rms/org.eclipse.ptp.rm.smoa.ui/src/org/eclipse/ptp/rm/smoa/ui/wizards/SMOAResourceManagerConfigurationWizardPage.java - ptp/org.eclipse.ptp - Git at Google

 /*******************************************************************************
  * Copyright (c) 2010 Poznan Supercomputing and Networking Center
  * All rights reserved. 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:
  *     Jan Konczak (PSNC) - initial implementation
  ******************************************************************************/

 package org.eclipse.ptp.rm.smoa.ui.wizards;

 import java.io.File;

 import org.eclipse.equinox.security.storage.StorageException;
 import org.eclipse.ptp.rm.smoa.core.SMOAConfiguration.AuthType;
 import org.eclipse.ptp.rm.smoa.core.rmsystem.SMOAResourceManager;
 import org.eclipse.ptp.rm.smoa.core.rmsystem.SMOAResourceManagerConfiguration;
 import org.eclipse.ptp.ui.wizards.IRMConfigurationWizard;
 import org.eclipse.ptp.ui.wizards.RMConfigurationWizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.StackLayout;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.MessageBox;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Spinner;
 import org.eclipse.swt.widgets.Text;

 /**
  * GUI for configuring {@link SMOAResourceManager} (or rather:
  * {@link SMOAResourceManagerConfiguration}).
  *
  * Is part of the new Resource Manager wizard, pointed by
  * {@link SMOAProviderContributor}.
  */
 public class SMOAResourceManagerConfigurationWizardPage extends RMConfigurationWizardPage {

 	private final SMOAResourceManagerConfiguration conf;

 	// GUI elements

 	// main part
 	private Text host;
 	private Spinner port;

 	// selecting authentication
 	private Button anonymous;
 	private Button username;
 	private Button gsiauth;

 	// adaptive GUI
 	private Composite userData;
 	private StackLayout stackLayout;

 	// adaptive GUI composites
 	private Composite anonymousTab;
 	private Composite userpasswdTab;
 	private Composite gsiTab;

 	// contents of userpasswdTab
 	private Text user;
 	private Text passwd;
 	private Text cacert;
 	private Text dn;

 	// contents of gsiTab
 	private Text gsi_dn;

 	AuthType previousAuth = null;

 	public SMOAResourceManagerConfigurationWizardPage(IRMConfigurationWizard wizard) {
 		super(wizard, Messages.SMOAResourceManagerConfigurationWizardPage_SmoaComputingConfiguration);
 		setTitle(Messages.SMOAResourceManagerConfigurationWizardPage_SmoaComputingConfiguration);
 		setDescription(Messages.SMOAResourceManagerConfigurationWizardPage_SmoaComputingConfiguration_description);
 		conf = (SMOAResourceManagerConfiguration) wizard.getBaseConfiguration();
 	}

 	/** Host and port part */
 	private void createAddress(Composite parent) {

 		final Composite myMainComp = new Composite(parent, SWT.NONE);

 		final GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = 2;
 		gridLayout.marginWidth = 0;

 		final GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		myMainComp.setLayoutData(gd);

 		myMainComp.setLayout(gridLayout);

 		Label label;
 		// URI

 		label = new Label(myMainComp, SWT.NONE);
 		label.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Hostname);
 		label.setLayoutData(new GridData());

 		host = new Text(myMainComp, SWT.SINGLE | SWT.BORDER);
 		if (conf.getUrl() != null) {
 			host.setText(conf.getUrl());
 		}
 		host.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		host.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				setPageComplete(isValid());
 				conf.setUrl(host.getText());
 			}
 		});

 		// PORT

 		label = new Label(myMainComp, SWT.NONE);
 		label.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Port);
 		label.setLayoutData(new GridData());

 		port = new Spinner(myMainComp, SWT.SINGLE | SWT.BORDER);
 		port.setMaximum(65535);
 		port.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		port.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				final int portNo = Integer.parseInt(port.getText());
 				assert portNo >= 0 && portNo < 65536 : "Java spinner violates boundaries"; //$NON-NLS-1$
 				conf.setPort(portNo);
 			}
 		});
 		if (conf.getPort() != null) {
 			port.setSelection(conf.getPort());
 		} else {
 			port.setSelection(19000);
 		}
 	}

