1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
package org.apache.tapestry.describe; |
16 |
|
|
17 |
|
import java.util.ArrayList; |
18 |
|
import java.util.Iterator; |
19 |
|
import java.util.List; |
20 |
|
|
21 |
|
import org.apache.hivemind.util.Defense; |
22 |
|
import org.apache.tapestry.IMarkupWriter; |
23 |
|
import org.apache.tapestry.event.ReportStatusEvent; |
24 |
|
import org.apache.tapestry.event.ReportStatusListener; |
25 |
|
|
26 |
|
|
27 |
|
|
28 |
|
|
29 |
|
|
30 |
|
|
31 |
|
|
32 |
2 |
public class ReportStatusHubImpl implements ReportStatusHub |
33 |
|
{ |
34 |
2 |
private List _listeners = new ArrayList(); |
35 |
|
|
36 |
|
private RootDescriptionReceiverFactory _receiverFactory; |
37 |
|
|
38 |
|
public synchronized void addReportStatusListener(ReportStatusListener listener) |
39 |
|
{ |
40 |
2 |
Defense.notNull(listener, "listener"); |
41 |
|
|
42 |
2 |
_listeners.add(listener); |
43 |
2 |
} |
44 |
|
|
45 |
|
public synchronized void removeReportStatusListener(ReportStatusListener listener) |
46 |
|
{ |
47 |
1 |
Defense.notNull(listener, "listener"); |
48 |
|
|
49 |
1 |
_listeners.remove(listener); |
50 |
1 |
} |
51 |
|
|
52 |
|
public synchronized void fireReportStatus(IMarkupWriter writer) |
53 |
|
{ |
54 |
2 |
if (_listeners.isEmpty()) |
55 |
1 |
return; |
56 |
|
|
57 |
1 |
RootDescriptionReciever receiver = _receiverFactory.newRootDescriptionReceiver(writer); |
58 |
|
|
59 |
1 |
ReportStatusEvent event = new ReportStatusEvent(this, receiver); |
60 |
|
|
61 |
1 |
Iterator i = _listeners.iterator(); |
62 |
|
|
63 |
2 |
while (i.hasNext()) |
64 |
|
{ |
65 |
1 |
ReportStatusListener listener = (ReportStatusListener) i.next(); |
66 |
|
|
67 |
1 |
listener.reportStatus(event); |
68 |
|
|
69 |
1 |
receiver.finishUp(); |
70 |
1 |
} |
71 |
1 |
} |
72 |
|
|
73 |
|
public void setReceiverFactory(RootDescriptionReceiverFactory receiverFactory) |
74 |
|
{ |
75 |
2 |
_receiverFactory = receiverFactory; |
76 |
2 |
} |
77 |
|
|
78 |
|
} |