org.eclipse.jdt.ui.examples.javafamily/src/org/eclipse/jsp/launching/TomcatTab.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jsp.launching;


 import java.io.File;

 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.variables.VariablesPlugin;
 import org.eclipse.debug.core.DebugPlugin;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jsp.JspPluginImages;
 import org.eclipse.jsp.JspUIPlugin;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 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.DirectoryDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
 import org.eclipse.ui.dialogs.ISelectionStatusValidator;
 import org.eclipse.ui.model.WorkbenchContentProvider;
 import org.eclipse.ui.model.WorkbenchLabelProvider;
 import org.eclipse.ui.views.navigator.ResourceSorter;

 /**
  * Specifies the install location of Tomcat.
  */
 public class TomcatTab extends AbstractLaunchConfigurationTab {


 	// Tomcat location
 	private Button fBrowseButton;
 	private Text fTomcatDir;

 	// WebApp location
 	private Button fWebAppButton;
 	private Text fWebAppDir;

 	/**
 	 * Constructs a new Tomcat tab
 	 */
 	public TomcatTab() {
 		super();
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(Composite)
 	 */
 	public void createControl(Composite parent) {

 		Font font = parent.getFont();

 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout workingDirLayout = new GridLayout();
 		workingDirLayout.numColumns = 3;
 		workingDirLayout.marginHeight = 0;
 		workingDirLayout.marginWidth = 0;
 		composite.setLayout(workingDirLayout);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		composite.setLayoutData(gd);
 		composite.setFont(font);
 		setControl(composite);

 		createVerticalSpacer(composite, 3);

 		Label label = new Label(composite, SWT.NONE);
 		label.setText(LaunchingMessages.getString("TomcatTab.3")); //$NON-NLS-1$
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 		gd.horizontalSpan = 3;
 		label.setLayoutData(gd);
 		label.setFont(font);

 		fTomcatDir = new Text(composite, SWT.SINGLE | SWT.BORDER);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		fTomcatDir.setLayoutData(gd);
 		fTomcatDir.setFont(font);
 		fTomcatDir.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent evt) {
 				updateLaunchConfigurationDialog();
 			}
 		});

 		fBrowseButton = createPushButton(composite, LaunchingMessages.getString("TomcatTab.21"), null); //$NON-NLS-1$
 		fBrowseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleTomcatBrowseButtonSelected();
 			}
 		});

 		createVerticalSpacer(composite, 3);

 		label = new Label(composite, SWT.NONE);
 		label.setText(LaunchingMessages.getString("TomcatTab.22")); //$NON-NLS-1$
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 		gd.horizontalSpan = 3;
 		label.setLayoutData(gd);
 		label.setFont(font);

 		fWebAppDir = new Text(composite, SWT.SINGLE | SWT.BORDER);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		fWebAppDir.setLayoutData(gd);
 		fWebAppDir.setFont(font);
 		fWebAppDir.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent evt) {
 				updateLaunchConfigurationDialog();
 			}
 		});

 		fWebAppButton = createPushButton(composite, LaunchingMessages.getString("TomcatTab.23"), null); //$NON-NLS-1$
 		fWebAppButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleWebAppBrowseButtonSelected();
 			}
 		});
 	}

 	/**
 	 * Show a dialog that lets the user select a root WebApp directory
 	 * from the workspace
 	 */
 	protected void handleWebAppBrowseButtonSelected() {
 		ISelectionStatusValidator validator= new ISelectionStatusValidator() {
 			public IStatus validate(Object[] selection) {
 				if (selection.length != 1) {
 					return new Status(IStatus.ERROR, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, LaunchingMessages.getString("TomcatTab.24"), null); //$NON-NLS-1$
 				}
 				if (!(selection[0] instanceof IContainer)) {
 					return new Status(IStatus.ERROR, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, LaunchingMessages.getString("TomcatTab.25"), null); //$NON-NLS-1$
 				}
 				// check for "WEB-INF"
 				IContainer container = (IContainer)selection[0];
 				if (!container.getFolder(new Path("WEB-INF")).exists()) { //$NON-NLS-1$
 					return new Status(IStatus.WARNING, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, LaunchingMessages.getString("TomcatTab.27"), null); //$NON-NLS-1$
 				}
 				return new Status(IStatus.OK, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, "", null); //$NON-NLS-1$
 			}
 		};

