public void setFolder(Folder newFolder) throws MessagingException {
if (folder != null) {
try {
folder.removeMessageCountListener(messageCountListener);
folder.close(true);
} catch (Exception ex) {
// Failure here seems to happen relatively often.
// enp has a corrupt folder, for example, and enh finds that Exchange seems to sometimes
// close folders on him, maybe because he's running Outlook at the same time.
// It's not currently obvious that there's much to be gained by showing this error to the
// user.
// It does seem that we should blunder on, rather than back out, because the UI's already
// been updated by this point.
// If we back out here, we really need to back out the UI change too, and going that route
// seems like a mistake.
ex.printStackTrace();
}
}
this.folder = newFolder;
this.messages = Collections.<Message>emptyList();
if (folder != null) {
scanWholeFolder();
folder.addMessageChangedListener(messageChangedListener);
folder.addMessageCountListener(messageCountListener);
}
}
@Override
protected void doStop() {
synchronized (folderLock) {
if (folder != null) {
folder.removeMessageCountListener(this);
}
}
}
@Override
protected void doDispose() {
synchronized (folderLock) {
if (null != folder) {
folder.removeMessageCountListener(this);
if (folder.isOpen()) {
try {
folder.close(true);
} catch (Exception e) {
logger.debug("ignoring exception: " + e.getMessage(), e);
}
}
}
}
}