--- /dev/null
+/*
+ * 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);
+ // }
+ }
+
+ }
+}