Examples of org.eclipse.emf.ecore.util.ExtendedMetaData

org.eclipse.emf.ecore.util.ExtendedMetaData
Interface for accessing and setting extended metadata on Ecore model elements. Such metadata is primarily used to support structures defined in XML schema and to retain additional information that a resource requires to produce conforming serializations. However, non-schema-based models may use this interface to support constructs such as mixed content, repeating model groups, and wildcard features, as well as to customize model serialization.
The extended metadata is stored on an Ecore model element as an annotation with source {@link #ANNOTATION_URI}. Each piece of information is recorded as a key-value pair of strings in its details map. This interface provides the following utility methods to set and query those annotations:
- {@link #getNamespace(EPackage) getNamespace} (package)
- {@link #isQualified isQualified}/ {@link #setQualified setQualified}
- {@link #getName(EClassifier) getName}/ {@link #setName(EClassifier,String) setName} (classifier)
- {@link #getNamespace(EClassifier) getNamespace} (classifier)
- {@link #getName(EStructuralFeature getName) getName}/ {@link #setName(EStructuralFeature,String) setName} (structural feature)
- {@link #getNamespace(EStructuralFeature) getNamespace}/ {@link #setNamespace(EStructuralFeature,String) setNamespace}
- {@link #getFeatureKind getFeatureKind}/ {@link #setFeatureKind setFeatureKind}
- {@link #getContentKind getContentKind}/ {@link #setContentKind setContentKind}
- {@link #getBaseType getBaseType}/ {@link #setBaseType setBaseType}
- {@link #getItemType getItemType}/ {@link #setItemType setItemType}
- {@link #getMemberTypes getMemberTypes}/ {@link #setMemberTypes setMemberTypes}
- {@link #getWildcards getWildcards}/ {@link #setWildcards setWildcards}
- {@link #getProcessingKind getProcessingKind}/ {@link #setProcessingKind setProcessingKind}
- {@link #getAffiliation(EClass,EStructuralFeature) getAffiliation}/ {@link #setAffiliation setAffiliation}
- {@link #getGroup getGroup}/ {@link #setGroup setGroup}
- {@link #getWhiteSpaceFacet getWhiteSpaceFacet}/ {@link #setWhiteSpaceFacet setWhiteSpaceFacet}
- {@link #getEnumerationFacet getEnumerationFacet}/ {@link #setEnumerationFacet setEnumerationFacet}
- {@link #getPatternFacet getPatternFacet}/ {@link #setPatternFacet setPatternFacet}
- {@link #getTotalDigitsFacet getTotalDigitsFacet}/ {@link #setTotalDigitsFacet setTotalDigitsFacet}
- {@link #getFractionDigitsFacet getFractionDigitsFacet}/ {@link #setFractionDigitsFacet setFractionDigitsFacet}
- {@link #getLengthFacet getLengthFacet}/ {@link #setLengthFacet setLengthFacet}
- {@link #getMinLengthFacet getMinLengthFacet}/ {@link #setMinLengthFacet setMinLengthFacet}
- {@link #getMaxLengthFacet getMaxLengthFacet}/ {@link #setMaxLengthFacet setMaxLengthFacet}
- {@link #getMinExclusiveFacet getMinExclusiveFacet}/ {@link #setMinExclusiveFacet setMinExclusiveFacet}
- {@link #getMaxExclusiveFacet getMaxExclusiveFacet}/ {@link #setMaxExclusiveFacet setMaxExclusiveFacet}
- {@link #getMinInclusiveFacet getMinInclusiveFacet}/ {@link #setMinInclusiveFacet setMinInclusiveFacet}
- {@link #getMaxInclusiveFacet getMaxInclusiveFacet}/ {@link #setMaxInclusiveFacet setMaxInclusiveFacet}
In additional, a number of convenience lookup methods are provided.
A single instance can be used to handle all related (or unrelated) metadata, as its only state is the package registry from which to obtain metadata, and the demand package registry, which stores demand-created metadata when processing data for which metadata has not already been defined.

     * @param eNsURI - package name space URI specification
     * @return an {@link EStructuralFeature} instance if found, null otherwise.
     */
    public static EStructuralFeature eGetStructuralFeature(EPackage.Registry eRegistry,
            EClass eClass, String eName, String eNsURI) {
        ExtendedMetaData data = new BasicExtendedMetaData(eRegistry) {


            @Override
            protected boolean isFeatureKindSpecific() {
                return false;
            }


            @Override
            protected boolean isFeatureNamespaceMatchingLax() {
                return true;
            }


        };
        return data.getAttribute(eClass, eNsURI, eName);
    }

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    copy = new JexXmlResource(original.getURI().trimFileExtension().appendFileExtension(extension));
    copy.getContents().addAll(EcoreUtil.copyAll(original.getContents()));
    ResourceSet resourceSet = new ResourceSetImpl();
    resourceSet.getResources().add(copy);
    // set up extension 
    ExtendedMetaData extendedMetaData = new BasicExtendedMetaData(resourceSet.getPackageRegistry());
    resourceSet.getLoadOptions().put(XMLResource.OPTION_EXTENDED_META_DATA, extendedMetaData);
    Map extensions = copy.getEObjectToExtensionMap();
    // create extension attribute meta object
    EStructuralFeature originalAttributeFeature = extendedMetaData.demandFeature(null, "original", false);
    // create extension attribute 
    AnyType originalAttribute = XMLTypeFactory.eINSTANCE.createAnyType();
    // set extension attribute value
    originalAttribute.eSet(originalAttributeFeature, original.getURI().toString());
    // add attribute to root object

