1 /**
2 *
3 * Copyright 2004 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.serverinfo;
18
19 import java.io.File;
20 import java.net.JarURLConnection;
21 import java.net.URI;
22 import java.net.URL;
23
24 import org.apache.commons.logging.Log;
25 import org.apache.commons.logging.LogFactory;
26
27 /**
28 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
29 */
30 public final class DirectoryUtils {
31 private static final Log log = LogFactory.getLog(DirectoryUtils.class);
32 private static final File geronimoInstallDirectory;
33
34 static {
35
36 URL url = DirectoryUtils.class.getClassLoader().getResource("META-INF/startup-jar");
37
38 File directory = null;
39 if (url != null) {
40 try {
41 JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
42 url = jarConnection.getJarFileURL();
43
44 URI baseURI = new URI(url.toString()).resolve("..");
45 directory = new File(baseURI);
46 } catch (Exception ignored) {
47 log.error("Error while determining the geronimo installation directory", ignored);
48 }
49 } else {
50 log.error("Cound not determin the geronimo installation directory, because the startup jar could not be found in the current class loader.");
51 }
52 geronimoInstallDirectory = directory;
53 }
54
55 public static File getGeronimoInstallDirectory() {
56 return geronimoInstallDirectory;
57 }
58 }