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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.schema.cmp;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.TreeMap;
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import org.jbind.xml.base.AttributeOccurence;
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import org.jbind.xml.base.IHasLocation;
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import org.jbind.xml.base.ILocation;
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import org.jbind.xml.base.IRef;
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import org.jbind.xml.base.ISymbolspaces;
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import org.jbind.xml.base.ProcessContentsType;
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import org.jbind.xml.base.Ref;
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import org.jbind.xml.base.RefComparator;
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import org.jbind.xml.core.cmp.IAttributesModel;
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import org.jbind.xml.core.cmp.ISourceInfo;
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import org.jbind.xml.core.cmp.IWildcard;
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import org.jbind.xml.core.content.IAttrDecl;
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import org.jbind.xml.core.content.IAttrDesc;
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import org.jbind.xml.core.content.IAttrGroupDecl;
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import org.jbind.xml.core.content.IAttrRefOrDecl;
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import org.jbind.xml.core.data.ISimpleData;
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import org.jbind.xml.core.type.IComplexType;
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import org.jbind.xml.msg.IConstraintViolations;
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import org.jbind.xml.msg.XmlException;
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import org.jbind.xml.msg.XmlMessages;
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public class AttributesModel implements IAttributesModel {
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private ISourceInfo mySourceInfo;
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/**
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* Maps {@link org.jbind.xml.base.IGlobalRef IGlobalRef}s to {@link
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* IAttrRefOrDecl IAttrRefOrDecl}. The map is sorted in order that the code
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* generation yields always the same results.
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*/
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// TODO sort at the code generation
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private Map myAttributes = new TreeMap(RefComparator.INSTANCE);
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private IAttrRefOrDecl myIdAttribute = null;
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private IWildcard myWildcard = null;
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private boolean myIsExtension;
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private IAttributesModel myParentModel = null;
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private IAttrGroupDecl myAttrGroupDecl = null;
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public AttributesModel(ISourceInfo aSourceInfo) {
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mySourceInfo = aSourceInfo;
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}
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private AttributesModel(ISourceInfo aSourceInfo, IAttributesModel aParentModel, boolean anIsExtension) {
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this(aSourceInfo);
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myParentModel = aParentModel;
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myIsExtension = anIsExtension;
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}
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public IAttributesModel extend(IComplexType aType) {
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IAttributesModel res = new AttributesModel(aType, this, true);
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return res;
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}
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public IAttributesModel restrict(IComplexType aType) {
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IAttributesModel res = new AttributesModel(aType, this, false);
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return res;
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}
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public void setAttrGroupDecl(IAttrGroupDecl anAttrGroupDecl) {
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myAttrGroupDecl = anAttrGroupDecl;
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}
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public IWildcard getWildcard() {
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return myWildcard;
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}
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public void setWildcard(IWildcard aWildcard) {
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myWildcard = aWildcard;
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}
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public void addAttrRefOrDecl(IAttrRefOrDecl anAttribute, IConstraintViolations aViolations) {
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if (null != myAttributes.put(anAttribute.getGlobalRef(), anAttribute)) {
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aViolations.add(XmlMessages.duplicateAttribute(anAttribute.getGlobalRef(), this));
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}
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if (W3CTypes.id.isBaseType(anAttribute.getType())) {
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if (null != myIdAttribute) {
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aViolations.add(XmlMessages.moreThanOneIdAttribute(anAttribute.getGlobalRef(), this));
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}
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myIdAttribute = anAttribute;
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}
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}
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public void completeDerivedModel(IConstraintViolations aViolations) {
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myAttrGroupDecl.collectAttributeInfo(this, aViolations);
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if (myIsExtension) {
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// Copy the attributes from the parent model to this attributes model
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for (Iterator i = myParentModel.iterAttributes(); i.hasNext(); ) {
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IAttrRefOrDecl attr = (IAttrRefOrDecl)i.next();
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addAttrRefOrDecl(attr, aViolations);
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}
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IWildcard parentWildcard = myParentModel.getWildcard();
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if ((null != myWildcard) && (null != parentWildcard)) {
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myWildcard = myWildcard.union(parentWildcard, myWildcard.getProcessContentsType());
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} else if (null != parentWildcard) {
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myWildcard = parentWildcard;
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}
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} else {// The attributes model is a restriction
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IWildcard parentWildcard = myParentModel.getWildcard();
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for (Iterator i = myAttributes.values().iterator(); i.hasNext(); ) {
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// Validate if all attributes in the restricted model are contained
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// in the parent model.
