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1 package org.apache.slide.projector.descriptor;
2
3 import java.util.ArrayList  ;
4 import java.util.Iterator ;
5 import java.util.List ;
6
7 import org.apache.slide.projector.value.MessageValue;
8 import org.apache.slide.projector.value.Value;
9 import org.jdom.Element;
10
11 import de.zeigermann.xml.XMLStringWriter;
12 import de.zeigermann.xml.XMLWriter;
13
14 public class MessageValueFactory implements ValueFactory {
15 public final static String ID = "id";
16 public final static String ARGUMENTS = "arguments";
17
18 public Class getValueClass() {
19 return MessageValue.class;
20 }
21
22 public String getElementName() {
23 return "message";
24 }
25
26 public Value load(Element element) {
27 String messageId = element.getAttributeValue(ID);
28 List children = new ArrayList ();
29 for ( Iterator i = element.getChildren().iterator(); i.hasNext(); ) {
30 Element childElement = (Element)i.next();
31 children.add(ValueFactoryManager.getInstance().loadValue(childElement));
32 }
33 return new MessageValue(messageId, (Value[])children.toArray(new Value[children.size()]));
34 }
35
36 public void save(Value value, XMLStringWriter writer) {
37 MessageValue messageValue = (MessageValue)value;
38 writer.writeStartTag(XMLWriter.createStartTag(getElementName(), ID, messageValue.getId()));
39 Value []arguments = messageValue.getArguments();
40 for ( int i = 0; i < arguments.length; i++ ) {
41 ValueFactoryManager.getInstance().saveValue(arguments[i], writer);
42 }
43 writer.writeEndTag(XMLWriter.createEndTag(getElementName()));
44 }
45
46 public ValueDescriptor loadDescriptor(Element element) {
47 return new MessageValueDescriptor();
48 }
49 } |
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