| /******************************************************************************* |
| * Copyright (c) 2005 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 Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.validator; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.xsd.XSDAttributeDeclaration; |
| import org.eclipse.xsd.XSDAttributeGroupDefinition; |
| import org.eclipse.xsd.XSDAttributeUse; |
| import org.eclipse.xsd.XSDAttributeUseCategory; |
| import org.eclipse.xsd.XSDComplexTypeContent; |
| import org.eclipse.xsd.XSDComplexTypeDefinition; |
| import org.eclipse.xsd.XSDConstraint; |
| import org.eclipse.xsd.XSDElementDeclaration; |
| import org.eclipse.xsd.XSDFeature; |
| import org.eclipse.xsd.XSDModelGroup; |
| import org.eclipse.xsd.XSDModelGroupDefinition; |
| import org.eclipse.xsd.XSDParticle; |
| import org.eclipse.xsd.XSDParticleContent; |
| import org.eclipse.xsd.XSDSchema; |
| import org.eclipse.xsd.XSDSimpleTypeDefinition; |
| import org.eclipse.xsd.XSDTypeDefinition; |
| import org.eclipse.xsd.util.XSDConstants; |
| import org.eclipse.xsd.util.XSDUtil; |
| |
| /** |
| * Collection of utility methods for dealing with navigation of the XSD model |
| */ |
| |
| public class XSDUtils { |
| |
| // singleton lists of XSD simple type definitions for supported primitives (see getPrimitives()) and |
| // all xsd primitives (see getAdvancedPrimitives()) respectively |
| |
| |
| private static List<XSDSimpleTypeDefinition> advancedPrimitives = new ArrayList<XSDSimpleTypeDefinition> (); |
| private static final AtomicBoolean advancedPrimitiveWasSet = new AtomicBoolean( false ); |
| |
| |
| // XSD short list -- these are the types presented to the user by default, rather than inundating them with |
| // all the available types |
| private static List<String> xsdShortList = new ArrayList<String>(); |
| static |
| { |
| xsdShortList.add("string"); //$NON-NLS-1$ |
| xsdShortList.add("int"); //$NON-NLS-1$ |
| xsdShortList.add("double"); //$NON-NLS-1$ |
| xsdShortList.add("date"); //$NON-NLS-1$ |
| xsdShortList.add("time"); //$NON-NLS-1$ |
| xsdShortList.add("dateTime"); //$NON-NLS-1$ |
| xsdShortList.add("boolean"); //$NON-NLS-1$ |
| xsdShortList.add("hexBinary"); //$NON-NLS-1$ |
| xsdShortList.add("float"); //$NON-NLS-1$ |
| } |
| |
| |
| // A list of all supported XSD types. Usually the user will not be presented with the full list, but |
| // rather with the xsd short list |
| private static List<String> supportedPrimitives = new ArrayList<String>(); |
| static { |
| supportedPrimitives.add("anyType"); //$NON-NLS-1$ |
| supportedPrimitives.add("anyURI"); //$NON-NLS-1$ |
| supportedPrimitives.add("base64Binary"); //$NON-NLS-1$ |
| supportedPrimitives.add("boolean"); //$NON-NLS-1$ |
| supportedPrimitives.add("byte"); //$NON-NLS-1$ |
| supportedPrimitives.add("date"); //$NON-NLS-1$ |
| supportedPrimitives.add("dateTime"); //$NON-NLS-1$ |
| supportedPrimitives.add("decimal"); //$NON-NLS-1$ |
| supportedPrimitives.add("double"); //$NON-NLS-1$ |
| supportedPrimitives.add("duration"); //$NON-NLS-1$ |
| supportedPrimitives.add("ENTITIES"); //$NON-NLS-1$ |
| supportedPrimitives.add("ENTITY"); //$NON-NLS-1$ |
| supportedPrimitives.add("float"); //$NON-NLS-1$ |
| supportedPrimitives.add("gDay"); //$NON-NLS-1$ |
| supportedPrimitives.add("gMonth"); //$NON-NLS-1$ |
| supportedPrimitives.add("gMonthDay"); //$NON-NLS-1$ |
| supportedPrimitives.add("gYear"); //$NON-NLS-1$ |
| supportedPrimitives.add("gYearMonth"); //$NON-NLS-1$ |
| supportedPrimitives.add("hexBinary"); //$NON-NLS-1$ |
