Java tutorial
/******************************************************************************** * Copyright (c) 2016 IBM Corporation and others. * This program and the accompanying materials are made available under the terms * of the Eclipse Public License v1.0 which accompanies this distribution, and is * available at http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Wainer S. Moschetta (IBM) - initial API and implementation ********************************************************************************/ package org.eclipse.cdt.launch.remote; import java.util.ArrayList; import org.eclipse.cdt.internal.launch.remote.Activator; import org.eclipse.cdt.internal.launch.remote.Messages; import org.eclipse.core.runtime.ILog; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Plugin; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.remote.core.IRemoteCommandShellService; import org.eclipse.remote.core.IRemoteConnection; import org.eclipse.remote.core.IRemoteConnectionType; import org.eclipse.remote.core.IRemoteConnectionWorkingCopy; import org.eclipse.remote.core.IRemoteServicesManager; import org.eclipse.remote.core.exception.RemoteConnectionException; import org.eclipse.remote.ui.IRemoteUIConnectionService; import org.eclipse.remote.ui.IRemoteUIConnectionWizard; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class RemoteUIHelper { /** * Open dialog to edit a remote connection. * * @param connection - the remote connection * @param shell - the shell */ public static void editConnectionDialog(IRemoteConnection connection, Shell shell) { if (connection == null) { return; } IRemoteUIConnectionService uiConnServices = connection.getConnectionType() .getService(IRemoteUIConnectionService.class); IRemoteUIConnectionWizard wizard = uiConnServices.getConnectionWizard(shell); wizard.setConnection(connection.getWorkingCopy()); IRemoteConnectionWorkingCopy connCopy = wizard.open(); if (connCopy != null) { try { connCopy.save(); } catch (RemoteConnectionException e) { logError(e); } } } /** * Open dialog for user to create a new connection. * * @param shell - the shell */ public static void newConnectionDialog(Shell shell) { /* * Evoke native new connection wizard and save connection * if created by the user. */ class NewRemoteConnectionDialog extends Dialog { private String title; private Combo fConnSelection; private IRemoteServicesManager manager; protected NewRemoteConnectionDialog(Shell parentShell, String windowTitle) { super(parentShell); title = windowTitle; manager = Activator.getService(IRemoteServicesManager.class); } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText(title); } @Override protected Control createDialogArea(Composite parent) { Composite composite = (Composite) super.createDialogArea(parent); Label label = new Label(composite, SWT.WRAP); label.setText(Messages.RemoteCMainTab_New_conntype_combo_label); GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER); data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH); label.setLayoutData(data); label.setFont(parent.getFont()); fConnSelection = new Combo(composite, SWT.DROP_DOWN | SWT.READ_ONLY); ArrayList<String> suitableConnections = new ArrayList<>(); for (IRemoteConnectionType type : manager.getAllConnectionTypes()) { if (type.canAdd() && type.getConnectionServices().contains(IRemoteCommandShellService.class.getName())) { fConnSelection.setData(type.getName(), type.getId()); suitableConnections.add(type.getName()); } } fConnSelection.setItems(suitableConnections.toArray(new String[0])); fConnSelection.select(0); applyDialogFont(composite); return composite; } @Override protected void buttonPressed(int buttonId) { if (buttonId == IDialogConstants.OK_ID) { String connTypeId = (String) fConnSelection.getData(fConnSelection.getText()); IRemoteConnectionType connType = manager.getConnectionType(connTypeId); IRemoteUIConnectionService fUIConnectionManager = connType .getService(IRemoteUIConnectionService.class); IRemoteUIConnectionWizard wizard = fUIConnectionManager.getConnectionWizard(this.getShell()); IRemoteConnectionWorkingCopy wc = wizard.open(); if (wc != null) { try { wc.save(); } catch (RemoteConnectionException e) { logError(e); } } } super.buttonPressed(buttonId); } } NewRemoteConnectionDialog dlg = new NewRemoteConnectionDialog(shell, Messages.RemoteCMainTab_New_title); dlg.setBlockOnOpen(true); dlg.open(); } /** * Get a property associated with the connection. * * @param connection - the connection * @param property - the property's name * @return the property's value or empty string if it is not set. */ public static String getConnectionProperty(IRemoteConnection connection, String property) { String key = IRemoteConnectionHostConstants.PI_REMOTE_CDT + "." //$NON-NLS-1$ + property; return connection.getAttribute(key); } /** * Associate a property with the connection. * * @param connection - the connection * @param property - the property's name * @param value the property's value */ public static void setConnectionProperty(IRemoteConnection connection, String property, String value) { String key = IRemoteConnectionHostConstants.PI_REMOTE_CDT + "." //$NON-NLS-1$ + property; IRemoteConnectionWorkingCopy wc = connection.getWorkingCopy(); wc.setAttribute(key, value); try { wc.save(); } catch (RemoteConnectionException e) { logError(e); } } private static void logError(Exception e) { Plugin plugin = Activator.getDefault(); ILog logger = plugin.getLog(); logger.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e)); } }