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Java > Open Source Codes > com > jeantessier > classreader > DirectoryClassfileLoader


1  /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 package com.jeantessier.classreader;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.log4j.*;
39
40 public class DirectoryClassfileLoader extends ClassfileLoaderDecorator {
41     public DirectoryClassfileLoader(ClassfileLoader loader) {
42         super(loader);
43     }
44
45     protected void load(String JavaDoc filename) {
46         Logger.getLogger(getClass()).debug("Starting group from path \"" + filename + "\"");
47         
48         try {
49             DirectoryExplorer explorer = new DirectoryExplorer(filename);
50
51             fireBeginGroup(filename, explorer.getCollection().size());
52
53             Iterator i = explorer.getCollection().iterator();
54             while (i.hasNext()) {
55                 File file = (File) i.next();
56                 
57                 fireBeginFile(file.getPath());
58
59                 Logger.getLogger(getClass()).debug("Starting file \"" + file.getPath() + "\" (" + file.length() + " bytes)");
60
61                 if (!file.isDirectory()) {
62                     // No need to close "in" in finally block. Only problems can
63 // be with opening "file".
64 // Errors with contents format will be handled and logged by Load().
65 try {
66                         InputStream in = new FileInputStream(file);
67                         getLoader().load(file.getPath(), in);
68                         in.close();
69                     } catch (IOException ex) {
70                         Logger.getLogger(getClass()).error("Cannot load file \"" + file.getPath() + "\"", ex);
71                     }
72                 }
73
74                 fireEndFile(file.getPath());
75             }
76         } catch (IOException ex) {
77             Logger.getLogger(getClass()).error("Cannot load group \"" + filename + "\"", ex);
78         } finally {
79             fireEndGroup(filename);
80         }
81     }
82     
83     protected void load(String JavaDoc filename, InputStream in) {
84         // Do nothing
85 }
86 }
87
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