 		ILabelProvider lp= new WorkbenchLabelProvider();
 		ITreeContentProvider cp= new WorkbenchContentProvider();

 		ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(getShell(), lp, cp);
 		dialog.setSorter(new ResourceSorter(ResourceSorter.NAME));
 		dialog.addFilter(new ViewerFilter() {
 			public boolean select(Viewer viewer, Object parentElement, Object element) {
 				return element instanceof IContainer;
 			}
 		});
 		dialog.setValidator(validator);
 		dialog.setTitle(LaunchingMessages.getString("TomcatTab.28")); //$NON-NLS-1$
 		dialog.setMessage(LaunchingMessages.getString("TomcatTab.29")); //$NON-NLS-1$
 		dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());

 		if (dialog.open() == Window.OK) {
 			Object[] elements= dialog.getResult();
 			if (elements != null && elements.length == 1) {
 				fWebAppDir.setText(((IResource)elements[0]).getFullPath().toString());
 			}
 		}

 	}

 	/**
 	 * Show a dialog that lets the user select a tomcat install directory
 	 */
 	protected void handleTomcatBrowseButtonSelected() {
 		DirectoryDialog dialog = new DirectoryDialog(getShell());
 		dialog.setMessage(LaunchingMessages.getString("TomcatTab.4")); //$NON-NLS-1$
 		String currentWorkingDir = fTomcatDir.getText();
 		if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
 			File path = new File(currentWorkingDir);
 			if (path.exists()) {
 				dialog.setFilterPath(currentWorkingDir);
 			}
 		}

 		String selectedDirectory = dialog.open();
 		if (selectedDirectory != null) {
 			fTomcatDir.setText(selectedDirectory);
 		}
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#dispose()
 	 */
 	public void dispose() {
 		// empty implementation
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(ILaunchConfiguration)
 	 */
 	public boolean isValid(ILaunchConfiguration config) {
 		setErrorMessage(null);
 		setMessage(null);

 		String workingDirPath = fTomcatDir.getText().trim();
 		// resolve variables (if any)
 		String expansion;
 		try {
 			expansion = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(workingDirPath);
 		} catch (CoreException e) {
 			setErrorMessage(e.getMessage());
 			return false;
 		}
 		if (workingDirPath.length() > 0) {
 			File dir = new File(expansion);
 			if (!dir.exists()) {
 				setErrorMessage(LaunchingMessages.getString("TomcatTab.5")); //$NON-NLS-1$
 				return false;
 			}
 			if (!dir.isDirectory()) {
 				setErrorMessage(LaunchingMessages.getString("TomcatTab.6")); //$NON-NLS-1$
 				return false;
 			}
 		}

 		String webappDirPath = fWebAppDir.getText().trim();
 		if (webappDirPath.length() > 0) {
 			IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(webappDirPath));
 			if (resource == null) {
 				setErrorMessage(LaunchingMessages.getString("TomcatTab.30")); //$NON-NLS-1$
 				return false;
 			}
 			if (!(resource instanceof IContainer)) {
 				setErrorMessage(LaunchingMessages.getString("TomcatTab.31")); //$NON-NLS-1$
 				return false;
 			}
 		}

