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/*
* Syncany, www.syncany.org
* Copyright (C) 2011 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.stacksync.desktop;
import com.stacksync.desktop.chunker.TTTD.RollingChecksum;
import com.stacksync.desktop.config.Config;
import com.stacksync.desktop.config.ConnectionController;
import com.stacksync.desktop.config.ConnectionTester;
import com.stacksync.desktop.config.profile.Profile;
import com.stacksync.desktop.exceptions.ConfigException;
import com.stacksync.desktop.exceptions.InitializationException;
import com.stacksync.desktop.exceptions.StorageConnectException;
import com.stacksync.desktop.gui.server.Desktop;
import com.stacksync.desktop.gui.settings.SettingsDialog;
import com.stacksync.desktop.gui.tray.Tray;
import com.stacksync.desktop.gui.tray.TrayEventListenerImpl;
import com.stacksync.desktop.gui.wizard.WizardDialog;
import com.stacksync.desktop.index.Indexer;
import com.stacksync.desktop.logging.RemoteLogs;
import com.stacksync.desktop.periodic.CacheCleaner;
import com.stacksync.desktop.periodic.TreeSearch;
import com.stacksync.desktop.repository.Uploader;
import com.stacksync.desktop.watch.local.LocalWatcher;
import com.stacksync.desktop.watch.remote.ChangeManager;
import java.util.ResourceBundle;
import org.apache.log4j.Logger;
/**
* Represents the application.
*
* <ul>
* <li>{@link Watcher}: Listens to changes of the file system in the given local
* sync folder. Passes changes to the indexer.
* <li>{@link Indexer}: Reads local files and compares them to the versions in
* local database. If necessary, it creates DB versions of new or altered files
* and passes them to the storage manager for upload.
* <li>{@link Uploader}: Uploads and downloads remote files from the shared
* storage. Receives upload requests by the {@link Indexer}, and download
* requests by the {@link PeriodicStorageMonitor}.
* <li>{@link PeriodicStorageMonitor}: Checks the online storage for changes in
* regular intervals, then downloads changes and notifies the
* {@link ChangeManager}.
* </ul>
*
* <p>General application To-Do list: Focus: <b>GET IT TO WORK!</b>
* <ul>
* <li>TODO [high] adjust separator for Win/Linux platforms: e.g. transform "\"
* to "/" EVERYWHERE!
* </ul>
*
* <p>Medium priority To-Do list:
* <ul>
* <li>TODO [medium] Connectivity management: Handle broken connections in every
* single class
* <li>TODO [medium] Make checksum long value instead of int, cp.
* {@link RollingChecksum}
* </ul>
*
* <p>Low priority To-Do list:
* <ul>
* <li>TODO [low] make platform specific file manager integration (windows
* explorer, mac finder, ...)
* <li>TODO [low] cache: implement a cache-cleaning functionality for the local
* and online storage.
* <li>TODO [low] cache: implement a cache-size parameter for the local cache.
* </ul>
*
* <p>Wish list:
* <ul>
* <li>TODO [wish] strategy for down/uploading : FIFO, larget first, ...
* </ul>
*
* @author Philipp C. Heckel <philipp.heckel@gmail.com>
*/
public class Application implements ConnectionController, ApplicationController {
private final Logger logger = Logger.getLogger(Application.class.getName());
private final ResourceBundle resourceBundle = Config.getInstance().getResourceBundle();
private Config config;
private Desktop desktop;
private Indexer indexer;
private LocalWatcher localWatcher;
private Tray tray;
private TreeSearch periodic;
private CacheCleaner cache;
private SettingsDialog settingsDialog;
private ConnectionTester connectionTester;
private Profile profile;
public Application() {
this.connectionTester = new ConnectionTester(this);
}
public void start() throws InitializationException {
logger.info("Starting Application.");
// Do NOT change the order of these method calls!
// They strongly depend on each other.
initDependencies();
boolean deamonMode = config.isDaemonMode();
if (!deamonMode) {
logger.info("Init UI...");
initUI();
}
tray.setStartDemonOnly(deamonMode);
boolean success = loadProfile();
if (success) {
startThreads();
} else {
this.tray.setStatusText("StackSync", resourceBundle.getString("tray_no_internet"));
// Start process to check internet connection
this.connectionTester.start();
}
}
private void initDependencies() {
logger.info("Instantiating dependencies ...");
config = Config.getInstance();
new Thread(new Runnable() {
@Override
public void run() {
config.getDatabase().getEntityManager(); // creates de database to solve some time after.
}
}, "InitDatabase").start();
desktop = Desktop.getInstance();
indexer = Indexer.getInstance();
localWatcher = LocalWatcher.getInstance();
periodic = new TreeSearch();
cache = new CacheCleaner();
tray = Tray.getInstance();
profile = config.getProfile();
tray.registerProcess("StackSync");
}
private void startThreads() {
// Start the rest
// Desktop integration
desktop.start(config.isDaemonMode()); // must be started before indexer!
indexer.start();
localWatcher.start();
periodic.start();
cache.start();
RemoteLogs.getInstance().setActive(config.isRemoteLogs());
}
private void doShutdown() {
logger.info("Shutting down ...");
tray.destroy();
indexer.stop();
localWatcher.stop();
periodic.stop();
cache.stop();
desktop.stop(config.isDaemonMode());
if (config.getProfile() != null) {
config.getProfile().stop();
}
System.exit(0);
}
private void initUI() throws InitializationException {
/* THIS IS NOT NECESSARY SINCE THE SETTINGS DIALOG IS NOT ENABLED
* LEAVE THE CODE HERE FOR A FUTURE USE!
