-/*
- * 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.cms.ui.workbench.internal.useradmin.commands;
-
-import javax.transaction.Status;
-import javax.transaction.UserTransaction;
-
-import org.argeo.cms.CmsException;
-import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
-import org.argeo.cms.ui.workbench.internal.useradmin.UiAdminUtils;
-import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
-import org.eclipse.core.commands.AbstractHandler;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.osgi.service.useradmin.UserAdminEvent;
-
-/** Manage the transaction that is bound to the current perspective */
-public class UserTransactionHandler extends AbstractHandler {
- public final static String ID = WorkbenchUiPlugin.PLUGIN_ID
- + ".userTransactionHandler";
-
- public final static String PARAM_COMMAND_ID = "param.commandId";
-
- public final static String TRANSACTION_BEGIN = "transaction.begin";
- public final static String TRANSACTION_COMMIT = "transaction.commit";
- public final static String TRANSACTION_ROLLBACK = "transaction.rollback";
-
- /* DEPENDENCY INJECTION */
- private UserAdminWrapper userAdminWrapper;
-
- public Object execute(ExecutionEvent event) throws ExecutionException {
- String commandId = event.getParameter(PARAM_COMMAND_ID);
- final UserTransaction userTransaction = userAdminWrapper
- .getUserTransaction();
- try {
- if (TRANSACTION_BEGIN.equals(commandId)) {
- if (userTransaction.getStatus() != Status.STATUS_NO_TRANSACTION)
- throw new CmsException("A transaction already exists");
- else
- userTransaction.begin();
- } else if (TRANSACTION_COMMIT.equals(commandId)) {
- if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION)
- throw new CmsException("No transaction.");
- else
- userTransaction.commit();
- } else if (TRANSACTION_ROLLBACK.equals(commandId)) {
- if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION)
- throw new CmsException("No transaction to rollback.");
- else {
- userTransaction.rollback();
- userAdminWrapper.notifyListeners(new UserAdminEvent(null,
- UserAdminEvent.ROLE_CHANGED, null));
- }
- }
-
- UiAdminUtils.notifyTransactionStateChange(userTransaction);
- // Try to remove invalid thread access errors when managing users.
- // HandlerUtil.getActivePart(event).getSite().getShell().getDisplay()
- // .asyncExec(new Runnable() {
- // @Override
- // public void run() {
- // UiAdminUtils
- // .notifyTransactionStateChange(userTransaction);
- // }
- // });
-
- } catch (CmsException e) {
- throw e;
- } catch (Exception e) {
- throw new CmsException("Unable to call " + commandId + " on "
- + userTransaction, e);
- }
- return null;
- }
-
- /* DEPENDENCY INJECTION */
- public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
- this.userAdminWrapper = userAdminWrapper;
- }
-}