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1
9 package org.jboss.portal.setup.util;
10
11
12 import java.lang.reflect.Constructor  ;
13 import java.lang.reflect.InvocationTargetException ;
14 import java.beans.PropertyEditorManager ;
15 import java.beans.PropertyEditor ;
16
17
18
25 public class PropertyConverter
26 {
27
28 static
29 {
30 PropertyEditor lEditor = PropertyEditorManager.findEditor(int.class);
31 if (lEditor != null)
32 {
33 PropertyEditorManager.registerEditor(Integer .class, lEditor.getClass());
34 }
35 lEditor = null;
36 lEditor = PropertyEditorManager.findEditor(boolean.class);
37 if (lEditor != null)
38 {
39 PropertyEditorManager.registerEditor(Boolean .class, lEditor.getClass());
40 }
41
42 PropertyEditorManager.registerEditor(Character .class, CharEditor.class);
43 PropertyEditorManager.registerEditor(Character.TYPE, CharEditor.class);
44
45
46 }
47
48
58 public static String convertToString
59 (Object
60 value)
61 throws IllegalArgumentException
62 {
63 String lStrValue = null;
64 if (value != null)
65 {
66 PropertyEditor lPe = PropertyEditorManager.findEditor(value.getClass());
67 if (lPe != null)
68 {
69 lPe.setValue(value);
70 lStrValue = lPe.getAsText();
71 }
72 else
73 {
74 throw new IllegalArgumentException ("PropertyEdidor is not defined for a specified type:" +
75 value.getClass().getName());
76 }
77 }
78 return lStrValue;
79 }
80
81
93 public static Object convertToValue
94 (String
95 strValue, Class propType)
96 throws IllegalArgumentException
97 {
98 Object lValue = null;
99 if (propType == null)
100 {
101 throw new IllegalStateException ("Property class type cannot be null.");
102 }
103
104 PropertyEditor lPe = PropertyEditorManager.findEditor(propType);
105 if (lPe != null)
106 {
107 lPe.setAsText(strValue);
108 lValue = lPe.getValue();
109 }
110 if (lValue == null && strValue != null)
111 {
112 lValue = genericConvert(strValue, propType);
114 }
115 return lValue;
116 }
117
118
119 private static Object genericConvert(String strValue, Class type)
120 {
121 Object lValue = null;
122 try
123 {
124 Constructor lConstructor = type.getDeclaredConstructor(new Class []{String .class});
125 lValue = lConstructor.newInstance(new Object []{strValue});
126
127 }
128 catch (NoSuchMethodException nsme)
129 {
130 IllegalArgumentException iex = new IllegalArgumentException ("Don't know how to convert a String to property of type " +
131 type.getName());
132 iex.initCause(nsme);
133 throw iex;
134 }
135 catch (InstantiationException ie)
136 {
137 IllegalArgumentException iex = new IllegalArgumentException ("Don't know how to convert a String to property of type " +
138 type.getName());
139 iex.initCause(ie);
140 throw iex;
141 }
142 catch (IllegalAccessException ia)
143 {
144 IllegalArgumentException iex = new IllegalArgumentException ("Don't know how to convert a String to property of type " +
145 type.getName());
146 iex.initCause(ia);
147 throw iex;
148 }
149 catch (InvocationTargetException ite)
150 {
151 IllegalArgumentException iex = new IllegalArgumentException ("Don't know how to convert a String to property of type " +
152 type.getName());
153 iex.initCause(ite.getTargetException());
154 throw iex;
155 }
156 if (lValue == null)
157 {
158 throw new IllegalArgumentException ("Don't know how to convert a String to property of type " +
159 type.getName());
160 }
161 return lValue;
162 }
163
164 }
165 |
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