard = null;
    Collection<XSDAttributeUse> baseAttributeUses = Collections.emptyList();
    Map<String, XSDAttributeUse> baseAttributeURIs = new HashMap<String, XSDAttributeUse>();
    if (baseTypeDefinition instanceof XSDComplexTypeDefinition)
    {
      XSDComplexTypeDefinition complexBaseTypeDefinition = (XSDComplexTypeDefinition)baseTypeDefinition;
      baseXSDWildcard = complexBaseTypeDefinition.getAttributeWildcard();
      baseAttributeUses = complexBaseTypeDefinition.getAttributeUses();
      for (XSDAttributeUse xsdAttributeUse : baseAttributeUses)
      {
        baseAttributeURIs.put(xsdAttributeUse.getAttributeDeclaration().getURI(), xsdAttributeUse);
      }
    }

    for (XSDAttributeUse xsdAttributeUse : getAttributeUses(xsdComplexTypeDefinition))
    {
      XSDAttributeDeclaration xsdAttributeDeclaration = xsdAttributeUse.getAttributeDeclaration();
      if (baseAttributeURIs.remove(xsdAttributeDeclaration.getURI()) == null)
      {
        String name = getEcoreAttribute(xsdAttributeUse, "name");
        if (name == null)
        {
          name = getEcoreAttribute(xsdAttributeDeclaration, "name");
        }
        if (name == null)
        {
          name = validName(xsdAttributeDeclaration.getName(), true);
        }

        EStructuralFeature eStructuralFeature =
          createFeature(eClass, xsdAttributeDeclaration, name, xsdAttributeUse, xsdAttributeUse.isRequired());

        if (isRestriction)
        {
          EStructuralFeature attributeWildcardEStructuralFeature =
            extendedMetaData.getAttributeWildcardAffiliation
              (baseClass, xsdAttributeDeclaration.getTargetNamespace(), xsdAttributeDeclaration.getName());
          if (attributeWildcardEStructuralFeature != null)
          {
            extendedMetaData.setGroup(eStructuralFeature, attributeWildcardEStructuralFeature);
            eStructuralFeature.setDerived(true);
            eStructuralFeature.setTransient(true);
            eStructuralFeature.setVolatile(true);
          }
        }
      }
      /* 51210
      else if (isRestriction && !baseAttributeUses.contains(xsdAttributeUse))
      {
        EStructuralFeature eStructuralFeature =
          extendedMetaData.getAttribute(eClass, xsdAttributeDeclaration.getTargetNamespace(), xsdAttributeDeclaration.getName());
        if (eStructuralFeature != null)
        {
          EAnnotation attributeEAnnotation = EcoreFactory.eINSTANCE.createEAnnotation();
          if (xsdAttributeUse.isRequired())
          {
            attributeEAnnotation.getDetails().put("minOccurs", "1");
          }
          attributeEAnnotation.getReferences().add(eStructuralFeature);

          if (xsdAttributeDeclaration.getTypeDefinition() != null)
          {
            EClassifier type = getEClassifier(xsdAttributeDeclaration.getTypeDefinition());
            if (type != eStructuralFeature.getEType() && type != null)
            {
              attributeEAnnotation.getReferences().add(type);
            }
          }

          attributeParticle.getContents().add(attributeEAnnotation);
        }
      }
      */
    }

    /* 51210
    if (isRestriction && !baseAttributeURIs.isEmpty())
    {
      for (Iterator i = baseAttributeURIs.values().iterator(); i.hasNext(); )
      {
        XSDAttributeUse xsdAttributeUse = (XSDAttributeUse)i.next();
        XSDAttributeDeclaration xsdAttributeDeclaration = xsdAttributeUse.getAttributeDeclaration();
        EStructuralFeature eStructuralFeature =
          extendedMetaData.getAttribute(eClass, xsdAttributeDeclaration.getTargetNamespace(), xsdAttributeDeclaration.getName());
        if (eStructuralFeature != null)
        {
          EAnnotation attributeEAnnotation = EcoreFactory.eINSTANCE.createEAnnotation();
          attributeEAnnotation.getReferences().add(eStructuralFeature);
          attributeEAnnotation.getDetails().put("maxOccurs", "0");
          attributeParticle.getContents().add(attributeEAnnotation);
        }
      }
    }
    */

    XSDWildcard xsdWildcard = xsdComplexTypeDefinition.getAttributeWildcard();
    if (xsdWildcard != null && baseXSDWildcard != xsdWildcard || XSDConstants.isURType(xsdComplexTypeDefinition))
    {
      if (isRestriction && !XSDConstants.isURType(xsdComplexTypeDefinition))
      {
        // 51210
        // attributeParticle.getDetails().put
        //   ("wildcard", BasicExtendedMetaData.getEncodedWildcards(xsdComplexTypeDefinition.getTargetNamespace(), getWildcards(xsdWildcard)));
      }
      else
      {
        String name = getEcoreAttribute(xsdWildcard, "name");
        if (name == null)
        {
          name = "anyAttribute";
        }
        createFeature
          (eClass,
           name,
           EcorePackage.Literals.EFEATURE_MAP_ENTRY,
           xsdWildcard,
           0,
           -1);
      }
    }

    if (isRestriction)
    {
      // 51210
      // EAnnotation restrictionParticle = EcoreFactory.eINSTANCE.createEAnnotation();
      // restrictionParticle.setSource("restriction");
      // if (contentParticle != null)
      // {
      //  restrictionParticle.getContents().add(contentParticle);
      // }
      // if (!attributeParticle.getContents().isEmpty() || !attributeParticle.getDetails().isEmpty())
      // {
      //   restrictionParticle.getContents().add(attributeParticle);
      // }
      // contentParticle = restrictionParticle;

      int baseContentKind = extendedMetaData.getContentKind(eClass.getESuperTypes().get(0));
      if (baseContentKind == ExtendedMetaData.MIXED_CONTENT &&
            xsdComplexTypeDefinition.getContentTypeCategory() == XSDContentTypeCategory.SIMPLE_LITERAL)
      {
        XSDSimpleTypeDefinition contentType = xsdComplexTypeDefinition.getSimpleType();
        extendedMetaData.setContentKind(eClass, ExtendedMetaData.SIMPLE_CONTENT);
        if ("SimpleAnyType".equals(eClass.getName()) && XMLTypePackage.eNS_URI.equals(eClass.getEPackage().getNsURI()))
        {
          EStructuralFeature eStructuralFeature =
            createFeature
              (eClass,
               "rawValue",
               getBuiltInEClassifier(xsdComplexTypeDefinition.getSchema().getSchemaForSchemaNamespace(), "string"),
               null,
               0,
               1);
          eStructuralFeature.setDerived(true);
          eStructuralFeature.setTransient(true);
          eStructuralFeature.setVolatile(true);
        }

        XSDSimpleTypeDefinition baseSimpleContentType = contentType.getBaseTypeDefinition();
        EStructuralFeature eStructuralFeature =
          createFeature
            (eClass,
             "value",
             getEClassifier(baseSimpleContentType),
             null,
             0,
             1);
        eStructuralFeature.setDerived(true);
        eStructuralFeature.setTransient(true);
        eStructuralFeature.setVolatile(true);

        if ("SimpleAnyType".equals(eClass.getName()) && XMLTypePackage.eNS_URI.equals(eClass.getEPackage().getNsURI()))
        {
          eStructuralFeature =
            createFeature
              (eClass,
               "instanceType",
               EcorePackage.Literals.EDATA_TYPE,
               null,
               1,
               1);

          ((EReference)eStructuralFeature).setResolveProxies(false);
        }
      }
      else
      {
        extendedMetaData.setContentKind(eClass, baseContentKind);
      }
    }

    // 51210
    // extendedMetaData.setContent(eClass, contentParticle);

    XSDAnnotation xsdAnnotation = xsdComplexTypeDefinition.getAnnotation();
    if (xsdAnnotation != null)
    {
      List<Element> applicationInformationList = xsdAnnotation.getApplicationInformation(EcorePackage.eNS_URI);
      for (Element applicationInformation : applicationInformationList)
      {
        if ("operations".equals(applicationInformation.getAttributeNS(EcorePackage.eNS_URI, "key")))
        {
          for (Element operation : getElements(applicationInformation, "operation"))
          {
            EOperation eOperation = EcoreFactory.eINSTANCE.createEOperation();
            String operationName = operation.getAttributeNS(null, "name");
            eOperation.setName(operationName);

            eClass.getEOperations().add(eOperation);

            for (Element typeParameter : getElements(operation, "typeParameter"))
            {
              ETypeParameter eTypeParameter = EcoreFactory.eINSTANCE.createETypeParameter();
              String typeParameterName = typeParameter.getAttributeNS(null, "name");
              eTypeParameter.setName(typeParameterName);
              eOperation.getETypeParameters().add(eTypeParameter);
              eTypeParameter.getEBounds().addAll(getGenericTypes(xsdComplexTypeDefinition, typeParameter, eOperation, typeParameter.getAttributeNS(null, "bounds")));
            }

            EGenericType returnType = getGenericType(xsdComplexTypeDefinition, operation, eOperation, operation.getAttributeNS(null, "type"));
            if (returnType != null)
            {
              eOperation.setEGenericType(returnType);
            }

            // Since we included this by mistake, instead of the plural form, for the time being, we'd better accept either.
            //
            eOperation.getEGenericExceptions().addAll(getGenericTypes(xsdComplexTypeDefinition, operation, eOperation, operation.getAttributeNS(null, "exception")));
            eOperation.getEGenericExceptions().addAll(getGenericTypes(xsdComplexTypeDefinition, operation, eOperation, operation.getAttributeNS(null, "exceptions")));

            for (Element parameter : getElements(operation, "parameter"))
            {
              EParameter eParameter = EcoreFactory.eINSTANCE.createEParameter();
              String paramaterName = parameter.getAttributeNS(null, "name");
              eParameter.setName(paramaterName);

              EGenericType parameterType = getGenericType(xsdComplexTypeDefinition, operation, eOperation, parameter.getAttributeNS(null, "type"));
              eParameter.setEGenericType(parameterType);

              populateETypedElement(eParameter, parameter);
              eOperation.getEParameters().add(eParameter);
            }

            List<Element> body = getElements(operation, "body");
            if (!body.isEmpty())
            {
              EcoreUtil.setAnnotation(eOperation, "http://www.eclipse.org/emf/2002/GenModel", "body", getText(body.get(0)));
            }

            populateETypedElement(eOperation, operation);
          }
        }
      }
    }
    return eClass;
  }

  protected void populateETypedElement(ETypedElement eTypedElement, Element element)
  {
    String lowerBound = element.getAttributeNS(null, "lowerBound");
    if (!"".equals(lowerBound))
    {
      eTypedElement.setLowerBound(Integer.parseInt(lowerBound));
    }

