HelpPlugin


1   package org.hibernate.eclipse.help;
2   
3   
4   import java.util.MissingResourceException  ;
5   import java.util.ResourceBundle  ;
6   
7   import org.eclipse.ui.plugin.AbstractUIPlugin;
8   import org.osgi.framework.BundleContext;
9   
10  
11  /**
12   * The main plugin class to be used in the desktop.
13   */
14  public class HelpPlugin extends AbstractUIPlugin {
15      //The shared instance.
16      private static HelpPlugin plugin;
17      //Resource bundle.
18      private ResourceBundle   resourceBundle;
19      
20      /**
21       * The constructor.
22       */
23      public HelpPlugin() {
24          super();
25          plugin = this;
26      }
27  
28      /**
29       * This method is called upon plug-in activation
30       */
31      public void start(BundleContext context) throws Exception   {
32          super.start(context);
33      }
34  
35      /**
36       * This method is called when the plug-in is stopped
37       */
38      public void stop(BundleContext context) throws Exception   {
39          super.stop(context);
40          plugin = null;
41          resourceBundle = null;
42      }
43  
44      /**
45       * Returns the shared instance.
46       */
47      public static HelpPlugin getDefault() {
48          return plugin;
49      }
50  
51      /**
52       * Returns the string from the plugin's resource bundle,
53       * or 'key' if not found.
54       */
55      public static String   getResourceString(String   key) {
56          ResourceBundle   bundle = HelpPlugin.getDefault().getResourceBundle();
57          try {
58              return (bundle != null) ? bundle.getString(key) : key;
59          } catch (MissingResourceException   e) {
60              return key;
61          }
62      }
63  
64      /**
65       * Returns the plugin's resource bundle,
66       */
67      public ResourceBundle   getResourceBundle() {
68          try {
69              if (resourceBundle == null)
70                  resourceBundle = ResourceBundle.getBundle("org.hibernate.eclipse.help2.Help2PluginResources");
71          } catch (MissingResourceException   x) {
72              resourceBundle = null;
73          }
74          return resourceBundle;
75      }
76  }
77
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