| supportedPrimitives.add("ID"); //$NON-NLS-1$ |
| supportedPrimitives.add("IDREF"); //$NON-NLS-1$ |
| supportedPrimitives.add("IDREFS"); //$NON-NLS-1$ |
| supportedPrimitives.add("int"); //$NON-NLS-1$ |
| supportedPrimitives.add("integer"); //$NON-NLS-1$ |
| supportedPrimitives.add("language"); //$NON-NLS-1$ |
| supportedPrimitives.add("long"); //$NON-NLS-1$ |
| supportedPrimitives.add("Name"); //$NON-NLS-1$ |
| supportedPrimitives.add("NCName"); //$NON-NLS-1$ |
| supportedPrimitives.add("negativeInteger"); //$NON-NLS-1$ |
| supportedPrimitives.add("NMTOKEN"); //$NON-NLS-1$ |
| supportedPrimitives.add("NMTOKENS"); //$NON-NLS-1$ |
| supportedPrimitives.add("nonNegativeInteger"); //$NON-NLS-1$ |
| supportedPrimitives.add("nonPositiveInteger"); //$NON-NLS-1$ |
| supportedPrimitives.add("normalizedString"); //$NON-NLS-1$ |
| supportedPrimitives.add("NOTATION"); //$NON-NLS-1$ |
| supportedPrimitives.add("positiveInteger"); //$NON-NLS-1$ |
| supportedPrimitives.add("QName"); //$NON-NLS-1$ |
| supportedPrimitives.add("short"); //$NON-NLS-1$ |
| supportedPrimitives.add("string"); //$NON-NLS-1$ |
| supportedPrimitives.add("time"); //$NON-NLS-1$ |
| supportedPrimitives.add("token"); //$NON-NLS-1$ |
| supportedPrimitives.add("unsignedByte"); //$NON-NLS-1$ |
| supportedPrimitives.add("unsignedInt"); //$NON-NLS-1$ |
| supportedPrimitives.add("unsignedLong"); //$NON-NLS-1$ |
| supportedPrimitives.add("unsignedShort"); //$NON-NLS-1$ |
| } |
| |
| |
| /** |
| * Like getPrimitives(), this returns a list of XSDSimpleTypeDefinition. However where getPrimitives() |
| * returns the basic set supported by the editor, getAdvancedPrimitives returns every known XSD |
| * primitive type. |
| * |
| * @return list of simple type definitions. |
| */ |
| public static List<XSDSimpleTypeDefinition> getAdvancedPrimitives() { |
| |
| // (VZ) FIXME: use a singleton instance of a set of static methods |
| if( ! advancedPrimitiveWasSet.get()) { |
| |
| // Get the schema for schemas instance to use when resolving primitives |
| XSDSchema schemaForSchemas = XSDUtil.getSchemaForSchema(XSDConstants.SCHEMA_FOR_SCHEMA_URI_2001); |
| |
| // Start adding the simple types using the supportedPrimitives list |
| for(String typeName : supportedPrimitives) { |
| XSDSimpleTypeDefinition type = schemaForSchemas.resolveSimpleTypeDefinition(typeName); |
| advancedPrimitives.add(type); |
| } |
| |
| // Return primitives in alpha order |
| Collections.sort(advancedPrimitives, new Comparator<XSDSimpleTypeDefinition>() { |
| public int compare(XSDSimpleTypeDefinition o1, XSDSimpleTypeDefinition o2) { |
| if(o1 == null || o2 == null || o1.getName() == null) |
| return 0; |
| return o1.getName().compareToIgnoreCase(o2.getName()); |
| } |
| }); |
| |
| advancedPrimitiveWasSet.set( true ); |
| } |
| |
| return advancedPrimitives; |
| } |
| |
| /** |
| * Retrieves all the root Data types defined in the schema including complex types, user-defined simple types and anonymous |
| * complex types. If there's an anonymous complex type definition (from a root element declaration) then we return |
| * the element declaration's anonymous type. |
| * @param schema |
| * @return list of type definitions. |
| */ |
| |
| public static List<XSDTypeDefinition> getAllDataTypes(XSDSchema schema) |
| { |
| if (schema==null) { |
| return Collections.emptyList(); |
| } |
| |
| List<XSDTypeDefinition> bos = new ArrayList<XSDTypeDefinition>(); |
| |
| for (Object item : schema.getContents()) { |
| if (item instanceof XSDTypeDefinition) { |
