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// ASM: a very small and fast Java bytecode manipulation framework
// Copyright (c) 2000-2011 INRIA, France Telecom
// All rights reserved.
//
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// modification, are permitted provided that the following conditions
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// 2. Redistributions in binary form must reproduce the above copyright
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// documentation and/or other materials provided with the distribution.
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// this software without specific prior written permission.
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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 mapping;
/**
* Constructs a new {@link SimpleRemapper} with the given mapping.
*
* @param mapping a map specifying a remapping as follows:
*
* - for method names, the key is the owner, name and descriptor of the method (in the
* form <owner>.<name><descriptor>), and the value is the new method
* name.
*
- for invokedynamic method names, the key is the name and descriptor of the method (in
* the form .<name><descriptor>), and the value is the new method name.
*
- for field names, the key is the owner and name of the field (in the form
* <owner>.<name>), and the value is the new field name.
*
- for internal names, the key is the old internal name, and the value is the new
* internal name.
*
*/
public SimpleRemapper(final Map mapping) {
this.mapping = mapping;
}
/**
* Constructs a new {@link SimpleRemapper} with the given mapping.
*
* @param oldName the key corresponding to a method, field or internal name (see {@link
* SimpleRemapper(Map)} for the format of these keys).
* @param newName the new method, field or internal name.
*/
public SimpleRemapper(final String oldName, final String newName) {
this.mapping = Collections.singletonMap(oldName, newName);
}
@Override
public String mapMethodName(final String owner, final String name, final String descriptor) {
String remappedName = map(owner + '.' + name + descriptor);
return remappedName == null ? name : remappedName;
}
@Override
public String mapInvokeDynamicMethodName(final String name, final String descriptor) {
String remappedName = map('.' + name + descriptor);
return remappedName == null ? name : remappedName;
}
@Override
public String mapFieldName(final String owner, final String name, final String descriptor) {
String remappedName = map(owner + '.' + name);
return remappedName == null ? name : remappedName;
}
@Override
public String map(final String key) {
return mapping.get(key);
}
}