1 /*
2 * Copyright 2007 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 1.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl1.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.student.common.ui.client.application;
17
18 import org.kuali.student.common.ui.client.security.AsyncCallbackFailureHandler;
19
20 import com.google.gwt.core.client.GWT;
21
22 import com.google.gwt.user.client.rpc.AsyncCallback;
23
24 /**
25 * All GWT call backs use this class, which allows us to intercept any
26 * failure and handle them appropriately.
27 *
28 * @author Kuali Student Team
29 *
30 */
31 public abstract class KSAsyncCallback<T> implements AsyncCallback<T>{
32
33 /**
34 * Failure is delegated to this class which is created using GWT.create().
35 * This allows implementing institution to swap out the class
36 */
37 private static final AsyncCallbackFailureHandler asyncCallbackFailureHandler = GWT.create(AsyncCallbackFailureHandler.class);
38
39 /**
40 * Allows institution to override this method by implementing its own
41 * AsyncCallbackFailureHandler.
42 */
43 public void onFailure(Throwable caught) {
44 asyncCallbackFailureHandler.onFailure(caught);
45 }
46 /**
47 * Allows institution to override this method by implementing its own
48 * AsyncCallbackFailureHandler.
49 */
50 public void handleFailure(Throwable caught) {
51 asyncCallbackFailureHandler.handleFailure(caught);
52 }
53 /**
54 * Allows institution to override this method by implementing its own
55 * AsyncCallbackFailureHandler.
56 */
57 public void handleTimeout(Throwable caught){
58 asyncCallbackFailureHandler.handleTimeout(caught);
59 }
60 /**
61 * Allows institution to override this method by implementing its own
62 * AsyncCallbackFailureHandler.
63 */
64 public void handleVersionMismatch(Throwable caught){
65 asyncCallbackFailureHandler.handleVersionMismatch(caught);
66 }
67 }