Activator.java

/*
 * ******************************************************************************
 * MontiCore Language Workbench
 * Copyright (c) 2015, MontiCore, All rights reserved.
 *
 * This project is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this project. If not, see <http://www.gnu.org/licenses/>.
 * ******************************************************************************
 */
package de.monticore.mojo.m2e;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plugin life-cycle.
 */
public class Activator extends AbstractUIPlugin {
  
  // The plug-in ID
  public static final String PLUGIN_ID = "optionen"; //$NON-NLS-1$
  
  // The shared instance
  private static Activator plugin;
  
  public Activator() {
  }
  
  /* (non-Javadoc)
   * @see
   * org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext
   * ) */
  @Override
  public void start(BundleContext context) throws Exception {
    super.start(context);
    plugin = this;
  }
  
  /* (non-Javadoc)
   * @see
   * org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext
   * ) */
  @Override
  public void stop(BundleContext context) throws Exception {
    plugin = null;
    super.stop(context);
  }
  
  /**
   * Returns the shared instance.
   * 
   * @return the shared instance
   */
  public static Activator getDefault() {
    return plugin;
  }
  
  /**
   * Returns an image descriptor for the image file at the given plugin relative
   * path.
   * 
   * @param path the path
   * @return the image descriptor
   */
  public static ImageDescriptor getImageDescriptor(String path) {
    return imageDescriptorFromPlugin(PLUGIN_ID, path);
  }
  
}