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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) 2003, 2004, 2005 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 03. October 2003 by Joe Walnes
*/
package com.feilong.lib.xstream.converters.collections;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
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;
import com.feilong.lib.xstream.mapper.Mapper;
/**
* Converts an array of objects or primitives to XML, using
* a nested child element for each item.
*
* @author Joe Walnes
*/
public class ArrayConverter extends AbstractCollectionConverter{
public ArrayConverter(Mapper mapper){
super(mapper);
}
@Override
public boolean canConvert(Class type){
return type != null && type.isArray();
}
@Override
public void marshal(Object source,HierarchicalStreamWriter writer,MarshallingContext context){
int length = Array.getLength(source);
for (int i = 0; i < length; i++){
final Object item = Array.get(source, i);
writeCompleteItem(item, context, writer);
}
}
@Override
public Object unmarshal(HierarchicalStreamReader reader,UnmarshallingContext context){
// read the items from xml into a list
List items = new ArrayList();
while (reader.hasMoreChildren()){
final Object item = readCompleteItem(reader, context, null); // TODO: arg, what should replace null?
items.add(item);
}
// now convertAnother the list into an array
// (this has to be done as a separate list as the array size is not
// known until all items have been read)
Object array = Array.newInstance(context.getRequiredType().getComponentType(), items.size());
int i = 0;
for (Iterator iterator = items.iterator(); iterator.hasNext();){
Array.set(array, i++, iterator.next());
}
return array;
}
}