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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

functionmapper, functionmapper, functionmapperfactory, functionmapperfactory, functionmapperimpl, functionmapperimpl, method, method, nullpointerexception, reflection, string

The Tomcat source code

 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.el.lang;

import java.lang.reflect.Method;

import javax.el.FunctionMapper;

 * @author Jacob Hookom []
 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: markt $
public class FunctionMapperFactory extends FunctionMapper {

    protected FunctionMapperImpl memento = null;
    protected FunctionMapper target;
    public FunctionMapperFactory(FunctionMapper mapper) {
        if (mapper == null) {
            throw new NullPointerException("FunctionMapper target cannot be null");
        } = mapper;
    /* (non-Javadoc)
     * @see javax.el.FunctionMapper#resolveFunction(java.lang.String, java.lang.String)
    public Method resolveFunction(String prefix, String localName) {
        if (this.memento == null) {
            this.memento = new FunctionMapperImpl();
        Method m =, localName);
        if (m != null) {
            this.memento.addFunction(prefix, localName, m);
        return m;
    public FunctionMapper create() {
        return this.memento;


Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat source code file:

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