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Anteros Bean Validation for Java.

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/*******************************************************************************
 * Copyright 2012 Anteros Tecnologia
 *  
 * 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.
 *******************************************************************************/
package br.com.anteros.bean.validation.messageinterpolation;

import java.lang.reflect.Method;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import br.com.anteros.el.api.FunctionMapper;

/**
 * @author Hardy Ferentschik
 */
public class MapBasedFunctionMapper extends FunctionMapper {
	private static final String FUNCTION_NAME_SEPARATOR = ":";
	private Map map = Collections.emptyMap();

	@Override
	public Method resolveFunction(String prefix, String localName) {
		return map.get( prefix + FUNCTION_NAME_SEPARATOR + localName );
	}

	public void setFunction(String prefix, String localName, Method method) {
		if ( map.isEmpty() ) {
			map = new HashMap();
		}
		map.put( prefix + FUNCTION_NAME_SEPARATOR + localName, method );
	}
}