/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* 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.
*/
/*
* $Id: FuncContains.java,v 1.2.4.1 2005/09/14 19:53:44 jeffsuttor Exp $
*/
package com.sun.org.apache.xpath.internal.functions;
import com.sun.org.apache.xpath.internal.XPathContext;
import com.sun.org.apache.xpath.internal.objects.XBoolean;
import com.sun.org.apache.xpath.internal.objects.XObject;
/**
* Execute the Contains() function.
* @xsl.usage advanced
*/
public class FuncContains extends Function2Args
{
static final long serialVersionUID = 5084753781887919723L;
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
String s1 = m_arg0.execute(xctxt).str();
String s2 = m_arg1.execute(xctxt).str();
// Add this check for JDK consistency for empty strings.
if (s1.length() == 0 && s2.length() == 0)
return XBoolean.S_TRUE;
int index = s1.indexOf(s2);
return (index > -1) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
}