 		return true;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
 	 */
 	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
 		config.setAttribute(TomcatLaunchDelegate.ATTR_CATALINA_HOME, "${catalina_home}"); //$NON-NLS-1$
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH_PROVIDER, TomcatLaunchDelegate.ID_TOMCAT_CLASSPATH_PROVIDER);
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, "org.apache.catalina.startup.Bootstrap"); //$NON-NLS-1$
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
 	 */
 	public void initializeFrom(ILaunchConfiguration configuration) {
 		try {
 			fTomcatDir.setText(configuration.getAttribute(TomcatLaunchDelegate.ATTR_CATALINA_HOME, "")); //$NON-NLS-1$
 			fWebAppDir.setText(configuration.getAttribute(TomcatLaunchDelegate.ATTR_WEB_APP_ROOT, "")); //$NON-NLS-1$
 			if (configuration.isWorkingCopy()) {
 				// set VM args
 				ILaunchConfigurationWorkingCopy workingCopy = (ILaunchConfigurationWorkingCopy)configuration;
 				String home = TomcatLaunchDelegate.getCatalinaHome();
 				IPath endorsed = new Path(home).append("common").append("endorsed");  //$NON-NLS-1$//$NON-NLS-2$
 				IPath temp = new Path(home).append("temp"); //$NON-NLS-1$
 				StringBuffer args = new StringBuffer();
 				args.append("-Djava.endorsed.dirs=\""); //$NON-NLS-1$
 				args.append(endorsed.toOSString());
 				args.append("\" "); //$NON-NLS-1$
 				args.append("-Dcatalina.base=\""); //$NON-NLS-1$
 				args.append(home);
 				args.append("\" "); //$NON-NLS-1$
 				args.append("-Dcatalina.home=\""); //$NON-NLS-1$
 				args.append(home);
 				args.append("\" "); //$NON-NLS-1$
 				args.append("-Djava.io.tmpdir=\""); //$NON-NLS-1$
 				args.append(temp.toOSString());
 				args.append("\"");  //$NON-NLS-1$
 				workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, args.toString());
 				workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, "start"); //$NON-NLS-1$
 			}
 		} catch (CoreException e) {
 			setErrorMessage(e.getMessage());
 			DebugPlugin.log(e);
 		}
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
 	 */
 	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		configuration.setAttribute(TomcatLaunchDelegate.ATTR_CATALINA_HOME, getAttributeValueFrom(fTomcatDir));
 		String webApp = getAttributeValueFrom(fWebAppDir);
 		configuration.setAttribute(TomcatLaunchDelegate.ATTR_WEB_APP_ROOT, webApp);
 		// set project (if there is one)
 		if (webApp != null) {
 			IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(webApp));
 			if (resource != null) {
 				configuration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, resource.getProject().getName());
 			}
 		}
 	}

 	/**
 	 * Retuns the string in the text widget, or <code>null</code> if empty.
 	 *
 	 * @return text or <code>null</code>
 	 */
 	protected String getAttributeValueFrom(Text text) {
 		String content = text.getText().trim();
 		if (content.length() > 0) {
 			return content;
 		}
 		return null;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
 	 */
 	public String getName() {
 		return LaunchingMessages.getString("TomcatTab.7"); //$NON-NLS-1$
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
 	 */
 	public Image getImage() {
 		return JspPluginImages.getImage(JspPluginImages.IMG_OBJ_TOMCAT);
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jsp.launching;


	import java.io.File;

	import org.eclipse.core.resources.IContainer;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.core.variables.VariablesPlugin;
	import org.eclipse.debug.core.DebugPlugin;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
	import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
	import org.eclipse.jface.viewers.ILabelProvider;
	import org.eclipse.jface.viewers.ITreeContentProvider;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.viewers.ViewerFilter;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jsp.JspPluginImages;
	import org.eclipse.jsp.JspUIPlugin;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.Image;
	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.DirectoryDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
	import org.eclipse.ui.dialogs.ISelectionStatusValidator;
	import org.eclipse.ui.model.WorkbenchContentProvider;
	import org.eclipse.ui.model.WorkbenchLabelProvider;
	import org.eclipse.ui.views.navigator.ResourceSorter;

	/**
	* Specifies the install location of Tomcat.
	*/
	public class TomcatTab extends AbstractLaunchConfigurationTab {


	// Tomcat location
	private Button fBrowseButton;
	private Text fTomcatDir;

	// WebApp location
	private Button fWebAppButton;
	private Text fWebAppDir;

	/**
	* Constructs a new Tomcat tab
	*/
	public TomcatTab() {
	super();
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(Composite)
	*/
	public void createControl(Composite parent) {

	Font font = parent.getFont();

	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout workingDirLayout = new GridLayout();
	workingDirLayout.numColumns = 3;
	workingDirLayout.marginHeight = 0;
	workingDirLayout.marginWidth = 0;
	composite.setLayout(workingDirLayout);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	composite.setLayoutData(gd);
	composite.setFont(font);
	setControl(composite);

	createVerticalSpacer(composite, 3);