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IAttrRefOrDecl attr = (IAttrRefOrDecl)i.next();
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IRef ref = attr.getGlobalRef();
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if (myParentModel.hasAttribute(ref)) {
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continue;
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}
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if ((null == parentWildcard) || !parentWildcard.isAllowed(ref)) {
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aViolations.add(XmlMessages.attributeInRestrictionNotContainedInBase(ref, attr));
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}
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}
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for (Iterator i = myParentModel.iterAttributes(); i.hasNext(); ) {
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IAttrRefOrDecl previous = (IAttrRefOrDecl)i.next();
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IRef ref = previous.getGlobalRef();
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IAttrRefOrDecl restricted = (IAttrRefOrDecl)myAttributes.get(ref);
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if (null == restricted) {
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addAttrRefOrDecl(previous, aViolations);
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} else {
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AttributeOccurence previousOccurence = previous.getOccurence();
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AttributeOccurence restrictedOccurence = restricted.getOccurence();
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if ((previousOccurence.equals(AttributeOccurence.PROHIBITED) && !restrictedOccurence.equals(AttributeOccurence.PROHIBITED)) || (previousOccurence.equals(AttributeOccurence.REQUIRED) && !restrictedOccurence.equals(AttributeOccurence.REQUIRED))) {
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aViolations.add(XmlMessages.attributeOccurenceMustBeAsInBaseModel(ref, restricted));
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}
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if (!restricted.isReference()) {
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if (restricted.hasDefaultType() && AttributeOccurence.PROHIBITED.equals(restricted.getOccurence())) {
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((AttrDecl)restricted).setType(previous.getType());
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} else {
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if (!previous.getType().isBaseType(restricted.getType())) {
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aViolations.add(XmlMessages.attributeMustHaveSubType(ref, restricted));
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}
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}
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} else {
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// If the restricted (and therefore also the previous decl) reference
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// a declarations then they have the same type.
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// -> nothing to do
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}
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ISimpleData previousFixed = previous.getFixed();
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if ((null != previousFixed) && !previousFixed.equals(restricted.getFixed())) {
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aViolations.add(XmlMessages.attributeRestrictionMustHaveSameFixedValue(ref, previousFixed, restricted.getFixed(), restricted));
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}
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}
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}
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// Test that the wildcard is a restriction
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if (null != myWildcard) {
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if ((null != parentWildcard) && !myWildcard.isSubset(parentWildcard)) {
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aViolations.add(XmlMessages.wildcardIsNotARestriction(myWildcard, this));
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}
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}
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}
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}
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public Iterator iterAttributes() {
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return myAttributes.values().iterator();
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}
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public IAttrDesc getAttrDesc(String aNamespace, String aLocalName, IHasLocation aHasLocation) throws XmlException {
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return getAttrDesc(new Ref(aNamespace, ISymbolspaces.ATTRIBUTE, aLocalName), aHasLocation);
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}
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public IAttrDesc getAttrDesc(IRef aRef, IHasLocation aHasLocation) throws XmlException {
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IAttrDesc res = (IAttrRefOrDecl)myAttributes.get(aRef);
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if (null == res) {
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if ((null != myWildcard) && myWildcard.isAllowed(aRef)) {
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ProcessContentsType pct = myWildcard.getProcessContentsType();
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if (!ProcessContentsType.SKIP.equals(pct)) {
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res = (IAttrDecl)Schemas.getInstance().getComponent(aRef);
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if (null == res) {
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if (ProcessContentsType.STRICT.equals(pct)) {
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throw new XmlException(XmlMessages.cvcUnexpectedAttribute(aRef, aHasLocation));
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} else {
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res = new AttrWildcard(mySourceInfo, myWildcard);
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}
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}
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}
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} else {
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throw new XmlException(XmlMessages.cvcUnexpectedAttribute(aRef, aHasLocation));
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}
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}
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return res;
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}
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public IAttrRefOrDecl getIdAttribute() {
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return myIdAttribute;
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}
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public boolean hasAttribute(IRef aRef) {
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return myAttributes.containsKey(aRef);
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}
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public IAttrRefOrDecl getAttrRefOrDecl(IRef aRef) {
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return (IAttrRefOrDecl)myAttributes.get(aRef);
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}
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public IAttrRefOrDecl getAttrRefOrDecl(String aNamespace, String aName) {
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Ref ref = new Ref(aNamespace, ISymbolspaces.ATTRIBUTE, aName);
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return (IAttrRefOrDecl)myAttributes.get(ref);
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}
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public void validate(IConstraintViolations aViolations) {}
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public IAttrRefOrDecl getDefaultAttr(IRef aRef) {
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IAttrRefOrDecl a = (IAttrRefOrDecl)myAttributes.get(aRef);
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if ((null != a) && (null != a.getDefault()) && AttributeOccurence.OPTIONAL.equals(a.getOccurence())) {
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return a;
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}
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return null;
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}
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public ILocation getLocation() {
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return (null != mySourceInfo) ? mySourceInfo.getLocation() : null;
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}
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}
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