Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
AbstractViewController |
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| 1.1428571428571428;1.143 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to you under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | package org.apache.shale.view; | |
19 | ||
20 | import javax.faces.context.FacesContext; | |
21 | import org.apache.shale.view.faces.FacesConstants; | |
22 | ||
23 | ||
24 | /** | |
25 | * <p>{@link AbstractViewController} is a convenience base implementation of | |
26 | * {@link ViewController}. It also provides convenience methods inherited | |
27 | * from {@link AbstractFacesBean} to all of its subclasses.</p> | |
28 | * | |
29 | * $Id: AbstractViewController.java 478339 2006-11-22 22:03:44Z craigmcc $ | |
30 | */ | |
31 | ||
32 | public abstract class AbstractViewController extends AbstractFacesBean | |
33 | implements ViewController { | |
34 | ||
35 | ||
36 | // ------------------------------------------------------------- Constructor | |
37 | ||
38 | ||
39 | /** | |
40 | * <p>Pre-initialize the <code>postBack</code> property appropriately | |
41 | * if we can.</p> | |
42 | */ | |
43 | 11 | public AbstractViewController() { |
44 | ||
45 | 11 | FacesContext context = FacesContext.getCurrentInstance(); |
46 | 11 | if ((context != null) |
47 | && context.getExternalContext().getRequestMap().containsKey(FacesConstants.VIEW_POSTBACK)) { | |
48 | setPostBack(true); | |
49 | } | |
50 | ||
51 | 11 | } |
52 | ||
53 | ||
54 | ||
55 | // -------------------------------------------------------------- Properties | |
56 | ||
57 | ||
58 | /** | |
59 | * <p>Flag indicating that this is a postback request.</p> | |
60 | */ | |
61 | 11 | private boolean postBack = false; |
62 | ||
63 | ||
64 | /** {@inheritDoc} */ | |
65 | public boolean isPostBack() { | |
66 | ||
67 | 2 | return this.postBack; |
68 | ||
69 | } | |
70 | ||
71 | ||
72 | /** {@inheritDoc} */ | |
73 | public void setPostBack(boolean postBack) { | |
74 | ||
75 | 1 | this.postBack = postBack; |
76 | ||
77 | 1 | } |
78 | ||
79 | ||
80 | // ---------------------------------------------------------- Public Methods | |
81 | ||
82 | ||
83 | /** | |
84 | * <p>The default implementation does nothing.</p> | |
85 | */ | |
86 | public void destroy() { | |
87 | // do nothing | |
88 | } | |
89 | ||
90 | ||
91 | /** | |
92 | * <p>The default implementation does nothing.</p> | |
93 | */ | |
94 | public void init() { | |
95 | // do nothing | |
96 | } | |
97 | ||
98 | ||
99 | /** | |
100 | * <p>The default implementation does nothing.</p> | |
101 | */ | |
102 | public void preprocess() { | |
103 | // do nothing | |
104 | } | |
105 | ||
106 | ||
107 | /** | |
108 | * <p>The default implementation does nothing.</p> | |
109 | */ | |
110 | public void prerender() { | |
111 | // do nothing | |
112 | } | |
113 | ||
114 | ||
115 | } |