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Java > Open Source Codes > org > netbeans > modules > db > explorer > DbURLClassLoader


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.db.explorer;
21
22 import java.net.URL JavaDoc;
23 import java.net.URLClassLoader JavaDoc;
24 import java.security.AllPermission JavaDoc;
25 import java.security.CodeSource JavaDoc;
26 import java.security.PermissionCollection JavaDoc;
27 import java.security.Permissions JavaDoc;
28 import java.util.Arrays JavaDoc;
29
30 /**
31  * This class loader is used to load JDBC drivers from their locations.
32  * Needed since JDBC drivers can reside in arbitrary locations, which the
33  * system class loader does not know about.
34  */
35 public class DbURLClassLoader extends URLClassLoader JavaDoc {
36     
37     /** Creates a new instance of DbURLClassLoader */
38     public DbURLClassLoader(URL JavaDoc[] urls) {
39         super(urls);
40     }
41     
42     protected PermissionCollection JavaDoc getPermissions(CodeSource JavaDoc codesource) {
43         Permissions JavaDoc permissions = new Permissions JavaDoc();
44         permissions.add(new AllPermission JavaDoc());
45         permissions.setReadOnly();
46         
47         return permissions;
48     }
49     
50     public String JavaDoc toString() {
51         return "DbURLClassLoader[urls=" + Arrays.asList(getURLs()) + "]"; // NOI18N
52 }
53 }
54
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