bundles/javafx/org.eclipse.emf.emfstore.fx.projects/src/org/eclipse/emf/emfstore/fx/internal/projects/BasicUISessionProvider.java

/*******************************************************************************
 * Copyright (c) 2012-2013 EclipseSource Muenchen GmbH and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors: Max Hohenegger (bug 371196)
 ******************************************************************************/
package org.eclipse.emf.emfstore.fx.internal.projects;

import org.eclipse.emf.emfstore.client.ESServer;
import org.eclipse.emf.emfstore.client.ESUsersession;
import org.eclipse.emf.emfstore.client.ESWorkspaceProvider;
import org.eclipse.emf.emfstore.client.sessionprovider.ESAbstractSessionProvider;
import org.eclipse.emf.emfstore.internal.client.model.ServerInfo;
import org.eclipse.emf.emfstore.internal.client.model.impl.api.ESUsersessionImpl;
import org.eclipse.emf.emfstore.internal.server.exceptions.AccessControlException;
import org.eclipse.emf.emfstore.server.exceptions.ESException;

/**
 * An implementation of a session providers that uses a server selection and a login dialog
 * to authenticate users.
 *
 * @author wesendon
 * @author emueller
 */
// TODO api
@SuppressWarnings("restriction")
public class BasicUISessionProvider extends ESAbstractSessionProvider {

	/**
	 *
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.emf.emfstore.internal.client.model.connectionmanager.SessionProvider#provideUsersession(org.eclipse.emf.emfstore.internal.client.model.ServerInfo)
	 */
	@Override
	public ESUsersession provideUsersession(ESServer server) throws ESException {
		if (server == null) {
			// Integer userInput = RunInUI.runWithResult(new Callable<Integer>() {
			// public Integer call() throws Exception {
			// // try to retrieve a server info by showing a server info selection dialog
			// ServerInfoSelectionDialog dialog = new ServerInfoSelectionDialog(
			// Display.getCurrent().getActiveShell(),
			// ESWorkspaceProviderImpl.getInstance().getInternalWorkspace().getServerInfos());
			// int input = dialog.open();
			// selectedServerInfo = dialog.getResult();
			// return input;
			// }
			// });
			// if (userInput == Dialog.OK) {
			// server = selectedServerInfo;
			// } else if (userInput == Dialog.CANCEL) {
			// throw new LoginCanceledException("Operation canceled by user.");
			// }
			server = ESWorkspaceProvider.INSTANCE.getWorkspace().getServers().get(0);
		}
		if (server == null) {
			throw new AccessControlException("Couldn't determine which server to connect.");
		}

		return loginServerInfo(server);
	}

	/**
	 * Extracted from {@link #provideUsersession(ServerInfo)} in order to allow overwriting. This method logs in a given
	 * server.
	 *
	 * @param server given server
	 * @return Usersession
	 * @throws ESException in case of an exception
	 */
	protected ESUsersession loginServerInfo(ESServer server) throws ESException {
		// TODO Short cut for logged in sessions to avoid loginscreen. We have to discuss whether this is really
		// wanted.
		if (server.getLastUsersession() != null && server.getLastUsersession().isLoggedIn()) {
			return server.getLastUsersession();
		}
		// return new LoginDialogController().login(server);
		return server.login("super", "super");
	}

	@Override
	public ESUsersession login(ESUsersession usersession) throws ESException {
		if (usersession != null) {
			((ESUsersessionImpl) usersession).setPassword("super");
			usersession.refresh();
			return usersession;
			// return new LoginDialogController().login(usersession);
			// return usersession.getServer().login("super", "super");
		}
		return null;
	}
}