01: /**********************************************************************************
02: *
03: * $Id: MessagingBean.java 9271 2006-05-10 21:52:49Z ray@media.berkeley.edu $
04: *
05: ***********************************************************************************
06: *
07: * Copyright (c) 2005 The Regents of the University of California, The MIT Corporation
08: *
09: * Licensed under the Educational Community License, Version 1.0 (the "License");
10: * you may not use this file except in compliance with the License.
11: * You may obtain a copy of the License at
12: *
13: * http://www.opensource.org/licenses/ecl1.php
14: *
15: * Unless required by applicable law or agreed to in writing, software
16: * distributed under the License is distributed on an "AS IS" BASIS,
17: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18: * See the License for the specific language governing permissions and
19: * limitations under the License.
20: *
21: **********************************************************************************/package org.sakaiproject.tool.gradebook.ui;
22:
23: import java.util.ArrayList;
24: import java.util.List;
25:
26: import javax.faces.application.FacesMessage;
27:
28: /**
29: * A session-scoped bean to handle jsf messages across redirects.
30: *
31: * @author <a href="mailto:jholtzman@berkeley.edu">Josh Holtzman</a>
32: */
33: public class MessagingBean {
34: private List messages = new ArrayList();
35:
36: public boolean hasMessages() {
37: return messages.size() > 0;
38: }
39:
40: public List getMessagesAndClear() {
41: List list = new ArrayList(messages);
42: messages.clear();
43: return list;
44: }
45:
46: public void addMessage(FacesMessage message) {
47: messages.add(message);
48: }
49: }
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