001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.tools.xjc.reader.internalizer;
038:
039: import java.util.Iterator;
040:
041: import javax.xml.namespace.NamespaceContext;
042:
043: import com.sun.xml.bind.v2.WellKnownNamespace;
044:
045: import org.w3c.dom.Element;
046: import org.w3c.dom.NamedNodeMap;
047: import org.w3c.dom.Node;
048:
049: /**
050: * Implements {@link NamespaceContext} by looking at the in-scope
051: * namespace binding of a DOM element.
052: *
053: * @author Kohsuke Kawaguchi
054: */
055: final class NamespaceContextImpl implements NamespaceContext {
056: private final Element e;
057:
058: public NamespaceContextImpl(Element e) {
059: this .e = e;
060: }
061:
062: /*
063: * Copyright 1999-2004 The Apache Software Foundation.
064: *
065: * Licensed under the Apache License, Version 2.0 (the "License");
066: * you may not use this file except in compliance with the License.
067: * You may obtain a copy of the License at
068: *
069: * http://www.apache.org/licenses/LICENSE-2.0
070: *
071: * Unless required by applicable law or agreed to in writing, software
072: * distributed under the License is distributed on an "AS IS" BASIS,
073: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
074: * See the License for the specific language governing permissions and
075: * limitations under the License.
076: */
077: public String getNamespaceURI(String prefix) {
078: Node parent = e;
079: String namespace = null;
080: final String prefixColon = prefix + ':';
081:
082: if (prefix.equals("xml")) {
083: namespace = WellKnownNamespace.XML_NAMESPACE_URI;
084: } else {
085: int type;
086:
087: while ((null != parent)
088: && (null == namespace)
089: && (((type = parent.getNodeType()) == Node.ELEMENT_NODE) || (type == Node.ENTITY_REFERENCE_NODE))) {
090: if (type == Node.ELEMENT_NODE) {
091: if (parent.getNodeName().startsWith(prefixColon))
092: return parent.getNamespaceURI();
093: NamedNodeMap nnm = parent.getAttributes();
094:
095: for (int i = 0; i < nnm.getLength(); i++) {
096: Node attr = nnm.item(i);
097: String aname = attr.getNodeName();
098: boolean isPrefix = aname.startsWith("xmlns:");
099:
100: if (isPrefix || aname.equals("xmlns")) {
101: int index = aname.indexOf(':');
102: String p = isPrefix ? aname
103: .substring(index + 1) : "";
104:
105: if (p.equals(prefix)) {
106: namespace = attr.getNodeValue();
107:
108: break;
109: }
110: }
111: }
112: }
113:
114: parent = parent.getParentNode();
115: }
116: }
117:
118: if (prefix.equals(""))
119: return ""; // default namespace
120: return namespace;
121: }
122:
123: public String getPrefix(String namespaceURI) {
124: throw new UnsupportedOperationException();
125: }
126:
127: public Iterator getPrefixes(String namespaceURI) {
128: throw new UnsupportedOperationException();
129: }
130: }
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