    String upperBound = element.getAttributeNS(null, "upperBound");
    if (!"".equals(upperBound))
    {
      eTypedElement.setUpperBound(Integer.parseInt(upperBound));
    }

    if ("false".equals(element.getAttributeNS(null, "unique")))
    {
      eTypedElement.setUnique(false);
    }

    if ("false".equals(element.getAttributeNS(null, "ordered")))
    {
      eTypedElement.setOrdered(false);
    }

    for (Element annotation  : getElements(element, "annotation"))
    {
      EAnnotation eAnnotation = EcoreFactory.eINSTANCE.createEAnnotation();
      if (annotation.hasAttributeNS(null, "source"))
      {
        eAnnotation.setSource(annotation.getAttributeNS(null, "source"));
      }
      for (Element detail : getElements(annotation, "detail"))
      {
        eAnnotation.getDetails().put
          (detail.hasAttributeNS(null, "key") ? detail.getAttributeNS(null, "key") : null,
           getText(detail));
      }
      eTypedElement.getEAnnotations().add(eAnnotation);
    }
  }

  private String getText(Element element)
  {
    StringBuffer text = new StringBuffer();
    for (Node node = element.getFirstChild(); node != null; node = node.getNextSibling())
    {
      switch (node.getNodeType())
      {
        case Node.TEXT_NODE:
        case Node.CDATA_SECTION_NODE:
        {
          text.append(node.getNodeValue());
        }
      }
    }
    return text.toString();
  }

  private List<Element> getElements(Element element, String localName)
  {
    List<Element> result = new ArrayList<Element>();
    for (Node node = element.getFirstChild(); node != null; node = node.getNextSibling())
    {
      if (node.getNodeType() == Node.ELEMENT_NODE)
      {
        Element child = (Element)node;
        if (localName.equals(child.getLocalName()) && child.getNamespaceURI() == null)
        {
          result.add(child);
        }
      }
    }
    return result;
  }

  protected boolean useSortedAttributes()
  {
    return true;
  }

  protected List<XSDAttributeUse> getAttributeUses(XSDComplexTypeDefinition xsdComplexTypeDefinition)
  {
    if (useSortedAttributes())
    {
      return xsdComplexTypeDefinition.getAttributeUses();
    }
    else
    {
      List<XSDAttributeUse> result = new ArrayList<XSDAttributeUse>(xsdComplexTypeDefinition.getAttributeUses());
      reorderAttributeUses(result, xsdComplexTypeDefinition.getAttributeContents());
      return result;
    }
  }

  protected void reorderAttributeUses(List<XSDAttributeUse> attributeUses, List<XSDAttributeGroupContent> attributeContents)
  {
    for (Object attributeContent : attributeContents)
    {
      if (attributeContent instanceof XSDAttributeUse)
      {
        int index = attributeUses.indexOf(attributeContent);
        if (index != -1)
        {
          attributeUses.remove(index);
          attributeUses.add((XSDAttributeUse)attributeContent);
        }
      }
      else
      {
        reorderAttributeUses(attributeUses, ((XSDAttributeGroupDefinition)attributeContent).getContents());
      }
    }
  }

  protected final List<String> ANY_NAMESPACE_WILDCARD = Arrays.asList(new String [] { "##any" });
  protected final List<String> NOT_NULL_WILDCARD = Arrays.asList(new String [] { "!##" });
  protected List<String> getWildcards(XSDWildcard xsdWildcard)
  {
    switch (xsdWildcard.getNamespaceConstraintCategory().getValue())
    {
      case XSDNamespaceConstraintCategory.ANY:
      {
        return ANY_NAMESPACE_WILDCARD;
      }
      case XSDNamespaceConstraintCategory.NOT:
      {
        String targetNamespace = null;
        XSDSchema containingXSDSchema = xsdWildcard.getSchema();
        if (containingXSDSchema != null)
        {
          targetNamespace = containingXSDSchema.getTargetNamespace();
        }
        return targetNamespace == null ? NOT_NULL_WILDCARD : Collections.singletonList("!##" + targetNamespace);
      }
      case XSDNamespaceConstraintCategory.SET:
      {
        return xsdWildcard.getNamespaceConstraint();
      }
      default:
      {
        throw
          new UnsupportedOperationException
            ("Unknown XSDNamespaceConstraintCategory: " + xsdWildcard.getNamespaceConstraintCategory().getName());
      }
    }
  }

  protected EStructuralFeature createFeature(EClass eClass, String name, EClassifier type, XSDComponent xsdComponent)
  {
    return createFeature(eClass, name, type, xsdComponent, 0, 1);
  }

  protected EStructuralFeature createFeature
    (EClass eClass, String name, EClassifier type, XSDComponent xsdComponent, int minOccurs, int maxOccurs)
  {
    if (xsdComponent != null)
    {
      XSDSchema containingXSDSchema = xsdComponent.getSchema();
      if (containingXSDSchema != null && !xsdSchemas.contains(containingXSDSchema))
      {
        xsdSchemas.add(containingXSDSchema);
        addInput(containingXSDSchema);
        validate(containingXSDSchema);
      }
    }
    else if (extendedMetaData.getContentKind(eClass) == ExtendedMetaData.MIXED_CONTENT)
    {
      if (type == EcorePackage.Literals.EFEATURE_MAP_ENTRY)
      {
        EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
        setAnnotations(eAttribute, xsdComponent);
        eAttribute.setName(Character.toLowerCase(name.charAt(0)) + name.substring(1));
        if (maxOccurs != 1)
        {
          eAttribute.setUnique(false);
        }
        eAttribute.setEType(type);
        eAttribute.setLowerBound(minOccurs);
        eAttribute.setUpperBound(maxOccurs);
        eClass.getEStructuralFeatures().add(eAttribute);
        extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ELEMENT_WILDCARD_FEATURE);
        extendedMetaData.setName(eAttribute, ":" + eAttribute.getName());
        return eAttribute;
      }
      else
      {
        EReference eReference = EcoreFactory.eINSTANCE.createEReference();
        setAnnotations(eReference, xsdComponent);
        eReference.setName(name);
        eReference.setEType(EcorePackage.Literals.ESTRING_TO_STRING_MAP_ENTRY);
        eReference.setLowerBound(0);
        eReference.setUpperBound(-1);
        eReference.setContainment(true);
        eReference.setResolveProxies(false);
        eReference.setTransient(true);
        eClass.getEStructuralFeatures().add(eReference);
        extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.ATTRIBUTE_FEATURE);
        return eReference;
      }
    }

    if (type instanceof EClass)
    {
      EReference eReference = EcoreFactory.eINSTANCE.createEReference();
      setAnnotations(eReference, xsdComponent);
      eReference.setName(Character.toLowerCase(name.charAt(0)) + name.substring(1));
      eReference.setEType(type);
      eReference.setLowerBound(minOccurs);
      eReference.setUpperBound(maxOccurs);

      eClass.getEStructuralFeatures().add(eReference);
      if (xsdComponent == null || xsdComponent instanceof XSDSimpleTypeDefinition)
      {
        extendedMetaData.setName(eReference, ":" + eClass.getEAllStructuralFeatures().indexOf(eReference));
        extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.SIMPLE_FEATURE);
        eReference.setResolveProxies(!isLocalReferenceType((XSDSimpleTypeDefinition)xsdComponent));
      }
      else
      {
        map(xsdComponent, eReference);
        if (xsdComponent instanceof XSDParticle)
        {
          eReference.setContainment(true);
          eReference.setResolveProxies(false);

          XSDParticle xsdParticle = (XSDParticle)xsdComponent;

          XSDTerm xsdTerm = ((XSDParticle)xsdComponent).getTerm();
          if (xsdTerm instanceof XSDElementDeclaration)
          {
            XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdTerm;
            extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.ELEMENT_FEATURE);
            extendedMetaData.setName(eReference, xsdElementDeclaration.getName());
            extendedMetaData.setNamespace(eReference, xsdElementDeclaration.getTargetNamespace());

            XSDTypeDefinition xsdType = getEffectiveTypeDefinition(xsdParticle, xsdElementDeclaration);
            if (xsdType instanceof XSDSimpleTypeDefinition)
            {
              eReference.setContainment(false);
              eReference.setResolveProxies(!isLocalReferenceType((XSDSimpleTypeDefinition)xsdType));
            }

            if (maxOccurs == 1 && xsdElementDeclaration.isNillable())
            {
              eReference.setUnsettable(true);
            }

            if (xsdElementDeclaration.isAbstract())
            {
              eReference.setChangeable(false);
            }

            String opposite = getEcoreAttribute(xsdParticle, "opposite");
            if (opposite != null)
            {
              eReferenceToOppositeNameMap.put(eReference, opposite);
            }

            String key = getEcoreAttribute(xsdParticle, "keys");
            if (key != null)
            {
              List<String> keyNames = new ArrayList<String>();
              for (StringTokenizer stringTokenizer = new StringTokenizer(key); stringTokenizer.hasMoreTokens(); )
              {
                keyNames.add(stringTokenizer.nextToken());
              }
              eReferenceToKeyNamesMap.put(eReference, keyNames);
            }
          }
          else if (xsdTerm instanceof XSDWildcard)
          {
            // EATM shouldn't happen
            XSDWildcard xsdWildcard = (XSDWildcard)xsdTerm;
            extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.ELEMENT_WILDCARD_FEATURE);
            extendedMetaData.setWildcards(eReference, getWildcards(xsdWildcard));
            extendedMetaData.setProcessingKind(eReference, xsdWildcard.getProcessContents().getValue() + 1);
            extendedMetaData.setName(eReference, ":" + eClass.getEAllStructuralFeatures().indexOf(eReference));
          }
          else
          {
            extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.GROUP_FEATURE);
            extendedMetaData.setName(eReference, ":" + eClass.getEAllStructuralFeatures().indexOf(eReference));
          }
        }
        else if (xsdComponent instanceof XSDElementDeclaration)
        {
          XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdComponent;
          eReference.setContainment(true);
          eReference.setResolveProxies(false);
          extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.ELEMENT_FEATURE);
          extendedMetaData.setName(eReference, xsdElementDeclaration.getName());
          extendedMetaData.setNamespace(eReference, xsdElementDeclaration.getTargetNamespace());

          XSDElementDeclaration substitutionGroupAffiliation = xsdElementDeclaration.getSubstitutionGroupAffiliation();
          if (substitutionGroupAffiliation != null)
          {
            EStructuralFeature affiliation = getEStructuralFeature(substitutionGroupAffiliation);
            extendedMetaData.setAffiliation(eReference, affiliation);
          }
          XSDTypeDefinition xsdType = getEffectiveTypeDefinition(null, xsdElementDeclaration);
          if (xsdType instanceof XSDSimpleTypeDefinition)
          {
            eReference.setResolveProxies(!isLocalReferenceType((XSDSimpleTypeDefinition)xsdType));
          }

          if (maxOccurs == 1 && xsdElementDeclaration.isNillable())
          {
            eReference.setUnsettable(true);
          }

          if (xsdElementDeclaration.isAbstract())
          {
            eReference.setChangeable(false);
          }
        }
        else if (xsdComponent instanceof XSDAttributeUse)
        {
          String opposite = getEcoreAttribute(xsdComponent, "opposite");
          if (opposite != null)
          {
            eReferenceToOppositeNameMap.put(eReference, opposite);
          }

