bundles/org.simantics.project/src/org/simantics/project/internal/Activator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.project.internal;
  13
  14 import java.util.Hashtable;
  15
  16 import org.eclipse.core.runtime.Plugin;
  17 import org.osgi.framework.BundleContext;
  18 import org.osgi.framework.ServiceRegistration;
  19 import org.simantics.project.features.registry.IProjectFeatureRegistry;
  20
  21 /**
  22  * @author Tuukka Lehtonen
  23  */
  24 public class Activator extends Plugin {
  25
  26     // The plug-in ID
  27     public static final String     PLUGIN_ID                     = "org.simantics.project";
  28
  29     // The shared instance
  30     private static Activator       plugin;
  31
  32     private BundleContext          bundleContext;
  33
  34     private ProjectFeatureRegistry projectFeatureRegistryService = null;
  35     @SuppressWarnings("rawtypes")
  36     private ServiceRegistration    projectFeatureRegistry        = null;
  37
  38     /**
  39      * The constructor
  40      */
  41     public Activator() {
  42     }
  43
  44     /*
  45      * (non-Javadoc)
  46      * @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
  47      */
  48     @SuppressWarnings({ "unchecked", "rawtypes" })
  49     @Override
  50     public void start(BundleContext context) throws Exception {
  51         super.start(context);
  52         this.bundleContext = context;
  53         plugin = this;
  54
  55         projectFeatureRegistryService = new ProjectFeatureRegistry();
  56         projectFeatureRegistry = bundleContext.registerService(IProjectFeatureRegistry.class.getName(), projectFeatureRegistryService, new Hashtable());
  57     }
  58
  59     /*
  60      * (non-Javadoc)
  61      * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
  62      */
  63     @Override
  64     public void stop(BundleContext context) throws Exception {
  65         if (projectFeatureRegistry != null) {
  66             projectFeatureRegistry.unregister();
  67             projectFeatureRegistry = null;
  68         }
  69
  70         this.bundleContext = null;
  71         plugin = null;
  72         super.stop(context);
  73     }
  74
  75     /**
  76      * Returns the shared instance
  77      *
  78      * @return the shared instance
  79      */
  80     public static Activator getDefault() {
  81         return plugin;
  82     }
  83
  84     /**
  85      * @return
  86      */
  87     public IProjectFeatureRegistry getProjectFeatureRegistry() {
  88         return projectFeatureRegistryService;
  89     }
  90
  91     public BundleContext getContext() {
  92         return bundleContext;
  93     }
  94
  95 }