/**
* Checks if there was an error.
*
* @param caller The caller or <code>null</code>.
* @param status The status. <code>null</code> if status should not be checked.
* @param callback The callback to call on cancel or error.
* @return <code>false</code> if everything is OK.
*/
public static final boolean isError(Object caller, IStatus status, ICallback callback) {
if (status == null) status = Status.OK_STATUS;
if (!status.isOK() && status.getSeverity() != IStatus.CANCEL) {
if (status.getSeverity() == IStatus.ERROR) {
Throwable e = status.getException();
try {
throw e;
} catch (Throwable thrown) {
e = thrown;
}
CoreBundleActivator.getTraceHandler()
.trace(
status.getMessage(),
1,
ITraceIds.TRACE_CALLBACKS,
status.getSeverity(),
caller != null ? caller.getClass() : ProgressHelper.class);
status =
new Status(IStatus.ERROR, status.getPlugin(), status.getCode(), status.getMessage(), e);
}
if (callback != null) {
if (caller instanceof ICallback) {
Callback.copyProperties((ICallback) caller, callback);
}
callback.done(caller, status);
}
return true;
}
return false;
}
/**
* Checks if the operation was canceled.
*
* @param caller The caller or <code>null</code>.
* @param status The status. <code>null</code> if status should not be checked.
* @param progress The progress monitor. <code>null</code> if cancel should not be checked.
* @param callback The callback to call on cancel or error.
* @return <code>false</code> if everything is OK.
*/
public static final boolean isCancel(
Object caller, IStatus status, IProgressMonitor progress, ICallback callback) {
if (status == null) status = Status.OK_STATUS;
if (status.getSeverity() == IStatus.CANCEL || (progress != null && progress.isCanceled())) {
status =
new Status(
IStatus.CANCEL,
status.getPlugin(),
status.getCode(),
status.getMessage(),
new OperationCanceledException());
if (callback != null) {
if (caller instanceof ICallback) {
Callback.copyProperties((ICallback) caller, callback);
}
callback.done(caller, status);
}
return true;
}
return false;
}