	Label label = new Label(composite, SWT.NONE);
	label.setText(LaunchingMessages.getString("TomcatTab.3")); //$NON-NLS-1$
	gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
	gd.horizontalSpan = 3;
	label.setLayoutData(gd);
	label.setFont(font);

	fTomcatDir = new Text(composite, SWT.SINGLE \| SWT.BORDER);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	fTomcatDir.setLayoutData(gd);
	fTomcatDir.setFont(font);
	fTomcatDir.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent evt) {
	updateLaunchConfigurationDialog();
	}
	});

	fBrowseButton = createPushButton(composite, LaunchingMessages.getString("TomcatTab.21"), null); //$NON-NLS-1$
	fBrowseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleTomcatBrowseButtonSelected();
	}
	});

	createVerticalSpacer(composite, 3);

	label = new Label(composite, SWT.NONE);
	label.setText(LaunchingMessages.getString("TomcatTab.22")); //$NON-NLS-1$
	gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
	gd.horizontalSpan = 3;
	label.setLayoutData(gd);
	label.setFont(font);

	fWebAppDir = new Text(composite, SWT.SINGLE \| SWT.BORDER);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	fWebAppDir.setLayoutData(gd);
	fWebAppDir.setFont(font);
	fWebAppDir.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent evt) {
	updateLaunchConfigurationDialog();
	}
	});

	fWebAppButton = createPushButton(composite, LaunchingMessages.getString("TomcatTab.23"), null); //$NON-NLS-1$
	fWebAppButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleWebAppBrowseButtonSelected();
	}
	});
	}

	/**
	* Show a dialog that lets the user select a root WebApp directory
	* from the workspace
	*/
	protected void handleWebAppBrowseButtonSelected() {
	ISelectionStatusValidator validator= new ISelectionStatusValidator() {
	public IStatus validate(Object[] selection) {
	if (selection.length != 1) {
	return new Status(IStatus.ERROR, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, LaunchingMessages.getString("TomcatTab.24"), null); //$NON-NLS-1$
	}
	if (!(selection[0] instanceof IContainer)) {
	return new Status(IStatus.ERROR, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, LaunchingMessages.getString("TomcatTab.25"), null); //$NON-NLS-1$
	}
	// check for "WEB-INF"
	IContainer container = (IContainer)selection[0];
	if (!container.getFolder(new Path("WEB-INF")).exists()) { //$NON-NLS-1$
	return new Status(IStatus.WARNING, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, LaunchingMessages.getString("TomcatTab.27"), null); //$NON-NLS-1$
	}
	return new Status(IStatus.OK, JspUIPlugin.getDefault().getDescriptor().getUniqueIdentifier(), 0, "", null); //$NON-NLS-1$
	}
	};

	ILabelProvider lp= new WorkbenchLabelProvider();
	ITreeContentProvider cp= new WorkbenchContentProvider();

	ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(getShell(), lp, cp);
	dialog.setSorter(new ResourceSorter(ResourceSorter.NAME));
	dialog.addFilter(new ViewerFilter() {
	public boolean select(Viewer viewer, Object parentElement, Object element) {
	return element instanceof IContainer;
	}
	});
	dialog.setValidator(validator);
	dialog.setTitle(LaunchingMessages.getString("TomcatTab.28")); //$NON-NLS-1$
	dialog.setMessage(LaunchingMessages.getString("TomcatTab.29")); //$NON-NLS-1$
	dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());

	if (dialog.open() == Window.OK) {
	Object[] elements= dialog.getResult();
	if (elements != null && elements.length == 1) {
	fWebAppDir.setText(((IResource)elements[0]).getFullPath().toString());
	}
	}

	}

	/**
	* Show a dialog that lets the user select a tomcat install directory
	*/
	protected void handleTomcatBrowseButtonSelected() {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	dialog.setMessage(LaunchingMessages.getString("TomcatTab.4")); //$NON-NLS-1$
	String currentWorkingDir = fTomcatDir.getText();
	if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
	File path = new File(currentWorkingDir);
	if (path.exists()) {
	dialog.setFilterPath(currentWorkingDir);
	}
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
	fTomcatDir.setText(selectedDirectory);
	}
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#dispose()
	*/
	public void dispose() {
	// empty implementation
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(ILaunchConfiguration)
	*/
	public boolean isValid(ILaunchConfiguration config) {
	setErrorMessage(null);
	setMessage(null);

