|
1
35 package groovy.lang;
36
37
44 public class MetaBeanProperty extends MetaProperty {
45
46 private MetaMethod getter;
47 private MetaMethod setter;
48
49 public MetaBeanProperty(String  name, Class type, MetaMethod getter, MetaMethod setter) {
50 super(name, type);
51 this.getter = getter;
52 this.setter = setter;
53 }
54
55
59 public Object getProperty(Object object) throws Exception {
60 if (getter == null) {
61 throw new GroovyRuntimeException("Cannot read write-only property: " + name);
63 }
64 return getter.invoke(object, MetaClass.EMPTY_ARRAY);
65 }
66
67
74 public void setProperty(Object object, Object newValue) {
75 if(setter == null) {
76 throw new GroovyRuntimeException("Cannot set read-only property: " + name);
77 }
78
79 try {
80 if(getType() == String .class && !(newValue instanceof String ))
82 newValue = newValue.toString();
83
84 if (newValue instanceof java.math.BigDecimal ) {
86 if (getType() == Double .class)
87 newValue = new Double (((java.math.BigDecimal ) newValue).doubleValue());
88 else if (getType() == Float .class)
89 newValue = new Float (((java.math.BigDecimal ) newValue).floatValue());
90 else if (getType() == Long .class)
91 newValue = new Long (((java.math.BigDecimal ) newValue).longValue());
92 else if (getType() == Integer .class)
93 newValue = new Integer (((java.math.BigDecimal ) newValue).intValue());
94 else if (getType() == Short .class)
95 newValue = new Short ((short) ((java.math.BigDecimal ) newValue).intValue());
96 else if (getType() == Byte .class)
97 newValue = new Byte ((byte) ((java.math.BigDecimal ) newValue).intValue());
98 else if (getType() == Character .class)
99 newValue = new Character ((char) ((java.math.BigDecimal ) newValue).intValue());
100 }
101 else if (newValue instanceof java.math.BigInteger ) {
102 if (getType() == Long .class)
103 newValue = new Long (((java.math.BigInteger ) newValue).longValue());
104 else if (getType() == Integer .class)
105 newValue = new Integer (((java.math.BigInteger ) newValue).intValue());
106 else if (getType() == Short .class)
107 newValue = new Short ((short) ((java.math.BigInteger ) newValue).intValue());
108 else if (getType() == Byte .class)
109 newValue = new Byte ((byte) ((java.math.BigInteger ) newValue).intValue());
110 else if (getType() == Character .class)
111 newValue = new Character ((char) ((java.math.BigInteger ) newValue).intValue());
112 }
113 else if (newValue instanceof java.lang.Long ) {
114 if (getType() == Integer .class)
115 newValue = new Integer (((Long ) newValue).intValue());
116 else if (getType() == Short .class)
117 newValue = new Short (((Long ) newValue).shortValue());
118 else if (getType() == Byte .class)
119 newValue = new Byte (((Long ) newValue).byteValue());
120 else if (getType() == Character .class)
121 newValue = new Character ((char) ((Long ) newValue).intValue());
122 }
123 else if (newValue instanceof java.lang.Integer ) {
124 if (getType() == Short .class)
125 newValue = new Short (((Integer ) newValue).shortValue());
126 else if (getType() == Byte .class)
127 newValue = new Byte (((Integer ) newValue).byteValue());
128 else if (getType() == Character .class)
129 newValue = new Character ((char) ((Integer ) newValue).intValue());
130 }
131
132 setter.invoke(object, new Object [] { newValue });
133 }
134 catch(Exception e) {
135 throw new GroovyRuntimeException("Cannot set property: " + name +
136 " reason: " + e.getMessage(), e);
137 }
138 }
139
140 public MetaMethod getGetter() {
141 return getter;
142 }
143
144 public MetaMethod getSetter() {
145 return setter;
146 }
147
148
151 void setGetter(MetaMethod getter) {
152 this.getter = getter;
153 }
154
155
158 void setSetter(MetaMethod setter) {
159 this.setter = setter;
160 }
161 }
162 |
Popular Tags |
Java API By Example, From Geeks To Geeks.