1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* FileUtils.java - 0.9.0 12/13/2000 - 15:41:52
*
* Copyright (C) 2000,,2003 2002 Matt Albrecht
* groboclown@users.sourceforge.net
* http://groboutils.sourceforge.net
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package net.sourceforge.groboutils.util.io.v1;
import java.util.Hashtable;
import java.util.Vector;
import java.util.Stack;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.File;
import java.io.FilenameFilter;
import java.io.BufferedOutputStream;
import java.io.BufferedInputStream;
import java.io.FileOutputStream;
import java.io.FileInputStream;
/**
* Simple and common file operations in a Utility class.
*
*
* @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
* @since December 13, 2000
* @version $Date: 2003/05/19 20:31:47 $
*/
public class FileUtils
{
//---------------------------------------------------------------------
// Public Static Fields
//---------------------------------------------------------------------
// Protected Static Fields
protected static FileUtils s_instance = new FileUtils();
//---------------------------------------------------------------------
// Private Static Fields
//---------------------------------------------------------------------
// Public Fields
//---------------------------------------------------------------------
// Protected Fields
//---------------------------------------------------------------------
// Private Fields
//---------------------------------------------------------------------
// Constructors
/**
* Default Constructor
*/
protected FileUtils()
{
// do nothing
}
//---------------------------------------------------------------------
// Public Static Methods
public static FileUtils getInstance()
{
return s_instance;
}
//---------------------------------------------------------------------
// Public Methods
/**
* @param source the source file to copy
* @param dir the target directory to copy the sourcefile into: the
* name will remain the same.
*/
public void copyFileToDirectory( File source, File dir )
throws IOException
{
copyFileToFile( source, new File( dir, source.getName() ) );
}
/**
* @param source the source file to copy from.
* @param target the target file to copy to.
*/
public void copyFileToFile( File source, File target )
throws IOException
{
FileInputStream fis = null;
FileOutputStream fos = null;
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try
{
fis = new FileInputStream( source );
fos = new FileOutputStream( target );
bis = new BufferedInputStream( fis );
bos = new BufferedOutputStream( fos );
byte buffer[] = new byte[ 4096 ];
int size = bis.read( buffer, 0, 4096 );
while (size > 0)
{
bos.write( buffer, 0, size );
size = bis.read( buffer, 0, 4096 );
}
}
finally
{
if (bis != null) bis.close();
if (bos != null) bos.close();
if (fis != null) fis.close();
if (fos != null) fos.close();
}
}
/**
* Recursively descends into the base directory, looking for all files
* that pass the filter.
*
* @param baseDir the base directory to start the search.
* @param filter the filename filter to search. If <tt>null</tt>, then
* all files are allowed.
*/
public File[] findFileRecurse( File baseDir, FilenameFilter filter )
// throws IOException
{
if (baseDir == null)
{
throw new IllegalArgumentException( "no null arguments" );
}
if (filter == null)
{
filter = new AllFilenameFilter();
}
Stack dirStack = new Stack();
Vector files = new Vector();
dirStack.push( baseDir );
while (!dirStack.empty())
{
baseDir = (File)dirStack.pop();
String[] list = baseDir.list( filter );
for (int i = list.length; --i >= 0;)
{
File f = new File( baseDir, list[i] );
if (f.isDirectory())
{
dirStack.push( f );
}
else
if (f.isFile())
{
files.addElement( f );
}
}
}
File[] flist = new File[ files.size() ];
files.copyInto( flist );
return flist;
}
//---------------------------------------------------------------------
// Protected Methods
//---------------------------------------------------------------------
// Private Methods
}
|
