MessageValueDescriptor


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.MessageValue;
6   import org.apache.slide.projector.value.Value;
7   
8   public class MessageValueDescriptor implements ValueDescriptor {
9       public Value valueOf(Object   value, Context context) throws ValueCastException {
10          if ( value instanceof MessageValue ) {
11              return (MessageValue)value;
12          } else {
13              try {
14                  return new MessageValue((StringValueDescriptor.ANY.valueOf(value, null).toString()));
15              } catch ( ValueCastException exception ) {
16                  throw new ValueCastException(new ErrorMessage("uncastableMessageValue", new Object  [] { value }));
17              }
18          }
19      }
20  
21      public void validate(Value value, Context context) throws ValidationException {
22      }
23  }

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