| // |
| // ======================================================================== |
| // Copyright (c) 1995-2014 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; |
| } |
| } |