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

   1 /*******************************************************************************
   2  * Copyright (c) 2014, 2015 École Polytechnique de Montréal
   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  *   Geneviève Bastien - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.analysis.os.linux.core.tests;
  14
  15 import java.io.IOException;
  16 import java.net.URL;
  17
  18 import org.eclipse.core.runtime.FileLocator;
  19 import org.eclipse.core.runtime.IPath;
  20 import org.eclipse.core.runtime.Path;
  21 import org.eclipse.core.runtime.Plugin;
  22 import org.osgi.framework.BundleContext;
  23
  24 /**
  25  * Activator for this plugin
  26  *
  27  * @author Geneviève Bastien
  28  */
  29 public class Activator extends Plugin {
  30     // ------------------------------------------------------------------------
  31     // Attributes
  32     // ------------------------------------------------------------------------
  33
  34     /**
  35      * The plug-in ID
  36      */
  37     public static final String PLUGIN_ID = "org.eclipse.tracecompass.analysis.linux.core.tests"; //$NON-NLS-1$
  38
  39     /**
  40      * The shared instance
  41      */
  42     private static Activator PLUGIN;
  43
  44     // ------------------------------------------------------------------------
  45     // Constructors
  46     // ------------------------------------------------------------------------
  47
  48     /**
  49      * The constructor
  50      */
  51     public Activator() {
  52     }
  53
  54     // ------------------------------------------------------------------------
  55     // Accessors
  56     // ------------------------------------------------------------------------
  57
  58     /**
  59      * Returns the shared instance
  60      *
  61      * @return the shared instance
  62      */
  63     public static Activator getDefault() {
  64         return PLUGIN;
  65     }
  66
  67     // ------------------------------------------------------------------------
  68     // Operators
  69     // ------------------------------------------------------------------------
  70
  71     @Override
  72     public void start(BundleContext context) throws Exception {
  73         super.start(context);
  74         PLUGIN = this;
  75     }
  76
  77     @Override
  78     public void stop(BundleContext context) throws Exception {
  79         PLUGIN = null;
  80         super.stop(context);
  81     }
  82
  83     /**
  84      * Return a path to a file relative to this plugin's base directory
  85      *
  86      * @param relativePath
  87      *            The path relative to the plugin's root directory
  88      * @return The path corresponding to the relative path in parameter
  89      */
  90     public static IPath getAbsoluteFilePath(String relativePath) {
  91         Activator plugin = Activator.getDefault();
  92         if (plugin == null) {
  93             /*
  94              * Shouldn't happen but at least throw something to get the test to
  95              * fail early
  96              */
  97             throw new IllegalStateException();
  98         }
  99         URL location = FileLocator.find(plugin.getBundle(), new Path(relativePath), null);
 100         try {
 101             return new Path(FileLocator.toFileURL(location).getPath());
 102         } catch (IOException e) {
 103             throw new IllegalStateException();
 104         }
 105     }
 106 }