2009/05/20 - Apache Shale has been retired.

For more information, please explore the Attic.


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.examples.mailreaderjpa;
19  
20  import java.util.ArrayList;
21  import java.util.List;
22  import javax.faces.model.SelectItem;
23  import org.apache.mailreaderjpa.Protocol;
24  import org.apache.mailreaderjpa.Subscription;
25  import org.apache.mailreaderjpa.User;
26  import org.apache.shale.view.AbstractApplicationBean;
27  
28  /***
29   * <p>Application scope bean containing cached domain lists and other
30   * application wide information.  In addition, it includes code to bootstrap
31   * the database contents if this is the very first time that newly created
32   * database tables are accessed.</p>
33   */
34  public class Domains extends AbstractApplicationBean {
35  
36  
37      // ------------------------------------------------------- Public Properties
38  
39  
40      /***
41       * <p>The business {@link Logic} for this application.  This value
42       * will be injected, based on the managed bean configuration.</p>
43       */
44      private Logic logic = null;
45  
46  
47      /***
48       * <p>Return the business {@link Logic} for this application.</p>
49       */
50      public Logic getLogic() {
51          return this.logic;
52      }
53  
54  
55      /***
56       * <p>Set the business {@link Logic} for this application.</p>
57       *
58       * @param logic The new business logic instance
59       */
60      public void setLogic(Logic logic) {
61          this.logic = logic;
62      }
63  
64  
65      /***
66       * <p>The array of <code>SelectItem</code> instances identifying the valid
67       * mail protocols for this application.</p>
68       */
69      private SelectItem[] protocols;
70  
71  
72      /***
73       * <p>Return an array of select items for valid protocols.</p>
74       */
75      public SelectItem[] getProtocols() {
76  
77          return this.protocols;
78  
79      }
80  
81  
82      // -------------------------------------------------------- Lifecycle Events
83  
84  
85      /***
86       * <p>Initialize the <code>profiles</codes> list from the database.  If
87       * necessary, bootstrap the database content if it is completely empty.</p>
88       */
89      public void init() {
90  
91          log("Caching application wide static data");
92          try {
93  
94              // Ensure that the database content has been bootstrapped
95              getLogic().bootstrap();
96  
97              // Assemble the value of the "protocols" array
98              List<Protocol> items = getLogic().getProtocols();
99              protocols = new SelectItem[items.size()];
100             int n = 0;
101             for (Protocol item : items) {
102                 protocols[n++] = new SelectItem(item, item.getDescription());
103             }
104 
105         } catch (Exception e) {
106 
107             log("Exception acquiring domain data", e);
108             error("Exception acquiring domain data: " + e);
109             getFacesContext().responseComplete();
110 
111         }
112 
113 
114     }
115 
116 
117 }