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   */
  public static void generateFromXMLSchema(String xsdFileName, String targetDirectory, String javaPackage, String prefix, int genOptions)
  {
    DataObjectUtil.initRuntime();
    EPackage.Registry packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
    ExtendedMetaData extendedMetaData = new BasicExtendedMetaData(packageRegistry);
    XSDHelper xsdHelper = (new HelperContextImpl(extendedMetaData, false)).getXSDHelper();


    try
    {
      File inputFile = new File(xsdFileName).getAbsoluteFile();

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  protected void run(String args[])
  {
    String xsdFileName = args[inputIndex];
    EPackage.Registry packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
    ExtendedMetaData extendedMetaData = new BasicExtendedMetaData(packageRegistry);
    String packageURI = getSchemaNamespace(xsdFileName);
    Hashtable packageInfoTable = createPackageInfoTable(packageURI, schemaNamespace, javaPackage, prefix, namespaceInfo );
    generateFromXMLSchema(xsdFileName, packageRegistry, extendedMetaData, targetDirectory, packageInfoTable, genOptions, generateBuiltIn, allNamespaces);
  }

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  }


  public static void generateFromXMLSchema(String xsdFileName, String namespace, String targetDirectory, String javaPackage, String prefix, int genOptions)
  {
    EPackage.Registry packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
    ExtendedMetaData extendedMetaData = new BasicExtendedMetaData(packageRegistry);
    String packageURI = getSchemaNamespace(xsdFileName);
    Hashtable packageInfoTable = createPackageInfoTable(packageURI, namespace, javaPackage, prefix, null );
    generateFromXMLSchema(xsdFileName, packageRegistry, extendedMetaData, targetDirectory, packageInfoTable, genOptions, null, false );
  }

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  {
    try
    {
      processArguments(args);
      EPackage.Registry packageRegistry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
      ExtendedMetaData extendedMetaData = new BasicExtendedMetaData(packageRegistry);
      String xsdFileName = args[inputIndex];
      String packageURI = getSchemaNamespace(xsdFileName);
      Hashtable packageInfoTable = createPackageInfoTable(packageURI, schemaNamespace, javaPackage, prefix, namespaceInfo );
      GenModel genModel = generateFromXMLSchema(xsdFileName, packageRegistry, extendedMetaData, targetDirectory, packageInfoTable, genOptions, generateBuiltIn, allNamespaces);
      generatedPackages = new GeneratedPackages(genModel,extendedMetaData);

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   * @deprecated see {@link org.apache.tuscany.sdo.api.SDOUtil#createHelperContext}
   */
  public static TypeHelper createTypeHelper()
  {
    EPackage.Registry registry = new EPackageRegistryImpl(EPackage.Registry.INSTANCE);
    ExtendedMetaData extendedMetaData = new SDOExtendedMetaDataImpl(registry); //TODO create subclass that makes demand() methods synchronous
    //return new TypeHelperImpl(extendedMetaData);
    return (new HelperContextImpl(extendedMetaData, false)).getTypeHelper();
  }

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    }




    
    public Type createType(HelperContext hc, String uri, String name, boolean isDataType) {
        ExtendedMetaData extendedMetaData = ((HelperContextImpl)hc).getExtendedMetaData();
        if ("".equals(uri))
            uri = null; // FB


        EPackage ePackage = extendedMetaData.getPackage(uri);
        if (ePackage == null) {
            ePackage = EcoreFactory.eINSTANCE.createEPackage();
            ePackage.setEFactoryInstance(new DynamicDataObjectImpl.FactoryImpl());
            ePackage.setNsURI(uri);
            String packagePrefix = uri != null ? URI.createURI(uri).trimFileExtension().lastSegment() : ""; // FB
            ePackage.setName(packagePrefix);
            ePackage.setNsPrefix(packagePrefix);
            extendedMetaData.putPackage(uri, ePackage);
        }


        EClassifier eClassifier = ePackage.getEClassifier(name);
        if (eClassifier != null) // already defined?
        {

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  }
  
  
  public Property createOpenContentProperty(HelperContext hc, String uri, String name, Type type)
  {
        ExtendedMetaData extendedMetaData = ((HelperContextImpl)hc).getExtendedMetaData();


        // get/create document root
        EPackage ePackage = extendedMetaData.getPackage(uri);
        Type documentRoot = ePackage != null ? (Type)extendedMetaData.getType(ePackage, "") : null;
        if (documentRoot == null) {
            documentRoot = createType(hc, uri, null, false);
        }


        // Determine if property already exists

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                }
                xmlOptions.setProcessSchemaLocations(true);
                if (option == null){
                    option = getDefaultLoadOptions().get(OPTION_EXTENDED_META_DATA);
                }
                ExtendedMetaData extendedMetaData;
                final XSDHelper xsdHelper;
                if (option == null) {
                    extendedMetaData = ExtendedMetaData.INSTANCE;
                    xsdHelper = XSDHelper.INSTANCE;
                } else {

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