Move to the root the bundles which will be part of v1.4 and v2.2

[lgpl/argeo-commons.git] / org.argeo.security.ui / src / main / java / org / argeo / security / ui / SecurityUiPlugin.java

diff --git a/org.argeo.security.ui/src/main/java/org/argeo/security/ui/SecurityUiPlugin.java b/org.argeo.security.ui/src/main/java/org/argeo/security/ui/SecurityUiPlugin.java
new file mode 100644 (file)
index 0000000..0358418
--- /dev/null
+++ b/org.argeo.security.ui/src/main/java/org/argeo/security/ui/SecurityUiPlugin.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.security.ui;
+
+import java.io.IOException;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.UnsupportedCallbackException;
+
+import org.argeo.ArgeoException;
+import org.argeo.security.ui.dialogs.DefaultLoginDialog;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class SecurityUiPlugin extends AbstractUIPlugin {
+
+       // The plug-in ID
+       public static final String PLUGIN_ID = "org.argeo.security.ui"; //$NON-NLS-1$
+
+       public final static String CONTEXT_KEYRING = "KEYRING";
+
+       private CallbackHandler defaultCallbackHandler;
+       private ServiceRegistration defaultCallbackHandlerReg;
+
+       private static SecurityUiPlugin plugin;
+
+       public static InheritableThreadLocal<Display> display = new InheritableThreadLocal<Display>() {
+
+               @Override
+               protected Display initialValue() {
+                       return Display.getCurrent();
+               }
+       };
+
+       public void start(BundleContext context) throws Exception {
+               super.start(context);
+               plugin = this;
+
+               defaultCallbackHandler = new DefaultCallbackHandler();
+               defaultCallbackHandlerReg = context.registerService(
+                               CallbackHandler.class.getName(), defaultCallbackHandler, null);
+       }
+
+       public void stop(BundleContext context) throws Exception {
+               plugin = null;
+               defaultCallbackHandlerReg.unregister();
+               super.stop(context);
+       }
+
+       /**
+        * Returns the shared instance
+        * 
+        * @return the shared instance
+        */
+       public static SecurityUiPlugin getDefault() {
+               return plugin;
+       }
+
+       public static ImageDescriptor getImageDescriptor(String path) {
+               return imageDescriptorFromPlugin(PLUGIN_ID, path);
+       }
+
+       protected class DefaultCallbackHandler implements CallbackHandler {
+               public void handle(final Callback[] callbacks) throws IOException,
+                               UnsupportedCallbackException {
+
+                       // if (display != null) // RCP
+                       Display displayToUse = display.get();
+                       if (displayToUse == null)// RCP
+                               displayToUse = Display.getDefault();
+                       displayToUse.syncExec(new Runnable() {
+                               public void run() {
+                                       DefaultLoginDialog dialog = new DefaultLoginDialog(display
+                                                       .get().getActiveShell());
+                                       try {
+                                               dialog.handle(callbacks);
+                                       } catch (IOException e) {
+                                               throw new ArgeoException("Cannot open dialog", e);
+                                       }
+                               }
+                       });
+                       // else {// RAP
+                       // DefaultLoginDialog dialog = new DefaultLoginDialog();
+                       // dialog.handle(callbacks);
+                       // }
+               }
+
+       }
+}