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/*******************************************************************************
* Copyright (c) 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ecf.provider.irc.bot;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.ecf.provider.irc.bot.handler.ICommandHandler;
import org.eclipse.ecf.provider.irc.internal.bot.BotEntry;
import org.eclipse.ecf.provider.irc.internal.bot.CommandEntry;
import org.eclipse.ecf.provider.irc.internal.bot.IBotEntry;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
/**
* The activator class controls the plug-in life cycle
*/
public class Activator implements BundleActivator {
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.ecf.provider.irc.bot";
// The shared instance
private static Activator plugin;
private ServiceTracker extensionRegistryTracker = null;
private Map bots = new HashMap();
private Map commands = new HashMap();
/**
* The constructor
*/
public Activator() {
}
public IExtensionRegistry getExtensionRegistry() {
return (IExtensionRegistry) extensionRegistryTracker.getService();
}
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
*/
public void start(BundleContext context) throws Exception {
plugin = this;
this.extensionRegistryTracker = new ServiceTracker(context,
IExtensionRegistry.class.getName(), null);
this.extensionRegistryTracker.open();
loadExtensions();
}
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
*/
public void stop(BundleContext context) throws Exception {
if (extensionRegistryTracker != null) {
extensionRegistryTracker.close();
extensionRegistryTracker = null;
}
plugin = null;
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
public Map getBots() {
return this.bots;
}
private void loadExtensions() throws CoreException {
// load the command handlers
IExtensionRegistry reg = getExtensionRegistry();
if (reg != null) {
IConfigurationElement[] elements = reg.getConfigurationElementsFor("org.eclipse.ecf.provider.irc.bot.commandHandler");
for(int i = 0; i < elements.length; i++) {
String id = elements[i].getAttribute("botId");
String expression = elements[i].getAttribute("expression");
ICommandHandler handler = (ICommandHandler) elements[i].createExecutableExtension("class");
List c = (List) commands.get(id);
if(c == null) {
c = new ArrayList();
c.add(new CommandEntry(expression, handler));
commands.put(id, c);
} else {
c.add(new CommandEntry(expression, handler));
commands.put(id, c);
}
}
// load the bots
elements = reg.getConfigurationElementsFor("org.eclipse.ecf.provider.irc.bot.ircbot");
for(int i = 0; i < elements.length; i++) {
String id = elements[i].getAttribute("id");
String name = elements[i].getAttribute("name");
String server = elements[i].getAttribute("server");
String channel = elements[i].getAttribute("channel");
List c = (List) commands.get(id);
if(c == null)
c = new ArrayList();
IBotEntry bot = new BotEntry(id, name, server, channel, c);
bots.put(id, bot);
}
}
}
}
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