1 package org.exolab.castor.xml.parsing;
2
3 import org.castor.xml.UnmarshalListener;
4 import org.castor.xml.UnmarshalListenerAdapter;
5 import org.exolab.castor.xml.UnmarshalHandler;
6
7 /**
8 * This class handles delegates methods call to {@link UnmarshalListener}. Even if
9 * {@link UnmarshalListener} is null, all of the delegating methods can be invoke.
10 *
11 * @author <a href="mailto:philipp DOT erlacher AT gmail DOT com">Philipp Erlacher</a>
12 *
13 * @since 1.3.2
14 */
15 public class UnmarshalListenerDelegate implements UnmarshalListener {
16
17 /**
18 * The unmarshaller listener.
19 */
20 private org.castor.xml.UnmarshalListener _unmarshalListener = null;
21
22 /**
23 * Sets an {@link org.castor.xml.UnmarshalListener}.
24 *
25 * @param listener the {@link org.castor.xml.UnmarshalListener} to use with this instance of the
26 * {@link UnmarshalHandler}.
27 */
28 public void setUnmarshalListener(org.castor.xml.UnmarshalListener listener) {
29 _unmarshalListener = listener;
30 }
31
32 /**
33 * Sets an {@link org.exolab.castor.xml.UnmarshalListener}.
34 *
35 * @param listener the {@link org.exolab.castor.xml.UnmarshalListener} to use with this instance
36 * of the UnmarshalHandler.
37 * @deprecated please move to the new {@link org.castor.xml.UnmarshalListener} interface
38 */
39 public void setUnmarshalListener(org.exolab.castor.xml.UnmarshalListener listener) {
40 if (listener == null) {
41 listener = null;
42 } else {
43 UnmarshalListenerAdapter adapter = new UnmarshalListenerAdapter();
44 adapter.setOldListener(listener);
45 _unmarshalListener = adapter;
46 }
47 }
48
49 /**
50 * @see org.castor.xml.UnmarshalListener.unmarshalled
51 * @param object
52 * @param parentObject
53 */
54 public void unmarshalled(Object object, Object parentObject) {
55 // -- We're finished processing the object, so notify the
56 // -- Listener (if any).
57 if (_unmarshalListener != null && object != null) {
58 _unmarshalListener.unmarshalled(object, parentObject);
59 }
60
61 }
62
63 /**
64 * @see org.castor.xml.UnmarshalListener.fieldAdded
65 * @param object
66 * @param parentObject
67 */
68 public void fieldAdded(String fieldName, Object stateObject, Object fieldStateObject) {
69 // If there is a parent for this object, pass along
70 // a notification that we've finished adding a child
71 if (_unmarshalListener != null) {
72 _unmarshalListener.fieldAdded(fieldName, stateObject, fieldStateObject);
73 }
74 }
75
76 /**
77 * @see org.castor.xml.UnmarshalListener.initialized
78 * @param object
79 * @param parentObject
80 */
81 public void initialized(Object stateObject, Object parentObject) {
82 if (_unmarshalListener != null)
83 _unmarshalListener.initialized(stateObject, parentObject);
84 }
85
86 /**
87 * @see org.castor.xml.UnmarshalListener.attributesProcessed
88 * @param object
89 * @param parentObject
90 */
91 public void attributesProcessed(Object stateObject, Object parentObject) {
92 if (_unmarshalListener != null)
93 _unmarshalListener.attributesProcessed(stateObject, parentObject);
94 }
95 }