 	/** Anonymous authentication part */
 	private Composite createAnonymous(Composite topComposite) {
 		return new Composite(topComposite, SWT.NONE);
 	}

 	private void createContents(Composite parent) {

 		final GridLayout mainLayout = new GridLayout();
 		mainLayout.numColumns = 1;
 		mainLayout.marginWidth = 0;

 		parent.setLayout(mainLayout);

 		createAddress(parent);

 		new Label(parent, SWT.NONE).setLayoutData(new GridData());

 		createUserData(parent);
 	}

 	@Override
 	public void createControl(Composite parent) {
 		final Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayout(new GridLayout());
 		createContents(composite);
 		setControl(composite);
 		setPageComplete(isValid());
 	}

 	/** GSI authentication part */
 	private Composite createGSI(Composite topComposite) {

 		final Composite c = new Composite(topComposite, SWT.NONE);
 		c.setLayout(new GridLayout(2, false));

 		new Label(c, SWT.NONE).setText(Messages.SMOAResourceManagerConfigurationWizardPage_ServiceDN);

 		gsi_dn = new Text(c, SWT.SINGLE | SWT.BORDER);
 		if (conf.getServiceDN() != null) {
 			gsi_dn.setText(conf.getServiceDN());
 		}
 		gsi_dn.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		gsi_dn.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				if (!dn.getText().equals(gsi_dn.getText())) {
 					dn.setText(gsi_dn.getText());
 				}
 			}
 		});

 		return c;
 	}

 	/** Authentication selection part */
 	private void createUserData(Composite mainComp) {

 		final Composite authType = new Composite(mainComp, SWT.NONE);
 		final GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = 3;
 		authType.setLayout(gridLayout);

 		final GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 3;
 		authType.setLayoutData(gd);

 		final Label l = new Label(authType, SWT.NONE);
 		l.setText(Messages.SMOAResourceManagerConfigurationWizardPage_ChooseAuthenticationType);
 		final GridData gridData = new GridData(GridData.CENTER);
 		gridData.horizontalSpan = 3;
 		l.setLayoutData(gridData);

 		anonymous = new Button(authType, SWT.RADIO);
 		anonymous.setText(Messages.SMOAResourceManagerConfigurationWizardPage_AuthTypeAnonymous);
 		anonymous.setLayoutData(new GridData());

 		username = new Button(authType, SWT.RADIO);
 		username.setText(Messages.SMOAResourceManagerConfigurationWizardPage_AuthTypeUserTokenProfile);
 		username.setLayoutData(new GridData());

 		gsiauth = new Button(authType, SWT.RADIO);
 		gsiauth.setText(Messages.SMOAResourceManagerConfigurationWizardPage_AuthTypeGSI);
 		gsiauth.setLayoutData(new GridData());

 		// ///////

 		userData = new Composite(mainComp, SWT.NONE);
 		userData.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		stackLayout = new StackLayout();
 		userData.setLayout(stackLayout);

 		anonymousTab = createAnonymous(userData);
 		userpasswdTab = createUserPassword(userData);
 		gsiTab = createGSI(userData);

 		userData.layout();

 		previousAuth = conf.getAuthType();
 		switch (previousAuth) {
 		case Anonymous:
 			anonymous.setSelection(true);
 			toggleUsernamePassword();
 			break;
 		case UsernamePassword:
 			username.setSelection(true);
 			toggleUsernamePassword();
 			break;
 		case GSI:
 			gsiauth.setSelection(true);
 			toggleUsernamePassword();
 			break;
 		}

 		anonymous.addSelectionListener(new SelectionListener() {
 			public void widgetDefaultSelected(SelectionEvent arg0) {
 				widgetSelected(arg0);
 			}

 			public void widgetSelected(SelectionEvent arg0) {
 				setPageComplete(isValid());
 				toggleUsernamePassword();
 			}
 		});

 		username.addSelectionListener(new SelectionListener() {
 			public void widgetDefaultSelected(SelectionEvent arg0) {
 				widgetSelected(arg0);
 			}

 			public void widgetSelected(SelectionEvent arg0) {
 				setPageComplete(isValid());
 				toggleUsernamePassword();
 			}
 		});

 		gsiauth.addSelectionListener(new SelectionListener() {
 			public void widgetDefaultSelected(SelectionEvent arg0) {
 				widgetSelected(arg0);
 			}

 			public void widgetSelected(SelectionEvent arg0) {
 				setPageComplete(isValid());
 				toggleUsernamePassword();
 			}
 		});

