Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.directory.studio.ldapservers.actions; import org.apache.directory.studio.ldapservers.LdapServersPlugin; import org.apache.directory.studio.ldapservers.LdapServersPluginConstants; import org.apache.directory.studio.ldapservers.jobs.StartLdapServerRunnable; import org.apache.directory.studio.ldapservers.jobs.StudioLdapServerJob; import org.apache.directory.studio.ldapservers.model.LdapServer; import org.apache.directory.studio.ldapservers.model.LdapServerAdapter; import org.apache.directory.studio.ldapservers.model.LdapServerAdapterExtension; import org.apache.directory.studio.ldapservers.views.ServersView; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.osgi.util.NLS; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.IWorkbenchWindowActionDelegate; /** * This class implements the start action for a server. * * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> */ public class StartAction extends Action implements IWorkbenchWindowActionDelegate { /** The associated view */ private ServersView view; /** * Creates a new instance of StartAction. */ public StartAction() { super(Messages.getString("StartAction.Start")); //$NON-NLS-1$ init(); } /** * Creates a new instance of StartAction. * * @param view * the associated view */ public StartAction(ServersView view) { super(Messages.getString("StartAction.Start")); //$NON-NLS-1$ this.view = view; init(); } /** * Initializes the action. */ private void init() { setId(LdapServersPluginConstants.CMD_START); setActionDefinitionId(LdapServersPluginConstants.CMD_START); setToolTipText(Messages.getString("StartAction.StartToolTip")); //$NON-NLS-1$ setImageDescriptor(LdapServersPlugin.getDefault().getImageDescriptor(LdapServersPluginConstants.IMG_START)); } /** * {@inheritDoc} */ public void run() { if (view != null) { // Getting the selection StructuredSelection selection = (StructuredSelection) view.getViewer().getSelection(); if ((!selection.isEmpty()) && (selection.size() == 1)) { // Getting the server LdapServer server = (LdapServer) selection.getFirstElement(); LdapServerAdapterExtension ldapServerAdapterExtension = server.getLdapServerAdapterExtension(); if ((ldapServerAdapterExtension != null) && (ldapServerAdapterExtension.getInstance() != null)) { LdapServerAdapter ldapServerAdapter = ldapServerAdapterExtension.getInstance(); try { // Getting the ports already in use String[] portsAlreadyInUse = ldapServerAdapter.checkPortsBeforeServerStart(server); if ((portsAlreadyInUse == null) || (portsAlreadyInUse.length > 0)) { String title = null; String message = null; if (portsAlreadyInUse.length == 1) { title = Messages.getString("StartAction.PortInUse"); //$NON-NLS-1$ message = NLS.bind(Messages.getString("StartAction.PortOfProtocolInUse"), //$NON-NLS-1$ new String[] { portsAlreadyInUse[0] }); } else { title = Messages.getString("StartAction.PortsInUse"); //$NON-NLS-1$ message = Messages.getString("StartAction.PortsOfProtocolsInUse"); //$NON-NLS-1$ for (String portAlreadyInUse : portsAlreadyInUse) { message += "\n - " + portAlreadyInUse; //$NON-NLS-1$ } } message += "\n\n" + Messages.getString("StartAction.Continue"); //$NON-NLS-1$ //$NON-NLS-2$ MessageDialog dialog = new MessageDialog(view.getSite().getShell(), title, null, message, MessageDialog.WARNING, new String[] { IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL }, MessageDialog.OK); if (dialog.open() == MessageDialog.CANCEL) { return; } } // Creating and scheduling the job to start the server StudioLdapServerJob job = new StudioLdapServerJob(new StartLdapServerRunnable(server)); job.schedule(); } catch (Exception e) { // Showing an error in case no LDAP Server Adapter can be found MessageDialog.openError(view.getSite().getShell(), Messages.getString("StartAction.ErrorStartingServer"), //$NON-NLS-1$ NLS.bind( Messages.getString("StartAction.ServerCanNotBeStarted") + "\n" //$NON-NLS-1$//$NON-NLS-2$ + Messages.getString("StartAction.Cause"), //$NON-NLS-1$ server.getName(), e.getMessage())); } } else { // Showing an error in case no LDAP Server Adapter can be found MessageDialog.openError(view.getSite().getShell(), Messages.getString("StartAction.NoLdapServerAdapter"), //$NON-NLS-1$ NLS.bind(Messages.getString("StartAction.ServerCanNotBeStarted") + "\n" //$NON-NLS-1$ //$NON-NLS-2$ + Messages.getString("StartAction.NoLdapServerAdapterCouldBeFound"), //$NON-NLS-1$ server.getName())); } } } } /** * {@inheritDoc} */ public void run(IAction action) { run(); } /** * {@inheritDoc} */ public void dispose() { // Nothing to do } /** * {@inheritDoc} */ public void init(IWorkbenchWindow window) { // Nothing to do } /** * {@inheritDoc} */ public void selectionChanged(IAction action, ISelection selection) { // Nothing to do } }