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1
22 package org.jboss.annotation.factory.javassist;
23
24 import java.lang.reflect.Array  ;
25 import java.lang.reflect.Method ;
26
27 import org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl;
28
29 import javassist.bytecode.annotation.Annotation;
30 import javassist.bytecode.annotation.AnnotationMemberValue;
31 import javassist.bytecode.annotation.ArrayMemberValue;
32 import javassist.bytecode.annotation.BooleanMemberValue;
33 import javassist.bytecode.annotation.ByteMemberValue;
34 import javassist.bytecode.annotation.CharMemberValue;
35 import javassist.bytecode.annotation.ClassMemberValue;
36 import javassist.bytecode.annotation.DoubleMemberValue;
37 import javassist.bytecode.annotation.EnumMemberValue;
38 import javassist.bytecode.annotation.FloatMemberValue;
39 import javassist.bytecode.annotation.IntegerMemberValue;
40 import javassist.bytecode.annotation.LongMemberValue;
41 import javassist.bytecode.annotation.MemberValue;
42 import javassist.bytecode.annotation.MemberValueVisitor;
43 import javassist.bytecode.annotation.ShortMemberValue;
44 import javassist.bytecode.annotation.StringMemberValue;
45
46
51 public class MemberValueGetter implements MemberValueVisitor
52 {
53 Object value;
54 Method method;
55 static IntrospectionTypeInfoFactoryImpl typeFactory = new IntrospectionTypeInfoFactoryImpl();
56
57 public MemberValueGetter(Method method)
58 {
59 this.method = method;
60 }
61
62 public Object getValue()
63 {
64 return value;
65 }
66
67 public void visitAnnotationMemberValue(AnnotationMemberValue node)
68 {
69 try
70 {
71 Annotation ann = node.getValue();
72 value = AnnotationProxy.createProxy(ann);
73 }
74 catch (Exception e)
75 {
76 throw new RuntimeException (e);
77 }
78 }
79
80 public void visitArrayMemberValue(ArrayMemberValue node)
81 {
82 MemberValue[] values = node.getValue();
83 value = node.getValue();
84 Object vals = Array.newInstance(getAttributeType(), values.length);
85
86 for (int i = 0 ; i < values.length ; i++)
87 {
88 values[i].accept(this);
89 Array.set(vals, i, value);
90 }
91
92 value = vals;
93 }
94
95 public void visitBooleanMemberValue(BooleanMemberValue node)
96 {
97 value = new Boolean (node.getValue());
98 }
99
100 public void visitByteMemberValue(ByteMemberValue node)
101 {
102 value = new Byte (node.getValue());
103 }
104
105 public void visitCharMemberValue(CharMemberValue node)
106 {
107 value = new Character (node.getValue());
108 }
109
110 public void visitDoubleMemberValue(DoubleMemberValue node)
111 {
112 value = new Double (node.getValue());
113 }
114
115 @SuppressWarnings ("unchecked")
116 public void visitEnumMemberValue(EnumMemberValue node)
117 {
118 value = Enum.valueOf(getAttributeType(), node.getValue());
119 }
120
121 public void visitFloatMemberValue(FloatMemberValue node)
122 {
123 value = new Float (node.getValue());
124 }
125
126 public void visitIntegerMemberValue(IntegerMemberValue node)
127 {
128 value = new Integer (node.getValue());
129 }
130
131 public void visitLongMemberValue(LongMemberValue node)
132 {
133 value = new Long (node.getValue());
134 }
135
136 public void visitShortMemberValue(ShortMemberValue node)
137 {
138 value = new Short (node.getValue());
139 }
140
141 public void visitStringMemberValue(StringMemberValue node)
142 {
143 value = node.getValue();
144 }
145
146 public void visitClassMemberValue(ClassMemberValue node)
147 {
148 try
149 {
150 value = Class.forName(node.getValue());
151 }
152 catch (ClassNotFoundException e)
153 {
154 throw new RuntimeException (e);
155 }
156 }
157
158 private Class getAttributeType()
159 {
160 Class rtn = method.getReturnType();
161
162 while (rtn.isArray())
163 {
164 rtn = rtn.getComponentType();
165 }
166
167 return rtn;
168 }
169
170 }
171 |
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