 	}

 	/** User name & password + certificate authentication part */
 	private Composite createUserPassword(Composite topComposite) {
 		GridData gridData;
 		Label l;

 		final Composite userPassword = new Composite(topComposite, SWT.NONE);

 		userPassword.setLayout(new GridLayout(3, false));

 		final GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
 		gd2.horizontalSpan = 2;
 		userPassword.setLayoutData(gd2);

 		// User name

 		final Label userLabel = new Label(userPassword, SWT.NONE);
 		userLabel.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Username);
 		userLabel.setLayoutData(new GridData());

 		user = new Text(userPassword, SWT.SINGLE | SWT.BORDER);
 		if (conf.getUser() != null) {
 			user.setText(conf.getUser());
 		}
 		gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;
 		user.setLayoutData(gridData);

 		user.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				setPageComplete(isValid());
 				conf.setUser(user.getText());
 			}
 		});

 		// Password

 		final Label passwdLabel = new Label(userPassword, SWT.NONE);
 		passwdLabel.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Password);
 		passwdLabel.setLayoutData(new GridData());

 		passwd = new Text(userPassword, SWT.SINGLE | SWT.BORDER | SWT.PASSWORD);
 		if (conf.getPassword() != null) {
 			passwd.setText(conf.getPassword());
 		}
 		gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;
 		passwd.setLayoutData(gridData);

 		passwd.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				conf.setPassword(passwd.getText());

 			}
 		});

 		// CA cert

 		l = new Label(userPassword, SWT.NONE);
 		l.setText(Messages.SMOAResourceManagerConfigurationWizardPage_CaCert);
 		l.setLayoutData(new GridData());

 		cacert = new Text(userPassword, SWT.SINGLE | SWT.BORDER);
 		if (conf.getCaCertPath() != null) {
 			cacert.setText(conf.getCaCertPath());
 		}
 		cacert.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		final Button cacertBrowser = new Button(userPassword, SWT.PUSH);
 		cacertBrowser.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Browse);
 		cacertBrowser.setLayoutData(new GridData());
 		cacertBrowser.addSelectionListener(new SelectionListener() {
 			public void widgetDefaultSelected(SelectionEvent arg0) {
 			}

 			public void widgetSelected(SelectionEvent arg0) {
 				final FileDialog dialog = new FileDialog(new Shell(), SWT.OPEN);
 				dialog.setFileName(cacert.getText());
 				final String _ = dialog.open();
 				if (null != _) {
 					cacert.setText(_);
 				}
 			}
 		});

 		// DN

 		final Label label = new Label(userPassword, SWT.NONE);
 		label.setText(Messages.SMOAResourceManagerConfigurationWizardPage_ServiceDN);
 		label.setLayoutData(new GridData());

 		dn = new Text(userPassword, SWT.SINGLE | SWT.BORDER);
 		if (conf.getServiceDN() != null) {
 			dn.setText(conf.getServiceDN());
 		}
 		gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;
 		dn.setLayoutData(gridData);
 		dn.setEnabled(!cacert.getText().isEmpty());
 		dn.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				gsi_dn.setText(dn.getText());
 				conf.setServiceDn(dn.getText());
 				setPageComplete(isValid());
 			}
 		});

 		// Finalizing

 		cacert.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent arg0) {
 				conf.setCacertPath(cacert.getText());
 				dn.setEnabled(!cacert.getText().isEmpty());
 				setPageComplete(isValid());
 			}
 		});

 		return userPassword;
 	}

 	/**
 	 * Checks if the settings are acceptable (i.e. is it worth to try to connect
 	 * using them)
 	 */
 	public boolean isValid() {
 		if (host != null && host.getText().isEmpty()) {
 			return false;
 		}

 		if (username != null && username.getSelection()) {
 			if (user.getText().isEmpty()) {
 				return false;
 			}
 			if ((!cacert.getText().isEmpty()) && (!new File(cacert.getText()).exists())) {
 				return false;
 			}
 		}

 		return true;
 	}

 	/** Reacts on the authentication type change */
 	private void toggleUsernamePassword() {

