001 /**
002 *
003 * Copyright 2005 The Apache Software Foundation
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.geronimo.system.sharedlib;
018
019 import org.apache.geronimo.gbean.GBeanInfo;
020 import org.apache.geronimo.gbean.GBeanInfoBuilder;
021 import java.util.Arrays;
022 import java.util.Set;
023 import java.util.HashSet;
024 import java.util.LinkedHashSet;
025 import java.util.Iterator;
026 import java.net.URL;
027 import java.net.MalformedURLException;
028 import java.io.File;
029
030 import org.apache.geronimo.system.serverinfo.ServerInfo;
031 import org.apache.geronimo.kernel.config.MultiParentClassLoader;
032
033 /**
034 * @version $Rev: 422567 $ $Date: 2006-07-16 16:20:59 -0700 (Sun, 16 Jul 2006) $
035 */
036 public class SharedLib {
037 public SharedLib(ClassLoader classLoader, String[] classesDirs, String[] libDirs, ServerInfo serverInfo) throws MalformedURLException {
038 MultiParentClassLoader multiParentClassLoader = (MultiParentClassLoader) classLoader;
039 Set currentUrls = new HashSet(Arrays.asList(multiParentClassLoader.getURLs()));
040
041 int size=0;
042 if (classesDirs != null) size += classesDirs.length;
043 if (libDirs != null) size += libDirs.length;
044
045 LinkedHashSet newUrls = new LinkedHashSet(size);
046 if (classesDirs != null) {
047 for (int i = 0; i < classesDirs.length; i++) {
048 String classesDir = classesDirs[i];
049 File dir = serverInfo.resolve(classesDir);
050 if (!dir.exists()) {
051 if (!dir.mkdirs()) {
052 throw new IllegalArgumentException("Failed to create classes dir: " + dir);
053 }
054 }
055 if (!dir.isDirectory()) {
056 throw new IllegalArgumentException("Classes dir is not a directory: " + dir);
057 }
058 URL location = dir.toURL();
059 if (!currentUrls.contains(location)) {
060 newUrls.add(location);
061 }
062 }
063 }
064
065 if (libDirs != null) {
066 for (int i = 0; i < libDirs.length; i++) {
067 String libDir = libDirs[i];
068 File dir = serverInfo.resolve(libDir);
069 if (!dir.exists()) {
070 if (!dir.mkdirs()) {
071 throw new IllegalArgumentException("Failed to create lib dir: " + dir);
072 }
073 }
074 if (!dir.isDirectory()) {
075 throw new IllegalArgumentException("Lib dir is not a directory: " + dir);
076 }
077
078 File[] files = dir.listFiles();
079 for (int j = 0; j < files.length; j++) {
080 File file = files[j];
081 if (file.canRead() && (file.getName().endsWith(".jar") || file.getName().endsWith(".zip"))) {
082 URL location = file.toURL();
083 if (!currentUrls.contains(location)) {
084 newUrls.add(location);
085 }
086 }
087 }
088 }
089 }
090
091 for (Iterator iterator = newUrls.iterator(); iterator.hasNext();) {
092 URL url = (URL) iterator.next();
093 multiParentClassLoader.addURL(url);
094 }
095 }
096
097 public static final GBeanInfo GBEAN_INFO;
098
099 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 }