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353 lines
12 KiB
353 lines
12 KiB
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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/*
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* Copyright 1999-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.sun.org.apache.xerces.internal.dom;
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import com.sun.org.apache.xerces.internal.impl.dv.xs.XSSimpleTypeDecl;
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import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
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import com.sun.org.apache.xerces.internal.xs.XSSimpleTypeDefinition;
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import org.w3c.dom.DOMException;
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/**
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* AttrNSImpl inherits from AttrImpl and adds namespace support.
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* <P>
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* The qualified name is the node name, and we store localName which is also
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* used in all queries. On the other hand we recompute the prefix when
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* necessary.
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*
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* @xerces.internal
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*
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* @author Arnaud Le Hors, IBM
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* @author Andy Clark, IBM
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* @author Ralf Pfeiffer, IBM
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* @version $Id: AttrNSImpl.java,v 1.7 2010-11-01 04:39:37 joehw Exp $
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*/
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public class AttrNSImpl
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extends AttrImpl {
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//
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// Constants
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//
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/** Serialization version. */
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static final long serialVersionUID = -781906615369795414L;
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static final String xmlnsURI = "http://www.w3.org/2000/xmlns/";
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static final String xmlURI = "http://www.w3.org/XML/1998/namespace";
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//
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// Data
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//
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/** DOM2: Namespace URI. */
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protected String namespaceURI;
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/** DOM2: localName. */
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protected String localName;
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/*
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* Default constructor
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*/
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public AttrNSImpl(){}
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/**
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* DOM2: Constructor for Namespace implementation.
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*/
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protected AttrNSImpl(CoreDocumentImpl ownerDocument,
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String namespaceURI,
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String qualifiedName) {
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super(ownerDocument, qualifiedName);
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setName(namespaceURI, qualifiedName);
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}
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private void setName(String namespaceURI, String qname){
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CoreDocumentImpl ownerDocument = ownerDocument();
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String prefix;
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// DOM Level 3: namespace URI is never empty string.
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this.namespaceURI = namespaceURI;
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if (namespaceURI !=null) {
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this.namespaceURI = (namespaceURI.length() == 0)? null
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: namespaceURI;
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}
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int colon1 = qname.indexOf(':');
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int colon2 = qname.lastIndexOf(':');
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ownerDocument.checkNamespaceWF(qname, colon1, colon2);
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if (colon1 < 0) {
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// there is no prefix
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localName = qname;
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if (ownerDocument.errorChecking) {
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ownerDocument.checkQName(null, localName);
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if (qname.equals("xmlns") && (namespaceURI == null
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|| !namespaceURI.equals(NamespaceContext.XMLNS_URI))
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|| (namespaceURI!=null && namespaceURI.equals(NamespaceContext.XMLNS_URI)
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&& !qname.equals("xmlns"))) {
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String msg =
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DOMMessageFormatter.formatMessage(
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DOMMessageFormatter.DOM_DOMAIN,
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"NAMESPACE_ERR",
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null);
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throw new DOMException(DOMException.NAMESPACE_ERR, msg);
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}
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}
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}
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else {
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prefix = qname.substring(0, colon1);
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localName = qname.substring(colon2+1);
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ownerDocument.checkQName(prefix, localName);
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ownerDocument.checkDOMNSErr(prefix, namespaceURI);
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}
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}
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// when local name is known
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public AttrNSImpl(CoreDocumentImpl ownerDocument,
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String namespaceURI,
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String qualifiedName,
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String localName) {
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super(ownerDocument, qualifiedName);
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this.localName = localName;
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this.namespaceURI = namespaceURI;
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}
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// for DeferredAttrImpl
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protected AttrNSImpl(CoreDocumentImpl ownerDocument,
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String value) {
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super(ownerDocument, value);
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}
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// Support for DOM Level 3 renameNode method.
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// Note: This only deals with part of the pb. It is expected to be
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// called after the Attr has been detached for one thing.
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// CoreDocumentImpl does all the work.
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void rename(String namespaceURI, String qualifiedName) {
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if (needsSyncData()) {
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synchronizeData();
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}
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this.name = qualifiedName;
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setName(namespaceURI, qualifiedName);
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}
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/**
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* NON-DOM: resets this node and sets specified values for the node
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*
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* @param ownerDocument
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* @param namespaceURI
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* @param qualifiedName
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* @param localName
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*/
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public void setValues (CoreDocumentImpl ownerDocument,
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String namespaceURI,
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String qualifiedName,
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String localName){
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super.textNode = null;
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super.flags = 0;
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isSpecified(true);
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hasStringValue(true);
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super.setOwnerDocument(ownerDocument);
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this.localName = localName;
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this.namespaceURI = namespaceURI;
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super.name = qualifiedName;
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super.value = null;
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}
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//
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// DOM2: Namespace methods
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//
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/**
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* Introduced in DOM Level 2. <p>
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*
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* The namespace URI of this node, or null if it is unspecified.<p>
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*
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* This is not a computed value that is the result of a namespace lookup
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* based on an examination of the namespace declarations in scope. It is
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* merely the namespace URI given at creation time.<p>
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*
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* For nodes created with a DOM Level 1 method, such as createElement
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* from the Document interface, this is null.