| bos.add( (XSDTypeDefinition) item); |
| } else if (item instanceof XSDElementDeclaration) { |
| XSDElementDeclaration element = (XSDElementDeclaration) item; |
| if (element.getAnonymousTypeDefinition() instanceof XSDComplexTypeDefinition) { |
| bos.add(element.getAnonymousTypeDefinition()); |
| } |
| } |
| } |
| return bos; |
| } |
| |
| /** |
| * Given a BO (XSD Complex Type), return a list of the attributes |
| * within the complexType. |
| * @param bo |
| * @return List of XSDAttributeDeclaration |
| */ |
| public static List<XSDAttributeDeclaration> getChildAttributes (XSDComplexTypeDefinition bo) |
| { |
| EList attrContents = bo.getAttributeContents(); |
| List<XSDAttributeDeclaration> attrs = new ArrayList<XSDAttributeDeclaration>(); |
| |
| for (int i=0; i< attrContents.size(); i++) |
| { |
| Object next = attrContents.get(i); |
| |
| // Attribute contents may include actual attribute declarations (wrapped in XSDAttributeUses) or |
| // attribute group definitions, containing bundles of attributes |
| if(next instanceof XSDAttributeUse) { |
| attrs.add( ((XSDAttributeUse) next).getContent().getResolvedAttributeDeclaration() ); |
| |
| } else if (next instanceof XSDAttributeGroupDefinition) { |
| |
| // Add these attributes to the end of attrContents to be processed in turn |
| XSDAttributeGroupDefinition attrGroup = (XSDAttributeGroupDefinition) next; |
| if(attrGroup.getResolvedAttributeGroupDefinition() != null) |
| attrContents.addAll(attrGroup.getResolvedAttributeGroupDefinition().getAttributeUses()); |
| |
| } |
| } |
| return attrs; |
| } |
| |
| /** |
| * Given a BO (XSD Complex Type), return a list of the XSDFeatures |
| * within the complexType's modelGroup (sequence, choice, etc.) |
| * @param bo |
| * @return list of features |
| */ |
| public static List<XSDParticleContent> getChildElements (XSDComplexTypeDefinition bo) |
| { |
| List<XSDParticleContent> children = new ArrayList<XSDParticleContent>(); |
| children.addAll(getChildElements(getModelGroup(bo))); |
| if(bo.getBaseTypeDefinition() instanceof XSDComplexTypeDefinition){ |
| children.addAll(getChildElements(getModelGroup((XSDComplexTypeDefinition)bo.getBaseTypeDefinition())));
} |
| return children; |
| } |
| |
| /** |
| * Given an XSDFeature, return a list of the XSDFeatures |
| * within the complexType's modelGroup (sequence, choice, etc.) |
| * @param elem |
| * @return list of the XSDFeatures within the complexType's modelGroup |
| */ |
| public static List<XSDParticleContent> getChildElements(XSDFeature elem) |
| { |
| XSDComplexTypeDefinition cType = getResolvedComplexType(elem); |
| if (cType != null) { |
| return getChildElements(cType); |
| } |
| return Collections.emptyList(); |
| } |
| |
| |
| /** |
| * Given a Model group, return a list of the XSDFeatures |
| * declared within. |
| * @param group |
| * @return the child elements. |
| */ |
| |
| public static List<XSDParticleContent> getChildElements (XSDModelGroup group) |
| { |
| if(group == null) { |
| return new ArrayList<XSDParticleContent>(); |
| } |
| |
| List<XSDParticleContent> children = new ArrayList<XSDParticleContent>(); |
| |
| for (XSDParticle next : group.getContents() ) { |
| if(next.getContent() instanceof XSDFeature) { |
| children.add(next.getContent()); |
| } else if (next.getTerm() instanceof XSDModelGroup) { |
| children.addAll(getChildElements((XSDModelGroup) next.getTerm())); |
| } |
| } |
| return children; |
| } |
| |
| |
| /** |
| * Given an XSD Complex Type Definition, return the model group containing |
| * its child elements. |
