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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) 2009, 2013, 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 17. April 2009 by Joerg Schaible
*/
package com.feilong.lib.xstream.converters.extended;
import java.lang.reflect.Field;
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.SingleValueConverter;
import com.feilong.lib.xstream.converters.UnmarshallingContext;
import com.feilong.lib.xstream.core.ClassLoaderReference;
import com.feilong.lib.xstream.io.HierarchicalStreamReader;
import com.feilong.lib.xstream.io.HierarchicalStreamWriter;
import com.feilong.lib.xstream.mapper.DefaultMapper;
import com.feilong.lib.xstream.mapper.Mapper;
/**
* Converts a java.lang.reflect.Field to XML.
*
* @author Jörg Schaible
*/
public class JavaFieldConverter implements Converter{
private final SingleValueConverter javaClassConverter;
private final Mapper mapper;
/**
* Construct a JavaFieldConverter.
*
* @param classLoaderReference
* the reference to the {@link ClassLoader} of the XStream instance
* @since 1.4.5
*/
public JavaFieldConverter(ClassLoaderReference classLoaderReference){
this(new JavaClassConverter(classLoaderReference), new DefaultMapper(classLoaderReference));
}
/**
* @deprecated As of 1.4.5 use {@link #JavaFieldConverter(ClassLoaderReference)}
*/
@Deprecated
public JavaFieldConverter(ClassLoader classLoader){
this(new ClassLoaderReference(classLoader));
}
/**
* Construct a JavaFieldConverter. Depending on the mapper chain the converter will also respect aliases.
*
* @param javaClassConverter
* the converter to use
* @param mapper
* to use
* @since 1.4.5
*/
protected JavaFieldConverter(SingleValueConverter javaClassConverter, Mapper mapper){
this.javaClassConverter = javaClassConverter;
this.mapper = mapper;
}
@Override
public boolean canConvert(Class type){
return type == Field.class;
}
@Override
public void marshal(Object source,HierarchicalStreamWriter writer,MarshallingContext context){
Field field = (Field) source;
Class type = field.getDeclaringClass();
writer.startNode("name");
writer.setValue(mapper.serializedMember(type, field.getName()));
writer.endNode();
writer.startNode("clazz");
writer.setValue(javaClassConverter.toString(type));
writer.endNode();
}
@Override
public Object unmarshal(HierarchicalStreamReader reader,UnmarshallingContext context){
String methodName = null;
String declaringClassName = null;
while ((methodName == null || declaringClassName == null) && reader.hasMoreChildren()){
reader.moveDown();
if (reader.getNodeName().equals("name")){
methodName = reader.getValue();
}else if (reader.getNodeName().equals("clazz")){
declaringClassName = reader.getValue();
}
reader.moveUp();
}
Class declaringClass = (Class) javaClassConverter.fromString(declaringClassName);
try{
return declaringClass.getDeclaredField(mapper.realMember(declaringClass, methodName));
}catch (NoSuchFieldException e){
throw new ConversionException(e);
}
}
}