01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.management.ui;
22
23 import org.eclipse.jface.resource.ImageDescriptor;
24 import org.eclipse.ui.plugin.AbstractUIPlugin;
25 import org.osgi.framework.BundleContext;
26
27 /**
28 * The activator class controls the plug-in life cycle
29 * @author Bhupendra Bhardwaj
30 */
31 public class Activator extends AbstractUIPlugin
32 {
33 // The plug-in ID
34 public static final String PLUGIN_ID = "org.apache.qpid.management.ui";
35
36 // The shared instance
37 private static Activator plugin;
38
39 /**
40 * The constructor
41 */
42 public Activator()
43 {
44 plugin = this;
45 }
46
47 /*
48 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
49 */
50 public void start(BundleContext context) throws Exception
51 {
52 super.start(context);
53 }
54
55 /*
56 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
57 */
58 public void stop(BundleContext context) throws Exception
59 {
60 plugin = null;
61 super.stop(context);
62 }
63
64 /**
65 * Returns the shared instance
66 *
67 * @return the shared instance
68 */
69 public static Activator getDefault()
70 {
71 return plugin;
72 }
73
74 /**
75 * Returns an image descriptor for the image file at the given plug-in relative path
76 *
77 * @param path the path
78 * @return the image descriptor
79 */
80 public static ImageDescriptor getImageDescriptor(String path)
81 {
82 return imageDescriptorFromPlugin(PLUGIN_ID, path);
83 }
84 }
|