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The private implementation classes of the Apache MyFaces Core JSF-2.0 Implementation
/*
* 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.myfaces.view.facelets.tag.jstl.fn;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.view.facelets.TagConfig;
import javax.faces.view.facelets.TagHandler;
import org.apache.myfaces.view.facelets.tag.TagLibrary;
/**
* Library for JSTL Functions
*
* @author Jacob Hookom
* @version $Id: JstlFnLibrary.java,v 1.3 2008/07/13 19:01:51 rlubke Exp $
*/
public class JstlFnLibrary implements TagLibrary
{
public final static String Namespace = "http://java.sun.com/jsp/jstl/functions";
private final Map fns = new HashMap();
public JstlFnLibrary()
{
super();
try
{
Method[] methods = JstlFunction.class.getMethods();
for (int i = 0; i < methods.length; i++)
{
if (Modifier.isStatic(methods[i].getModifiers()))
{
fns.put(methods[i].getName(), methods[i]);
}
}
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
public boolean containsNamespace(String ns)
{
return Namespace.equals(ns);
}
public boolean containsTagHandler(String ns, String localName)
{
return false;
}
public TagHandler createTagHandler(String ns, String localName, TagConfig tag) throws FacesException
{
return null;
}
public boolean containsFunction(String ns, String name)
{
if (Namespace.equals(ns))
{
return this.fns.containsKey(name);
}
return false;
}
public Method createFunction(String ns, String name)
{
if (Namespace.equals(ns))
{
return (Method) this.fns.get(name);
}
return null;
}
}