2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
33 import java.io.FileInputStream;
34 import java.io.FileOutputStream;
35 import java.io.FilenameFilter;
36 import java.io.IOException;
37 import java.util.Arrays;
38 import java.util.List;
39 import java.util.Vector;
43 public class FileFunctions {
44 protected static final int FILE_COPY_BUFFER_SIZE = 65536;
46 private FileFunctions() {
49 public static void copyFile(File aSourceFile, File aDestinationFile) throws IOException {
50 FileInputStream inputStream;
51 FileOutputStream outputStream;
53 byte[] buffer = new byte[FILE_COPY_BUFFER_SIZE];
55 inputStream = new FileInputStream(aSourceFile);
57 File directory = new File(aDestinationFile.getParent());
58 if (directory!=null && !directory.exists()){
61 outputStream = new FileOutputStream(aDestinationFile);
64 nrBytesRead = inputStream.read(buffer);
66 outputStream.write(buffer, 0, nrBytesRead);
68 while (nrBytesRead>=0);
79 public static void copyDirectory(File aSourceDirectory, File aDestinationDirectory) throws IOException {
83 File[] files = aSourceDirectory.listFiles();
85 if (!aDestinationDirectory.exists())
86 aDestinationDirectory.mkdirs();
88 for (i=0; i<files.length; i++) {
89 sourceFile = files[i];
90 destinationFile=new File(aDestinationDirectory, sourceFile.getName());
91 if (sourceFile.isDirectory()) {
92 if (!destinationFile.exists())
93 destinationFile.mkdir();
94 copyDirectory(sourceFile, destinationFile);
97 copyFile(sourceFile, destinationFile);
102 public static void copy(File aSource, File aDestination) throws IOException {
103 if (aSource.isDirectory()) {
104 copyDirectory(aSource, aDestination);
106 else if (aDestination.isDirectory()) {
107 copyFile(aSource, new File(aDestination, aSource.getName()));
110 copyFile(aSource, aDestination);
114 public static class RegExpFileFilter implements FilenameFilter {
115 private RE expression;
117 public RegExpFileFilter(String anExpression) {
119 expression = new RE(anExpression);
121 catch (Throwable t) {
122 throw new RuntimeException(t.getMessage());
126 public boolean accept(File aDir, String aName) {
127 return expression.isMatch(aName) && !new File(aDir, aName).isDirectory();
131 public static class DirectoryFilter implements FilenameFilter {
132 public DirectoryFilter() {
135 public boolean accept(File aDir, String aName) {
136 return new File(aDir, aName).isDirectory();
141 public static List getDirectoryContentsAsList(File aDirectory, FilenameFilter aFilter) {
142 Object[] contents = aDirectory.list(aFilter);
146 return Arrays.asList(contents);