/*
* 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.commons.jxpath.ri.model.beans;
import org.apache.commons.jxpath.ri.QName;
import org.apache.commons.jxpath.ri.compiler.NodeTest;
import org.apache.commons.jxpath.ri.model.NodePointer;
/**
* A Pointer that points to the "lang" attribute of a JavaBean. The value
* of the attribute is based on the locale supplied to it in the constructor.
*
* @author Dmitri Plotnikov
* @version $Revision: 652884 $ $Date: 2008-05-02 15:02:00 -0500 (Fri, 02 May 2008) $
*/
public class LangAttributePointer extends NodePointer {
private static final long serialVersionUID = -8665319197100034134L;
/**
* Create a new LangAttributePointer.
* @param parent parent pointer.
*/
public LangAttributePointer(NodePointer parent) {
super(parent);
}
public QName getName() {
return new QName("xml", "lang");
}
public String getNamespaceURI() {
return null;
}
public boolean isCollection() {
return false;
}
public int getLength() {
return 1;
}
public Object getBaseValue() {
return parent.getLocale().toString().replace('_', '-');
}
public Object getImmediateNode() {
return getBaseValue();
}
public boolean isLeaf() {
return true;
}
/**
* {@inheritDoc}
*
* Throws UnsupportedOperationException.
* @param value Object
*/
public void setValue(Object value) {
throw new UnsupportedOperationException(
"Cannot change locale using the 'lang' attribute");
}
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("@xml:lang");
return buffer.toString();
}
public int hashCode() {
return 0;
}
public boolean equals(Object object) {
return object instanceof LangAttributePointer;
}
public boolean testNode(NodeTest test) {
return false;
}
public int compareChildNodePointers(
NodePointer pointer1,
NodePointer pointer2) {
// Won't happen - lang attributes don't have children
return 0;
}
}
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