          String key = getEcoreAttribute(xsdComponent, "keys");
          if (key != null)
          {
            List<String> keyNames = new ArrayList<String>();
            for (StringTokenizer stringTokenizer = new StringTokenizer(key); stringTokenizer.hasMoreTokens(); )
            {
              keyNames.add(stringTokenizer.nextToken());
            }
              eReferenceToKeyNamesMap.put(eReference, keyNames);
          }

          XSDAttributeUse xsdAttributeUse = (XSDAttributeUse)xsdComponent;
          XSDAttributeDeclaration xsdAttributeDeclaration = xsdAttributeUse.getAttributeDeclaration();
          extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.ATTRIBUTE_FEATURE);
          extendedMetaData.setName(eReference, xsdAttributeDeclaration.getName());
          extendedMetaData.setNamespace(eReference, xsdAttributeDeclaration.getTargetNamespace());
          eReference.setResolveProxies
            (!isLocalReferenceType((XSDSimpleTypeDefinition)getEffectiveTypeDefinition(xsdAttributeUse, xsdAttributeDeclaration)));
        }
        else if (xsdComponent instanceof XSDAttributeDeclaration)
        {
          XSDAttributeDeclaration xsdAttributeDeclaration = (XSDAttributeDeclaration)xsdComponent;
          extendedMetaData.setFeatureKind(eReference, ExtendedMetaData.ATTRIBUTE_FEATURE);
          extendedMetaData.setName(eReference, xsdAttributeDeclaration.getName());
          extendedMetaData.setNamespace(eReference, xsdAttributeDeclaration.getTargetNamespace());
          eReference.setResolveProxies
            (!isLocalReferenceType((XSDSimpleTypeDefinition)getEffectiveTypeDefinition(null, xsdAttributeDeclaration)));
        }
      }

      return eReference;
    }
    else
    {
      EAttribute eAttribute = EcoreFactory.eINSTANCE.createEAttribute();
      setAnnotations(eAttribute, xsdComponent);
      eAttribute.setName(Character.toLowerCase(name.charAt(0)) + name.substring(1));
      if (maxOccurs != 1)
      {
        eAttribute.setUnique(false);
      }
      eAttribute.setEType(type);
      eAttribute.setLowerBound(minOccurs);
      eAttribute.setUpperBound(maxOccurs);
      eClass.getEStructuralFeatures().add(eAttribute);

      if (xsdComponent == null || xsdComponent instanceof XSDSimpleTypeDefinition)
      {
        extendedMetaData.setName(eAttribute, ":" + eClass.getEAllStructuralFeatures().indexOf(eAttribute));
        extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.SIMPLE_FEATURE);
      }
      else
      {
        map(xsdComponent, eAttribute);
        if (xsdComponent instanceof XSDAttributeUse)
        {
          XSDAttributeUse xsdAttributeUse = (XSDAttributeUse)xsdComponent;
          XSDAttributeDeclaration xsdAttributeDeclaration = xsdAttributeUse.getAttributeDeclaration();
          extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ATTRIBUTE_FEATURE);
          extendedMetaData.setName(eAttribute, xsdAttributeDeclaration.getName());
          extendedMetaData.setNamespace(eAttribute, xsdAttributeDeclaration.getTargetNamespace());

          String defaultValue = getEcoreAttribute(xsdComponent, "default");
          if (defaultValue == null)
          {
            defaultValue = xsdAttributeUse.getLexicalValue();
          }
          eAttribute.setDefaultValueLiteral(defaultValue);
          initialize(eAttribute, (XSDSimpleTypeDefinition)getEffectiveTypeDefinition(xsdAttributeUse, xsdAttributeDeclaration));
        }
        else if (xsdComponent instanceof XSDAttributeDeclaration)
        {
          XSDAttributeDeclaration xsdAttributeDeclaration = (XSDAttributeDeclaration)xsdComponent;
          extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ATTRIBUTE_FEATURE);
          extendedMetaData.setName(eAttribute, xsdAttributeDeclaration.getName());
          extendedMetaData.setNamespace(eAttribute, xsdAttributeDeclaration.getTargetNamespace());

          eAttribute.setDefaultValueLiteral(xsdAttributeDeclaration.getLexicalValue());
          initialize(eAttribute, (XSDSimpleTypeDefinition)getEffectiveTypeDefinition(null, xsdAttributeDeclaration));
        }
        else if (xsdComponent instanceof XSDParticle)
        {
          XSDTerm xsdTerm = ((XSDParticle)xsdComponent).getTerm();
          if (xsdTerm instanceof XSDElementDeclaration)
          {
            XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdTerm;
            extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ELEMENT_FEATURE);
            extendedMetaData.setName(eAttribute, xsdElementDeclaration.getName());
            extendedMetaData.setNamespace(eAttribute, xsdElementDeclaration.getTargetNamespace());

            eAttribute.setDefaultValueLiteral(xsdElementDeclaration.getLexicalValue());
            XSDTypeDefinition xsdType = getEffectiveTypeDefinition(xsdComponent, xsdElementDeclaration);
            if (xsdType instanceof XSDSimpleTypeDefinition)
            {
              initialize(eAttribute, (XSDSimpleTypeDefinition)xsdType);
            }

            if (xsdElementDeclaration.isNillable())
            {
              if (!canSupportNull((EDataType)type))
              {
                eAttribute.setEType(type = typeToTypeObjectMap.get(type));
              }
              if (maxOccurs == 1)
              {
                eAttribute.setUnsettable(true);
              }
            }

            if (xsdElementDeclaration.isAbstract())
            {
              eAttribute.setChangeable(false);
            }
          }
          else if (xsdTerm instanceof XSDWildcard)
          {
            XSDWildcard xsdWildcard = (XSDWildcard)xsdTerm;
            extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ELEMENT_WILDCARD_FEATURE);
            extendedMetaData.setWildcards(eAttribute, getWildcards(xsdWildcard));
            extendedMetaData.setProcessingKind(eAttribute, xsdWildcard.getProcessContents().getValue() + 1);
            extendedMetaData.setName(eAttribute, ":" + eClass.getEAllStructuralFeatures().indexOf(eAttribute));
          }
          else
          {
            extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.GROUP_FEATURE);
          }
        }
        else if (xsdComponent instanceof XSDWildcard)
        {
          XSDWildcard xsdWildcard = (XSDWildcard)xsdComponent;
          extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ATTRIBUTE_WILDCARD_FEATURE);
          extendedMetaData.setWildcards(eAttribute, getWildcards(xsdWildcard));
          extendedMetaData.setProcessingKind(eAttribute, xsdWildcard.getProcessContents().getValue() + 1);
          extendedMetaData.setName(eAttribute, ":" + eClass.getEAllStructuralFeatures().indexOf(eAttribute));
        }
        else if (xsdComponent instanceof XSDElementDeclaration)
        {
          XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdComponent;
          extendedMetaData.setFeatureKind(eAttribute, ExtendedMetaData.ELEMENT_FEATURE);
          extendedMetaData.setName(eAttribute, xsdElementDeclaration.getName());
          extendedMetaData.setNamespace(eAttribute, xsdElementDeclaration.getTargetNamespace());

          eAttribute.setDefaultValueLiteral(xsdElementDeclaration.getLexicalValue());
          XSDTypeDefinition xsdType = getEffectiveTypeDefinition(null, xsdElementDeclaration);
          if (xsdType instanceof XSDSimpleTypeDefinition)
          {
            initialize(eAttribute, (XSDSimpleTypeDefinition)xsdType);
          }

          XSDElementDeclaration substitutionGroupAffiliation = xsdElementDeclaration.getSubstitutionGroupAffiliation();
          if (substitutionGroupAffiliation != null)
          {
            EStructuralFeature affiliation = getEStructuralFeature(substitutionGroupAffiliation);
            extendedMetaData.setAffiliation(eAttribute, affiliation);
          }

          if (xsdElementDeclaration.isNillable() && !canSupportNull((EDataType)type))
          {
            eAttribute.setEType(type = typeToTypeObjectMap.get(type));
            if (maxOccurs == 1)
            {
              eAttribute.setUnsettable(true);
            }
          }

          if (xsdElementDeclaration.isAbstract())
          {
            eAttribute.setChangeable(false);
          }
        }
      }

      if (maxOccurs == 1 && (type.getDefaultValue() != null || eAttribute.getDefaultValueLiteral() != null))
      {
        eAttribute.setUnsettable(true);
      }

      return eAttribute;
    }
  }

  protected XSDTypeDefinition getEffectiveTypeDefinition(XSDComponent xsdComponent, XSDFeature xsdFeature)
  {
    return xsdFeature == null ? ((XSDComplexTypeDefinition)xsdComponent.eContainer()).getSimpleType() : xsdFeature.getType();
  }

  protected EStructuralFeature createFeature
   (EClass eClass, XSDElementDeclaration xsdElementDeclaration, String name, XSDComponent xsdComponent, int minOccurs, int maxOccurs)
  {
    XSDTypeDefinition elementTypeDefinition = getEffectiveTypeDefinition(xsdComponent, xsdElementDeclaration);
    EClassifier eClassifier = getEClassifier(elementTypeDefinition);

    EGenericType referenceType = getGenericType(xsdComponent, xsdComponent.getElement(), eClass, getEcoreAttribute(xsdComponent, "reference"));
    if (referenceType == null)
    {
      referenceType = getGenericType(xsdElementDeclaration, xsdElementDeclaration.getElement(), eClass, getEcoreAttribute(xsdElementDeclaration, "reference"));
    }
    if (referenceType != null && referenceType.getERawType() != null)
    {
      EClassifier referenceClassifier = referenceType.getERawType();
      if (referenceType.getETypeParameter() != null && referenceClassifier instanceof EDataType)
      {
        referenceClassifier = EcorePackage.Literals.EOBJECT;
      }
      boolean needsHolder = false;
      if (elementTypeDefinition instanceof XSDSimpleTypeDefinition)
      {
        XSDSimpleTypeDefinition xsdSimpleTypeDefinition = (XSDSimpleTypeDefinition)elementTypeDefinition;
        if (xsdSimpleTypeDefinition.getVariety() == XSDVariety.LIST_LITERAL)
        {
          needsHolder = true;

          EPackage holderPackage = getEPackage(xsdElementDeclaration);
          String holderName = xsdElementDeclaration.getName() + ":holder";
          EClass holderClass = (EClass)extendedMetaData.getType(holderPackage, holderName);
          if (holderClass == null)
          {
            // Create a holder class like an anonymous complex type.
            //
            holderClass = EcoreFactory.eINSTANCE.createEClass();
            setAnnotations(holderClass, xsdElementDeclaration);
            holderClass.setName(validName(holderName, true));
            extendedMetaData.setName(holderClass, holderName);
            extendedMetaData.setContentKind(holderClass, ExtendedMetaData.SIMPLE_CONTENT);

            addToSortedList(holderPackage.getEClassifiers(), holderClass);

