| /* |
| * 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.axis2.jaxws.message.util.impl; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| |
| import javax.xml.namespace.NamespaceContext; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| /** |
| * Namespace information available at the current scope. Utility class for XMLStreamReaderFromDOM |
| * |
| * @see XMLStreamReaderFromDOM |
| */ |
| public class NamespaceContextFromDOM implements NamespaceContext { |
| |
| private Element element; |
| |
| /** @param element representing the current scope */ |
| NamespaceContextFromDOM(Element element) { |
| this.element = element; |
| } |
| |
| /* (non-Javadoc) |
| * @see javax.xml.namespace.NamespaceContext#getPrefix(java.lang.String) |
| */ |
| public String getPrefix(String namespaceURI) { |
| return element.lookupPrefix(namespaceURI); |
| } |
| |
| /* (non-Javadoc) |
| * @see javax.xml.namespace.NamespaceContext#getPrefixes(java.lang.String) |
| */ |
| public Iterator getPrefixes(String namespaceURI) { |
| if (element instanceof javax.xml.soap.SOAPElement) { |
| Iterator it = ((javax.xml.soap.SOAPElement)element).getVisibleNamespacePrefixes(); |
| ArrayList list = new ArrayList(); |
| while (it.hasNext()) { |
| String prefix = (String)it.next(); |
| if (getNamespaceURI(prefix).equals(namespaceURI)) { |
| if (prefix != null && prefix.length() == 0) { |
| prefix = null; |
| } |
| list.add(prefix); |
| } |
| } |
| return list.iterator(); |
| } else { |
| ArrayList list = new ArrayList(); |
| Node node = element; |
| while (node != null) { |
| if (node instanceof Element) { |
| // Walk the attributes looking for namespace declarations |
| NamedNodeMap attrs = ((Element)node).getAttributes(); |
| for (int i = 0; i < attrs.getLength(); i++) { |
| Attr attr = (Attr)attrs.item(i); |
| if (attr.getNodeValue().equals(namespaceURI)) { |
| String name = attr.getNodeName(); |
| |
| if (name.startsWith("xmlns")) { |
| String prefix = ""; |
| if (name.startsWith("xmlns:")) { |
| prefix = name.substring(6); |
| } |
| // Found a namespace declaration with the prefix. |
| // Make sure this is not overridden by a declaration |
| // in a closer scope. |
| if (!list.contains(prefix) && |
| getNamespaceURI(prefix).equals(namespaceURI)) { |
| list.add(prefix); |
| } |
| } |
| } |
| } |
| } |
| // Pop up to the parent node |
| node = node.getParentNode(); |
| } |
| return list.iterator(); |
| } |
| } |
| |
| public String getNamespaceURI(String prefix) { |
| return element.lookupNamespaceURI(prefix); |
| } |
| |
| } |