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Java > Open Source Codes > org > apache > jetspeed > util > DirectoryUtils


1 /*
2  * Copyright 2000-2001,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.jetspeed.util;
18
19 import java.io.File JavaDoc;
20
21 // Jetspeed classes
22 import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
23 import org.apache.jetspeed.services.logging.JetspeedLogger;
24
25
26 /*
27  * File System Directory Utilities. Some utilities that java.io doesn't give us.
28  *
29  * rmdir() - removes a directory and all subdirectories and files underneath.
30  *
31  * @author David S. Taylor <a HREF="mailto:taylor@apache.org">David Sean Taylor</a>
32  */
33 public class DirectoryUtils
34 {
35     /**
36      * Static initialization of the logger for this class
37      */
38     private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(DirectoryUtils.class.getName());
39     
40     public static void main(String JavaDoc[] args)
41     {
42         DirectoryUtils.rmdir(args[0]);
43     }
44
45     /*
46      * Removes a directory and all subdirectories and files beneath it.
47      *
48      * @param directory The name of the root directory to be deleted.
49      * @return boolean If all went successful, returns true, otherwise false.
50      *
51      */
52     public static final boolean rmdir(String JavaDoc directory)
53     {
54         try
55         {
56             File JavaDoc dir = new File JavaDoc(directory);
57             if (!dir.isDirectory())
58             {
59                 dir.delete();
60                 return true;
61             }
62
63             deleteTraversal(directory);
64
65             dir.delete();
66             return true;
67
68         }
69         catch (Exception JavaDoc e)
70         {
71             logger.error("Error in rmdir utility:" , e);
72             return false;
73         }
74     }
75
76     /*
77      * Recursive deletion engine, traverses through all subdirectories,
78      * attempting to delete every file and directory it comes across.
79      * NOTE: this version doesn't do any security checks, nor does it
80      * check for file modes and attempt to change them.
81      *
82      * @param path The directory path to be traversed.
83      *
84      */
85     private static void deleteTraversal(String JavaDoc path)
86     {
87         File JavaDoc file = new File JavaDoc(path);
88         if (file.isFile())
89         {
90             try
91             {
92                 file.delete();
93             }
94             catch (Exception JavaDoc e)
95             {
96                 logger.error("Failed to Delete file: " + path + " : " , e);
97                 file.deleteOnExit(); // try to get it later...
98 }
99         }
100         else if (file.isDirectory())
101         {
102             if (!path.endsWith(File.separator))
103                 path += File.separator;
104
105             String JavaDoc list[] = file.list();
106
107             // Process all files recursivly
108 for(int ix = 0; list != null && ix < list.length; ix++)
109                 deleteTraversal(path + list[ix]);
110
111             // now try to delete the directory
112 try
113             {
114                 file.delete();
115             }
116             catch (Exception JavaDoc e)
117             {
118                 logger.error("Failed to Delete directory: " + path + " : " , e);
119                 file.deleteOnExit(); // try to get it later...
120 }
121             
122         }
123     }
124 }
125
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