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1 package org.apache.slide.projector.descriptor;
2
3 import org.apache.slide.projector.Context;
4 import org.apache.slide.projector.i18n.ErrorMessage;
5 import org.apache.slide.projector.value.BooleanValue;
6 import org.apache.slide.projector.value.Value;
7
8 public class BooleanValueDescriptor implements ValueDescriptor {
9 public final static String  TRUE = Boolean.toString(true);
10 public final static String FALSE = Boolean.toString(false);
11
12 public Value valueOf(Object value, Context context) throws ValueCastException {
13 if ( value instanceof BooleanValue ) {
14 return (BooleanValue)value;
15 }
16 try {
17 return getBooleanResource(StringValueDescriptor.ANY.valueOf(value, null).toString());
18 } catch ( ValueCastException exception ) {
19 throw new ValueCastException(new ErrorMessage("uncastableBooleanValue", new Object [] { value }));
20 }
21 }
22
23 public void validate(Value value, Context context) throws ValidationException {
24 }
25
26 public static BooleanValue getBooleanResource(String value) {
27 if ( value != null && value.equals(TRUE) ) {
28 return BooleanValue.TRUE;
29 } else {
30 return BooleanValue.FALSE;
31 }
32 }
33 } |
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