1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package javax.faces.context;
20
21 import java.util.Map;
22
23 /**
24 * @since 2.0
25 */
26 public abstract class Flash implements Map<String, Object>
27 {
28 /**
29 * @since 2.2
30 */
31 public static final String NULL_VALUE = "javax.faces.context.Flash.NULL_VALUE";
32
33 public abstract boolean isKeepMessages();
34
35 public abstract boolean isRedirect();
36
37 public abstract void keep(String key);
38
39 public abstract void putNow(String key, Object value);
40
41 public abstract void setKeepMessages(boolean newValue);
42
43 public abstract void setRedirect(boolean newValue);
44
45 public abstract void doPrePhaseActions(FacesContext context);
46
47 public abstract void doPostPhaseActions(FacesContext context);
48
49 }