| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed 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.cocoon.util.jxpath; |
| |
| import org.apache.cocoon.xml.NamespacesTable; |
| import org.apache.commons.jxpath.ri.QName; |
| import org.apache.commons.jxpath.ri.model.NodeIterator; |
| import org.apache.commons.jxpath.ri.model.NodePointer; |
| |
| /** |
| * A JXPath <code>Pointer</code> that tracks namespaces defined by a {@link NamespacesTable}. |
| * This class is to be used to inform JXPath of the namespaces declared in a host environment |
| * (e.g. JXTemplateGenerator) using |
| * <a href="http://jakarta.apache.org/commons/jxpath/apidocs/org/apache/commons/jxpath/JXPathContext.html#setNamespaceContextPointer(org.apache.commons.jxpath.Pointer)">JXPathContext.setNamespaceContextPointer()</a>. |
| * |
| * @since 2.1.8 |
| * @version $Id$ |
| */ |
| public class NamespacesTablePointer extends NodePointer { |
| |
| private NamespacesTable namespaces; |
| |
| public NamespacesTablePointer(NamespacesTable namespaces) { |
| super(null); |
| this.namespaces = namespaces; |
| } |
| |
| public String getNamespaceURI(String prefix) { |
| return namespaces.getUri(prefix); |
| } |
| |
| protected String getDefaultNamespaceURI() { |
| return namespaces.getUri(""); |
| } |
| |
| public NodeIterator namespaceIterator() { |
| return null; |
| } |
| |
| //------------------------------------------------------------------------- |
| // Dummy implementation of abstract methods |
| //------------------------------------------------------------------------- |
| |
| public boolean isLeaf() { |
| return true; |
| } |
| |
| public boolean isCollection() { |
| return false; |
| } |
| |
| public int getLength() { |
| return 0; |
| } |
| |
| public QName getName() { |
| return null; |
| } |
| |
| public Object getBaseValue() { |
| return null; |
| } |
| |
| public Object getImmediateNode() { |
| return null; |
| } |
| |
| public void setValue(Object value) { |
| // ignore |
| } |
| |
| public int compareChildNodePointers(NodePointer arg0, NodePointer arg1) { |
| return -1; |
| } |
| } |