tmf/org.eclipse.tracecompass.tmf.core.tests/src/org/eclipse/tracecompass/tmf/core/tests/TmfCoreTestPlugin.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2014 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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.tmf.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.eclipse.jdt.annotation.NonNull;
  23 import org.eclipse.tracecompass.internal.tmf.core.TmfCoreTracer;
  24 import org.osgi.framework.BundleContext;
  25
  26 /**
  27  * <b><u>TmfTestPlugin</u></b>
  28  * <p>
  29  * The activator class controls the plug-in life cycle
  30  */
  31 public class TmfCoreTestPlugin extends Plugin {
  32
  33     // ------------------------------------------------------------------------
  34     // Attributes
  35     // ------------------------------------------------------------------------
  36
  37     // The plug-in ID
  38     @SuppressWarnings("javadoc")
  39     public static final String PLUGIN_ID = "org.eclipse.tracecompass.tmf.tests";
  40
  41     // The shared instance
  42     private static TmfCoreTestPlugin fPlugin;
  43
  44     // ------------------------------------------------------------------------
  45     // Constructors
  46     // ------------------------------------------------------------------------
  47
  48     /**
  49      * The constructor
  50      */
  51     public TmfCoreTestPlugin() {
  52         setDefault(this);
  53     }
  54
  55     // ------------------------------------------------------------------------
  56     // Accessors
  57     // ------------------------------------------------------------------------
  58
  59     /**
  60      * @return the shared instance
  61      */
  62     public static TmfCoreTestPlugin getDefault() {
  63         return fPlugin;
  64     }
  65
  66     /**
  67      * @param plugin the shared instance
  68      */
  69     private static void setDefault(TmfCoreTestPlugin plugin) {
  70         fPlugin = plugin;
  71     }
  72
  73     // ------------------------------------------------------------------------
  74     // Operations
  75     // ------------------------------------------------------------------------
  76
  77     @Override
  78     public void start(BundleContext context) throws Exception {
  79         super.start(context);
  80         setDefault(this);
  81         TmfCoreTracer.init();
  82     }
  83
  84     @Override
  85     public void stop(BundleContext context) throws Exception {
  86         TmfCoreTracer.stop();
  87         setDefault(null);
  88         super.stop(context);
  89     }
  90
  91     /**
  92      * Return a path to a file relative to this plugin's base directory
  93      *
  94      * @param relativePath
  95      *            The path relative to the plugin's root directory
  96      * @return The path corresponding to the relative path in parameter
  97      */
  98     public static @NonNull IPath getAbsoluteFilePath(String relativePath) {
  99         Plugin plugin = TmfCoreTestPlugin.getDefault();
 100         if (plugin == null) {
 101             /*
 102              * Shouldn't happen but at least throw something to get the test to
 103              * fail early
 104              */
 105             throw new IllegalStateException();
 106         }
 107         URL location = FileLocator.find(plugin.getBundle(), new Path(relativePath), null);
 108         try {
 109             return new Path(FileLocator.toFileURL(location).getPath());
 110         } catch (IOException e) {
 111             throw new IllegalStateException();
 112         }
 113     }
 114
 115 }