*/
// Settings Dialog
/* try {
EventQueue.invokeAndWait(new Runnable() {
@Override
public void run() {
settingsDialog = new SettingsDialog();
for (Profile p : config.getProfiles().list()) {
settingsDialog.addProfileToTree(p, false);
}
}
});
} catch (Exception ex) {
//checkthis
logger.error("Unable to init SettingsDialog: ", ex);
RemoteLogs.getInstance().sendLog(ex);
throw new InitializationException(ex);
}*/
// Tray
tray.init(resourceBundle.getString("tray_uptodate"));
tray.addTrayEventListener(new TrayEventListenerImpl(this));
tray.updateUI();
/*
// Desktop integration
desktop.start(); // must be started before indexer!
*/
}
private boolean loadProfile() throws InitializationException {
boolean success = true;
Profile profile = config.getProfile();
// a. Launch first time wizard
if (!profile.isInitialized()) {
if (!config.isDaemonMode()) {
profile = initFirstTimeWizard();
} else {
logger.error("Daemon needs config.xml have minimum one profile to start the application.");
}
if (profile == null) {
doShutdown();
}
} else { // b. Activate profiles (Index files, then start local/remote watcher)
try {
initProfile();
} catch (StorageConnectException ex) {
logger.error(ex);
success = false;
}
}
return success;
}
private void initProfile() throws InitializationException, StorageConnectException {
tray.setStatusIcon("StackSync", Tray.StatusIcon.UPDATING);
tray.updateUI(); // This is only necessary in Linux...
tray.setStatusText("StackSync", resourceBundle.getString("tray_initializing"));
if (profile == null) {
throw new InitializationException("No profile found!");
}
if (!profile.isEnabled()) {
return;
}
profile.savePathToRegistry();
try {
profile.setActive(true);
} catch (InitializationException ex) {
logger.error("Can't load the profile.", ex);
RemoteLogs.getInstance().sendLog(ex);
throw ex;
}
tray.setStatusIcon("StackSync", Tray.StatusIcon.UPTODATE);
tray.updateUI(); // This is only necessary in Linux...
tray.setStatusText("StackSync", "");
}
private Profile initFirstTimeWizard() {
Profile newProfile = WizardDialog.showWizardOpenJdk(true);
// Ok clicked
if (newProfile != null) {
config.setProfile(newProfile);
this.profile = newProfile;
//settingsDialog.addProfileToTree(profile, false);
tray.updateUI();
newProfile.savePathToRegistry();
try {
config.save();
newProfile.setActive(true);
} catch (ConfigException ex) {
logger.error("Could not save profile from first-start wizard. EXITING.", ex);
RemoteLogs.getInstance().sendLog(ex);
throw new RuntimeException("Could not save profile from first-start wizard. EXITING.", ex);
} catch (InitializationException ex) {
logger.error("Could not save profile from first-start wizard. EXITING.", ex);
RemoteLogs.getInstance().sendLog(ex);
throw new RuntimeException("Could not save profile from first-start wizard. EXITING.", ex);
} catch (StorageConnectException ex) {
// TODO is this possible???
logger.error("Could not save profile from first-start wizard. EXITING.", ex);
RemoteLogs.getInstance().sendLog(ex);
throw new RuntimeException("Could not save profile from first-start wizard. EXITING.", ex);
}
}
return newProfile;
}
@Override
public void connectionEstablished() {
logger.info("Connection established!!");
this.connectionTester.stop();
tray.setStatusText("StackSync", "");
boolean success = false;
try {
success = loadProfile();
} catch (InitializationException ex) {
logger.error(ex);
System.exit(2);
}
if (success) {
startThreads();
} else {
this.tray.setStatusText("StackSync", resourceBundle.getString("tray_no_internet"));
// Start process to check internet connection
this.connectionTester.start();
}
}
@Override
public void pauseSync() {
logger.info("Pausing syncing.");
if (profile == null) {
return;
}
try {
profile.setActive(false);
} catch (Exception ex) {
logger.error("Could not pause synchronization: ", ex);
RemoteLogs.getInstance().sendLog(ex);
return;
}
indexer.stop();
localWatcher.stop();
periodic.stop();
cache.stop();
desktop.stop(config.isDaemonMode());
tray.setStatusIcon("StackSync", Tray.StatusIcon.DISCONNECTED);
tray.updateUI(); // This is only necessary in Linux...
tray.setStatusText("StackSync", resourceBundle.getString("tray_paused_sync"));
}
@Override
public void resumeSync() {
logger.info("Resume syncing.");
tray.setStatusIcon("StackSync", Tray.StatusIcon.UPDATING);
tray.updateUI(); // This is only necessary in Linux...
tray.setStatusText("StackSync", resourceBundle.getString("tray_initializing"));
try {
initProfile();
} catch (InitializationException ex) {
// Error logged in initProfiles function.
return;
} catch (StorageConnectException ex) {
logger.error("Could not pause synchronization: ", ex);
RemoteLogs.getInstance().sendLog(ex);
return;
}
tray.setStatusIcon("StackSync", Tray.StatusIcon.UPTODATE);
tray.updateUI();
tray.setStatusText("StackSync", "");
desktop.start(config.isDaemonMode()); // must be started before indexer!
indexer.start();
localWatcher.start();
periodic.start();
cache.start();
}
@Override
public void doShutdownTray() {
doShutdown();
}
}
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