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/** |
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$Id$ |
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Copyright (C) 2010 Nicklas Nordborg |
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This file is part of Bittorent download service for BASE. |
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Available at http://baseplugins.thep.lu.se/ |
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. |
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*/ |
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package net.sf.basedb.clients.torrent.service; |
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|
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import java.net.URL; |
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import java.util.Properties; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import net.sf.basedb.clients.web.extensions.service.ServiceControllerAction; |
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import net.sf.basedb.core.ConfigurationException; |
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/** |
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Action for hooking into the BASE extensions system. This action |
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is used to control a single {@link TorrentService} instance. Actions |
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are created by {@link TorrentServiceControllerFactory}. |
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|
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@author Nicklas |
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@since 1.0 |
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@see TorrentServiceControllerFactory |
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@see TorrentService |
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*/ |
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public class TorrentServiceController |
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implements ServiceControllerAction |
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{ |
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private static final Logger log = LoggerFactory.getLogger(TorrentServiceController.class); |
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|
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private final String configFile; |
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private TorrentService service; |
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|
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/** |
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Creates a new service controller action for controlling |
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a single ftp server service |
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@param configFile The path to configuration file (classpath based), |
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if null the default (/torrent.properties) is used |
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*/ |
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public TorrentServiceController(String configFile) |
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{ |
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this.configFile = configFile == null ? "/torrent.properties" : configFile; |
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} |
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|
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/* |
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From the ServiceControllerAction interface |
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------------------------------------------- |
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*/ |
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@Override |
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public boolean isRunning() |
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{ |
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return service != null && service.isRunning(); |
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} |
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|
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@Override |
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public void start() |
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{ |
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try |
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{ |
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getService().start(); |
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} |
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catch (RuntimeException ex) |
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{ |
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service = null; |
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throw ex; |
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} |
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} |
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|
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@Override |
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public void stop() |
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{ |
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if (service != null) |
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{ |
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service.stop(); |
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service = null; |
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} |
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} |
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// ---------------------------------------------- |
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|
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/* |
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From the Object class |
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--------------------------------------------- |
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*/ |
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@Override |
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public String toString() |
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{ |
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return "Bittorrent Download Service"; |
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} |
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// ---------------------------------------------- |
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|
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/** |
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Get or create the {@link TorrentService}. A controller can only be associated |
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with a single bittorrent service. |
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*/ |
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private TorrentService getService() |
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{ |
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if (service == null) |
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{ |
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log.info("Initializing Bittorrent Download Service"); |
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try |
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{ |
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log.debug("configuration file=" + configFile); |
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URL config = TorrentService.class.getResource(configFile); |
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if (config == null) |
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{ |
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throw new ConfigurationException("Can't find the configuration file. " + |
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"Make sure '" + configFile + "' is in the CLASSPATH."); |
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} |
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Properties properties = new Properties(); |
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properties.load(config.openStream()); |
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service = TorrentService.getInstance(properties); |
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log.info("Bittorrent Download Service initialized successfully"); |
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} |
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catch (RuntimeException ex) |
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{ |
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log.error("Could not initialize Bittorrent Download Service", ex); |
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throw ex; |
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} |
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catch (Exception ex) |
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{ |
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log.error("Could not initialize Bittorrent Download Service", ex); |
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throw new RuntimeException(ex); |
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} |
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} |
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return service; |
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} |
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|
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} |