3 import javax
.jcr
.RepositoryException
;
4 import javax
.jcr
.Session
;
5 import javax
.jcr
.observation
.Event
;
6 import javax
.jcr
.observation
.EventIterator
;
7 import javax
.jcr
.observation
.EventListener
;
8 import javax
.jcr
.observation
.ObservationManager
;
10 import org
.apache
.commons
.logging
.Log
;
11 import org
.apache
.commons
.logging
.LogFactory
;
12 import org
.argeo
.ArgeoException
;
14 /** To be overridden */
15 public class DefaultJcrListener
implements EventListener
{
16 private final static Log log
= LogFactory
.getLog(DefaultJcrListener
.class);
17 private Session session
;
18 private String path
= "/";
19 private Boolean deep
= true;
23 addEventListener(session().getWorkspace().getObservationManager());
24 if (log
.isDebugEnabled())
25 log
.debug("Registered JCR event listener on " + path
);
26 } catch (Exception e
) {
27 throw new ArgeoException("Cannot register event listener", e
);
33 session().getWorkspace().getObservationManager()
34 .removeEventListener(this);
35 if (log
.isDebugEnabled())
36 log
.debug("Unregistered JCR event listener on " + path
);
37 } catch (Exception e
) {
38 throw new ArgeoException("Cannot unregister event listener", e
);
42 /** Default is listen to all events */
43 protected Integer
getEvents() {
44 return Event
.NODE_ADDED
| Event
.NODE_REMOVED
| Event
.PROPERTY_ADDED
45 | Event
.PROPERTY_CHANGED
| Event
.PROPERTY_REMOVED
;
48 /** To be overidden */
49 public void onEvent(EventIterator events
) {
50 while (events
.hasNext()) {
51 Event event
= events
.nextEvent();
56 /** To be overidden */
57 protected void addEventListener(ObservationManager observationManager
)
58 throws RepositoryException
{
59 observationManager
.addEventListener(this, getEvents(), path
, deep
,
63 private Session
session() {
67 public void setPath(String path
) {
71 public void setDeep(Boolean deep
) {
75 public void setSession(Session session
) {
76 this.session
= session
;