OsgiExplorerPlugin.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.osgi.ui.explorer;
  17
  18 import org.eclipse.jface.resource.ImageDescriptor;
  19 import org.eclipse.ui.plugin.AbstractUIPlugin;
  20 import org.osgi.framework.BundleContext;
  21
  22 /**
  23  * The activator class controls the plug-in life cycle
  24  */
  25 public class OsgiExplorerPlugin extends AbstractUIPlugin {
  26
  27         // The plug-in ID
  28         public static final String PLUGIN_ID = "org.argeo.osgi.ui.explorer"; //$NON-NLS-1$
  29
  30         // The shared instance
  31         private static OsgiExplorerPlugin plugin;
  32
  33         /**
  34          * The constructor
  35          */
  36         public OsgiExplorerPlugin() {
  37         }
  38
  39         /*
  40          * (non-Javadoc)
  41          *
  42          * @see
  43          * org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext
  44          * )
  45          */
  46         public void start(BundleContext context) throws Exception {
  47                 super.start(context);
  48                 plugin = this;
  49         }
  50
  51         /*
  52          * (non-Javadoc)
  53          *
  54          * @see
  55          * org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext
  56          * )
  57          */
  58         public void stop(BundleContext context) throws Exception {
  59                 plugin = null;
  60                 super.stop(context);
  61         }
  62
  63         /**
  64          * Returns the shared instance
  65          *
  66          * @return the shared instance
  67          */
  68         public static OsgiExplorerPlugin getDefault() {
  69                 return plugin;
  70         }
  71
  72         public static ImageDescriptor getImageDescriptor(String path) {
  73                 return imageDescriptorFromPlugin(PLUGIN_ID, path);
  74         }
  75
  76 }