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1 package org.oddjob.designer.arooa;
2
3 import org.oddjob.arooa.ArooaException;
4 import org.oddjob.arooa.ArooaHandler;
5 import org.oddjob.arooa.ArooaContext;
6 import org.oddjob.arooa.ArooaConstants;
7 import org.oddjob.arooa.reflect.IntrospectionHelper;
8 import org.oddjob.designer.model.DesignAdult;
9 import org.oddjob.designer.model.DesignElementType;
10 import org.xml.sax.Attributes  ;
11 import org.xml.sax.SAXParseException ;
12
13
14
17 public class DesignElementHandler extends ArooaHandler {
18
19
23 public void onStartElement(String uri, String tag, String qname,
24 Attributes attrs,
25 ArooaContext context)
26 throws SAXParseException {
27
28 Object parent = context.getParent().get(
29 ArooaConstants.CURRENTLY_CONFIGURING);
30 if (parent instanceof DesignAdult) {
31 Object element = ((DesignAdult)parent).createType(tag);
32 if (element == null) {
33 throw new ArooaException("Class [" + parent.getClass()
34 + "] doesn't support the element [" + tag + "]");
35 }
36 HandlerUtils.setAttributes(uri, attrs, element);
37 context.set(ArooaConstants.CURRENTLY_CONFIGURING, element);
38 }
39 else {
40 throw new ArooaException("Parent of element [" + tag
41 + "], class [" + parent.getClass()
42 + "] must be an instance of DesignAdult");
43 }
44 }
45
46
50 public void characters(char[] buf, int start, int count,
51 ArooaContext context)
52 throws SAXParseException {
53 Object object = context.get(ArooaConstants.CURRENTLY_CONFIGURING);
54 IntrospectionHelper ih = IntrospectionHelper.getHelper(object.getClass());
55 ih.addText(object, new String (buf, start, count));
56 }
57
58
62 public ArooaHandler onStartChild(String uri, String tag, String qname,
63 Attributes attrs,
64 ArooaContext context)
65 throws SAXParseException {
66 Object object = context.get(ArooaConstants.CURRENTLY_CONFIGURING);
67
68 IntrospectionHelper ih = IntrospectionHelper.getHelper(object.getClass());
69 return ih.provideHandler(object, tag, context);
70 }
71
72
76 public void onEndElement(String uri, String tag, ArooaContext context) {
77 DesignElementType object = (DesignElementType) context.get(
78 ArooaConstants.CURRENTLY_CONFIGURING);
79 DesignAdult parent = (DesignAdult) context.getParent().get(
80 ArooaConstants.CURRENTLY_CONFIGURING);
81
82 parent.addChild(object);
83 }
84 }
85 |
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