- /*
- * Copyright 1999-2004 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.commons.jxpath.ri.model.jdom;
-
- import org.apache.commons.jxpath.ri.QName;
- import org.apache.commons.jxpath.ri.model.NodePointer;
-
- /**
- * Represents a namespace node.
- *
- * @author Dmitri Plotnikov
- * @version $Revision: 1.9 $ $Date: 2004/04/01 02:55:31 $
- */
- public class JDOMNamespacePointer extends NodePointer {
- private String prefix;
- private String namespaceURI;
-
- public JDOMNamespacePointer(NodePointer parent, String prefix) {
- super(parent);
- this.prefix = prefix;
- }
-
- public JDOMNamespacePointer(
- NodePointer parent,
- String prefix,
- String namespaceURI)
- {
- super(parent);
- this.prefix = prefix;
- this.namespaceURI = namespaceURI;
- }
-
- public QName getName() {
- return new QName(prefix);
- }
-
- public Object getBaseValue() {
- return null;
- }
-
- public boolean isCollection() {
- return false;
- }
-
- public int getLength() {
- return 1;
- }
-
- public Object getImmediateNode() {
- return getNamespaceURI();
- }
-
- public String getNamespaceURI() {
- if (namespaceURI == null) {
- namespaceURI = parent.getNamespaceURI(prefix);
- }
- return namespaceURI;
- }
-
- public boolean isLeaf() {
- return true;
- }
-
- /**
- * Throws UnsupportedOperationException.
- */
- public void setValue(Object value) {
- throw new UnsupportedOperationException("Cannot modify a namespace");
- }
-
- public String asPath() {
- StringBuffer buffer = new StringBuffer();
- if (parent != null) {
- buffer.append(parent.asPath());
- if (buffer.length() == 0
- || buffer.charAt(buffer.length() - 1) != '/') {
- buffer.append('/');
- }
- }
- buffer.append("namespace::");
- buffer.append(prefix);
- return buffer.toString();
- }
-
- public int hashCode() {
- return prefix.hashCode();
- }
-
- public boolean equals(Object object) {
- if (object == this) {
- return true;
- }
-
- if (!(object instanceof JDOMNamespacePointer)) {
- return false;
- }
-
- JDOMNamespacePointer other = (JDOMNamespacePointer) object;
- return prefix.equals(other.prefix);
- }
-
- public int compareChildNodePointers(
- NodePointer pointer1,
- NodePointer pointer2)
- {
- // Won't happen - namespaces don't have children
- return 0;
- }
- }