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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) 2015 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 21.06.2015 by Joerg Schaible
*/
package com.feilong.lib.xstream.converters.extended;
import javax.activation.ActivationDataFlavor;
import com.feilong.lib.xstream.converters.ConversionException;
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 an {@link ActivationDataFlavor}.
*
* @author Jörg Schaible
* @since 1.4.9
*/
public class ActivationDataFlavorConverter implements Converter{
@Override
public boolean canConvert(final Class type){
return type == ActivationDataFlavor.class;
}
@Override
public void marshal(final Object source,final HierarchicalStreamWriter writer,final MarshallingContext context){
final ActivationDataFlavor dataFlavor = (ActivationDataFlavor) source;
final String mimeType = dataFlavor.getMimeType();
if (mimeType != null){
writer.startNode("mimeType");
writer.setValue(mimeType);
writer.endNode();
}
final String name = dataFlavor.getHumanPresentableName();
if (name != null){
writer.startNode("humanRepresentableName");
writer.setValue(name);
writer.endNode();
}
final Class representationClass = dataFlavor.getRepresentationClass();
if (representationClass != null){
writer.startNode("representationClass");
context.convertAnother(representationClass);
writer.endNode();
}
}
@Override
public Object unmarshal(final HierarchicalStreamReader reader,final UnmarshallingContext context){
String mimeType = null;
String name = null;
Class type = null;
while (reader.hasMoreChildren()){
reader.moveDown();
final String elementName = reader.getNodeName();
if (elementName.equals("mimeType")){
mimeType = reader.getValue();
}else if (elementName.equals("humanRepresentableName")){
name = reader.getValue();
}else if (elementName.equals("representationClass")){
type = (Class) context.convertAnother(null, Class.class);
}else{
final ConversionException exception = new ConversionException("Unknown child element");
exception.add("element", reader.getNodeName());
throw exception;
}
reader.moveUp();
}
ActivationDataFlavor dataFlavor = null;
try{
if (type == null){
dataFlavor = new ActivationDataFlavor(mimeType, name);
}else if (mimeType == null){
dataFlavor = new ActivationDataFlavor(type, name);
}else{
dataFlavor = new ActivationDataFlavor(type, mimeType, name);
}
}catch (final IllegalArgumentException ex){
throw new ConversionException(ex);
}catch (final NullPointerException ex){
throw new ConversionException(ex);
}
return dataFlavor;
}
}