org.spearce.egit.core/src/org/spearce/egit/core/Activator.java

   1 /*******************************************************************************
   2  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   4  *
   5  * All rights reserved. This program and the accompanying materials
   6  * are made available under the terms of the Eclipse Public License v1.0
   7  * See LICENSE for the full license text, also available.
   8  *******************************************************************************/
   9 package org.spearce.egit.core;
  10
  11 import org.eclipse.core.runtime.CoreException;
  12 import org.eclipse.core.runtime.IStatus;
  13 import org.eclipse.core.runtime.Platform;
  14 import org.eclipse.core.runtime.Status;
  15 import org.eclipse.ui.plugin.AbstractUIPlugin;
  16 import org.osgi.framework.BundleContext;
  17 import org.spearce.egit.core.project.GitProjectData;
  18
  19 /**
  20  * The plugin class for the org.spearce.egit.core plugin. This
  21  * is a singleton class.
  22  */
  23 public class Activator extends AbstractUIPlugin {
  24         private static Activator plugin;
  25
  26         /**
  27          * @return the singleton {@link Activator}
  28          */
  29         public static Activator getDefault() {
  30                 return plugin;
  31         }
  32
  33         /**
  34          * @return the name of this plugin
  35          */
  36         public static String getPluginId() {
  37                 return getDefault().getBundle().getSymbolicName();
  38         }
  39
  40         /**
  41          * Utility method to help throwing errors in the Egit plugin. This method
  42          * does not actually throw the exception, but just creates an instance.
  43          *
  44          * @param message User comprehensible message
  45          * @param thr cause
  46          * @return an Initialized {@link CoreException}
  47          */
  48         public static CoreException error(final String message, final Throwable thr) {
  49                 return new CoreException(new Status(IStatus.ERROR, getPluginId(), 0,
  50                                 message, thr));
  51         }
  52
  53         /**
  54          * Utility method to log errors in the Egit plugin.
  55          * @param message User comprehensible message
  56          * @param thr The exception through which we noticed the error
  57          */
  58         public static void logError(final String message, final Throwable thr) {
  59                 getDefault().getLog().log(
  60                                 new Status(IStatus.ERROR, getPluginId(), 0, message, thr));
  61         }
  62
  63         private static boolean isOptionSet(final String optionId) {
  64                 final String option = getPluginId() + optionId;
  65                 final String value = Platform.getDebugOption(option);
  66                 return value != null && value.equals("true");
  67         }
  68
  69         /**
  70          * Utility method for debug logging.
  71          *
  72          * @param what
  73          */
  74         public static void trace(final String what) {
  75                 if (getDefault().traceVerbose) {
  76                         System.out.println("[" + getPluginId() + "] " + what);
  77                 }
  78         }
  79
  80         private boolean traceVerbose;
  81
  82         /**
  83          * Construct the {@link Activator} singleton instance
  84          */
  85         public Activator() {
  86                 plugin = this;
  87         }
  88
  89         public void start(final BundleContext context) throws Exception {
  90                 super.start(context);
  91                 traceVerbose = isOptionSet("/trace/verbose");
  92                 GitProjectData.reconfigureWindowCache();
  93                 GitProjectData.attachToWorkspace(true);
  94         }
  95
  96         public void stop(final BundleContext context) throws Exception {
  97                 GitProjectData.detachFromWorkspace();
  98                 super.stop(context);
  99                 plugin = null;
 100         }
 101 }