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* @since WD-DOM-Level-2-19990923
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*/
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public String getNamespaceURI()
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{
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if (needsSyncData()) {
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synchronizeData();
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}
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// REVIST: This code could/should be done at a lower-level, such that
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// the namespaceURI is set properly upon creation. However, there still
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// seems to be some DOM spec interpretation grey-area.
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return namespaceURI;
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}
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/**
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* Introduced in DOM Level 2. <p>
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*
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* The namespace prefix of this node, or null if it is unspecified. <p>
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*
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* For nodes created with a DOM Level 1 method, such as createElement
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* from the Document interface, this is null. <p>
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*
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* @since WD-DOM-Level-2-19990923
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*/
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public String getPrefix()
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{
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if (needsSyncData()) {
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synchronizeData();
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}
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int index = name.indexOf(':');
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return index < 0 ? null : name.substring(0, index);
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}
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/**
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* Introduced in DOM Level 2. <p>
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*
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* Note that setting this attribute changes the nodeName attribute, which
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* holds the qualified name, as well as the tagName and name attributes of
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* the Element and Attr interfaces, when applicable.<p>
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*
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* @param prefix The namespace prefix of this node, or null(empty string) if it is unspecified.
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*
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* @exception INVALID_CHARACTER_ERR
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* Raised if the specified
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* prefix contains an invalid character.
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* @exception DOMException
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* @since WD-DOM-Level-2-19990923
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*/
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public void setPrefix(String prefix)
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throws DOMException
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{
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if (needsSyncData()) {
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synchronizeData();
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}
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if (ownerDocument().errorChecking) {
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if (isReadOnly()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null);
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, msg);
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}
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if (prefix != null && prefix.length() != 0) {
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if (!CoreDocumentImpl.isXMLName(prefix,ownerDocument().isXML11Version())) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INVALID_CHARACTER_ERR", null);
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throw new DOMException(DOMException.INVALID_CHARACTER_ERR, msg);
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}
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if (namespaceURI == null || prefix.indexOf(':') >=0) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NAMESPACE_ERR", null);
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throw new DOMException(DOMException.NAMESPACE_ERR, msg);
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}
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if (prefix.equals("xmlns")) {
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if (!namespaceURI.equals(xmlnsURI)){
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NAMESPACE_ERR", null);
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throw new DOMException(DOMException.NAMESPACE_ERR, msg);
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}
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} else if (prefix.equals("xml")) {
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if (!namespaceURI.equals(xmlURI)) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NAMESPACE_ERR", null);
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throw new DOMException(DOMException.NAMESPACE_ERR, msg);
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}
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}else if (name.equals("xmlns")) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NAMESPACE_ERR", null);
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throw new DOMException(DOMException.NAMESPACE_ERR, msg);
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}
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}
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}
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// update node name with new qualifiedName
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if (prefix !=null && prefix.length() != 0) {
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name = prefix + ":" + localName;
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}
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else {
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name = localName;
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}
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}
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/**
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* Introduced in DOM Level 2. <p>
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*
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* Returns the local part of the qualified name of this node.
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* @since WD-DOM-Level-2-19990923
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*/
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public String getLocalName()
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{
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if (needsSyncData()) {
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synchronizeData();
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}
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return localName;
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}
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/**
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* @see org.w3c.dom.TypeInfo#getTypeName()
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*/
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public String getTypeName() {
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if (type !=null){
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if (type instanceof XSSimpleTypeDecl){
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return ((XSSimpleTypeDecl)type).getName();
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}
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return (String)type;
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}
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return null;
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}
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/**
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* Introduced in DOM Level 3. <p>
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* Checks if a type is derived from another by restriction. See:
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* http://www.w3.org/TR/DOM-Level-3-Core/core.html#TypeInfo-isDerivedFrom
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*
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* @param ancestorNS
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* The namspace of the ancestor type declaration
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* @param ancestorName
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* The name of the ancestor type declaration
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* @param type
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* The reference type definition
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*
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* @return boolean True if the type is derived by restriciton for the
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* reference type
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*/
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public boolean isDerivedFrom(String typeNamespaceArg,
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String typeNameArg,
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int derivationMethod) {
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if (type != null) {
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if (type instanceof XSSimpleTypeDecl) {
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return ((XSSimpleTypeDecl) type).isDOMDerivedFrom(
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typeNamespaceArg, typeNameArg, derivationMethod);
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}
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}
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return false;
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}
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/**
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* @see org.w3c.dom.TypeInfo#getTypeNamespace()
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*/
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public String getTypeNamespace() {
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if (type !=null) {
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if (type instanceof XSSimpleTypeDecl){
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return ((XSSimpleTypeDecl)type).getNamespace();
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}
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return DTD_URI;
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}
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return null;
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}
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}
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