| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.xml.security.utils; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import javax.xml.namespace.NamespaceContext; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| |
| /** |
| */ |
| public class DOMNamespaceContext implements NamespaceContext { |
| |
| private Map<String, String> namespaceMap = new HashMap<String, String>(); |
| |
| public DOMNamespaceContext(Node contextNode) { |
| addNamespaces(contextNode); |
| } |
| |
| public String getNamespaceURI(String arg0) { |
| return namespaceMap.get(arg0); |
| } |
| |
| public String getPrefix(String arg0) { |
| for (Entry<String, String> entry : namespaceMap.entrySet()) { |
| if (entry.getValue().equals(arg0)) { |
| return entry.getKey(); |
| } |
| } |
| return null; |
| } |
| |
| public Iterator<String> getPrefixes(String arg0) { |
| return namespaceMap.keySet().iterator(); |
| } |
| |
| private void addNamespaces(Node element) { |
| if (element.getParentNode() != null) { |
| addNamespaces(element.getParentNode()); |
| } |
| if (element instanceof Element) { |
| Element el = (Element)element; |
| NamedNodeMap map = el.getAttributes(); |
| for (int x = 0; x < map.getLength(); x++) { |
| Attr attr = (Attr)map.item(x); |
| if ("xmlns".equals(attr.getPrefix())) { |
| namespaceMap.put(attr.getLocalName(), attr.getValue()); |
| } |
| } |
| } |
| } |
| } |