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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.
/*
* Copyright (C) 2005 Joe Walnes.
* Copyright (C) 2006, 2007, 2008, 2009 XStream Committers.
* All rights reserved.
*
* The software in this package is published under the terms of the BSD
* style license a copy of which has been included with this distribution in
* the LICENSE.txt file.
*
* Created on 22. January 2005 by Joe Walnes
*/
package com.feilong.lib.xstream.mapper;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import com.feilong.lib.xstream.InitializationException;
/**
* Mapper that resolves default implementations of classes. For example,
* mapper.serializedClass(ArrayList.class) will return java.util.List. Calling
* mapper.defaultImplementationOf(List.class) will return ArrayList.
*
* @author Joe Walnes
*/
public class DefaultImplementationsMapper extends MapperWrapper{
private final Map typeToImpl = new HashMap();
private transient Map implToType = new HashMap();
public DefaultImplementationsMapper(Mapper wrapped){
super(wrapped);
addDefaults();
}
protected void addDefaults(){
// null handling
addDefaultImplementation(null, Mapper.Null.class);
// register primitive types
addDefaultImplementation(Boolean.class, boolean.class);
addDefaultImplementation(Character.class, char.class);
addDefaultImplementation(Integer.class, int.class);
addDefaultImplementation(Float.class, float.class);
addDefaultImplementation(Double.class, double.class);
addDefaultImplementation(Short.class, short.class);
addDefaultImplementation(Byte.class, byte.class);
addDefaultImplementation(Long.class, long.class);
}
public void addDefaultImplementation(Class defaultImplementation,Class ofType){
if (defaultImplementation != null && defaultImplementation.isInterface()){
throw new InitializationException("Default implementation is not a concrete class: " + defaultImplementation.getName());
}
typeToImpl.put(ofType, defaultImplementation);
implToType.put(defaultImplementation, ofType);
}
@Override
public String serializedClass(Class type){
Class baseType = (Class) implToType.get(type);
return baseType == null ? super.serializedClass(type) : super.serializedClass(baseType);
}
@Override
public Class defaultImplementationOf(Class type){
if (typeToImpl.containsKey(type)){
return (Class) typeToImpl.get(type);
}else{
return super.defaultImplementationOf(type);
}
}
private Object readResolve(){
implToType = new HashMap();
for (final Iterator iter = typeToImpl.keySet().iterator(); iter.hasNext();){
final Object type = iter.next();
implToType.put(typeToImpl.get(type), type);
}
return this;
}
}