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1
48
49 package com.caucho.hessian.io;
50
51 import java.io.IOException  ;
52 import java.lang.reflect.Method ;
53
54
57 public class EnumDeserializer extends AbstractDeserializer {
58 private Class _enumType;
59 private Method _valueOf;
60
61 public EnumDeserializer(Class cl)
62 {
63 try {
64 _enumType = cl;
65 _valueOf = cl.getMethod("valueOf",
66 new Class [] { Class .class, String .class });
67 } catch (Exception e) {
68 throw new RuntimeException (e);
69 }
70 }
71
72 public Class getType()
73 {
74 return _enumType;
75 }
76
77 public Object readMap(AbstractHessianInput in)
78 throws IOException
79 {
80 String name = null;
81
82 while (! in.isEnd()) {
83 String key = in.readString();
84
85 if (key.equals("name"))
86 name = in.readString();
87 else
88 in.readObject();
89 }
90
91 in.readMapEnd();
92
93 Object obj = create(name);
94
95 in.addRef(obj);
96
97 return obj;
98 }
99
100 public Object readObject(AbstractHessianInput in, String []fieldNames)
101 throws IOException
102 {
103 String name = null;
104
105 for (int i = 0; i < fieldNames.length; i++) {
106 if ("name".equals(fieldNames[i]))
107 name = in.readString();
108 else
109 in.readObject();
110 }
111
112 Object obj = create(name);
113
114 in.addRef(obj);
115
116 return obj;
117 }
118
119 private Object create(String name)
120 throws IOException
121 {
122 if (name == null)
123 throw new IOException (_enumType.getName() + " expects name.");
124
125 try {
126 return _valueOf.invoke(null, _enumType, name);
127 } catch (Exception e) {
128 throw new IOExceptionWrapper(e);
129 }
130 }
131 }
132 |
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