	String workingDirPath = fTomcatDir.getText().trim();
	// resolve variables (if any)
	String expansion;
	try {
	expansion = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(workingDirPath);
	} catch (CoreException e) {
	setErrorMessage(e.getMessage());
	return false;
	}
	if (workingDirPath.length() > 0) {
	File dir = new File(expansion);
	if (!dir.exists()) {
	setErrorMessage(LaunchingMessages.getString("TomcatTab.5")); //$NON-NLS-1$
	return false;
	}
	if (!dir.isDirectory()) {
	setErrorMessage(LaunchingMessages.getString("TomcatTab.6")); //$NON-NLS-1$
	return false;
	}
	}

	String webappDirPath = fWebAppDir.getText().trim();
	if (webappDirPath.length() > 0) {
	IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(webappDirPath));
	if (resource == null) {
	setErrorMessage(LaunchingMessages.getString("TomcatTab.30")); //$NON-NLS-1$
	return false;
	}
	if (!(resource instanceof IContainer)) {
	setErrorMessage(LaunchingMessages.getString("TomcatTab.31")); //$NON-NLS-1$
	return false;
	}
	}

	return true;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
	*/
	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
	config.setAttribute(TomcatLaunchDelegate.ATTR_CATALINA_HOME, "${catalina_home}"); //$NON-NLS-1$
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH_PROVIDER, TomcatLaunchDelegate.ID_TOMCAT_CLASSPATH_PROVIDER);
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, "org.apache.catalina.startup.Bootstrap"); //$NON-NLS-1$
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
	*/
	public void initializeFrom(ILaunchConfiguration configuration) {
	try {
	fTomcatDir.setText(configuration.getAttribute(TomcatLaunchDelegate.ATTR_CATALINA_HOME, "")); //$NON-NLS-1$
	fWebAppDir.setText(configuration.getAttribute(TomcatLaunchDelegate.ATTR_WEB_APP_ROOT, "")); //$NON-NLS-1$
	if (configuration.isWorkingCopy()) {
	// set VM args
	ILaunchConfigurationWorkingCopy workingCopy = (ILaunchConfigurationWorkingCopy)configuration;
	String home = TomcatLaunchDelegate.getCatalinaHome();
	IPath endorsed = new Path(home).append("common").append("endorsed"); //$NON-NLS-1$//$NON-NLS-2$
	IPath temp = new Path(home).append("temp"); //$NON-NLS-1$
	StringBuffer args = new StringBuffer();
	args.append("-Djava.endorsed.dirs=\""); //$NON-NLS-1$
	args.append(endorsed.toOSString());
	args.append("\" "); //$NON-NLS-1$
	args.append("-Dcatalina.base=\""); //$NON-NLS-1$
	args.append(home);
	args.append("\" "); //$NON-NLS-1$
	args.append("-Dcatalina.home=\""); //$NON-NLS-1$
	args.append(home);
	args.append("\" "); //$NON-NLS-1$
	args.append("-Djava.io.tmpdir=\""); //$NON-NLS-1$
	args.append(temp.toOSString());
	args.append("\""); //$NON-NLS-1$
	workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, args.toString());
	workingCopy.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, "start"); //$NON-NLS-1$
	}
	} catch (CoreException e) {
	setErrorMessage(e.getMessage());
	DebugPlugin.log(e);
	}
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
	*/
	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
	configuration.setAttribute(TomcatLaunchDelegate.ATTR_CATALINA_HOME, getAttributeValueFrom(fTomcatDir));
	String webApp = getAttributeValueFrom(fWebAppDir);
	configuration.setAttribute(TomcatLaunchDelegate.ATTR_WEB_APP_ROOT, webApp);
	// set project (if there is one)
	if (webApp != null) {
	IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(webApp));
	if (resource != null) {
	configuration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, resource.getProject().getName());
	}
	}
	}

	/**
	* Retuns the string in the text widget, or <code>null</code> if empty.
	*
	* @return text or <code>null</code>
	*/
	protected String getAttributeValueFrom(Text text) {
	String content = text.getText().trim();
	if (content.length() > 0) {
	return content;
	}
	return null;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
	*/
	public String getName() {
	return LaunchingMessages.getString("TomcatTab.7"); //$NON-NLS-1$
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
	*/
	public Image getImage() {
	return JspPluginImages.getImage(JspPluginImages.IMG_OBJ_TOMCAT);
	}

	}