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14 package org.eclipse.jetty.util.ajax;
15
16 import java.util.Map;
17
18 import org.eclipse.jetty.util.Loader;
19 import org.eclipse.jetty.util.ajax.JSON.Convertor;
20 import org.eclipse.jetty.util.ajax.JSON.Output;
21
22 public class JSONPojoConvertorFactory implements JSON.Convertor
23 {
24 private JSON _json=null;
25
26 public JSONPojoConvertorFactory(JSON json)
27 {
28 if (json==null)
29 {
30 throw new IllegalArgumentException();
31 }
32 _json=json;
33 }
34
35 public void toJSON(Object obj, Output out)
36 {
37 String clsName=obj.getClass().getName();
38 Convertor convertor=_json.getConvertorFor(clsName);
39 if (convertor==null)
40 {
41 try
42 {
43 Class cls=Loader.loadClass(JSON.class,clsName);
44 convertor=new JSONPojoConvertor(cls);
45 _json.addConvertorFor(clsName, convertor);
46 }
47 catch (ClassNotFoundException e)
48 {
49 e.printStackTrace();
50 }
51 }
52 if (convertor!=null)
53 {
54 convertor.toJSON(obj, out);
55 }
56 }
57
58 public Object fromJSON(Map object)
59 {
60 Map map=object;
61 String clsName=(String)map.get("class");
62 if (clsName!=null)
63 {
64 Convertor convertor=_json.getConvertorFor(clsName);
65 if (convertor==null)
66 {
67 try
68 {
69 Class cls=Loader.loadClass(JSON.class,clsName);
70 convertor=new JSONPojoConvertor(cls);
71 _json.addConvertorFor(clsName, convertor);
72 }
73 catch (ClassNotFoundException e)
74 {
75 e.printStackTrace();
76 }
77 }
78 if (convertor!=null)
79 {
80 return convertor.fromJSON(object);
81 }
82 }
83 return map;
84 }
85 }