| * @param cType |
| * @return the model group |
| */ |
| public static XSDModelGroup getModelGroup(XSDComplexTypeDefinition cType) |
| { |
| |
| XSDParticle particle = cType.getComplexType(); |
| |
| // In cases where cType doesn't have a model group AND cType has a parent with a modelgroup, the |
| // call above will rather unexpectedly give us cType's PARENT's model group, rather than the null we |
| // might expect. We don't want that here, if the model group returned is null or belongs to someone |
| // other than us, return null |
| if (particle==null || particle.eContainer() != cType) { |
| return null; |
| } |
| |
| // get the model group |
| Object particleContent = particle.getContent(); |
| XSDModelGroup group = null; |
| |
| if (particleContent instanceof XSDModelGroupDefinition) { |
| group = ((XSDModelGroupDefinition)particleContent).getResolvedModelGroupDefinition().getModelGroup(); |
| } else if (particleContent instanceof XSDModelGroup) { |
| group = (XSDModelGroup)particleContent; |
| } |
| |
| if (group == null) { |
| return null; |
| } |
| |
| // if the content of the complex type is empty then the content |
| // must be in the complexContent, ie. we're extending another BO. |
| // if the group and the type are not in the same resource then |
| // we are extending another BO and we don't want to show inherited |
| // attributes. |
| if ( group.getContents().isEmpty() || group.eResource() != cType.eResource()) |
| { |
| // if we are extending another BO then get the elements |
| // we are adding |
| if (cType.getBaseType()!=null) |
| { |
| XSDComplexTypeContent content = cType.getContent(); |
| |
| if (content instanceof XSDParticle) { |
| particleContent = ((XSDParticle)content).getContent(); |
| if (particleContent instanceof XSDModelGroupDefinition) { |
| group = ((XSDModelGroupDefinition)particleContent).getResolvedModelGroupDefinition().getModelGroup(); |
| } else if (particleContent instanceof XSDModelGroup) { |
| group = (XSDModelGroup)particleContent; |
| } |
| } |
| |
| } |
| } |
| |
| return group; |
| } |
| |
| |
| /** |
| * Return the type definition for the primitive with name xsdName (note, this is not the human-readable |
| * name, but the actual XSD type name.) Return null if a type with this name is not in the list of |
| * all primitives |
| * @param xsdName |
| * @return the simple type definition with the given xsdName |
| */ |
| public static XSDSimpleTypeDefinition getPrimitive(String xsdName) { |
| for(XSDSimpleTypeDefinition next : getAdvancedPrimitives() ) { |
| if(next.getName().equals(xsdName)) { |
| return next; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Return a collection of all types referenced by the attributes (XSDFeatures) of source. This |
| * method is non-recursive (i.e. the list only contains direct references, not references-of-references) |
| * Will not return null, but may return an empty set. This will not return a BO reference if the file |
| * has been deleted (or just doesn't exist). |
| * @param source The complex type to examine for references |
| * @return a Collection of XSDComplexTypeDefinition instances -- no duplicates |
| */ |
| public static Collection<XSDTypeDefinition> getReferencedTypes(XSDComplexTypeDefinition source) { |
| |
| if(source == null) { |
| return Collections.emptySet(); |
| } |
| |
| List<XSDTypeDefinition> results = new ArrayList<XSDTypeDefinition>(); |
| XSDFeature element = null; |
| XSDComplexTypeDefinition elementType = null; |
