/**
* 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.lucene.gdata.search.analysis;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import javax.xml.xpath.XPathExpressionException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
/**
* @author Simon Willnauer
*
*/
public class IndexableStub extends Indexable {
private String content;
private boolean retNull;
int times = 1;
int count = 0;
IndexableStub() {
super(null);
}
public void returnProxyTimes(int times){
this.times = times;
}
public void setReturnNull(boolean returnNull){
this.retNull = returnNull;
}
public void setReturnValueTextContent(String content){
this.content = content;
}
@Override
public Node applyPath(String xPath) throws XPathExpressionException {
if(xPath == null)
throw new XPathExpressionException("path is null");
if(this.retNull)
return null;
if(times == count)
return null;
times++;
return (Node)Proxy.newProxyInstance(this.getClass().getClassLoader(),new Class[] {Node.class,NamedNodeMap.class},new Handler(this.content));
}
private static class Handler implements InvocationHandler{
String returnValue;
public Handler(String toReturn){
this.returnValue = toReturn;
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if(method.getName().equals("getNextSibling")){
return null;
}
if(method.getReturnType() == String.class)
return this.returnValue;
if(method.getReturnType() == Node.class)
return (Node)Proxy.newProxyInstance(this.getClass().getClassLoader(),new Class[] {Node.class,NamedNodeMap.class},new Handler(this.returnValue));
if(method.getReturnType() == NamedNodeMap.class)
return (NamedNodeMap)Proxy.newProxyInstance(this.getClass().getClassLoader(),new Class[] {Node.class,NamedNodeMap.class},new Handler(this.returnValue));
return null;
}
}
}