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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.instance.impl;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.ListIterator;
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import java.util.Map;
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import java.util.Stack;
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import org.jbind.base.UnexpectedException;
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import org.jbind.util.collection.FilterIterator;
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import org.jbind.util.collection.FilterListIterator;
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import org.jbind.util.collection.TransformingIterator;
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import org.jbind.util.collection.TransformingListIterator;
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import org.jbind.xml.base.ILocation;
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import org.jbind.xml.base.INamespaces;
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import org.jbind.xml.core.base.ITextContentMemento;
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import org.jbind.xml.core.base.ITextContentProvider;
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import org.jbind.xml.core.bridge.IAttributeImpl;
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import org.jbind.xml.core.bridge.IDataImplVisitor;
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import org.jbind.xml.core.bridge.IDefaultAttrCreator;
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import org.jbind.xml.core.bridge.IElementImpl;
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import org.jbind.xml.core.bridge.IImplContainer;
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import org.jbind.xml.core.bridge.ITextImpl;
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import org.jbind.xml.core.content.IElemRefOrDecl;
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import org.jbind.xml.core.data.IAnyTypeData;
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import org.jbind.xml.core.data.IImpl;
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import org.jbind.xml.msg.XmlException;
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public class ElementImpl extends DataImpl implements IElementImpl {
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private ImplList myImplList;
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private AttributeImpls myAttributeImpls;
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private String myDefaultTextContent = null;
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private Map myPrefixToNamespaceMapping = null;
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public ElementImpl(IImplContainer aParent, String aNamespace, String aName, Map aPrefixMapping, ILocation aLocation) {
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super(aParent, aNamespace, aName, aLocation);
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myAttributeImpls = new AttributeImpls(this);
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myImplList = new ImplList(this);
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myPrefixToNamespaceMapping = aPrefixMapping;
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}
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public void accept(IDataImplVisitor aVisitor) throws XmlException {
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aVisitor.visitElementImplStart(this);
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for (Iterator i = myImplList.iterImpls(); i.hasNext(); ) {
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IImpl impl = (IImpl)i.next();
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impl.accept(aVisitor);
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}
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aVisitor.visitElementImplEnd(this);
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}
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public IElementImpl addElement(String aNamespace, String aQName) {
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return myImplList.addElement(aNamespace, aQName);
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}
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public IElementImpl addElement(String aNamespace, String aQName, Map aPrefixMapping, ILocation aLocation) {
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return myImplList.addElement(aNamespace, aQName, aPrefixMapping, aLocation);
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}
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public ListIterator iterChildren() {
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return myImplList.iterImpls();
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}
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public ListIterator iterElementData(final String aNamespace, final String aName) {
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return new TransformingListIterator(new FilterListIterator(myImplList.iterImpls(), new FilterListIterator.Test() {
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public boolean test(Object anObject) {
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if (!(anObject instanceof IElementImpl)) {
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return false;
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}
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IElementImpl e = (IElementImpl)anObject;
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if (e.getData() == null) {
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return false;
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}
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// namespace & name test
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String namespace = null;
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String name = null;
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IElemRefOrDecl elem = e.getData().getSubstitutionHead_();
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if (null != elem) {
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namespace = elem.getNamespace();
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name = elem.getName();
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} else {
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namespace = e.getNamespace();
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name = e.getPartName();
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}
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return ((aNamespace == null) || "*".equals(aNamespace) || aNamespace.equals(namespace)) && ((aName == null) || "*".equals(aName) || aName.equals(name));
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}
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}), new TransformingIterator.ITransformation() {
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public Object transform(Object anObject) {
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return ((IElementImpl)anObject).getData();
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}
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});
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}
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public boolean isNil() {
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boolean res = false;
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IAttributeImpl a = myAttributeImpls.getAttributeImpl(INamespaces.XML_SCHEMA_INSTANCE, "nil");
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if (null != a) {
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res = "true".equals(a.getTextContent());
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}
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return res;
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}
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public IAttributeImpl addAttribute(String aNamespace, String aQName, ITextContentProvider aProvider, boolean anIsDefault, ILocation aLocation) {
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return myAttributeImpls.addAttribute(aNamespace, aQName, aProvider, anIsDefault, aLocation);
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}
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public IAttributeImpl addAttribute(String aNamespace, String aQName, String aValue, boolean anIsDefault, ILocation aLocation) {
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return myAttributeImpls.addAttribute(aNamespace, aQName, aValue, anIsDefault, aLocation);
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}
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public IAnyTypeData getAttributeData(String aNamespace, String aName) {
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IAttributeImpl impl = getAttributeImpl(aNamespace, aName);
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IAnyTypeData res = null;
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if (impl != null) {
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res = impl.getData();
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}
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return res;
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}
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public IAttributeImpl getAttributeImpl(String aNamespace, String aName) {
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return myAttributeImpls.getAttributeImpl(aNamespace, aName);
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}
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public Iterator iterAttributeImpls() {
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return myAttributeImpls.iterImpls();
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}
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public void removeAttribute(String aNamespace, String aName) throws XmlException {
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myAttributeImpls.removeAttribute(aNamespace, aName);
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}
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public void setDefaultAttrCreator(IDefaultAttrCreator aCreator) {
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myAttributeImpls.setDefaultAttrCreator(aCreator);
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}
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public Iterator iterAttributes(final String aNamespace, final String aName) {
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return new TransformingIterator(new FilterIterator(myAttributeImpls.iterImpls(), new FilterIterator.ICondition() {
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public boolean evaluate(Object anObject) {
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IAttributeImpl a = (IAttributeImpl)anObject;
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boolean res = "*".equals(aNamespace) || (null == aNamespace) || aNamespace.equals(a.getNamespace());
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if (res) {
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if (!"*".equals(aName) && (aName != null)) {
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res = aName.equals(a.getPartName());
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}
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}
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return res && (a.getData() != null);
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}
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}), new TransformingIterator.ITransformation() {
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public Object transform(Object anObject) {
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return ((IAttributeImpl)anObject).getData();
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}
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});
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}
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public String getDefaultTextContent() {
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return myDefaultTextContent;
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}
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public void setDefaultTextContent(String aString) {
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myDefaultTextContent = aString;
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}
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public ITextImpl addText(String aText, ILocation aLocation) {
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return myImplList.addText(aText, aLocation);
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}
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public boolean isDefault() {
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return (myDefaultTextContent != null) && !hasTextContent();
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}
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public Map getPrefixToNamespaceMapping() {
