/**
* OpenKM, Open Document Management System (http://www.openkm.com)
* Copyright (c) 2006-2011 Paco Avila & Josep Llort
*
* No bytes were intentionally harmed during the development of this application.
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package com.openkm.extension.core;
import java.io.File;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import net.xeoh.plugins.base.Plugin;
import net.xeoh.plugins.base.PluginManager;
import net.xeoh.plugins.base.impl.PluginManagerFactory;
import net.xeoh.plugins.base.options.addpluginsfrom.OptionReportAfter;
import net.xeoh.plugins.base.util.PluginManagerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.openkm.core.Config;
/**
* Base for implementing core extension managers.
*
* @author pavila
*/
public class ExtensionManager {
private static Logger log = LoggerFactory.getLogger(ExtensionManager.class);
protected static URI base = new File(Config.HOME_DIR + File.separator + "plugins").toURI();
private static ExtensionManager em = null;
private static PluginManager pm = null;
private ExtensionManager() {
log.info("Initialize and load plugins...");
pm = PluginManagerFactory.createPluginManager();
if (Config.EXPERIMENTAL_PLUGIN_DEBUG) {
pm.addPluginsFrom(base, new OptionReportAfter());
} else {
pm.addPluginsFrom(base);
}
}
public static synchronized ExtensionManager getInstance() {
if (em == null) {
em = new ExtensionManager();
}
return em;
}
/**
* Get plugins
*/
public <P extends Plugin> List<P> getPlugins(final Class<P> plugin) {
PluginManagerUtil pmu = new PluginManagerUtil(pm);
return new ArrayList<P>(pmu.getPlugins(plugin));
}
/**
* Reset the loaded plugins and load them again
*/
public synchronized void reset() {
log.info("Resetting extensions...");
pm.shutdown();
pm = PluginManagerFactory.createPluginManager();
if (Config.EXPERIMENTAL_PLUGIN_DEBUG) {
pm.addPluginsFrom(base, new OptionReportAfter());
} else {
pm.addPluginsFrom(base);
}
}
/**
* Shutdown the extension manager
*/
public synchronized void shutdown() {
pm.shutdown();
}
}