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package net.ess3.backup;
import static net.ess3.I18n._;
import net.ess3.api.IBackup;
import net.ess3.api.IEssentials;
import net.ess3.api.ISettings;
import net.ess3.api.server.CommandSender;
import net.ess3.api.server.IServer;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import lombok.Cleanup;
public class Backup implements Runnable, IBackup
{
private transient final IServer server;
private transient final IEssentials ess;
private transient final AtomicBoolean running = new AtomicBoolean(false);
private transient int taskId = -1;
private transient final AtomicBoolean active = new AtomicBoolean(false);
public Backup(final IEssentials ess)
{
this.ess = ess;
server = ess.getServer();
if (!server.getOnlinePlayers().isEmpty())
{
startTask();
}
}
@Override
public final void startTask()
{
if (running.compareAndSet(false, true))
{
@Cleanup
final ISettings settings = ess.getSettings();
settings.acquireReadLock();
final long interval = settings.getData().getGeneral().getBackup().getInterval() * 1200; // minutes -> ticks
if (interval < 1200)
{
running.set(false);
return;
}
taskId = ess.getPlugin().scheduleSyncRepeatingTask(this, interval, interval);
}
}
@Override
public void run()
{
if (!active.compareAndSet(false, true))
{
return;
}
@Cleanup
final ISettings settings = ess.getSettings();
settings.acquireReadLock();
final String command = settings.getData().getGeneral().getBackup().getCommand();
if (command == null || command.isEmpty())
{
return;
}
ess.getLogger().log(Level.INFO, _("backupStarted"));
final CommandSender consoleSender = server.getConsoleSender();
server.dispatchCommand(consoleSender, "save-all");
server.dispatchCommand(consoleSender, "save-off");
ess.getPlugin().scheduleAsyncDelayedTask(new BackupRunner(command));
}
private class BackupRunner implements Runnable
{
private final transient String command;
public BackupRunner(final String command)
{
this.command = command;
}
@Override
public void run()
{
try
{
final ProcessBuilder childBuilder = new ProcessBuilder(command);
childBuilder.redirectErrorStream(true);
childBuilder.directory(ess.getPlugin().getRootFolder());
final Process child = childBuilder.start();
final BufferedReader reader = new BufferedReader(new InputStreamReader(child.getInputStream()));
try
{
child.waitFor();
String line;
do
{
line = reader.readLine();
if (line != null)
{
ess.getLogger().log(Level.INFO, line);
}
}
while (line != null);
}
finally
{
reader.close();
}
}
catch (InterruptedException ex)
{
ess.getLogger().log(Level.SEVERE, null, ex);
}
catch (IOException ex)
{
ess.getLogger().log(Level.SEVERE, null, ex);
}
finally
{
ess.getPlugin().scheduleSyncDelayedTask(new EnableSavingRunner());
}
}
}
private class EnableSavingRunner implements Runnable
{
@Override
public void run()
{
server.dispatchCommand(server.getConsoleSender(), "save-on");
if (server.getOnlinePlayers().isEmpty())
{
running.set(false);
if (taskId != -1)
{
ess.getPlugin().cancelTask(taskId);
}
}
active.set(false);
ess.getLogger().log(Level.INFO, _("backupFinished"));
}
}
}
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