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Java > Open Source Codes > org > jboss > logging > appender > FileAppender


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.logging.appender;
23
24 import java.io.File JavaDoc;
25
26 import java.net.URL JavaDoc;
27 import java.net.MalformedURLException JavaDoc;
28
29 import org.apache.log4j.helpers.LogLog;
30
31 /**
32  * An extention of the default Log4j FileAppender which
33  * will make the directory structure for the set log file.
34  *
35  * @version <tt>$Revision: 1958 $</tt>
36  * @author <a HREF="mailto:jason@planet57.com">Jason Dillon</a>
37  */
38 public class FileAppender
39    extends org.apache.log4j.FileAppender
40 {
41    public void setFile(final String JavaDoc filename)
42    {
43       FileAppender.Helper.makePath(filename);
44       super.setFile(filename);
45    }
46
47    /**
48     * A helper for FileAppenders.
49     */
50    public static class Helper
51    {
52       public static void makePath(final String JavaDoc filename)
53       {
54          File JavaDoc dir;
55
56          try {
57             URL JavaDoc url = new URL JavaDoc(filename.trim());
58             dir = new File JavaDoc(url.getFile()).getParentFile();
59          }
60          catch (MalformedURLException JavaDoc e) {
61             dir = new File JavaDoc(filename.trim()).getParentFile();
62          }
63
64          if (!dir.exists()) {
65             boolean success = dir.mkdirs();
66             if (!success) {
67                LogLog.error("Failed to create directory structure: " + dir);
68             }
69          }
70       }
71    }
72 }
73
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