/***

 * ASM: a very small and fast Java bytecode manipulation framework

 * Copyright (c) 2000-2011 INRIA, France Telecom

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the copyright holders nor the names of its

 *    contributors may be used to endorse or promote products derived from

 *    this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

 * THE POSSIBILITY OF SUCH DAMAGE.

 */

package org.objectweb.asm.commons;

import java.util.Collections;

import java.util.Map;

/**

 * A {@link Remapper} using a {@link Map} to define its mapping.

 *

 * @author Eugene Kuleshov

 */

public class SimpleRemapper extends Remapper {

    private final Map<String, String> mapping;

    public SimpleRemapper(Map<String, String> mapping) {

        this.mapping = mapping;

    }

    public SimpleRemapper(String oldName, String newName) {

        this.mapping = Collections.singletonMap(oldName, newName);

    }

    @Override

    public String mapMethodName(String owner, String name, String desc) {

        String s = map(owner + '.' + name + desc);

        return s == null ? name : s;

    }

    @Override

    public String mapInvokeDynamicMethodName(String name, String desc) {

        String s = map('.' + name + desc);

        return s == null ? name : s;

    }

    @Override

    public String mapFieldName(String owner, String name, String desc) {

        String s = map(owner + '.' + name);

        return s == null ? name : s;

    }

    @Override

    public String map(String key) {

        return mapping.get(key);

    }

}