            EReference holderReference =
              (EReference)createFeature
                (holderClass,
                 "value",
                 referenceClassifier,
                 null,
                 0,
                 -1);

            // Replace the raw type with the generic type.
            //
            holderReference.setEGenericType(referenceType);
            holderReference.setResolveProxies(!isLocalReferenceType(xsdSimpleTypeDefinition));
          }
          referenceClassifier = holderClass;
        }
      }
      EStructuralFeature result =
        createFeature
          (eClass,
           name,
           referenceClassifier,
           xsdComponent,
           minOccurs,
           maxOccurs);
      ((EReference)result).setContainment(needsHolder);
      if (needsHolder)
      {
        ((EReference)result).setUnsettable(false);
        ((EReference)result).setResolveProxies(false);
      }
      else
      {
        // Replace the raw type with the generic type.
        //
        result.setEGenericType(referenceType);
      }
      initialize(result, xsdElementDeclaration, xsdComponent);
      return result;
    }
    else
    {
      EStructuralFeature result =
        createFeature
          (eClass,
           name,
           eClassifier,
           xsdComponent,
           minOccurs,
           maxOccurs);
      initialize(result, xsdElementDeclaration, xsdComponent);
      return result;
    }
  }

  protected EStructuralFeature createFeature
    (EClass eClass, XSDAttributeDeclaration xsdAttributeDeclaration, String name, XSDComponent xsdComponent, boolean isRequired)
  {
    XSDSimpleTypeDefinition attributeTypeDefinition = (XSDSimpleTypeDefinition)getEffectiveTypeDefinition(xsdComponent, xsdAttributeDeclaration);
    if (attributeTypeDefinition == null)
    {
      attributeTypeDefinition = xsdComponent.getSchema().getSchemaForSchema().resolveSimpleTypeDefinition("anySimpleType");
    }

    EGenericType referenceType = getGenericType(xsdComponent, xsdComponent.getElement(), eClass, getEcoreAttribute(xsdComponent, "reference"));
    if (referenceType == null && xsdAttributeDeclaration != null)
    {
      referenceType = getGenericType(xsdAttributeDeclaration, xsdAttributeDeclaration.getElement(), eClass, getEcoreAttribute(xsdAttributeDeclaration, "reference"));
    }
    if (referenceType != null && referenceType.getERawType() != null)
    {
      int lowerBound = isRequired ? 1 : 0;
      int upperBound = 1;
      if (attributeTypeDefinition.getVariety() == XSDVariety.LIST_LITERAL)
      {
        XSDLengthFacet xsdLengthFacet = attributeTypeDefinition.getEffectiveLengthFacet();
        if (isRequired)
        {
          if (xsdLengthFacet != null)
          {
            lowerBound = xsdLengthFacet.getValue();
          }
          else
          {
            XSDMinLengthFacet xsdMinLengthFacet = attributeTypeDefinition.getEffectiveMinLengthFacet();
            if (xsdMinLengthFacet != null)
            {
              lowerBound = xsdMinLengthFacet.getValue();
            }
          }
        }
        if (xsdLengthFacet != null)
        {
          upperBound = xsdLengthFacet.getValue();
        }
        else
        {
          XSDMaxLengthFacet xsdMaxLengthFacet = attributeTypeDefinition.getEffectiveMaxLengthFacet();
          if (xsdMaxLengthFacet != null)
          {
            upperBound = xsdMaxLengthFacet.getValue();
          }
          else
          {
            upperBound = -1;
          }
        }
      }

      EClassifier referenceClassifier = referenceType.getERawType();
      if (referenceType.getETypeParameter() != null && referenceClassifier instanceof EDataType)
      {
        referenceClassifier = EcorePackage.Literals.EOBJECT;
      }
      EStructuralFeature result =
        createFeature
          (eClass,
           name,
           referenceClassifier,
           xsdComponent,
           lowerBound,
           upperBound);
      result.setEGenericType(referenceType);
      initialize(result, xsdAttributeDeclaration, xsdComponent);
      return result;
    }
    else
    {
      boolean isMany =
          attributeTypeDefinition.getVariety() == XSDVariety.LIST_LITERAL &&
          xsdComponent instanceof XSDAttributeUse &&
          "true".equals(getEcoreAttribute(xsdComponent, "many"));
      if (isMany)
      {
        EDataType eDataType = getEDataType(attributeTypeDefinition.getItemTypeDefinition());
        XSDLengthFacet xsdLengthFacet = attributeTypeDefinition.getEffectiveLengthFacet();
        int lowerBound = isRequired ? 1 : 0;
        int upperBound = -1;
        if (isRequired)
        {
          if (xsdLengthFacet != null)
          {
            lowerBound = xsdLengthFacet.getValue();
          }
          else
          {
            XSDMinLengthFacet xsdMinLengthFacet = attributeTypeDefinition.getEffectiveMinLengthFacet();
            if (xsdMinLengthFacet != null)
            {
              lowerBound = xsdMinLengthFacet.getValue();
            }
          }
        }
        if (xsdLengthFacet != null)
        {
          upperBound = xsdLengthFacet.getValue();
        }
        else
        {
          XSDMaxLengthFacet xsdMaxLengthFacet = attributeTypeDefinition.getEffectiveMaxLengthFacet();
          if (xsdMaxLengthFacet != null)
          {
            upperBound = xsdMaxLengthFacet.getValue();
          }
        }
        EStructuralFeature result =
          createFeature
            (eClass,
             name,
             eDataType,
             xsdComponent,
             lowerBound,
             upperBound);
        initialize(result, xsdAttributeDeclaration, xsdComponent);
        return result;
      }
      else
      {
        EDataType eDataType = getEDataType(attributeTypeDefinition);
        EStructuralFeature result =
          createFeature
            (eClass,
             name,
             eDataType,
             xsdComponent,
             isRequired ? 1 : 0,
             1);
        initialize(result, xsdAttributeDeclaration, xsdComponent);
        return result;
      }
    }
  }

  protected void initialize(EStructuralFeature eStructuralFeature, XSDFeature xsdFeature, XSDComponent xsdComponent)
  {
    EGenericType eGenericType = getGenericType(xsdComponent, xsdComponent.getElement(), eStructuralFeature, getEcoreAttribute(xsdComponent, "type"));
    if (eGenericType == null && xsdFeature != null)
    {
      eGenericType = getGenericType(xsdFeature, xsdFeature.getElement(), eStructuralFeature, getEcoreAttribute(xsdFeature, "type"));
    }
    if (eGenericType != null)
    {
      eStructuralFeature.setEGenericType(eGenericType);
    }

    String unsettable = getEcoreAttribute(xsdComponent, xsdFeature, "unsettable");
    if (unsettable != null)
    {
      eStructuralFeature.setUnsettable("true".equals(unsettable));
    }

    String ordered = getEcoreAttribute(xsdComponent, xsdFeature, "ordered");
    if (ordered != null)
    {
      eStructuralFeature.setOrdered("true".equals(ordered));
    }

    String unique = getEcoreAttribute(xsdComponent, xsdFeature, "unique");
    if (unique != null)
    {
      eStructuralFeature.setUnique("true".equals(unique));
    }

    String changeable = getEcoreAttribute(xsdComponent, xsdFeature, "changeable");
    if (changeable != null)
    {
      eStructuralFeature.setChangeable("true".equals(changeable));
    }

    String derived = getEcoreAttribute(xsdComponent, xsdFeature, "derived");
    if (derived != null)
    {
      eStructuralFeature.setDerived("true".equals(derived));
    }

    String isTransient = getEcoreAttribute(xsdComponent, xsdFeature, "transient");
    if (isTransient != null)
    {
      eStructuralFeature.setTransient("true".equals(isTransient));
    }

    String isVolatile = getEcoreAttribute(xsdComponent, xsdFeature, "volatile");
    if (isVolatile != null)
    {
      eStructuralFeature.setVolatile("true".equals(isVolatile));
    }

    String lowerBound = getEcoreAttribute(xsdComponent, xsdFeature, "lowerBound");
    if (lowerBound != null)
    {
      eStructuralFeature.setLowerBound(Integer.parseInt(lowerBound));
    }

    String upperBound = getEcoreAttribute(xsdComponent, xsdFeature, "upperBound");
    if (upperBound != null)
    {
      eStructuralFeature.setUpperBound(Integer.parseInt(upperBound));
    }

    String resolveProxies = getEcoreAttribute(xsdComponent, xsdFeature, "resolveProxies");
    if (resolveProxies != null && eStructuralFeature instanceof EReference)
    {
      ((EReference)eStructuralFeature).setResolveProxies("true".equals(resolveProxies));
    }

    String isSuppressedGetVisibility = getEcoreAttribute(xsdComponent, xsdFeature, "suppressedGetVisibility");
    if (isSuppressedGetVisibility != null)
    {
      EcoreUtil.setSuppressedVisibility(eStructuralFeature, EcoreUtil.GET, "true".equals(isSuppressedGetVisibility));
    }

    String isSuppressedSetVisibility = getEcoreAttribute(xsdComponent, xsdFeature, "suppressedSetVisibility");
    if (isSuppressedSetVisibility != null)
    {
      EcoreUtil.setSuppressedVisibility(eStructuralFeature, EcoreUtil.SET, "true".equals(isSuppressedSetVisibility));
    }

    String isSuppressedIsSetVisibility = getEcoreAttribute(xsdComponent, xsdFeature, "suppressedIsSetVisibility");
    if (isSuppressedIsSetVisibility != null)
    {
      EcoreUtil.setSuppressedVisibility(eStructuralFeature, EcoreUtil.IS_SET, "true".equals(isSuppressedIsSetVisibility));
    }

    String isSuppressedUnsetVisibility = getEcoreAttribute(xsdComponent, xsdFeature, "suppressedUnsetVisibility");
    if (isSuppressedUnsetVisibility != null)
    {
      EcoreUtil.setSuppressedVisibility(eStructuralFeature, EcoreUtil.UNSET, "true".equals(isSuppressedUnsetVisibility));
    }

    String isID = getEcoreAttribute(xsdComponent, xsdFeature, "id");
    if (isID != null && eStructuralFeature instanceof EAttribute)
    {
      ((EAttribute)eStructuralFeature).setID("true".equals(isID));
    }
  }

  protected void initialize(EAttribute eAttribute, XSDSimpleTypeDefinition xsdSimpleTypeDefinition)
  {
    if (XSDConstants.isOrIsDerivedFromID(xsdSimpleTypeDefinition))
    {
      eAttribute.setID(true);
    }