 		if (username.getSelection()) {
 			conf.setAuthType(AuthType.UsernamePassword);
 			stackLayout.topControl = userpasswdTab;
 			userData.layout();
 			if (previousAuth != AuthType.UsernamePassword) {
 				try {
 					previousAuth = AuthType.UsernamePassword;
 					conf.trigerSecureStorage();
 				} catch (final StorageException e) {
 					final MessageBox mb = new MessageBox(getShell(), SWT.ERROR | SWT.OK | SWT.ICON_ERROR);
 					mb.setText(Messages.SMOAResourceManagerConfigurationWizardPage_SecureStorageError);
 					mb.setMessage(e.getLocalizedMessage());
 					mb.open();
 				}
 			}
 		} else if (anonymous.getSelection()) {
 			conf.setAuthType(AuthType.Anonymous);
 			stackLayout.topControl = anonymousTab;
 			userData.layout();
 		} else if (gsiauth.getSelection()) {
 			conf.setAuthType(AuthType.GSI);
 			stackLayout.topControl = gsiTab;
 			userData.layout();
 		} else {
 			throw new RuntimeException("Boo!"); //$NON-NLS-1$
 		}

 		previousAuth = conf.getAuthType();
 		setPageComplete(isValid());
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2010 Poznan Supercomputing and Networking Center
	* All rights reserved. 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:
	* Jan Konczak (PSNC) - initial implementation
	******************************************************************************/

	package org.eclipse.ptp.rm.smoa.ui.wizards;

	import java.io.File;

	import org.eclipse.equinox.security.storage.StorageException;
	import org.eclipse.ptp.rm.smoa.core.SMOAConfiguration.AuthType;
	import org.eclipse.ptp.rm.smoa.core.rmsystem.SMOAResourceManager;
	import org.eclipse.ptp.rm.smoa.core.rmsystem.SMOAResourceManagerConfiguration;
	import org.eclipse.ptp.ui.wizards.IRMConfigurationWizard;
	import org.eclipse.ptp.ui.wizards.RMConfigurationWizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.StackLayout;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.MessageBox;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Spinner;
	import org.eclipse.swt.widgets.Text;

	/**
	* GUI for configuring {@link SMOAResourceManager} (or rather:
	* {@link SMOAResourceManagerConfiguration}).
	*
	* Is part of the new Resource Manager wizard, pointed by
	* {@link SMOAProviderContributor}.
	*/
	public class SMOAResourceManagerConfigurationWizardPage extends RMConfigurationWizardPage {

	private final SMOAResourceManagerConfiguration conf;

	// GUI elements

	// main part
	private Text host;
	private Spinner port;

	// selecting authentication
	private Button anonymous;
	private Button username;
	private Button gsiauth;

	// adaptive GUI
	private Composite userData;
	private StackLayout stackLayout;

	// adaptive GUI composites
	private Composite anonymousTab;
	private Composite userpasswdTab;
	private Composite gsiTab;

	// contents of userpasswdTab
	private Text user;
	private Text passwd;
	private Text cacert;
	private Text dn;

	// contents of gsiTab
	private Text gsi_dn;

	AuthType previousAuth = null;

	public SMOAResourceManagerConfigurationWizardPage(IRMConfigurationWizard wizard) {
	super(wizard, Messages.SMOAResourceManagerConfigurationWizardPage_SmoaComputingConfiguration);
	setTitle(Messages.SMOAResourceManagerConfigurationWizardPage_SmoaComputingConfiguration);
	setDescription(Messages.SMOAResourceManagerConfigurationWizardPage_SmoaComputingConfiguration_description);
	conf = (SMOAResourceManagerConfiguration) wizard.getBaseConfiguration();
	}

	/** Host and port part */
	private void createAddress(Composite parent) {

	final Composite myMainComp = new Composite(parent, SWT.NONE);

	final GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 2;
	gridLayout.marginWidth = 0;

	final GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	myMainComp.setLayoutData(gd);

	myMainComp.setLayout(gridLayout);

	Label label;
	// URI

	label = new Label(myMainComp, SWT.NONE);
	label.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Hostname);
	label.setLayoutData(new GridData());

	host = new Text(myMainComp, SWT.SINGLE \| SWT.BORDER);
	if (conf.getUrl() != null) {
	host.setText(conf.getUrl());
	}
	host.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	host.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	setPageComplete(isValid());
	conf.setUrl(host.getText());
	}
	});

	// PORT

	label = new Label(myMainComp, SWT.NONE);
	label.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Port);
	label.setLayoutData(new GridData());

	port = new Spinner(myMainComp, SWT.SINGLE \| SWT.BORDER);
	port.setMaximum(65535);
	port.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	port.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	final int portNo = Integer.parseInt(port.getText());
	assert portNo >= 0 && portNo < 65536 : "Java spinner violates boundaries"; //$NON-NLS-1$
	conf.setPort(portNo);
	}
	});
	if (conf.getPort() != null) {
	port.setSelection(conf.getPort());
	} else {
	port.setSelection(19000);
	}
	}

