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1
14 package org.wings.template;
15
16 import org.apache.commons.logging.Log;
17 import org.apache.commons.logging.LogFactory;
18 import org.wings.Resource;
19 import org.wings.SDimension;
20 import org.wings.SFont;
21 import org.wings.SIcon;
22 import org.wings.plaf.ComponentCG;
23 import org.wings.plaf.LookAndFeel;
24 import org.wings.resource.ClasspathResource;
25 import org.wings.style.CSSAttributeSet;
26 import org.wings.style.CSSStyleSheet;
27 import org.wings.style.StyleSheet;
28
29 import java.awt.*;
30 import java.io.InputStream  ;
31
32
33
37 public class DefaultPropertyValueConverter implements PropertyValueConverter {
38
39 public static final DefaultPropertyValueConverter INSTANCE =
40 new DefaultPropertyValueConverter();
41
42 private final transient static Log log = LogFactory.getLog(DefaultPropertyValueConverter.class);
43
44
45 public DefaultPropertyValueConverter() {
46
47 }
48
50
60 public Object convertPropertyValue(String value, Class targetClass)
61 throws UnsupportedOperationException {
62 if (value == null || "null".equals(value)) {
63 return null;
64 }
66
67 if (targetClass == String .class) {
68 return value;
69 }
71 if (targetClass == Boolean.TYPE || targetClass == Boolean .class) {
72 return Boolean.valueOf(value);
73 }
74
75 if (targetClass == Integer.TYPE || targetClass == Integer .class) {
76 return Integer.valueOf(value);
77 }
78 if (targetClass == Long.TYPE || targetClass == Long .class) {
79 return Long.valueOf(value);
80 }
81 if (targetClass == Short.TYPE || targetClass == Short .class) {
82 return Short.valueOf(value);
83 }
84 if (targetClass == Byte.TYPE || targetClass == Byte .class) {
85 return Byte.valueOf(value);
86 }
87 if (targetClass == Float.TYPE || targetClass == Float .class) {
88 return Float.valueOf(value);
89 }
90 if (targetClass == Double.TYPE || targetClass == Double .class) {
91 return Double.valueOf(value);
92 }
93 if (targetClass == Character.TYPE || targetClass == Character .class) {
94 return new Character (value.charAt(0));
95 }
96
97 if (targetClass == StringBuffer .class) {
98 return new StringBuffer (value);
99 }
101 if (SIcon.class.isAssignableFrom(targetClass)) {
102 return LookAndFeel.makeIcon(value);
103 }
104
105 if (targetClass == Color.class) {
106 return LookAndFeel.makeColor(value);
107 }
108
109 if (targetClass == SDimension.class) {
110 return LookAndFeel.makeDimension(value);
111 }
112
113 if (targetClass == SFont.class) {
114 return TemplateUtil.parseFont(value);
115 }
116
117 if (Resource.class.isAssignableFrom(targetClass)) {
118 return new ClasspathResource(value);
119 }
120
121 if (CSSAttributeSet.class.isAssignableFrom(targetClass)) {
122 return LookAndFeel.makeAttributeSet(value);
123 }
124
125 if (StyleSheet.class.isAssignableFrom(targetClass)) {
126 StyleSheet result;
127 try {
128 CSSStyleSheet styleSheet = new CSSStyleSheet();
129 InputStream in = getClass().getClassLoader().getResourceAsStream(value);
130 styleSheet.read(in);
131 in.close();
132 result = styleSheet;
133 } catch (Exception e) {
134 log.warn("Exception", e);
135 result = null;
136 }
137 return result;
138 }
139
140 if (ComponentCG.class.isAssignableFrom(targetClass)) {
141 return LookAndFeel.makeCG(value);
142 }
143
144 throw new UnsupportedOperationException ("cannot create object of type " +
145 targetClass.getName());
146 }
147
148
149 } |
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