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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 Joe Walnes.
* Copyright (C) 2006, 2007, 2018 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 07. March 2004 by Joe Walnes
*/
package com.feilong.lib.xstream.converters.collections;
import java.util.BitSet;
import java.util.StringTokenizer;
import com.feilong.lib.xstream.converters.Converter;
import com.feilong.lib.xstream.converters.MarshallingContext;
import com.feilong.lib.xstream.converters.UnmarshallingContext;
import com.feilong.lib.xstream.io.HierarchicalStreamReader;
import com.feilong.lib.xstream.io.HierarchicalStreamWriter;
/**
* Converts a java.util.BitSet to XML, as a compact
* comma delimited list of ones and zeros.
*
* @author Joe Walnes
*/
public class BitSetConverter implements Converter{
@Override
public boolean canConvert(Class type){
return type == BitSet.class;
}
@Override
public void marshal(Object source,HierarchicalStreamWriter writer,MarshallingContext context){
BitSet bitSet = (BitSet) source;
StringBuffer buffer = new StringBuffer();
boolean seenFirst = false;
for (int i = 0; i < bitSet.length(); i++){
if (bitSet.get(i)){
if (seenFirst){
buffer.append(',');
}else{
seenFirst = true;
}
buffer.append(i);
}
}
writer.setValue(buffer.toString());
}
@Override
public Object unmarshal(HierarchicalStreamReader reader,UnmarshallingContext context){
BitSet result = new BitSet();
StringTokenizer tokenizer = new StringTokenizer(reader.getValue(), ",", false);
while (tokenizer.hasMoreTokens()){
int index = Integer.parseInt(tokenizer.nextToken());
result.set(index);
}
return result;
}
}