| for(Iterator<XSDParticleContent> i = getChildElements(source).iterator(); i.hasNext(); ) { |
| element = (XSDFeature) i.next(); |
| elementType = getResolvedComplexType(element); |
| if(elementType != null && !results.contains(elementType) && !XSDConstants.isSchemaForSchemaNamespace(elementType.getTargetNamespace())) |
| results.add(elementType); |
| } |
| return results; |
| } |
| |
| /** |
| * Return a collection of all types referenced by the attributes (XSDFeatures) of source. This |
| * method is non-recursive (i.e. the list only contains direct references, not references-of-references) |
| * Will not return null, but may return an empty set. This will return a BO reference if the file |
| * has been deleted (or just doesn't exist). |
| * @param source The complex type to examine for references |
| * @return a Collection of XSDTypeDefinition (could be complex or simple type) instances -- no duplicates |
| */ |
| public static Collection<XSDTypeDefinition> getAllReferencedTypes(XSDComplexTypeDefinition source) |
| { |
| return getAllReferencedTypes(source, false); |
| } |
| |
| /** |
| * Return a collection of all types referenced by the attributes (XSDFeatures) of source. This |
| * method is non-recursive (i.e. the list only contains direct references, not references-of-references) |
| * Will not return null, but may return an empty set. This will return a BO reference if the file |
| * has been deleted (or just doesn't exist). |
| * @param source The complex type to examine for references |
| * @param includeAnonymous if true, the returned list will include anonymous inlined types as well. These |
| * are not technically "referenced", however it allows this method to be used as a way to get all non-primitive |
| * types used in any way by source |
| * @return a Collection of XSDTypeDefinition (could be complex or simple type) instances -- no duplicates |
| */ |
| public static Collection<XSDTypeDefinition> getAllReferencedTypes(XSDComplexTypeDefinition source, boolean includeAnonymous) |
| { |
| if (source == null) { |
| return Collections.emptySet(); |
| } |
| |
| List<XSDTypeDefinition> results = new ArrayList<XSDTypeDefinition>(); |
| XSDTypeDefinition elementType = null; |
| for (Iterator<XSDParticleContent> i = getChildElements(source).iterator(); i.hasNext();) |
| { |
| XSDFeature next = (XSDFeature) i.next(); |
| elementType = getResolvedType(next); |
| |
| // Only add non-null, non-duplicate, non-primitive types. If includeAnonymous is false, |
| // anonymous types should be filtered out as well |
| if( elementType != null && |
| !results.contains(elementType) && |
| !XSDConstants.isSchemaForSchemaNamespace(elementType.getTargetNamespace()) && |
| (includeAnonymous || elementType.eContainer() != next) ) { |
| results.add(elementType); |
| } |
| } |
| return results; |
| } |
| |
| /** |
| * Given an element, return its complex type, or null if it does not have a complex type. This is |
| * slightly more complicated than just calling getType() since an element may not have a type at all, it |
| * may reference another element. |
| * @param feature |
| * |
| * @return the complex type of the element (if any) |
| */ |
| public static XSDComplexTypeDefinition getResolvedComplexType(XSDFeature feature) { |
| // The contents of this method have been adapted to the more general getResolvedType, |
| // but this method is maintained for compatibility and convenience |
| XSDTypeDefinition resolvedType = getResolvedType(feature); |
| if(resolvedType instanceof XSDComplexTypeDefinition) |