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if (myPrefixToNamespaceMapping == null) {
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return Collections.EMPTY_MAP;
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}
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return myPrefixToNamespaceMapping;
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}
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public String getNamespaceForPrefix(String aPrefix) {
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return (String)getPrefixToNamespaceMapping().get(aPrefix);
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}
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public String getPrefixForNamespace(String aNamespace, boolean aCreate) {
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if ((myPrefixToNamespaceMapping == null) && aCreate) {
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myPrefixToNamespaceMapping = new HashMap();
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}
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if (myPrefixToNamespaceMapping != null) {
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for (Iterator i = myPrefixToNamespaceMapping.entrySet().iterator();
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i.hasNext(); ) {
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Map.Entry me = (Map.Entry)i.next();
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if (aNamespace.equals(me.getValue())) {
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return (String)me.getKey();
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}
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}
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if (!aCreate) {
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return null;
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}
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int i = 0;
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while (true) {
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String p = "p" + i++;
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if (!myPrefixToNamespaceMapping.containsKey(p)) {
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myPrefixToNamespaceMapping.put(p, aNamespace);
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return p;
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}
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}
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}
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return null;
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}
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224
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//
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// text content
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//
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0
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public boolean hasTextContent() {
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return !"".equals(getTextContent());
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}
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231
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232
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7
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public ITextContentMemento saveTextContent() {
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233
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7
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return new TextMemento(getTextContent(), null);
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234
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}
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235
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236
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1
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public void restoreTextContent(ITextContentMemento aMemento) {
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237
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1
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TextMemento m = (TextMemento)aMemento;
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238
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1
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setTextContent(m.textContent);
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239
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}
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240
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241
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387
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public String getTextContent() {
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242
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387
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TextCollector collector = new TextCollector();
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243
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387
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String res;
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244
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387
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try {
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245
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387
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accept(collector);
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246
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387
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res = collector.getTextContent();
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247
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} catch (XmlException e) {
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248
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0
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throw new UnexpectedException(e);
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249
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}
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250
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387
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return res;
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251
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}
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252
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253
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12
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public void setTextContent(ITextContentProvider aTextContentProvider) {
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254
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myImplList.clear();
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255
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12
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myImplList.addText(aTextContentProvider, null);
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256
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}
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257
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258
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3
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public void setTextContent(String aString) {
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259
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3
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myImplList.clear();
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260
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3
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if (!"".equals(aString)) {
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261
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3
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myImplList.addText(aString, null);
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262
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}
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263
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}
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264
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265
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private static class TextCollector implements IDataImplVisitor {
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266
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267
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private Stack myStack = new Stack();
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268
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private StringBuffer myBuffer = new StringBuffer();
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269
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387
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public TextCollector() {
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270
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387
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myStack.push(new StringBuffer());
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271
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}
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272
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341
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public void visitTextImpl(ITextImpl anImpl) throws XmlException {
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273
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341
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((StringBuffer)myStack.peek()).append(anImpl.getTextContent());
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274
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}
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275
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394
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public void visitElementImplStart(IElementImpl anImpl) throws XmlException {
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276
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394
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myStack.push(new StringBuffer());
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277
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}
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278
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394
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public void visitElementImplEnd(IElementImpl anImpl) throws XmlException {
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279
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394
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StringBuffer sb = (StringBuffer)myStack.pop();
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280
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394
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if (sb.length() == 0) {
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281
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58
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ElementImpl e = (ElementImpl)anImpl;
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282
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58
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if (e.getDefaultTextContent() != null) {
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283
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30
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sb.append(e.getDefaultTextContent());
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284
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}
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285
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}
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286
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394
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((StringBuffer)myStack.peek()).append(sb.toString());
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287
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}
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288
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387
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public String getTextContent() {
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289
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387
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return myStack.peek().toString();
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290
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}
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291
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}
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292
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}
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293
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