    // If there is no default value but the type has enumeration facets and the value is a primitive...
    //
    if (!eAttribute.isMany() &&
          eAttribute.getDefaultValueLiteral() == null &&
          xsdSimpleTypeDefinition != null &&
          xsdSimpleTypeDefinition.getEffectiveEnumerationFacet() != null &&
          eAttribute.getEType().getDefaultValue() != null &&
          !(eAttribute.getEType() instanceof EEnum))
    {
      // Set the default to the first enumeration's value.
      //
      eAttribute.setDefaultValueLiteral
        (xsdSimpleTypeDefinition.getNormalizedLiteral
          ((xsdSimpleTypeDefinition.
             getEffectiveEnumerationFacet().
             getSimpleTypeDefinition().
             getEnumerationFacets().
             get(0)).getLexicalValue()));
    }
  }

  // 51210
  /*
  public EAnnotation computeParticleConstraints(EClass eClass, Map particleMap, XSDParticle xsdParticle)
  {
    EAnnotation eAnnotation = EcoreFactory.eINSTANCE.createEAnnotation();

    if (xsdParticle.getMinOccurs() != 1)
    {
      eAnnotation.getDetails().put("minOccurs", Integer.toString(xsdParticle.getMinOccurs()));
    }

    if (xsdParticle.getMaxOccurs() != 1)
    {
      eAnnotation.getDetails().put("maxOccurs", Integer.toString(xsdParticle.getMaxOccurs()));
    }

    XSDTerm xsdTerm = xsdParticle.getTerm();
    if (xsdTerm instanceof XSDModelGroup)
    {
      XSDModelGroup xsdModelGroup =(XSDModelGroup)xsdTerm;
      eAnnotation.setSource(xsdModelGroup.getCompositor().toString());
      for (Iterator i = xsdModelGroup.getParticles().iterator(); i.hasNext(); )
      {
        XSDParticle childXSDParticle = (XSDParticle)i.next();
        EAnnotation childEAnnotation = computeParticleConstraints(eClass, particleMap, childXSDParticle);
        eAnnotation.getContents().add(childEAnnotation);
      }
    }
    else
    {
      EStructuralFeature eStructuralFeature = (EStructuralFeature)particleMap.get(xsdParticle);
      if (eStructuralFeature == null)
      {
        if (xsdTerm instanceof XSDElementDeclaration)
        {
          XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdTerm;
          eStructuralFeature = extendedMetaData.getElement(eClass, xsdElementDeclaration.getTargetNamespace(), xsdElementDeclaration.getName());
          if (eStructuralFeature != null && xsdElementDeclaration.getTypeDefinition() != null)
          {
            EClassifier type = getEClassifier(xsdElementDeclaration.getTypeDefinition());
            if (type != eStructuralFeature.getEType() && type != null)
            {
              eAnnotation.getReferences().add(type);
            }
          }
        }
        else
        {
          XSDWildcard xsdWildcard = (XSDWildcard)xsdTerm;
          List wildcards = getWildcards(xsdWildcard);
          for (Iterator i = eClass.getEAllStructuralFeatures().iterator(); i.hasNext(); )
          {
            EStructuralFeature feature = (EStructuralFeature)i.next();
            List featureWildcards = extendedMetaData.getWildcards(feature);
            if (!featureWildcards.isEmpty() && BasicExtendedMetaData.isSubset(wildcards, featureWildcards) && !particleMap.containsKey(xsdParticle))
            {
              particleMap.put(xsdParticle, feature);
              eStructuralFeature = feature;
              break;
            }
          }
        }
      }
      if (eStructuralFeature != null)
      {
        eAnnotation.getReferences().add(0, eStructuralFeature);
      }
    }
    return eAnnotation;
  }
  */

  public static class EffectiveOccurrence
  {
    public EffectiveOccurrence(int minOccurs, int maxOccurs, XSDParticle xsdParticle, XSDModelGroup xsdModelGroup)
    {
      this.minOccurs = minOccurs;
      this.maxOccurs = maxOccurs;
      this.xsdParticle = xsdParticle;
      this.xsdModelGroup = xsdModelGroup;
    }

    public int minOccurs;
    public int maxOccurs;
    public XSDParticle xsdParticle;
    public XSDModelGroup xsdModelGroup;
  }

  public List<EffectiveOccurrence> collectParticles(XSDParticle xsdParticle)
  {
    List<EffectiveOccurrence> result = new ArrayList<EffectiveOccurrence>();
    collectParticlesHelper(result, xsdParticle, 1, 1, null);
    return result;
  }

  public void collectParticlesHelper(List<EffectiveOccurrence> result, XSDParticle xsdParticle, int minOccurs, int maxOccurs, XSDModelGroup target)
  {
    int particleMaxOccurs = xsdParticle.getMaxOccurs();
    int effectiveMinOccurs = minOccurs * xsdParticle.getMinOccurs();
    int effectiveMaxOccurs =  maxOccurs == -1 || particleMaxOccurs == -1 ? -1 : maxOccurs * particleMaxOccurs;

    XSDTerm xsdTerm = xsdParticle.getTerm();
    if (xsdTerm instanceof XSDModelGroup)
    {
      XSDModelGroup xsdModelGroup = (XSDModelGroup)xsdTerm;
      List<XSDParticle> particles = xsdModelGroup.getParticles();
      if (particles.size() == 0 ||
            xsdModelGroup.getContainer() instanceof XSDModelGroupDefinition &&
            ((XSDModelGroupDefinition)xsdModelGroup.getContainer()).isCircular())
      {
        return;
      }
      else 
      {
        boolean isIgnored =
          effectiveMaxOccurs == 1 ||
          particles.size() == 1 && particles.get(0).getTerm() instanceof XSDModelGroup;

        String featureMapName = getEcoreAttribute(xsdParticle, "name");
        if (featureMapName == null)
        {
          featureMapName = getEcoreAttribute(xsdParticle, "featureMap");
          if (featureMapName == null)
          {
            featureMapName = getEcoreAttribute(xsdTerm, "name");
            if (featureMapName == null)
            {
              featureMapName = getEcoreAttribute(xsdTerm, "featureMap");
            }
          }
        }

        if ("".equals(featureMapName))
        {
          isIgnored = true;
        }
        else if (featureMapName != null)
        {
          isIgnored = false;
        }
        else if (target != null)
        {
          isIgnored = true;
        }

        if (!isIgnored)
        {
          EffectiveOccurrence effectiveOccurrence = new EffectiveOccurrence(effectiveMinOccurs, effectiveMaxOccurs, xsdParticle, null);
          result.add(effectiveOccurrence);
          target = xsdModelGroup;
        }

        if (xsdModelGroup.getCompositor() == XSDCompositor.CHOICE_LITERAL)
        {
          effectiveMinOccurs = 0;
        }
        for (XSDParticle childXSDParticle : ((XSDModelGroup)xsdTerm).getParticles())
        {
          collectParticlesHelper(result, childXSDParticle, effectiveMinOccurs, effectiveMaxOccurs, target);
        }
      }
    }
    else
    {
      EffectiveOccurrence effectiveOccurrence = new EffectiveOccurrence(effectiveMinOccurs, effectiveMaxOccurs, xsdParticle, target);
      result.add(effectiveOccurrence);
    }
  }

  protected void fixXMLName(EClassifier eClassifier)
  {
    EDataType objectType = (EDataType)typeToTypeObjectMap.get(eClassifier);
    if (objectType != null)
    {
      extendedMetaData.setName(objectType, extendedMetaData.getName(eClassifier) + ":Object");
      extendedMetaData.setBaseType(objectType, (EDataType)eClassifier);
    }

    if (eClassifier instanceof EDataType)
    {
      EDataType eDataType = (EDataType)eClassifier;
      EDataType baseType = extendedMetaData.getBaseType(eDataType);
      if (baseType != null && extendedMetaData.getName(baseType).endsWith("_._base"))
      {
        extendedMetaData.setName(baseType, extendedMetaData.getName(eClassifier) + "_._base");
        extendedMetaData.setBaseType(eDataType, baseType);
        fixXMLName(baseType);
      }

      EDataType itemType = extendedMetaData.getItemType(eDataType);
      if (itemType != null && extendedMetaData.getName(itemType).endsWith("_._item"))
      {
        extendedMetaData.setName(itemType, extendedMetaData.getName(eClassifier) + "_._item");
        extendedMetaData.setItemType(eDataType, itemType);
        fixXMLName(itemType);
      }

      List<EDataType> memberTypes = extendedMetaData.getMemberTypes(eDataType);
      if (!memberTypes.isEmpty())
      {
        for (ListIterator<EDataType> i = memberTypes.listIterator(); i.hasNext(); )
        {
          EDataType memberType = i.next();
          if (extendedMetaData.getName(memberType).endsWith("_._member_._" + i.previousIndex()))
          {
            extendedMetaData.setName(memberType, extendedMetaData.getName(eClassifier) + "_._member_._" + i.previousIndex());
            fixXMLName(memberType);
          }
        }
        extendedMetaData.setMemberTypes(eDataType, memberTypes);
      }
    }
    else
    {
      EStructuralFeature simpleFeature = extendedMetaData.getSimpleFeature((EClass)eClassifier);
      if (simpleFeature != null && extendedMetaData.getName(simpleFeature.getEType()).endsWith("_._base"))
      {
        EDataType baseType = (EDataType)simpleFeature.getEType();
        extendedMetaData.setName(baseType, extendedMetaData.getName(eClassifier) + "_._base");
        fixXMLName(baseType);
      }
    }
  }

  protected void resolveNameConflicts()
  {
    for (EPackage ePackage : targetNamespaceToEPackageMap.values())
    {
      Map<String, EClassifier> eClassifierMap = new HashMap<String, EClassifier>();
      for (EClassifier eClassifier : ePackage.getEClassifiers())
      {
        EClassifier otherEClassifier = eClassifierMap.get(eClassifier.getName().toLowerCase());
        if (otherEClassifier != null)
        {
          resolveNameConflict(eClassifierMap, eClassifier, "");
        }
        eClassifierMap.put(eClassifier.getName().toLowerCase(), eClassifier);

