--- /dev/null
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mir.changetracker;
+
+import mir.util.LockFile;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Class to report changes by writing to a file and using a lockfile.
+ *
+ * This class is NOT thread-safe, the perform() method should not be called
+ * concurrently.
+ */
+public class ChangeReporter {
+ public static void reportChanges(
+ ChangeTracker aTracker, String aBasePath,
+ List anExcludedPaths, File aReportFilename,
+ File aReportLockfile, long aMaxTimeOut, boolean aFlush) throws IOException {
+
+ reportChanges(aTracker, aBasePath,
+ (String[]) anExcludedPaths.toArray(new String[0]),
+ aReportFilename, aReportLockfile, aMaxTimeOut, aFlush);
+ }
+
+ /**
+ * @param aBasePath The base path that should be tracked
+ * @param anExcludedPaths The paths that are excluded from tracking
+ * @param aTracker The actual tracker to query for changes
+ * @param aReportFilename The file to write changed filenames to
+ * @param aReportLockfile The lockfile for the report file
+ */
+ public static void reportChanges(ChangeTracker aTracker, String aBasePath,
+ String[] anExcludedPaths, File aReportFilename, File aReportLockfile,
+ long aMaxTimeOut, boolean aFlush) throws IOException {
+ List changesToReport = aTracker.getChanges(aBasePath, anExcludedPaths);
+ LockFile lockFile = null;
+
+ if (aReportLockfile!=null)
+ lockFile = new LockFile(aReportLockfile);
+
+ if (changesToReport.size()>0) {
+ if (lockFile == null || lockFile.lock()) {
+ try {
+ FileWriter writer = new FileWriter(aReportFilename.getAbsolutePath(), true);
+ try {
+ Iterator i = changesToReport.iterator();
+ while (i.hasNext()) {
+ writer.write((String) i.next());
+ writer.write("\n");
+ }
+ }
+ finally {
+ try {
+ writer.close();
+ }
+ catch (Throwable t) {
+ }
+ }
+
+ if (aFlush) {
+ aTracker.clearChanges(changesToReport);
+ }
+ }
+ finally {
+ try {
+ if (lockFile!=null)
+ lockFile.unlock();
+ }
+ catch (Throwable t) {
+ }
+ }
+ }
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+
+package mir.changetracker;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Arrays;
+
+/**
+ * Change tracker, tracks changes to a path based repository.
+ * All methods are thread-safe
+ */
+
+public class ChangeTracker {
+ private List changes;
+
+ public ChangeTracker() {
+ changes = new ArrayList();
+ }
+
+ /**
+ * Adds a single change
+ */
+ public void addChange(String aPath) {
+ synchronized (changes) {
+ changes.add(aPath);
+ }
+ }
+
+ /**
+ * Adds an array of changes
+ */
+ public void addChanges(String[] aPaths) {
+ addChanges(Arrays.asList(aPaths));
+ }
+
+ /**
+ * Adds a <code>List</code> of changes
+ */
+ public void addChanges(List aChanges) {
+ synchronized (changes) {
+ changes.addAll(aChanges);
+ }
+ }
+
+ /**
+ * Returns changes within a base path, and removes them from the
+ * tracker.
+ */
+ public List flushChanges(String aBasePath) {
+ return flushChanges(aBasePath, new String[0]);
+ }
+
+ /**
+ * Returns changes within a base path, and removes them from the
+ * tracker.
+ */
+ public List flushChanges(String aBasePath, String[] anExcludedPaths) {
+ synchronized (changes) {
+ List result = getChanges(aBasePath, anExcludedPaths);
+
+ clearChanges(result);
+
+ return result;
+ }
+ }
+
+ /**
+ * Removes changes from the tracker
+ */
+ public void clearChanges(List aChanges) {
+ synchronized (changes) {
+ changes.removeAll(aChanges);
+ }
+ }
+
+ /**
+ * Returns all changes within a base path
+ */
+ public List getChanges(String aBasePath) {
+ synchronized (changes) {
+ List result = new ArrayList();
+
+ Iterator i = changes.iterator();
+ while (i.hasNext()) {
+ String change = (String) i.next();
+ if (change.startsWith(aBasePath))
+ result.add(change);
+ }
+
+ return result;
+ }
+ }
+
+ /**
+ * gets all changes within a base path, but excluding some other paths
+ */
+ public List getChanges(String aBasePath, String[] anExcludingPaths) {
+ synchronized (changes) {
+ List result = getChanges(aBasePath);
+
+ for (int i=0; i<anExcludingPaths.length && result.size()>0; i++) {
+ List remove = new ArrayList();
+ Iterator j = result.iterator();
+ while (j.hasNext()) {
+ String item = (String) j.next();
+ if (item.startsWith(anExcludingPaths[i])) {
+ remove.add(item);
+ }
+ }
+ result.removeAll(remove);
+ }
+
+ return result;
+ }
+ }
+}
\ No newline at end of file
--- /dev/null
+/*\r
+ * Copyright (C) 2006 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with any library licensed under the Apache Software License,\r
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library\r
+ * (or with modified versions of the above that use the same license as the above),\r
+ * and distribute linked combinations including the two. You must obey the\r
+ * GNU General Public License in all respects for all of the code used other than\r
+ * the above mentioned libraries. If you modify this file, you may extend this\r
+ * exception to your version of the file, but you are not obligated to do so.\r
+ * If you do not wish to do so, delete this exception statement from your version.\r
+ */\r
+package mircoders.global;\r
+\r
+import mir.changetracker.ChangeReporter;\r
+import mir.changetracker.ChangeTracker;\r
+import mir.log.LoggerWrapper;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.util.List;\r
+\r
+public class ChangeEngine {\r
+ private ChangeTracker tracker;\r
+ private LoggerWrapper logger;\r
+\r
+ public ChangeEngine() {\r
+ tracker = new ChangeTracker();\r
+ logger = new LoggerWrapper("Global.Changes");\r
+ }\r
+\r
+ /**\r
+ * Return the (global) change tracker\r
+ */\r
+ public ChangeTracker getTracker() {\r
+ return tracker;\r
+ }\r
+\r
+ /**\r
+ *\r
+ * @param aReportFileName\r
+ * @param aLockFileName\r
+ * @param aBasePath\r
+ * @param anExcludedPaths\r
+ * @param aFlush\r
+ */\r
+ public void report(String aReportFileName, String aLockFileName, String aBasePath,\r
+ List anExcludedPaths, boolean aFlush) throws IOException {\r
+\r
+ File reportFile = new File(MirGlobal.config().getHome(), aReportFileName);\r
+ File lockFile = null;\r
+\r
+ if (aLockFileName!=null) {\r
+ lockFile = new File(MirGlobal.config().getHome(), aLockFileName);\r
+ }\r
+\r
+ ChangeReporter.reportChanges(tracker, aBasePath, anExcludedPaths, reportFile, lockFile, 30*1000, aFlush);\r
+ }\r
+}\r
projects / mir.git / commitdiff