1 //
2 // ========================================================================
3 // Copyright (c) 1995-2014 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
20 package org.eclipse.jetty.webapp;
21
22 import java.util.Map;
23
24 import org.eclipse.jetty.util.resource.Resource;
25
26 /**
27 * FragmentConfiguration
28 *
29 *
30 *
31 * Process web-fragments in jars
32 */
33 public class FragmentConfiguration extends AbstractConfiguration
34 {
35 public final static String FRAGMENT_RESOURCES="org.eclipse.jetty.webFragments";
36
37 @Override
38 public void preConfigure(WebAppContext context) throws Exception
39 {
40 if (!context.isConfigurationDiscovered())
41 return;
42
43 //find all web-fragment.xmls
44 findWebFragments(context, context.getMetaData());
45
46 }
47
48
49 @Override
50 public void postConfigure(WebAppContext context) throws Exception
51 {
52 context.setAttribute(FRAGMENT_RESOURCES, null);
53 }
54
55 /* ------------------------------------------------------------------------------- */
56 /**
57 * Look for any web-fragment.xml fragments in META-INF of jars in WEB-INF/lib
58 *
59 * @throws Exception
60 */
61 public void findWebFragments (final WebAppContext context, final MetaData metaData) throws Exception
62 {
63 @SuppressWarnings("unchecked")
64 Map<Resource, Resource> frags = (Map<Resource,Resource>)context.getAttribute(FRAGMENT_RESOURCES);
65 if (frags!=null)
66 {
67 for (Resource key : frags.keySet())
68 {
69 if (key.isDirectory()) //tolerate the case where the library is a directory, not a jar. useful for OSGi for example
70 {
71 metaData.addFragment(key, frags.get(key));
72 }
73 else //the standard case: a jar most likely inside WEB-INF/lib
74 {
75 metaData.addFragment(key, frags.get(key));
76 }
77 }
78 }
79 }
80 }