        String xmlName = extendedMetaData.getName(eClassifier);
        otherEClassifier = extendedMetaData.getType(ePackage, xmlName);
        if (otherEClassifier != eClassifier)
        {
          if (xmlName.endsWith("_._type"))
          {
            String baseName = xmlName.substring(0, xmlName.length() - 7);
            int index = 1;
            while (extendedMetaData.getType(ePackage, baseName + "_._" + index + "_._type") != null)
            {
              ++index;
            }
            extendedMetaData.setName(eClassifier, baseName + "_._" + index + "_._type");
            fixXMLName(eClassifier);
          }
        }

        if (eClassifier instanceof EClass)
        {
          Map<String, EStructuralFeature> eFeatureMap = new HashMap<String, EStructuralFeature>();
          for (EStructuralFeature eStructuralFeature : ((EClass)eClassifier).getEAllStructuralFeatures())
          {
            resolveNameConflict(eFeatureMap, eStructuralFeature, "");
            eFeatureMap.put(eStructuralFeature.getName().toLowerCase(), eStructuralFeature);
          }
        }
        else if (eClassifier instanceof EEnum)
        {
          Map<String, EEnumLiteral> eLiteralMap = new HashMap<String, EEnumLiteral>();
          for (EEnumLiteral eEnumLiteral : ((EEnum)eClassifier).getELiterals())
          {
            String literal = eEnumLiteral.getLiteral();
            resolveNameConflict(eLiteralMap, eEnumLiteral, "");
            if (!literal.equals(eEnumLiteral.getLiteral()))
            {
              eEnumLiteral.setLiteral(literal);
            }
            eLiteralMap.put(eEnumLiteral.getName().toLowerCase(), eEnumLiteral);
          }
        }
      }
    }
  }

  protected void resolveNameConflict(Map<String, ? extends ENamedElement> map, ENamedElement eNamedElement, String suffix)
  {
    String name = eNamedElement.getName();
    if (!name.endsWith(suffix))
    {
      name += suffix;
    }
    if (map.containsKey(name.toLowerCase()))
    {
      int index = 0;
      while (map.containsKey(name.toLowerCase() + ++index))
      {
        // Loop
      }
      eNamedElement.setName(name + index);
    }
    else
    {
      eNamedElement.setName(name);
    }
  }

  protected static final Class<?> ecoreResourceFactoryImplClass;
  static
  {
    Class<?> theEcoreResourceFactoryImplClass = null;
    try
    {
      theEcoreResourceFactoryImplClass =
        CommonPlugin.loadClass("org.eclipse.emf.ecore.xmi", "org.eclipse.emf.ecore.xmi.impl.EcoreResourceFactoryImpl");
    }
    catch (Exception exception)
    {
      // Ignore.
    }
    ecoreResourceFactoryImplClass = theEcoreResourceFactoryImplClass;
  }

  protected ResourceSet createResourceSet()
  {
    ResourceSet result = new ResourceSetImpl();
    result.getLoadOptions().put(XSDResourceImpl.XSD_TRACK_LOCATION, Boolean.TRUE);
    Map<String, Object> extensionToFactoryMap =  result.getResourceFactoryRegistry().getExtensionToFactoryMap();
    extensionToFactoryMap.put("wsdl", new XSDResourceFactoryImpl());
    extensionToFactoryMap.put("xsd", new XSDResourceFactoryImpl());
    if (ecoreResourceFactoryImplClass != null)
    {
      try
      {
         extensionToFactoryMap.put("ecore", ecoreResourceFactoryImplClass.newInstance());
      }
      catch (Exception exception)
      {
        XSDPlugin.INSTANCE.log(exception);
      }
    }

    return result;
  }

  public Collection<Resource> generateResources(URI uri)
  {
    return generateResources(Collections.singleton(uri));
  }

  public Collection<Resource> generateResources(Collection<URI> uris)
  {
    ResourceSet resourceSet = createResourceSet();
    for (URI uri : uris)
    {
      Resource resource = resourceSet.getResource(uri, true);
      for (Object object : resource.getContents())
      {
        if (object instanceof XSDSchema)
        {
          generate((XSDSchema)object);
        }
      }
    }

    for (EPackage ePackage : targetNamespaceToEPackageMap.values())
    {
      if (ePackage.eResource() == null)
      {
        Resource ecoreResource = resourceSet.createResource(URI.createURI("*.ecore"));
        ecoreResource.setURI(URI.createURI(ePackage.getNsURI()));
        ecoreResource.getContents().add(ePackage);
      }
    }

    return new ArrayList<Resource>(resourceSet.getResources());
  }

  public EStructuralFeature getEStructuralFeature(XSDFeature xsdFeature)
  {
    if ("true".equals(getEcoreAttribute(xsdFeature, "ignore"))) return null;
    EStructuralFeature eStructuralFeature = (EStructuralFeature)xsdComponentToEModelElementMap.get(xsdFeature);
    if (reuseRegisteredPackages && eStructuralFeature == null)
    {
      String namespace = xsdFeature.getTargetNamespace();
      String name = xsdFeature.getName();
      eStructuralFeature = 
       xsdFeature instanceof XSDElementDeclaration ? 
         extendedMetaData.getElement(namespace, name) :
         extendedMetaData.getAttribute(namespace, name);
      if (eStructuralFeature != null)
      {
        map(xsdFeature, eStructuralFeature);
        return eStructuralFeature;
      }
    }
    if (eStructuralFeature == null)
    {
      EPackage ePackage = getEPackage(xsdFeature);
      EClass documentEClass = extendedMetaData.getDocumentRoot(ePackage);
      if (documentEClass == null)
      {
        // documentEClass = extendedMetaData.demandDocumentRoot(ePackage);
        documentEClass = EcoreFactory.eINSTANCE.createEClass();
        String name = getEcoreAttribute(xsdFeature.getSchema(), "documentRoot");
        if (name == null)
        {
          name = "DocumentRoot";
        }
        documentEClass.setName(name);

        extendedMetaData.setDocumentRoot(documentEClass);

        ePackage.getEClassifiers().add(documentEClass);

        createFeature
          (documentEClass,
           "mixed",
           EcorePackage.Literals.EFEATURE_MAP_ENTRY,
           null,
           0,
           -1);

        EStructuralFeature xmlnsPrefixMapFeature =
          createFeature
            (documentEClass,
             "xMLNSPrefixMap",
             EcorePackage.Literals.ESTRING_TO_STRING_MAP_ENTRY,
             null,
             0,
             -1);
        extendedMetaData.setName(xmlnsPrefixMapFeature, "xmlns:prefix");

        EStructuralFeature xsiSchemaLocationMapFeature =
          createFeature
            (documentEClass,
             "xSISchemaLocation",
             EcorePackage.Literals.ESTRING_TO_STRING_MAP_ENTRY,
             null,
             0,
             -1);
        extendedMetaData.setName(xsiSchemaLocationMapFeature, "xsi:schemaLocation");
      }

      String name = getEcoreAttribute(xsdFeature, "name");
      if (name == null)
      {
        name= validName(xsdFeature.getName(), true);
      }

      if (xsdFeature instanceof XSDElementDeclaration)
      {
        // Mark the bound as unspecified so that it won't be considered many
        // but can nevertheless be recognized as being unspecified and perhaps still be treat as many.
        //
        EStructuralFeature result =
          createFeature(documentEClass, (XSDElementDeclaration)xsdFeature, name, xsdFeature, 0, ETypedElement.UNSPECIFIED_MULTIPLICITY);

        result.setDerived(true);
        result.setTransient(true);
        result.setVolatile(true);
        return result;
      }
      else
      {
        EStructuralFeature result =
          createFeature(documentEClass, (XSDAttributeDeclaration)xsdFeature, name, xsdFeature, false);
        return result;
      }
    }

    return eStructuralFeature;
  }

  public Collection<EObject> generate(URI uri)
  {
    ResourceSet resourceSet = createResourceSet();
    Resource resource = resourceSet.getResource(uri, true);
    for (Object object : resource.getContents())
    {
      if (object instanceof XSDSchema)
      {
        generate((XSDSchema)object);
      }
    }

    List<EObject> result = new ArrayList<EObject>(targetNamespaceToEPackageMap.values());
    result.remove(XMLNamespacePackage.eINSTANCE);
    if (mapper != null)
    {
      result.add(mapper.getRoot());
    }
    return result;
  }

  public Collection<Object> generate(Collection<URI> uris)
  {
    if (simpleDiagnostics == null)
    {
      simpleDiagnostics = new ArrayList<List<String>>();
    }
    ResourceSet resourceSet = createResourceSet();
    for (URI uri : uris)
    {
      Resource resource = resourceSet.getResource(uri, true);
      for (Object object : resource.getContents())
      {
        if (object instanceof XSDSchema)
        {
          generate((XSDSchema)object);
        }
      }
    }

    List<Object> result = new ArrayList<Object>(targetNamespaceToEPackageMap.values());
    result.remove(XMLNamespacePackage.eINSTANCE);
    if (mapper != null)
    {
      result.add(mapper.getRoot());
    }

    result.add(simpleDiagnostics);
    return result;
  }

  public void generate(XSDSchema xsdSchema)
  {
    this.rootSchema = xsdSchema;
    if (xsdSchemas.add(xsdSchema))
    {
      addInput(xsdSchema);
      validate(xsdSchema);
    }

    Collection<XSDElementDeclaration> visitedElementDeclarations = new ArrayList<XSDElementDeclaration>();
    Collection<XSDElementDeclaration> elementDeclarations = new ArrayList<XSDElementDeclaration>(xsdSchema.getElementDeclarations());

    Collection<XSDAttributeDeclaration> visitedAttributeDeclarations = new ArrayList<XSDAttributeDeclaration>();
    Collection<XSDAttributeDeclaration> attributeDeclarations = new ArrayList<XSDAttributeDeclaration>(xsdSchema.getAttributeDeclarations());

    Collection<XSDTypeDefinition> visitedTypeDefinitions = new ArrayList<XSDTypeDefinition>();
    Collection<XSDTypeDefinition> typeDefinitions = new ArrayList<XSDTypeDefinition>(xsdSchema.getTypeDefinitions());

    while (!elementDeclarations.isEmpty() || !attributeDeclarations.isEmpty() || !typeDefinitions.isEmpty())
    {
      for (XSDElementDeclaration xsdElementDeclaration : elementDeclarations)
      {
        getEStructuralFeature(xsdElementDeclaration);
      }
      visitedElementDeclarations.addAll(elementDeclarations);
      elementDeclarations = new ArrayList<XSDElementDeclaration>(xsdSchema.getElementDeclarations());
      elementDeclarations.removeAll(visitedElementDeclarations);

      for (XSDAttributeDeclaration xsdAttributeDeclaration : attributeDeclarations)
      {
        if (!XSDConstants.isSchemaInstanceNamespace(xsdAttributeDeclaration.getTargetNamespace()))
        {
          getEStructuralFeature(xsdAttributeDeclaration);
        }
      }
      visitedAttributeDeclarations.addAll(attributeDeclarations);
      attributeDeclarations = new ArrayList<XSDAttributeDeclaration>(xsdSchema.getAttributeDeclarations());
      attributeDeclarations.removeAll(visitedAttributeDeclarations);

      for (XSDTypeDefinition xsdTypeDefinition : typeDefinitions)
      {
        getEClassifier(xsdTypeDefinition);
      }
      visitedTypeDefinitions.addAll(typeDefinitions);
      typeDefinitions = new ArrayList<XSDTypeDefinition>(xsdSchema.getTypeDefinitions());
      typeDefinitions.removeAll(visitedTypeDefinitions);
    }

    resolveNameConflicts();

    for (XSDSchema generatedXSDSchema : xsdSchemas)
    {
      EPackage ePackage = targetNamespaceToEPackageMap.get(generatedXSDSchema.getTargetNamespace());
      if (ePackage != null)
      {
        String packageName= getEcoreAttribute(generatedXSDSchema, "package");
        if (packageName != null)
        {
          ePackage.setName(packageName);
        }
        String packageNsPrefix= getEcoreAttribute(generatedXSDSchema, "nsPrefix");
        if (packageNsPrefix != null)
        {
          ePackage.setNsPrefix(packageNsPrefix);
        }
      }
    }

    for (Map.Entry<EReference, String> entry : eReferenceToOppositeNameMap.entrySet())
    {
      EReference eReference = entry.getKey();
      String opposite = entry.getValue();
      EClass oppositeEClass = eReference.getEReferenceType();
      if (eReference.getEOpposite() == null)
      {
        EStructuralFeature eOppositeFeature =  oppositeEClass.getEStructuralFeature(opposite);

