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1 package org.shiftone.cache.config;
2
3
4
5 import org.shiftone.cache.util.Log;
6
7 import java.lang.reflect.InvocationTargetException  ;
8 import java.lang.reflect.Method ;
9 import java.util.HashMap ;
10 import java.util.Map ;
11
12
13
19 public class BeanWrapper
20 {
21
22 private static final Log LOG = new Log(BeanWrapper.class);
23 private final Object object;
24 private final Class klass;
25 private Method [] methods;
26 private Map setters = new HashMap ();
27
28 public BeanWrapper(Object object)
29 {
30
31 this.object = object;
32 this.klass = object.getClass();
33 this.methods = klass.getMethods();
34
35 for (int i = 0; i < methods.length; i++)
36 {
37 Method method = methods[i];
38 String name = method.getName().toLowerCase();
39
40 if ((name.startsWith("set")) && (method.getParameterTypes().length == 1) && (method.getReturnType().equals(Void.TYPE)))
43 {
44 setters.put(name.substring(3), method);
45
46 }
48 }
49 }
50
51
52 public Class getWrappedObjectClass()
53 {
54 return klass;
55 }
56
57
58 public Object getWrappedObject()
59 {
60 return object;
61 }
62
63
64 public Method getSetter(String name) throws NoSuchMethodException
65 {
66
67 Method method = (Method ) setters.get(name.toLowerCase());
68
69 if (method == null)
70 {
71 throw new NoSuchMethodException ("no setter for : " + name);
72 }
73
74 return method;
75 }
76
77
78 public Class getType(String name) throws NoSuchMethodException
79 {
80 return getSetter(name).getParameterTypes()[0];
81 }
82
83
84 public void setProperty(String name, String value) throws NoSuchMethodException , IllegalAccessException , IllegalArgumentException , InvocationTargetException , ClassNotFoundException
85 {
86 setProperty(name, convert(value, getType(name)));
87 }
88
89
90 public void setProperty(String name, Object objectValue) throws NoSuchMethodException , IllegalAccessException , IllegalArgumentException , InvocationTargetException
91 {
92 LOG.debug(klass.getName() + " SET " + name + " -> " + objectValue);
93 getSetter(name).invoke(object, new Object []{ objectValue });
94 }
95
96
97 private Object convert(String val, Class type) throws IllegalArgumentException , ClassNotFoundException
98 {
99
100 String v = val.trim();
101
102 if (val == null)
103 {
104 return null;
105 }
106 else if (Class .class.isAssignableFrom(type))
107 {
108 return Class.forName(val);
109 }
110 else if (String .class.isAssignableFrom(type))
111 {
112 return val;
113 }
114 else if (Integer.TYPE.isAssignableFrom(type) || Integer .class.isAssignableFrom(type))
115 {
116 return new Integer (v);
117 }
118 else if (Long.TYPE.isAssignableFrom(type) || Long .class.isAssignableFrom(type))
119 {
120 return new Long (v);
121 }
122 else if (Boolean.TYPE.isAssignableFrom(type) || Boolean .class.isAssignableFrom(type))
123 {
124 if ("true".equalsIgnoreCase(v))
125 {
126 return Boolean.TRUE;
127 }
128 else if ("false".equalsIgnoreCase(v))
129 {
130 return Boolean.FALSE;
131 }
132 }
133
134 throw new IllegalArgumentException ("unable to convert '" + v + "' to '" + type.getName() + "' on class '" + klass.getName() + "'");
135 }
136 }
137 |
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