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1
7 package org.jboss.xb.binding.metadata.unmarshalling.impl;
8
9 import org.jboss.xb.binding.metadata.unmarshalling.AttributeBinding;
10 import org.jboss.xb.binding.JBossXBRuntimeException;
11
12 import javax.xml.namespace.QName  ;
13 import java.lang.reflect.Field ;
14 import java.lang.reflect.Method ;
15
16
20 public class AttributeBindingImpl
21 implements AttributeBinding
22 {
23 private final QName attributeName;
24 private final Class javaType;
25 private final Field field;
26 private final Method getter;
27 private final Method setter;
28 private final Class fieldType;
29
30 public AttributeBindingImpl(QName attributeName, Class javaType, Class parentClass, String fieldName)
31 {
32 this.attributeName = attributeName;
33
34 Field field = null;
35 Method getter = null;
36 Method setter = null;
37
38 if(fieldName != null)
39 {
40 try
41 {
42 field = parentClass.getField(fieldName);
43 }
44 catch(NoSuchFieldException e)
45 {
46 String baseMethodName = Character.toUpperCase(fieldName.charAt(0)) + fieldName.substring(1);
47 try
48 {
49 getter = parentClass.getMethod("get" + baseMethodName, null);
50 setter = parentClass.getMethod("set" + baseMethodName, new Class []{getter.getReturnType()});
51 }
52 catch(NoSuchMethodException e1)
53 {
54 throw new JBossXBRuntimeException("Failed to bind attribute " +
55 attributeName +
56 ": neither field nor getter/setter were found for field " +
57 fieldName +
58 " in " +
59 parentClass
60 );
61 }
62 }
63 }
64
65 this.field = field;
66 this.getter = getter;
67 this.setter = setter;
68
69 fieldType = field == null ? (getter == null ? null : getter.getReturnType()) : field.getType();
70 if(fieldType == null)
71 {
72 throw new JBossXBRuntimeException("Failed to bind attribute " +
73 attributeName +
74 " to field " +
75 fieldName +
76 " in " +
77 parentClass +
78 ": failed to resolve field's type."
79 );
80 }
81
82 this.javaType = javaType == null ? fieldType : javaType;
83 }
84
85 public QName getAttributeName()
86 {
87 return attributeName;
88 }
89
90 public Class getJavaType()
91 {
92 return javaType;
93 }
94
95 public Field getField()
96 {
97 return field;
98 }
99
100 public Method getGetter()
101 {
102 return getter;
103 }
104
105 public Method getSetter()
106 {
107 return setter;
108 }
109
110 public Class getFieldType()
111 {
112 return fieldType;
113 }
114 }
115 |
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