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1 package net.sourceforge.cruisecontrol.listeners;
2
3 import java.io.File  ;
4
5 import net.sourceforge.cruisecontrol.CruiseControlException;
6 import net.sourceforge.cruisecontrol.Listener;
7 import net.sourceforge.cruisecontrol.ProjectEvent;
8 import net.sourceforge.cruisecontrol.ProjectState;
9 import net.sourceforge.cruisecontrol.util.ValidationHelper;
10
11 public class LockFileListener implements Listener {
12
13 private String path;
14 private boolean needToDeleteLock = false;
15
16 public void handleEvent(ProjectEvent event) throws CruiseControlException {
17 if (!(event instanceof ProjectStateChangedEvent)) {
18 return;
19 }
20
21 ProjectState newState = ((ProjectStateChangedEvent) event).getNewState();
22
23 if (projectGotPastBootstrapping(newState)) {
24 needToDeleteLock = true;
25 }
26
27 if (newState.equals(ProjectState.IDLE) && needToDeleteLock) {
28 boolean deletedFile = attemptToDeleteLock();
29 if (!deletedFile) {
30 throw new CruiseControlException("project " + event.getProjectName()
31 + " failed to delete lock file " + path);
32 }
33 }
34 }
35
36 boolean attemptToDeleteLock() {
37 return new File (path).delete();
38 }
39
40 private boolean projectGotPastBootstrapping(ProjectState newState) {
41 return newState.equals(ProjectState.MODIFICATIONSET);
42 }
43
44 public void validate() throws CruiseControlException {
45 ValidationHelper.assertIsSet(path, "lockfile", LockFileListener.class);
46 }
47
48 public void setLockFile(String path) {
49 this.path = path;
50 }
51
52 }
53 |
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