	/** Anonymous authentication part */
	private Composite createAnonymous(Composite topComposite) {
	return new Composite(topComposite, SWT.NONE);
	}

	private void createContents(Composite parent) {

	final GridLayout mainLayout = new GridLayout();
	mainLayout.numColumns = 1;
	mainLayout.marginWidth = 0;

	parent.setLayout(mainLayout);

	createAddress(parent);

	new Label(parent, SWT.NONE).setLayoutData(new GridData());

	createUserData(parent);
	}

	@Override
	public void createControl(Composite parent) {
	final Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(new GridLayout());
	createContents(composite);
	setControl(composite);
	setPageComplete(isValid());
	}

	/** GSI authentication part */
	private Composite createGSI(Composite topComposite) {

	final Composite c = new Composite(topComposite, SWT.NONE);
	c.setLayout(new GridLayout(2, false));

	new Label(c, SWT.NONE).setText(Messages.SMOAResourceManagerConfigurationWizardPage_ServiceDN);

	gsi_dn = new Text(c, SWT.SINGLE \| SWT.BORDER);
	if (conf.getServiceDN() != null) {
	gsi_dn.setText(conf.getServiceDN());
	}
	gsi_dn.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	gsi_dn.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	if (!dn.getText().equals(gsi_dn.getText())) {
	dn.setText(gsi_dn.getText());
	}
	}
	});

	return c;
	}

	/** Authentication selection part */
	private void createUserData(Composite mainComp) {

	final Composite authType = new Composite(mainComp, SWT.NONE);
	final GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 3;
	authType.setLayout(gridLayout);

	final GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 3;
	authType.setLayoutData(gd);

	final Label l = new Label(authType, SWT.NONE);
	l.setText(Messages.SMOAResourceManagerConfigurationWizardPage_ChooseAuthenticationType);
	final GridData gridData = new GridData(GridData.CENTER);
	gridData.horizontalSpan = 3;
	l.setLayoutData(gridData);

	anonymous = new Button(authType, SWT.RADIO);
	anonymous.setText(Messages.SMOAResourceManagerConfigurationWizardPage_AuthTypeAnonymous);
	anonymous.setLayoutData(new GridData());

	username = new Button(authType, SWT.RADIO);
	username.setText(Messages.SMOAResourceManagerConfigurationWizardPage_AuthTypeUserTokenProfile);
	username.setLayoutData(new GridData());

	gsiauth = new Button(authType, SWT.RADIO);
	gsiauth.setText(Messages.SMOAResourceManagerConfigurationWizardPage_AuthTypeGSI);
	gsiauth.setLayoutData(new GridData());

	// ///////

	userData = new Composite(mainComp, SWT.NONE);
	userData.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	stackLayout = new StackLayout();
	userData.setLayout(stackLayout);

	anonymousTab = createAnonymous(userData);
	userpasswdTab = createUserPassword(userData);
	gsiTab = createGSI(userData);

	userData.layout();

	previousAuth = conf.getAuthType();
	switch (previousAuth) {
	case Anonymous:
	anonymous.setSelection(true);
	toggleUsernamePassword();
	break;
	case UsernamePassword:
	username.setSelection(true);
	toggleUsernamePassword();
	break;
	case GSI:
	gsiauth.setSelection(true);
	toggleUsernamePassword();
	break;
	}

	anonymous.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent arg0) {
	widgetSelected(arg0);
	}

	public void widgetSelected(SelectionEvent arg0) {
	setPageComplete(isValid());
	toggleUsernamePassword();
	}
	});

	username.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent arg0) {
	widgetSelected(arg0);
	}

	public void widgetSelected(SelectionEvent arg0) {
	setPageComplete(isValid());
	toggleUsernamePassword();
	}
	});

	gsiauth.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent arg0) {
	widgetSelected(arg0);
	}

	public void widgetSelected(SelectionEvent arg0) {
	setPageComplete(isValid());
	toggleUsernamePassword();
	}
	});

	}

	/** User name & password + certificate authentication part */
	private Composite createUserPassword(Composite topComposite) {
	GridData gridData;
	Label l;

	final Composite userPassword = new Composite(topComposite, SWT.NONE);

	userPassword.setLayout(new GridLayout(3, false));

	final GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
	gd2.horizontalSpan = 2;
	userPassword.setLayoutData(gd2);