        // Match by XML name if this fails.
        if (eOppositeFeature == null)
        {
          for(EStructuralFeature feature : oppositeEClass.getEAllStructuralFeatures())
          {
            if (opposite.equals(extendedMetaData.getName(feature)))
            {
              eOppositeFeature = feature;
              break;
            }
          }
        }

        if (eOppositeFeature instanceof EReference)
        {
          EReference eOpposite = (EReference)eOppositeFeature;
          eOpposite.setEOpposite(eReference);
          eReference.setEOpposite(eOpposite);
        }
      }

      if (eReference.getEOpposite() == null && eReference.isContainment())
      {
        EReference eOpposite = EcoreFactory.eINSTANCE.createEReference();
        eOpposite.setName(opposite);
        eOpposite.setEType(eReference.getEContainingClass());
        eOpposite.setLowerBound(0);
        eOpposite.setEOpposite(eReference);
        eReference.setEOpposite(eOpposite);
        eOpposite.setTransient(true);
        oppositeEClass.getEStructuralFeatures().add(eOpposite);
      }
    }

    eReferenceToOppositeNameMap.clear();

    for (Map.Entry<EReference, List<String>> entry : eReferenceToKeyNamesMap.entrySet())
    {
      EReference eReference = entry.getKey();
      EClass eReferenceType = eReference.getEReferenceType();
      for (String key : entry.getValue())
      {
        EStructuralFeature eKey =  eReferenceType.getEStructuralFeature(key);
        // Match by XML name if this fails.
        if (eKey == null)
        {
          for(EStructuralFeature feature : eReferenceType.getEAllStructuralFeatures())
          {
            if (key.equals(extendedMetaData.getName(feature)))
            {
              eKey = feature;
              break;
            }
          }
        }
        if (eKey instanceof EAttribute)
        {
          eReference.getEKeys().add((EAttribute)eKey);
        }
      }
    }

    eReferenceToKeyNamesMap.clear();
  }

  protected String getEcoreAttribute(XSDConcreteComponent xsdConcreteComponent1, XSDConcreteComponent xsdConcreteComponent2, String attribute)
  {
    String result = getEcoreAttribute(xsdConcreteComponent1, attribute);
    if (result == null)
    {
      result = getEcoreAttribute(xsdConcreteComponent2, attribute);
    }
    return result;
  }

  protected String getEcoreAttribute(XSDConcreteComponent xsdConcreteComponent, String attribute)
  {
    if (xsdConcreteComponent == null)
    {
      return null;
    }
    else
    {
      Element element = xsdConcreteComponent.getElement();
      return getEcoreAttribute(element, attribute);
    }
  }

  protected String getEcoreAttribute(Element element, String attribute)
  {
    return
      element != null && element.hasAttributeNS(EcorePackage.eNS_URI, attribute) ?
        element.getAttributeNS(EcorePackage.eNS_URI, attribute) :
        null;
  }

  protected List<EGenericType> getGenericTypes(XSDConcreteComponent xsdConcreteComponent, Element element, EModelElement context, String value)
  {
    if (value == null || element == null)
    {
      return Collections.emptyList();
    }
    else
    {
      List<EGenericType> result = new ArrayList<EGenericType>();
      value = value.replace('{', '<').replace('}', '>');
      int start = 0;
      int nesting = 0;
      for (int i = 0, length = value.length(); i < length; ++i)
      {
        char character = value.charAt(i);
        if (character == '<')
        {
          ++nesting;
        }
        else if (character == '>')
        {
          --nesting;
        }
        if (nesting == 0 && Character.isWhitespace(character))
        {
          EGenericType eGenericType = getGenericType(xsdConcreteComponent, element, context, value.substring(start, i).trim());
          if (eGenericType != null)
          {
            result.add(eGenericType);
          }
          start = i + 1;
        }
      }
      EGenericType eGenericType = getGenericType(xsdConcreteComponent, element, context,  value.substring(start).trim());
      if (eGenericType != null)
      {
        result.add(eGenericType);
      }
      return result;
    }
  }

  protected EGenericType getGenericType(XSDConcreteComponent xsdConcreteComponent, Element element, EModelElement context, String value)
  {
    if (value != null)
    {
      value = value.replace('{', '<').replace('}', '>');
      Diagnostic diagnostic = eGenericTypeBuilder.parseInstanceTypeName(value);
      if (diagnostic.getSeverity() == Diagnostic.OK)
      {
        EGenericType eGenericType = (EGenericType)diagnostic.getData().get(0);
        resolveGenericType(xsdConcreteComponent, element, context, eGenericType);
        return eGenericType;
      }
    }
    return null;
  }

  protected void resolveGenericType(XSDConcreteComponent xsdConcreteComponent, Element element, EModelElement context, EGenericType eGenericType)
  {
    EClassifier eClassifier = eGenericType.getEClassifier();
    if (eClassifier != null)
    {
      String instanceTypeName = eClassifier.getInstanceTypeName();
      String uri = XSDConstants.lookupQName(element, instanceTypeName);
      boolean done = false;
      if (uri.indexOf('#') == -1)
      {
        // Search the local scope for a resolution of the type parameter name.
        //
        LOOP:
        for (EObject eObject = context; eObject != null; eObject = eObject.eContainer())
        {
          EList<ETypeParameter> eTypeParameters = null;
          if (eObject instanceof EOperation)
          {
            eTypeParameters = ((EOperation)eObject).getETypeParameters();
          }
          else if (eObject instanceof EClass)
          {
            eTypeParameters = ((EClass)eObject).getETypeParameters();
          }

          // If we've found a thing with type parameters, search them for a match.
          //
          if (eTypeParameters != null)
          {
            for (ETypeParameter eTypeParameter : eTypeParameters)
            {
              if (uri.equals(eTypeParameter.getName()))
              {
                // If we find a match, make this generic type be for this type parameter,
                // and then stop the whole process.
                //
                eGenericType.setEClassifier(null);
                eGenericType.setETypeParameter(eTypeParameter);
                done = true;
                break LOOP;
              }
            }
          }
        }
      }
      if (!done)
      {
        XSDTypeDefinition xsdTypeDefinition = xsdConcreteComponent.resolveTypeDefinitionURI(uri);
        if (xsdTypeDefinition.getContainer() != null)
        {
          eGenericType.setEClassifier(getEClassifier(xsdTypeDefinition));
          done = true;
        }
      }
      if (done)
      {
        for (EGenericType eTypeArgument : eGenericType.getETypeArguments())
        {
          resolveGenericType(xsdConcreteComponent, element, context, eTypeArgument);
        }
      }
      else
      {
        eGenericType.setEClassifier(EcorePackage.Literals.EOBJECT);
        eGenericType.getETypeArguments().clear();
      }
    }
    else
    {
      ETypeParameter eTypeParameter = eGenericType.getETypeParameter();
      if (eTypeParameter != null)
      {
        // We should not ever hit this case.
      }
      else
      {
        EGenericType eUpperBound = eGenericType.getEUpperBound();
        if (eUpperBound != null)
        {
          resolveGenericType(xsdConcreteComponent, element, context, eUpperBound);
        }
        else
        {
          EGenericType eLowerBound = eGenericType.getELowerBound();
          if (eLowerBound != null)
          {
            resolveGenericType(xsdConcreteComponent, element, context, eLowerBound);
          }
        }
      }
    }
  }

  protected XSDTypeDefinition getEcoreTypeQNameAttribute(XSDConcreteComponent xsdConcreteComponent, String attribute)
  {
    Element element = xsdConcreteComponent.getElement();
    return  element == null ? null : getEcoreTypeQNameAttribute(xsdConcreteComponent, element, EcorePackage.eNS_URI, attribute);
  }

  protected XSDTypeDefinition getEcoreTypeQNameAttribute
    (XSDConcreteComponent xsdConcreteComponent, Element element, String namespace, String attribute)
  {
    if (element != null && element.hasAttributeNS(namespace, attribute))
    {
      String qName = element.getAttributeNS(namespace, attribute);
      XSDTypeDefinition result = xsdConcreteComponent.resolveTypeDefinitionURI(XSDConstants.lookupQName(element, qName));
      if (result.getContainer() != null)
      {
        return result;
      }
    }

    return null;
  }

  protected List<XSDTypeDefinition> getEcoreTypeQNamesAttribute(XSDConcreteComponent xsdConcreteComponent, String attribute)
  {
    Element element = xsdConcreteComponent.getElement();
    return
      element == null ?
        Collections.<XSDTypeDefinition>emptyList() :
          getEcoreTypeQNamesAttribute(xsdConcreteComponent, element, EcorePackage.eNS_URI, attribute);
  }

  protected List<XSDTypeDefinition> getEcoreTypeQNamesAttribute
    (XSDConcreteComponent xsdConcreteComponent, Element element, String namespace, String attribute)
  {
    List<XSDTypeDefinition> result = new ArrayList<XSDTypeDefinition>();
    if (element != null && element.hasAttributeNS(namespace, attribute))
    {
      for (StringTokenizer stringTokenizer = new StringTokenizer(element.getAttributeNS(namespace, attribute)); stringTokenizer.hasMoreTokens(); )
      {
        String qName = stringTokenizer.nextToken();
        XSDTypeDefinition xsdTypeDefinition = xsdConcreteComponent.resolveTypeDefinitionURI(XSDConstants.lookupQName(element, qName));
        if (xsdTypeDefinition.getContainer() != null)
        {
          result.add(xsdTypeDefinition);
        }
      }
    }

    return result;
  }

  public static <T extends ENamedElement> List<T> sortNamedComponents(Collection<T> eNamedElements)
  {
    ENamedElement [] objects = new ENamedElement [eNamedElements.size()];
    eNamedElements.toArray(objects);
    Arrays.sort(objects, Comparator.INSTANCE);
    @SuppressWarnings("unchecked") List<T> result = (List<T>)Arrays.asList(objects);
    return result;
  }

  public static <T extends ENamedElement> void addToSortedList(List<T> eNamedElements, T eNamedElement)
  {
    int index = Collections.binarySearch(eNamedElements, eNamedElement, Comparator.INSTANCE);
    if (index < 0)
    {
      eNamedElements.add(-(index + 1), eNamedElement);
    }
    else if (eNamedElements.get(index) != eNamedElement)
    {
      eNamedElements.add(index, eNamedElement);
    }
  }

  public static class Comparator implements java.util.Comparator<ENamedElement>
  {
    public static Comparator INSTANCE = new Comparator();

    protected XSDPlugin.StringComparator collator = XSDPlugin.INSTANCE.getComparator();

    public Comparator()
    {
      super();
    }

    @Override
    public boolean equals(Object that)
    {
      return this == that;
    }

    public int compare(ENamedElement o1, ENamedElement o2)
    {
      ENamedElement eNamedElement1 = o1;
      ENamedElement eNamedElement2 = o2;
      String name1 = eNamedElement1.getName();
      String name2 = eNamedElement2.getName();
      if (name1 == null && name2 == null)
      {
        return 0;
      }
      else if (name1 == null)
      {
        return 1;
      }
      else if (name2 == null)
      {
        return -1;
      }
      else
      {
        int result = collator.compare(name1, name2);
        return result;
      }
    }
  }

  public static boolean isLocalReferenceType(XSDSimpleTypeDefinition xsdSimpleTypeDefinition)
  {
    while (xsdSimpleTypeDefinition != null)
    {
      if (XSDConstants.isAnySimpleType(xsdSimpleTypeDefinition))
      {
        return false;
      }

