2 * Copyright (C) 2001-2006 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 * and distribute linked combinations including the two. You must obey the
23 * GNU General Public License in all respects for all of the code used other than
24 * the above mentioned libraries. If you modify this file, you may extend this
25 * exception to your version of the file, but you are not obligated to do so.
26 * If you do not wish to do so, delete this exception statement from your version.
27 */package mir.changetracker;
29 import mir.util.LockFile;
32 import java.io.FileWriter;
33 import java.io.IOException;
34 import java.util.Iterator;
35 import java.util.List;
38 * Class to report changes by writing to a file and using a lockfile.
40 * This class is NOT thread-safe, the perform() method should not be called
43 public class ChangeReporter {
44 public static void reportChanges(
45 ChangeTracker aTracker, String aBasePath,
46 List anExcludedPaths, File aReportFilename,
47 File aReportLockfile, long aMaxTimeOut, boolean aFlush) throws IOException {
49 reportChanges(aTracker, aBasePath,
50 (String[]) anExcludedPaths.toArray(new String[0]),
51 aReportFilename, aReportLockfile, aMaxTimeOut, aFlush);
55 * @param aBasePath The base path that should be tracked
56 * @param anExcludedPaths The paths that are excluded from tracking
57 * @param aTracker The actual tracker to query for changes
58 * @param aReportFilename The file to write changed filenames to
59 * @param aReportLockfile The lockfile for the report file
61 public static void reportChanges(ChangeTracker aTracker, String aBasePath,
62 String[] anExcludedPaths, File aReportFilename, File aReportLockfile,
63 long aMaxTimeOut, boolean aFlush) throws IOException {
64 List changesToReport = aTracker.getChanges(aBasePath, anExcludedPaths);
65 LockFile lockFile = null;
67 if (aReportLockfile!=null)
68 lockFile = new LockFile(aReportLockfile);
70 if (changesToReport.size()>0) {
71 if (lockFile == null || lockFile.lock()) {
73 FileWriter writer = new FileWriter(aReportFilename.getAbsolutePath(), true);
75 Iterator i = changesToReport.iterator();
77 writer.write((String) i.next());
90 aTracker.removeChanges(changesToReport);