1 //
2 // ========================================================================
3 // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.osgi.boot.utils;
20
21 import org.eclipse.jetty.util.log.Log;
22 import org.eclipse.jetty.util.log.Logger;
23
24 /**
25 * BundleClassLoaderHelperFactory
26 *
27 * Get a class loader helper adapted for the particular osgi environment.
28 */
29 public class BundleClassLoaderHelperFactory
30 {
31 private static final Logger LOG = Log.getLogger(BundleClassLoaderHelperFactory.class);
32
33 private static BundleClassLoaderHelperFactory _instance = new BundleClassLoaderHelperFactory();
34
35
36 /* ------------------------------------------------------------ */
37 public static BundleClassLoaderHelperFactory getFactory()
38 {
39 return _instance;
40 }
41
42 /* ------------------------------------------------------------ */
43 private BundleClassLoaderHelperFactory()
44 {
45 }
46
47 /* ------------------------------------------------------------ */
48 public BundleClassLoaderHelper getHelper()
49 {
50 //use the default
51 BundleClassLoaderHelper helper = BundleClassLoaderHelper.DEFAULT;
52 try
53 {
54 //if a fragment has not provided their own impl
55 helper = (BundleClassLoaderHelper) Class.forName(BundleClassLoaderHelper.CLASS_NAME).newInstance();
56 }
57 catch (Throwable t)
58 {
59 LOG.ignore(t);
60 }
61
62 return helper;
63 }
64
65 }