| return (XSDComplexTypeDefinition) resolvedType; |
| return null; |
| } |
| |
| /** |
| * Given an element, return its type, or null if it does not have a type. This is |
| * slightly more complicated than just calling getType() since an element may not have |
| * a type at all, it may reference another element. |
| * @param feature |
| * @return the type of the element |
| */ |
| public static XSDTypeDefinition getResolvedType(XSDFeature feature) { |
| |
| // Special case of elements referencing stale XSD complex types |
| if (feature instanceof XSDElementDeclaration && ((XSDElementDeclaration) feature).getTypeDefinition() instanceof XSDComplexTypeDefinition) { |
| |
| XSDElementDeclaration element = (XSDElementDeclaration) feature; |
| |
| // We have a type, but types can be proxies, and proxies can become |
| // stale if the referenced |
| // type changes, so before we return it, re-resolve the proxy and |
| // then return it |
| XSDComplexTypeDefinition oldType = (XSDComplexTypeDefinition) element.getTypeDefinition(); |
| EObject newType = EcoreUtil.resolve(element.getTypeDefinition(), element); |
| if (oldType != newType) { |
| // We only return the resolved type if the name and the namespace has not changed. Changing the name |
| // and namespace is essentially an unresolved BO. |
| String oldName = oldType.getName(); |
| String newName = ((XSDTypeDefinition)newType).getName(); |
| String oldTNS = oldType.getTargetNamespace(); |
| String newTNS = ((XSDTypeDefinition)newType).getTargetNamespace(); |
| |
| if ( ((oldName==newName) || (oldName!=null && oldName.equals(newName))) && |
| ((oldTNS==newTNS) || (oldTNS!=null && oldTNS.equals(newTNS))) ) |
| element.setTypeDefinition((XSDTypeDefinition) newType); |
| } |
| return element.getTypeDefinition(); |
| |
| } else if (feature.getType() != null) { |
| return feature.getType(); |
| } else if (feature.getResolvedFeature() != null && feature.getResolvedFeature().getType() != null) { |
| // We reference another element |
| return feature.getResolvedFeature().getType(); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Return the base type from which this type inherits - that is, all xsd types are |
| * either xsd:anyType or xsd:anySimpleType at the topmost level of inheritance, so return the second |
| * topmost level of type's inheritance. The first specific type from which type inherits. |
| * @param type |
| * @return the root type definition |
| */ |
| |
| public static XSDTypeDefinition getRootType(XSDTypeDefinition type) { |
| if(type == null) |
| return null; |
| |
| XSDTypeDefinition baseType = type.getBaseType(); |
| while(baseType != null && !XSDConstants.isAnySimpleType(baseType) && !XSDConstants.isAnyType(baseType)) { |
| // walk one more step up the hierarchy |
| type = baseType; |
| baseType = type.getBaseType(); |
| } |
| |
| // Since baseType, type's immediate parent, broke the while condition, we know that type is now |
| // as high up the tree as we want to be |
| return type; |
| |
| |
| |
| } |
| |
| /** |
| * Given a schema, return the list of XSDSimpleTypeDefinitions found within it. Will not return null, |
| * but may return an empty list |
| * @param schema |
| * @return the user defined simple types. |
| */ |
| |
| public static List<XSDSimpleTypeDefinition> getUserDefinedSimpleTypes(XSDSchema schema) { |
| if(schema == null) { |
| return Collections.emptyList(); |
| } |
| |
| List<XSDSimpleTypeDefinition> result = new ArrayList<XSDSimpleTypeDefinition>(); |
| for(Object next : schema.getContents()) { |
