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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) 2004, 2005, 2006 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 15. March 2004 by Joe Walnes
*/
package com.feilong.lib.xstream.core;
import com.feilong.lib.xstream.converters.ConverterLookup;
import com.feilong.lib.xstream.io.HierarchicalStreamWriter;
import com.feilong.lib.xstream.io.path.Path;
import com.feilong.lib.xstream.mapper.Mapper;
public class ReferenceByIdMarshaller extends AbstractReferenceMarshaller{
private final IDGenerator idGenerator;
public static interface IDGenerator{
String next(Object item);
}
public ReferenceByIdMarshaller(HierarchicalStreamWriter writer, ConverterLookup converterLookup, Mapper mapper,
IDGenerator idGenerator){
super(writer, converterLookup, mapper);
this.idGenerator = idGenerator;
}
public ReferenceByIdMarshaller(HierarchicalStreamWriter writer, ConverterLookup converterLookup, Mapper mapper){
this(writer, converterLookup, mapper, new SequenceGenerator(1));
}
@Override
protected String createReference(Path currentPath,Object existingReferenceKey){
return existingReferenceKey.toString();
}
@Override
protected Object createReferenceKey(Path currentPath,Object item){
return idGenerator.next(item);
}
@Override
protected void fireValidReference(Object referenceKey){
String attributeName = getMapper().aliasForSystemAttribute("id");
if (attributeName != null){
writer.addAttribute(attributeName, referenceKey.toString());
}
}
}