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.
30 package mir.changetracker;
32 import mir.util.LockFile;
35 import java.io.FileWriter;
36 import java.io.IOException;
37 import java.util.Iterator;
38 import java.util.List;
41 * Class to report changes by writing to a file and using a lockfile.
43 * This class is NOT thread-safe, the perform() method should not be called
46 public class ChangeReporter {
47 public static void reportChanges(
48 ChangeTracker aTracker, String aBasePath,
49 List anExcludedPaths, File aReportFilename,
50 File aReportLockfile, long aMaxTimeOut, boolean aFlush) throws IOException {
52 reportChanges(aTracker, aBasePath,
53 (String[]) anExcludedPaths.toArray(new String[0]),
54 aReportFilename, aReportLockfile, aMaxTimeOut, aFlush);
58 * @param aBasePath The base path that should be tracked
59 * @param anExcludedPaths The paths that are excluded from tracking
60 * @param aTracker The actual tracker to query for changes
61 * @param aReportFilename The file to write changed filenames to
62 * @param aReportLockfile The lockfile for the report file
64 public static void reportChanges(ChangeTracker aTracker, String aBasePath,
65 String[] anExcludedPaths, File aReportFilename, File aReportLockfile,
66 long aMaxTimeOut, boolean aFlush) throws IOException {
67 List changesToReport = aTracker.getChanges(aBasePath, anExcludedPaths);
68 LockFile lockFile = null;
70 if (aReportLockfile!=null)
71 lockFile = new LockFile(aReportLockfile);
73 if (changesToReport.size()>0) {
74 if (lockFile == null || lockFile.lock()) {
76 FileWriter writer = new FileWriter(aReportFilename.getAbsolutePath(), true);
78 Iterator i = changesToReport.iterator();
80 writer.write((String) i.next());
93 aTracker.clearChanges(changesToReport);
101 catch (Throwable t) {