analysis/org.eclipse.tracecompass.analysis.os.linux.core/src/org/eclipse/tracecompass/internal/analysis/os/linux/core/Activator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2015 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Alexandre Montplaisir - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.analysis.os.linux.core;
  14
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.core.runtime.Plugin;
  17 import org.eclipse.core.runtime.Status;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.osgi.framework.BundleContext;
  20
  21 /**
  22  * <b><u>Activator</u></b>
  23  * <p>
  24  * The activator class controls the plug-in life cycle
  25  */
  26 public class Activator extends Plugin {
  27
  28     // ------------------------------------------------------------------------
  29     // Attributes
  30     // ------------------------------------------------------------------------
  31
  32     /**
  33      * The plug-in ID
  34      */
  35     public static final String PLUGIN_ID = "org.eclipse.tracecompass.analysis.linux.core"; //$NON-NLS-1$
  36
  37     /**
  38      * The shared instance
  39      */
  40     private static @Nullable Activator fPlugin;
  41
  42     // ------------------------------------------------------------------------
  43     // Constructors
  44     // ------------------------------------------------------------------------
  45
  46     /**
  47      * The constructor
  48      */
  49     public Activator() {
  50     }
  51
  52     // ------------------------------------------------------------------------
  53     // Accessors
  54     // ------------------------------------------------------------------------
  55
  56     /**
  57      * Returns the shared instance
  58      *
  59      * @return the shared instance
  60      */
  61     public static Activator getDefault() {
  62         Activator plugin = fPlugin;
  63         if (plugin == null) {
  64             throw new IllegalStateException();
  65         }
  66         return plugin;
  67     }
  68
  69     // ------------------------------------------------------------------------
  70     // Operators
  71     // ------------------------------------------------------------------------
  72
  73     @Override
  74     public void start(@Nullable BundleContext context) throws Exception {
  75         super.start(context);
  76         fPlugin = this;
  77     }
  78
  79     @Override
  80     public void stop(@Nullable BundleContext context) throws Exception {
  81         fPlugin = null;
  82         super.stop(context);
  83     }
  84
  85     /**
  86      * Logs a message with severity INFO in the runtime log of the plug-in.
  87      *
  88      * @param message A message to log
  89      */
  90     public void logInfo(String message) {
  91         getLog().log(new Status(IStatus.INFO, PLUGIN_ID, message));
  92     }
  93
  94     /**
  95      * Logs a message and exception with severity INFO in the runtime log of the plug-in.
  96      *
  97      * @param message A message to log
  98      * @param exception A exception to log
  99      */
 100     public void logInfo(String message, Throwable exception) {
 101         getLog().log(new Status(IStatus.INFO, PLUGIN_ID, message, exception));
 102     }
 103
 104     /**
 105      * Logs a message and exception with severity WARNING in the runtime log of the plug-in.
 106      *
 107      * @param message A message to log
 108      */
 109     public void logWarning(String message) {
 110         getLog().log(new Status(IStatus.WARNING, PLUGIN_ID, message));
 111     }
 112
 113     /**
 114      * Logs a message and exception with severity WARNING in the runtime log of the plug-in.
 115      *
 116      * @param message A message to log
 117      * @param exception A exception to log
 118      */
 119     public void logWarning(String message, Throwable exception) {
 120         getLog().log(new Status(IStatus.WARNING, PLUGIN_ID, message, exception));
 121     }
 122
 123     /**
 124      * Logs a message and exception with severity ERROR in the runtime log of the plug-in.
 125      *
 126      * @param message A message to log
 127      */
 128     public void logError(String message) {
 129         getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, message));
 130     }
 131
 132     /**
 133      * Logs a message and exception with severity ERROR in the runtime log of the plug-in.
 134      *
 135      * @param message A message to log
 136      * @param exception A exception to log
 137      */
 138     public void logError(String message, Throwable exception) {
 139         getLog().log(new Status(IStatus.ERROR, PLUGIN_ID, message, exception));
 140     }
 141
 142 }