	// User name

	final Label userLabel = new Label(userPassword, SWT.NONE);
	userLabel.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Username);
	userLabel.setLayoutData(new GridData());

	user = new Text(userPassword, SWT.SINGLE \| SWT.BORDER);
	if (conf.getUser() != null) {
	user.setText(conf.getUser());
	}
	gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;
	user.setLayoutData(gridData);

	user.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	setPageComplete(isValid());
	conf.setUser(user.getText());
	}
	});

	// Password

	final Label passwdLabel = new Label(userPassword, SWT.NONE);
	passwdLabel.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Password);
	passwdLabel.setLayoutData(new GridData());

	passwd = new Text(userPassword, SWT.SINGLE \| SWT.BORDER \| SWT.PASSWORD);
	if (conf.getPassword() != null) {
	passwd.setText(conf.getPassword());
	}
	gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;
	passwd.setLayoutData(gridData);

	passwd.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	conf.setPassword(passwd.getText());

	}
	});

	// CA cert

	l = new Label(userPassword, SWT.NONE);
	l.setText(Messages.SMOAResourceManagerConfigurationWizardPage_CaCert);
	l.setLayoutData(new GridData());

	cacert = new Text(userPassword, SWT.SINGLE \| SWT.BORDER);
	if (conf.getCaCertPath() != null) {
	cacert.setText(conf.getCaCertPath());
	}
	cacert.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	final Button cacertBrowser = new Button(userPassword, SWT.PUSH);
	cacertBrowser.setText(Messages.SMOAResourceManagerConfigurationWizardPage_Browse);
	cacertBrowser.setLayoutData(new GridData());
	cacertBrowser.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent arg0) {
	}

	public void widgetSelected(SelectionEvent arg0) {
	final FileDialog dialog = new FileDialog(new Shell(), SWT.OPEN);
	dialog.setFileName(cacert.getText());
	final String _ = dialog.open();
	if (null != _) {
	cacert.setText(_);
	}
	}
	});

	// DN

	final Label label = new Label(userPassword, SWT.NONE);
	label.setText(Messages.SMOAResourceManagerConfigurationWizardPage_ServiceDN);
	label.setLayoutData(new GridData());

	dn = new Text(userPassword, SWT.SINGLE \| SWT.BORDER);
	if (conf.getServiceDN() != null) {
	dn.setText(conf.getServiceDN());
	}
	gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;
	dn.setLayoutData(gridData);
	dn.setEnabled(!cacert.getText().isEmpty());
	dn.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	gsi_dn.setText(dn.getText());
	conf.setServiceDn(dn.getText());
	setPageComplete(isValid());
	}
	});

	// Finalizing

	cacert.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent arg0) {
	conf.setCacertPath(cacert.getText());
	dn.setEnabled(!cacert.getText().isEmpty());
	setPageComplete(isValid());
	}
	});

	return userPassword;
	}

	/**
	* Checks if the settings are acceptable (i.e. is it worth to try to connect
	* using them)
	*/
	public boolean isValid() {
	if (host != null && host.getText().isEmpty()) {
	return false;
	}

	if (username != null && username.getSelection()) {
	if (user.getText().isEmpty()) {
	return false;
	}
	if ((!cacert.getText().isEmpty()) && (!new File(cacert.getText()).exists())) {
	return false;
	}
	}

	return true;
	}

	/** Reacts on the authentication type change */
	private void toggleUsernamePassword() {

	if (username.getSelection()) {
	conf.setAuthType(AuthType.UsernamePassword);
	stackLayout.topControl = userpasswdTab;
	userData.layout();
	if (previousAuth != AuthType.UsernamePassword) {
	try {
	previousAuth = AuthType.UsernamePassword;
	conf.trigerSecureStorage();
	} catch (final StorageException e) {
	final MessageBox mb = new MessageBox(getShell(), SWT.ERROR \| SWT.OK \| SWT.ICON_ERROR);
	mb.setText(Messages.SMOAResourceManagerConfigurationWizardPage_SecureStorageError);
	mb.setMessage(e.getLocalizedMessage());
	mb.open();
	}
	}
	} else if (anonymous.getSelection()) {
	conf.setAuthType(AuthType.Anonymous);
	stackLayout.topControl = anonymousTab;
	userData.layout();
	} else if (gsiauth.getSelection()) {
	conf.setAuthType(AuthType.GSI);
	stackLayout.topControl = gsiTab;
	userData.layout();
	} else {
	throw new RuntimeException("Boo!"); //$NON-NLS-1$
	}

	previousAuth = conf.getAuthType();
	setPageComplete(isValid());
	}
	}