1 /**
2 *
3 * Copyright 2005 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.geronimo.system.sharedlib;
18
19 import org.apache.geronimo.gbean.GBeanInfo;
20 import org.apache.geronimo.gbean.GBeanInfoBuilder;
21 import java.util.Arrays;
22 import java.util.Set;
23 import java.util.HashSet;
24 import java.util.LinkedHashSet;
25 import java.util.Iterator;
26 import java.net.URL;
27 import java.net.MalformedURLException;
28 import java.io.File;
29
30 import org.apache.geronimo.system.serverinfo.ServerInfo;
31 import org.apache.geronimo.kernel.config.MultiParentClassLoader;
32
33 /**
34 * @version $Rev: 422567 $ $Date: 2006-07-16 16:20:59 -0700 (Sun, 16 Jul 2006) $
35 */
36 public class SharedLib {
37 public SharedLib(ClassLoader classLoader, String[] classesDirs, String[] libDirs, ServerInfo serverInfo) throws MalformedURLException {
38 MultiParentClassLoader multiParentClassLoader = (MultiParentClassLoader) classLoader;
39 Set currentUrls = new HashSet(Arrays.asList(multiParentClassLoader.getURLs()));
40
41 int size=0;
42 if (classesDirs != null) size += classesDirs.length;
43 if (libDirs != null) size += libDirs.length;
44
45 LinkedHashSet newUrls = new LinkedHashSet(size);
46 if (classesDirs != null) {
47 for (int i = 0; i < classesDirs.length; i++) {
48 String classesDir = classesDirs[i];
49 File dir = serverInfo.resolve(classesDir);
50 if (!dir.exists()) {
51 if (!dir.mkdirs()) {
52 throw new IllegalArgumentException("Failed to create classes dir: " + dir);
53 }
54 }
55 if (!dir.isDirectory()) {
56 throw new IllegalArgumentException("Classes dir is not a directory: " + dir);
57 }
58 URL location = dir.toURL();
59 if (!currentUrls.contains(location)) {
60 newUrls.add(location);
61 }
62 }
63 }
64
65 if (libDirs != null) {
66 for (int i = 0; i < libDirs.length; i++) {
67 String libDir = libDirs[i];
68 File dir = serverInfo.resolve(libDir);
69 if (!dir.exists()) {
70 if (!dir.mkdirs()) {
71 throw new IllegalArgumentException("Failed to create lib dir: " + dir);
72 }
73 }
74 if (!dir.isDirectory()) {
75 throw new IllegalArgumentException("Lib dir is not a directory: " + dir);
76 }
77
78 File[] files = dir.listFiles();
79 for (int j = 0; j < files.length; j++) {
80 File file = files[j];
81 if (file.canRead() && (file.getName().endsWith(".jar") || file.getName().endsWith(".zip"))) {
82 URL location = file.toURL();
83 if (!currentUrls.contains(location)) {
84 newUrls.add(location);
85 }
86 }
87 }
88 }
89 }
90
91 for (Iterator iterator = newUrls.iterator(); iterator.hasNext();) {
92 URL url = (URL) iterator.next();
93 multiParentClassLoader.addURL(url);
94 }
95 }
96
97 public static final GBeanInfo GBEAN_INFO;
98
99 static {
100 GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(SharedLib.class);
101 infoFactory.addAttribute("classLoader", ClassLoader.class, false, false);
102 infoFactory.addAttribute("classesDirs", String[].class, true, true);
103 infoFactory.addAttribute("libDirs", String[].class, true, true);
104 infoFactory.addReference("ServerInfo", ServerInfo.class, "GBean");
105
106 infoFactory.setConstructor(new String[]{"classLoader", "classesDirs", "libDirs", "ServerInfo"});
107 GBEAN_INFO = infoFactory.getBeanInfo();
108 }
109
110 public static GBeanInfo getGBeanInfo() {
111 return GBEAN_INFO;
112 }
113 }