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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util.ajax;
import java.util.Map;
import org.eclipse.jetty.util.Loader;
import org.eclipse.jetty.util.ajax.JSON.Convertor;
import org.eclipse.jetty.util.ajax.JSON.Output;
public class JSONPojoConvertorFactory implements JSON.Convertor
{
private final JSON _json;
private final boolean _fromJson;
public JSONPojoConvertorFactory(JSON json)
{
if (json==null)
{
throw new IllegalArgumentException();
}
_json=json;
_fromJson=true;
}
/* ------------------------------------------------------------ */
/**
* @param json The JSON instance to use
* @param fromJSON If true, the class name of the objects is included
* in the generated JSON and is used to instantiate the object when
* JSON is parsed (otherwise a Map is used).
*/
public JSONPojoConvertorFactory(JSON json,boolean fromJSON)
{
if (json==null)
{
throw new IllegalArgumentException();
}
_json=json;
_fromJson=fromJSON;
}
/* ------------------------------------------------------------ */
public void toJSON(Object obj, Output out)
{
String clsName=obj.getClass().getName();
Convertor convertor=_json.getConvertorFor(clsName);
if (convertor==null)
{
try
{
Class cls=Loader.loadClass(JSON.class,clsName);
convertor=new JSONPojoConvertor(cls,_fromJson);
_json.addConvertorFor(clsName, convertor);
}
catch (ClassNotFoundException e)
{
JSON.LOG.warn(e);
}
}
if (convertor!=null)
{
convertor.toJSON(obj, out);
}
}
public Object fromJSON(Map object)
{
Map map=object;
String clsName=(String)map.get("class");
if (clsName!=null)
{
Convertor convertor=_json.getConvertorFor(clsName);
if (convertor==null)
{
try
{
Class cls=Loader.loadClass(JSON.class,clsName);
convertor=new JSONPojoConvertor(cls,_fromJson);
_json.addConvertorFor(clsName, convertor);
}
catch (ClassNotFoundException e)
{
JSON.LOG.warn(e);
}
}
if (convertor!=null)
{
return convertor.fromJSON(object);
}
}
return map;
}
}
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