security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/SecurityUiPlugin.java

   1 package org.argeo.security.ui;
   2
   3 import java.io.IOException;
   4
   5 import javax.security.auth.callback.Callback;
   6 import javax.security.auth.callback.CallbackHandler;
   7 import javax.security.auth.callback.UnsupportedCallbackException;
   8
   9 import org.argeo.security.ui.dialogs.DefaultLoginDialog;
  10 import org.eclipse.jface.resource.ImageDescriptor;
  11 import org.eclipse.ui.plugin.AbstractUIPlugin;
  12 import org.osgi.framework.BundleContext;
  13 import org.osgi.framework.ServiceRegistration;
  14
  15 /**
  16  * The activator class controls the plug-in life cycle
  17  */
  18 public class SecurityUiPlugin extends AbstractUIPlugin {
  19
  20         // The plug-in ID
  21         public static final String PLUGIN_ID = "org.argeo.security.ui"; //$NON-NLS-1$
  22
  23         public final static String CONTEXT_KEYRING = "KEYRING";
  24
  25         private CallbackHandler defaultCallbackHandler;
  26         private ServiceRegistration defaultCallbackHandlerReg;
  27
  28         private static SecurityUiPlugin plugin;
  29
  30         public void start(BundleContext context) throws Exception {
  31                 super.start(context);
  32                 plugin = this;
  33
  34                 defaultCallbackHandler = new CallbackHandler() {
  35                         public void handle(Callback[] callbacks) throws IOException,
  36                                         UnsupportedCallbackException {
  37                                 DefaultLoginDialog dialog = new DefaultLoginDialog();
  38                                 dialog.handle(callbacks);
  39                         }
  40                 };
  41                 defaultCallbackHandlerReg = context.registerService(
  42                                 CallbackHandler.class.getName(), defaultCallbackHandler, null);
  43         }
  44
  45         public void stop(BundleContext context) throws Exception {
  46                 plugin = null;
  47                 defaultCallbackHandlerReg.unregister();
  48                 super.stop(context);
  49         }
  50
  51         /**
  52          * Returns the shared instance
  53          *
  54          * @return the shared instance
  55          */
  56         public static SecurityUiPlugin getDefault() {
  57                 return plugin;
  58         }
  59
  60         public static ImageDescriptor getImageDescriptor(String path) {
  61                 return imageDescriptorFromPlugin(PLUGIN_ID, path);
  62         }
  63 }