org.apache.easyant4e/src/org/apache/easyant4e/Activator.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.easyant4e;

import org.apache.easyant4e.modules.EasyAnt4EclipseModule;
import org.apache.easyant4e.modules.EasyAntCoreModule;
import org.apache.easyant4e.services.EasyantCoreService;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import com.google.inject.Inject;


/**
 * This class manage plugin life cycle
 */
public class Activator extends AbstractUIPlugin {

	private EasyAntPlugin easyAntPlugin;
	private EasyAntCoreModule easyAntCoreModule;
	private EasyAnt4EclipseModule easyAnt4EclipseModule;

	private EasyantCoreService easyantCoreService;
	
	@Inject
	public void setEasyantCoreService(EasyantCoreService easyantCoreService) {
		this.easyantCoreService = easyantCoreService;
	}

	public static final String PLUGIN_ID = "org.apache.easyant4e";

	// The shared instance.
	private static Activator plugin;
	

	/**
	 * Create an activator and a EasyAntModule
	 * 
	 */
	public Activator() {
		super();
		if (plugin == null) {
			plugin = this;
			this.easyAntCoreModule = new EasyAntCoreModule();
			this.easyAnt4EclipseModule = new EasyAnt4EclipseModule();
		}
	}

	@Override
	public void start(BundleContext context) throws Exception {
		super.start(context);
		initializeEasyAntPlugin();		
		easyantCoreService.installPluginsRepository();
		Activator.getDefault().getLog().log(
				new Status(IStatus.INFO, Activator.PLUGIN_ID, 0, "EasyAnt For Eclipse started", null));
	}

	@Override
	public void stop(BundleContext context) throws Exception {
		Activator.getDefault().getLog().log(
				new Status(IStatus.INFO, Activator.PLUGIN_ID, 0, "EasyAnt For Eclipse shutdown", null));
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance.
	 * 
	 * @return the plugin instance
	 */
	public static Activator getDefault() {
		return plugin;
	}

	/**
	 * Returns the EasyAnt Plugin instance.
	 * 
	 * @return the EasyAnt plugin instance
	 */
	public static EasyAntPlugin getEasyAntPlugin() {
		return getDefault().getEasyAntPluginInstance();
	}

	/**
	 * Returns the EasyAntPlugin instance.
	 */
	private EasyAntPlugin getEasyAntPluginInstance() {
		if (easyAntPlugin == null) {
			initializeEasyAntPlugin();
		}
		return easyAntPlugin;
	}

	private void initializeEasyAntPlugin() {
		if (easyAntPlugin == null) {
			easyAntPlugin = new EasyAntPlugin(easyAntCoreModule, easyAnt4EclipseModule);
			easyAntPlugin.injectMembers(this);
		}
	}
		
}