code: /*--------------------------------------------------------------*
    Copyright (C) 2006-2015 OpenSim Ltd.
  
    This file is distributed WITHOUT ANY WARRANTY. See the file
    'License' for details on this and other legal matters.
  *--------------------------------------------------------------*/
  
  package org.omnetpp.neddoc;
  
  import org.eclipse.core.runtime.IStatus;
  import org.eclipse.core.runtime.Status;
  import org.eclipse.jface.resource.ImageDescriptor;
  import org.eclipse.ui.plugin.AbstractUIPlugin;
  import org.omnetpp.common.util.UIUtils;
  import org.osgi.framework.BundleContext;
  
  /**
   * This class controls the plug-in life cycle
   */
  public class NeddocPlugin extends AbstractUIPlugin {
  
      // The plug-in ID
      public static final String PLUGIN_ID = "org.omnetpp.neddoc";
  
      // The shared instance
      private static NeddocPlugin plugin;
  
      private GeneratorConfiguration generatorConfiguration;
  
      /**
       * The constructor
       */
      public NeddocPlugin() {
      }
  
      /*
       * (non-Javadoc)
       * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
       */
      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)
       */
      public void stop(BundleContext context) throws Exception {
          plugin = null;
          super.stop(context);
      }
  
      /**
       * Returns the shared instance
       *
       * @return the shared instance
       */
      public static NeddocPlugin getDefault() {
          return plugin;
      }
  
      /**
       * Returns an image descriptor for the image file at the given
       * plug-in relative path
       *
       * @param path the path
       * @return the image descriptor
       */
      public static ImageDescriptor getImageDescriptor(String path) {
          return imageDescriptorFromPlugin(PLUGIN_ID, path);
      }
  
      /**
       * Returns the GeneratorConfiguration instance which stores settings between subsequent
       * documentation generations.
       */
      public GeneratorConfiguration getGeneratorConfiguration() {
          if (generatorConfiguration == null) {
              generatorConfiguration = new GeneratorConfiguration();
              restoreGeneratorConfiguration(generatorConfiguration);
          }
  
          return generatorConfiguration;
      }
  
      public void storeGeneratorConfiguration(GeneratorConfiguration generatorConfiguration) {
          generatorConfiguration.store(UIUtils.getDialogSettings(this, GeneratorConfigurationDialog.class.getName()));
      }
  
      public void restoreGeneratorConfiguration(GeneratorConfiguration generatorConfiguration) {
          generatorConfiguration.restore(UIUtils.getDialogSettings(this, GeneratorConfigurationDialog.class.getName()));
      }
  
      public static void logError(Throwable exception) {
          logError(exception.toString(), exception);
      }
  
      public static void logError(String message, Throwable exception) {
          if (plugin != null) {
              plugin.getLog().log(getErrorStatus(message, exception));
          }
          else {
              System.err.println(message);
              exception.printStackTrace();
          }
      }
  
      public static IStatus getErrorStatus(String message, Throwable exception) {
          return new Status(IStatus.ERROR, PLUGIN_ID, 0, message, exception);
      }
  }
  