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Java > Open Source Codes > org > objectstyle > cayenne > modeler > dialog > pref > CayenneModelerPreferenceEditor


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
5  *
6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if any,
22  * must include the following acknowlegement:
23  * "This product includes software developed by independent contributors
24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
32  *
33  * 5. Products derived from this software may not be called "ObjectStyle"
34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals and hosted on ObjectStyle Group web site. For more
53  * information on the ObjectStyle Group, please see
54  * <http://objectstyle.org/>.
55  */
56 package org.objectstyle.cayenne.modeler.dialog.pref;
57
58 import org.objectstyle.cayenne.modeler.Application;
59 import org.objectstyle.cayenne.modeler.FileClassLoadingService;
60 import org.objectstyle.cayenne.pref.Domain;
61 import org.objectstyle.cayenne.pref.HSQLEmbeddedPreferenceEditor;
62 import org.objectstyle.cayenne.pref.HSQLEmbeddedPreferenceService;
63 import org.objectstyle.cayenne.pref.PreferenceDetail;
64
65 /**
66  * Specialized preferences editor for CayenneModeler.
67  *
68  * @author Andrei Adamchik
69  */
70 public class CayenneModelerPreferenceEditor extends HSQLEmbeddedPreferenceEditor {
71
72     protected boolean refreshingClassLoader;
73     protected Application application;
74
75     public CayenneModelerPreferenceEditor(Application application) {
76         super((HSQLEmbeddedPreferenceService) application.getPreferenceService());
77         this.application = application;
78     }
79
80     public boolean isRefreshingClassLoader() {
81         return refreshingClassLoader;
82     }
83
84     public void setRefreshingClassLoader(boolean refreshingClassLoader) {
85         this.refreshingClassLoader = refreshingClassLoader;
86     }
87
88     public void save() {
89         super.save();
90
91         if (isRefreshingClassLoader()) {
92             application.initClassLoader();
93             refreshingClassLoader = false;
94         }
95     }
96
97     public PreferenceDetail createDetail(Domain domain, String JavaDoc key) {
98         changeInDomain(domain);
99         return super.createDetail(domain, key);
100     }
101
102     public PreferenceDetail deleteDetail(Domain domain, String JavaDoc key) {
103         changeInDomain(domain);
104         return super.deleteDetail(domain, key);
105     }
106
107     protected void changeInDomain(Domain domain) {
108         if (!refreshingClassLoader
109                 && domain != null
110                 && FileClassLoadingService.class.getName().equals(domain.getName())) {
111             refreshingClassLoader = true;
112         }
113     }
114 }
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