      String name = xsdSimpleTypeDefinition.getName();
      if (XSDConstants.isSchemaForSchemaNamespace(xsdSimpleTypeDefinition.getTargetNamespace()) &&
           ("IDREF".equals(name) || "IDREFS".equals(name)))
      {
        return true;
      }

      xsdSimpleTypeDefinition = xsdSimpleTypeDefinition.getBaseTypeDefinition();
    }

    return false;
  }

  protected Transformer transformer;

  protected String serialize(Element element)
  {
    if (transformer == null)
    {
      try
      {
        transformer = new DefaultJAXPConfiguration().createTransformer("UTF-8");
      }
      catch (TransformerException exeption)
      {
        throw new RuntimeException(exeption);
      }
    }
    
    StringWriter writer = new StringWriter();
    try
    {
      transformer.transform(new DOMSource(element), new StreamResult(writer));
    }
    catch (TransformerException exception)
    {
      throw new RuntimeException(exception);
    }
    return writer.toString();
  }

  protected void setAnnotations(EModelElement eModelElement, XSDConcreteComponent xsdComponent)
  {
    List<XSDAnnotation> xsdAnnotations = new ArrayList<XSDAnnotation>();
    List<Element> elements = new ArrayList<Element>();
    boolean append = true;

    if (xsdComponent instanceof XSDParticle)
    {
      xsdComponent = ((XSDParticle)xsdComponent).getContent();
    }

    if (xsdComponent != null)
    {
      elements.add(xsdComponent.getElement());
    }

    if (xsdComponent instanceof XSDAttributeDeclaration)
    {
      xsdAnnotations.add(((XSDAttributeDeclaration)xsdComponent).getAnnotation());
    }
    else if (xsdComponent instanceof XSDAttributeUse)
    {
      XSDAttributeUse xsdAttributeUse = (XSDAttributeUse)xsdComponent;
      xsdAnnotations.add(xsdAttributeUse.getContent().getAnnotation());
      XSDAttributeDeclaration xsdAttributeDeclaration = xsdAttributeUse.getAttributeDeclaration();
      xsdAnnotations.add(xsdAttributeDeclaration.getAnnotation());
      elements.add(xsdAttributeDeclaration.getElement());
      append = false;
    }
    else if (xsdComponent instanceof XSDElementDeclaration)
    {
      XSDElementDeclaration xsdElementDeclaration = (XSDElementDeclaration)xsdComponent;
      xsdAnnotations.add(xsdElementDeclaration.getAnnotation());
      if (xsdElementDeclaration.isElementDeclarationReference())
      {
        XSDElementDeclaration resolvedElementDeclaration = xsdElementDeclaration.getResolvedElementDeclaration();
        xsdAnnotations.add(resolvedElementDeclaration.getAnnotation());
        elements.add(resolvedElementDeclaration.getElement());
      }
      append = false;
    }
    else if (xsdComponent instanceof XSDAttributeGroupDefinition)
    {
      xsdAnnotations.add(((XSDAttributeGroupDefinition)xsdComponent).getAnnotation());
    }
    else if (xsdComponent instanceof XSDFacet)
    {
      xsdAnnotations.add(((XSDFacet)xsdComponent).getAnnotation());
    }
    else if (xsdComponent instanceof XSDIdentityConstraintDefinition)
    {
      xsdAnnotations.add(((XSDIdentityConstraintDefinition)xsdComponent).getAnnotation());
    }
    else if (xsdComponent instanceof XSDModelGroup)
    {
      xsdAnnotations.add(((XSDModelGroup)xsdComponent).getAnnotation());
    }
    else if (xsdComponent instanceof XSDModelGroupDefinition)
    {
      xsdAnnotations.add(((XSDModelGroupDefinition)xsdComponent).getAnnotation());
    }
    else if (xsdComponent instanceof XSDSchema)
    {
      xsdAnnotations.addAll(((XSDSchema)xsdComponent).getAnnotations());
    }
    else if (xsdComponent instanceof XSDTypeDefinition)
    {
      xsdAnnotations.addAll(((XSDTypeDefinition)xsdComponent).getAnnotations());
    }
    else if (xsdComponent instanceof XSDWildcard)
    {
      xsdAnnotations.add(((XSDWildcard)xsdComponent).getAnnotation());
    }

    boolean first = true;
    for (XSDAnnotation xsdAnnotation : xsdAnnotations)
    {
      if (xsdAnnotation != null && !"true".equals(getEcoreAttribute(xsdAnnotation, "ignore")))
      {
        for (Element element : xsdAnnotation.getUserInformation())
        {
          if (!"true".equals(getEcoreAttribute(element, "ignore")) && !ignore(element))
          {
            String documentation = serialize(element);
            int start = documentation.indexOf("?>");
            start = documentation.indexOf(">", start + 2);
            int end = documentation.lastIndexOf("</");
            String documentationBody = end == -1 ? null : documentation.substring(start + 1, end);
            String existingDocumentation =  EcoreUtil.getDocumentation(eModelElement);
            if (existingDocumentation != null)
            {
              if (!first && !append)
              {
                continue;
              }
              documentationBody = existingDocumentation + System.getProperty("line.separator") + documentationBody;
            }
            EcoreUtil.setDocumentation(eModelElement, documentationBody);
          }
        }

        for (Element element : xsdAnnotation.getApplicationInformation())
        {
          if (!"true".equals(getEcoreAttribute(element, "ignore")) && !ignore(element))
          {
            String sourceURI = element.hasAttributeNS(null, "source") ? element.getAttributeNS(null, "source") : null;
            String applicationInformation = serialize(element);
            int start = applicationInformation.indexOf("?>");
            start = applicationInformation.indexOf(">", start + 2);
            int end = applicationInformation.lastIndexOf("</");
            String applicationInformationBody = end == -1 ? null : applicationInformation.substring(start + 1, end);

            String key = getEcoreAttribute(element, "key");
            if (key == null)
            {
              key = "appinfo";
            }
            EAnnotation eAnnotation = eModelElement.getEAnnotation(sourceURI);
            String existingApplicationInformation =
              eAnnotation == null ?
                null :
                (String)eAnnotation.getDetails().get(key);

            if (existingApplicationInformation != null)
            {
              if (!first && !append)
              {
                continue;
              }
              applicationInformationBody =
                existingApplicationInformation + System.getProperty("line.separator") + applicationInformationBody;
            }

            if (eAnnotation == null)
            {
              eAnnotation = EcoreFactory.eINSTANCE.createEAnnotation();
              eAnnotation.setSource(sourceURI);
              eModelElement.getEAnnotations().add(eAnnotation);
            }

            eAnnotation.getDetails().put(key, applicationInformationBody);
          }
        }
      }
      first = false;
    }

    first = true;
    for (Element element : elements)
    {
      if (element != null)
      {
        NamedNodeMap attributes = element.getAttributes();
        for (int j = 0, length = attributes.getLength(); j < length; ++j)
        {
          Attr attribute = (Attr)attributes.item(j);
          if (!ignore(attribute))
          {
            String sourceURI = attribute.getNamespaceURI();
            EAnnotation eAnnotation = eModelElement.getEAnnotation(sourceURI);
            if (eAnnotation == null)
            {
              eAnnotation = EcoreFactory.eINSTANCE.createEAnnotation();
              eAnnotation.setSource(sourceURI);
              eModelElement.getEAnnotations().add(eAnnotation);
            }
            if (first || append || eAnnotation.getDetails().get(attribute.getLocalName()) == null)
            {
              eAnnotation.getDetails().put(attribute.getLocalName(), attribute.getValue());
            }
          }
        }
      }
      first = false;
    }
  }

  protected boolean ignore(Element element)
  {
    return
      EcorePackage.eNS_URI.equals(element.getAttributeNS(null, "source")) &&
        ("operations".equals(element.getAttributeNS(EcorePackage.eNS_URI, "key")) ||
           "typeParameters".equals(element.getAttributeNS(EcorePackage.eNS_URI, "key")));
  }

  protected boolean ignore(Attr attribute)
  {
    String namespaceURI = attribute.getNamespaceURI();
    return
      namespaceURI == null ||
        ExtendedMetaData.XMLNS_URI.equals(namespaceURI) ||
        ExtendedMetaData.XSI_URI.equals(namespaceURI) ||
        EcorePackage.eNS_URI.equals(namespaceURI);
  }

  protected void validate(XSDSchema xsdSchema)
  {
    for (Object content : xsdSchema.getContents())
    {
      if (content instanceof XSDImport)
      {
        XSDImport xsdImport = (XSDImport)content;
        xsdImport.resolveTypeDefinition(xsdImport.getNamespace(), "");
      }
    }

    if (simpleDiagnostics != null || diagnostics != null)
    {
      xsdSchema.validate();
      if (!xsdSchema.getAllDiagnostics().isEmpty())
      {
        if (simpleDiagnostics != null)
        {
          for (XSDDiagnostic xsdDiagnostic : xsdSchema.getAllDiagnostics())
          {
            List<String> tuple = new ArrayList<String>();
            tuple.add(xsdDiagnostic.getSeverity().toString());

            String localizedSeverity = XSDPlugin.INSTANCE.getString("_UI_XSDDiagnosticSeverity_" + xsdDiagnostic.getSeverity());
            tuple.add
              (XSDPlugin.INSTANCE.getString
                ("_UI_DiagnosticFileLineColumn_message",
                 new Object []
                 {
                   localizedSeverity + ": " + xsdDiagnostic.getMessage() + " ",
                   xsdDiagnostic.getLocationURI(),
                   xsdDiagnostic.getLine(),
                   xsdDiagnostic.getColumn()
                 }));

            simpleDiagnostics.add(tuple);
          }
        }
        if (diagnostics != null)
        {
          diagnostics.addAll(xsdSchema.getAllDiagnostics());
        }
      }
    }
  }
}

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