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Java > Open Source Codes > org > netbeans > modules > dbapi > DbMetaDataListenerImpl


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.dbapi;
21
22 import java.util.Iterator JavaDoc;
23 import org.netbeans.api.db.explorer.DatabaseConnection;
24 import org.netbeans.modules.db.api.explorer.MetaDataListener;
25 import org.netbeans.modules.db.explorer.DbMetaDataListener;
26 import org.openide.filesystems.FileObject;
27 import org.openide.filesystems.Repository;
28 import org.openide.loaders.DataFolder;
29 import org.openide.loaders.FolderLookup;
30 import org.openide.util.Lookup;
31
32 /**
33  *
34  * @author Andrei Badea
35  */
36 public class DbMetaDataListenerImpl implements DbMetaDataListener {
37
38     /**
39      * Not private because used in the tests.
40      */
41     static final String JavaDoc REFRESH_LISTENERS_PATH = "Databases/MetaDataListeners"; // NOI18N
42
43     private final Lookup.Result listeners = getListeners();
44
45     public void tablesChanged(DatabaseConnection dbconn) {
46         for (Iterator JavaDoc i = listeners.allInstances().iterator(); i.hasNext();) {
47             ((MetaDataListener)i.next()).tablesChanged(dbconn);
48         }
49     }
50
51     public void tableChanged(DatabaseConnection dbconn, String JavaDoc tableName) {
52         for (Iterator JavaDoc i = listeners.allInstances().iterator(); i.hasNext();) {
53             ((MetaDataListener)i.next()).tableChanged(dbconn, tableName);
54         }
55     }
56
57     private static Lookup.Result getListeners() {
58         FileObject fo = Repository.getDefault().getDefaultFileSystem().findResource(REFRESH_LISTENERS_PATH);
59         DataFolder folder = DataFolder.findFolder(fo);
60         return new FolderLookup(folder).getLookup().lookup(new Lookup.Template(MetaDataListener.class));
61     }
62 }
63
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