| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
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| * |
| * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
| */ |
| |
| package com.sun.tools.internal.xjc.reader.internalizer; |
| |
| import java.util.Iterator; |
| import javax.xml.XMLConstants; |
| import javax.xml.namespace.NamespaceContext; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| |
| /** |
| * Implements {@link NamespaceContext} by looking at the in-scope |
| * namespace binding of a DOM element. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| final class NamespaceContextImpl implements NamespaceContext { |
| private final Element e; |
| |
| public NamespaceContextImpl(Element e) { |
| this.e = e; |
| } |
| |
| public String getNamespaceURI(String prefix) { |
| Node parent = e; |
| String namespace = null; |
| final String prefixColon = prefix + ':'; |
| |
| if (prefix.equals("xml")) { |
| namespace = XMLConstants.XML_NS_URI; |
| } else { |
| int type; |
| |
| while ((null != parent) && (null == namespace) |
| && (((type = parent.getNodeType()) == Node.ELEMENT_NODE) |
| || (type == Node.ENTITY_REFERENCE_NODE))) { |
| if (type == Node.ELEMENT_NODE) { |
| if (parent.getNodeName().startsWith(prefixColon)) |
| return parent.getNamespaceURI(); |
| NamedNodeMap nnm = parent.getAttributes(); |
| |
| for (int i = 0; i < nnm.getLength(); i++) { |
| Node attr = nnm.item(i); |
| String aname = attr.getNodeName(); |
| boolean isPrefix = aname.startsWith("xmlns:"); |
| |
| if (isPrefix || aname.equals("xmlns")) { |
| int index = aname.indexOf(':'); |
| String p = isPrefix ? aname.substring(index + 1) : ""; |
| |
| if (p.equals(prefix)) { |
| namespace = attr.getNodeValue(); |
| |
| break; |
| } |
| } |
| } |
| } |
| |
| parent = parent.getParentNode(); |
| } |
| } |
| |
| if(prefix.equals("")) |
| return ""; // default namespace |
| return namespace; |
| } |
| |
| public String getPrefix(String namespaceURI) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Iterator getPrefixes(String namespaceURI) { |
| throw new UnsupportedOperationException(); |
| } |
| } |