| if(next instanceof XSDSimpleTypeDefinition) |
| result.add((XSDSimpleTypeDefinition) next); |
| } |
| return result; |
| } |
| |
| |
| |
| /** |
| * Return true if type is a descendant of a primitive xsd type. Will not return true for primitives |
| * themselves. |
| * @param type |
| * @return if type is a descendant of a primitive XSD type. |
| */ |
| |
| public static boolean isRestrictedPrimitiveType(XSDTypeDefinition type) { |
| if(type instanceof XSDComplexTypeDefinition) { |
| return false; |
| } |
| |
| XSDTypeDefinition baseType = getRootType(type); |
| return getAdvancedPrimitives().contains(baseType); |
| } |
| |
| /** |
| * Gets the "minOccurs" attribute value for the given XSDFeature, if |
| * there is none then it returns the default 1. |
| * @param xsdElem |
| * @return min occurs |
| */ |
| public static int getMinOccurs (XSDFeature xsdElem) |
| { |
| if (xsdElem.eContainer() instanceof XSDAttributeUse) |
| { |
| return (((XSDAttributeUse)xsdElem.eContainer()).getUse()==XSDAttributeUseCategory.REQUIRED_LITERAL?1:0); |
| } |
| |
| XSDParticle particle = (XSDParticle)xsdElem.eContainer(); |
| int min = 1; |
| if (particle.isSetMinOccurs()) |
| min = particle.getMinOccurs(); |
| |
| return min; |
| } |
| |
| /** |
| * Gets the "maxOccurs" attribute value for the given XSDFeature, if |
| * there is none then it returns the default 1. |
| * @param xsdElem |
| * @return max occurs |
| */ |
| public static int getMaxOccurs(XSDFeature xsdElem) |
| { |
| int max = 1; |
| |
| // not a particle means an attribute use. attributes are maxed at 1. |
| if ( !(xsdElem.eContainer() instanceof XSDParticle) ) |
| return max; |
| |
| XSDParticle particle = (XSDParticle)xsdElem.eContainer(); |
| if (particle.isSetMaxOccurs()) |
| max = particle.getMaxOccurs(); |
| |
| return max; |
| } |
| |
| static final String EMPTY_STRING = ""; //$NON-NLS-1$ |
| |
| /** |
| * Gets the "default" attribute value for the given XSDFeature, if there |
| * is none then it returns an empty string. |
| * @param xsdElem |
| * @return the default value string |
| */ |
| public static String getDefaultValue(XSDFeature xsdElem) |
| { |
| XSDConstraint constraint = null; |
| if (xsdElem instanceof XSDAttributeDeclaration) |
| { |
| // attribute declarations store their default values in |
| // their containers (attribute uses) |
| XSDAttributeUse use = (XSDAttributeUse)xsdElem.getContainer(); |
| if (use.isSetConstraint()) { |
| constraint = use.getConstraint(); |
| } |
| |
| if (constraint!=null && constraint.equals(XSDConstraint.DEFAULT_LITERAL)) { |
| if (use.getLexicalValue()!=null) { |
| return use.getLexicalValue(); |
| } |
| return EMPTY_STRING; |
| } |
| } |
| else if (xsdElem instanceof XSDElementDeclaration) |
| { |
| if (xsdElem.isSetConstraint()) |
| constraint = xsdElem.getConstraint(); |
| |
| if (constraint!=null && constraint.equals(XSDConstraint.DEFAULT_LITERAL)) { |
| if (xsdElem.getLexicalValue()!=null) { |
| return xsdElem.getLexicalValue(); |
| } |
| return EMPTY_STRING; |
| } |
| } |
| |
| return EMPTY_STRING; |
| } |
| |
| /** |
| * Return the enclosing Complex Type definition. |
| * @param component |
| * @return Return the enclosing Complex Type definition. |
| */ |
| public static XSDComplexTypeDefinition getEnclosingTypeDefinition(EObject component) |
| { |
| if (component == null) { |
| return null; |
| } |
| |
| if (component instanceof XSDComplexTypeDefinition) |
| return (XSDComplexTypeDefinition)component; |
| |
| return getEnclosingTypeDefinition(component.eContainer()); |
| } |
| |
| } |
