jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/project/facet/JSFFacetInstallDataModelProvider.java - jsf/webtools.jsf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 Oracle Corporation.
  * 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:
  *    Gerry Kessler - initial API and implementation
  *    Debajit Adhikary - Fixes for bug 255097 ("Request to remove input fields
  *                       from facet install page")
  *******************************************************************************/
 package org.eclipse.jst.jsf.core.internal.project.facet;

 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 import java.util.regex.Pattern;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.ResourcesPlugin;
 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.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jst.common.project.facet.core.libprov.IPropertyChangeListener;
 import org.eclipse.jst.common.project.facet.core.libprov.LibraryInstallDelegate;
 import org.eclipse.jst.j2ee.project.facet.IJ2EEModuleFacetInstallDataModelProperties;
 import org.eclipse.jst.jsf.core.IJSFCoreConstants;
 import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
 import org.eclipse.jst.jsf.core.internal.Messages;
 import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryInternalReference;
 import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.ArchiveFile;
 import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.wst.common.componentcore.ComponentCore;
 import org.eclipse.wst.common.componentcore.datamodel.FacetInstallDataModelProvider;
 import org.eclipse.wst.common.componentcore.datamodel.properties.IFacetDataModelProperties;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.project.facet.core.IFacetedProjectWorkingCopy;
 import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
 import org.eclipse.wst.common.project.facet.core.IFacetedProject.Action;

 /**
  * Provides a data model used by the JSF facet install.
  *
  * @author Gerry Kessler - Oracle
  */
 @SuppressWarnings("deprecation")
 public class JSFFacetInstallDataModelProvider extends
 		FacetInstallDataModelProvider implements
 		IJSFFacetInstallDataModelProperties {

     private static final String REGEX_FOR_VALID_CONFIG_FILE_NAME = "^(?!.*/{2,}.*$)[-\\w/.]+$"; //$NON-NLS-1$
     private static final Pattern PATTERN_FOR_VALID_CONFIG_FILE_NAME = Pattern.compile(REGEX_FOR_VALID_CONFIG_FILE_NAME);

     private final boolean jsfFacetConfigurationEnabled = JsfFacetConfigurationUtil.isJsfFacetConfigurationEnabled();

     private LibraryInstallDelegate libraryInstallDelegate = null;

     private void initLibraryInstallDelegate()
     {
         final IFacetedProjectWorkingCopy fpjwc = (IFacetedProjectWorkingCopy) getProperty( FACETED_PROJECT_WORKING_COPY );
         final IProjectFacetVersion fv = (IProjectFacetVersion) getProperty( FACET_VERSION );

         if( this.libraryInstallDelegate == null && fpjwc != null && fv != null )
         {
             this.libraryInstallDelegate = new LibraryInstallDelegate( fpjwc, fv );

             this.libraryInstallDelegate.addListener
             (
                 new IPropertyChangeListener()
                 {
                     public void propertyChanged( final String property,
                                                  final Object oldValue,
                                                  final Object newValue )
                     {
                         final IDataModel dm = getDataModel();

                         if( dm != null )
                         {
                             dm.notifyPropertyChange( LIBRARY_PROVIDER_DELEGATE, IDataModel.VALUE_CHG );
                         }
                     }
                 }
             );
         }
     }

 	private String 	errorMessage;


 	public Set getPropertyNames() {
 		Set names = super.getPropertyNames();

 		if (jsfFacetConfigurationEnabled)
 		{
     		names.add(CONFIG_PATH);
     		names.add(SERVLET_NAME);
     		names.add(SERVLET_CLASSNAME);
     		names.add(SERVLET_URL_PATTERNS);
     		names.add(COMPONENT_LIBRARIES);
     		names.add(WEBCONTENT_DIR);

 		}

 		names.add(LIBRARY_PROVIDER_DELEGATE);

         return names;
 	}

 	public Object getDefaultProperty(String propertyName) {
 		if (propertyName.equals(CONFIG_PATH)) {
 			return JSFUtils.JSF_DEFAULT_CONFIG_PATH;
 		} else if (propertyName.equals(SERVLET_NAME)) {
 			return JSFUtils.JSF_DEFAULT_SERVLET_NAME;
 		} else if (propertyName.equals(SERVLET_CLASSNAME)) {
 			return JSFUtils.JSF_SERVLET_CLASS;
 		} else if (propertyName.equals(SERVLET_URL_PATTERNS)) {
 			return new String[] {JSFUtils.JSF_DEFAULT_URL_MAPPING };
 		} else if (propertyName.equals(FACET_ID)) {
 			return IJSFCoreConstants.JSF_CORE_FACET_ID;
 		} else if (propertyName.equals(WEBCONTENT_DIR)){
 			return "WebContent";  //not sure I need this //$NON-NLS-1$
         } else if (propertyName.equals(LIBRARY_PROVIDER_DELEGATE)) {
             return this.libraryInstallDelegate;
 		} else if (propertyName.equals(COMPONENT_LIBRARIES)) {
 			return new JSFLibraryInternalReference[0];
 		}
 		return super.getDefaultProperty(propertyName);
 	}

 	@Override
     public boolean propertySet( final String propertyName,
                                 final Object propertyValue )
     {
 	    if( propertyName.equals( FACETED_PROJECT_WORKING_COPY ) || propertyName.equals( FACET_VERSION ) )
 	    {
 	        initLibraryInstallDelegate();

 	        if( this.libraryInstallDelegate != null && propertyName.equals( FACET_VERSION ) )
 	        {
 	            final IProjectFacetVersion fv = (IProjectFacetVersion) getProperty( FACET_VERSION );
 	            this.libraryInstallDelegate.setProjectFacetVersion( fv );
 	        }
 	    }

         return super.propertySet( propertyName, propertyValue );
     }

     public IStatus validate(String name) {
 		errorMessage = null;

 		if (jsfFacetConfigurationEnabled)
 		{
     		if (name.equals(CONFIG_PATH)) {
     			return validateConfigLocation(getStringProperty(CONFIG_PATH));
     		} else if (name.equals(SERVLET_NAME)) {
     			return validateServletName(getStringProperty(SERVLET_NAME));
     		}
     		else if (name.equals(COMPONENT_LIBRARIES)) {
     			return validateClasspath();
     		}
    		}

 		if (name.equals(LIBRARY_PROVIDER_DELEGATE))
 		{
             return ((LibraryInstallDelegate) getProperty(LIBRARY_PROVIDER_DELEGATE)).validate();
         }

 		return super.validate(name);
 	}

 	private IStatus createErrorStatus(String msg) {
 		return new Status(IStatus.ERROR, JSFCorePlugin.PLUGIN_ID, msg);
 	}

 	private IStatus validateServletName(String servletName) {
 		if (servletName == null || servletName.trim().length() == 0) {
 			errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateServletName;
 			return createErrorStatus(errorMessage);
 		}

 		return OK_STATUS;
 	}

 	private IStatus validateConfigLocation(String text) {
 		if (text == null || text.trim().equals("")) { //$NON-NLS-1$
 			errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileEmpty;
 			return createErrorStatus(errorMessage);
 		}
 		text = text.trim();

 		if (getProjectPath() == null) //this circumstance occurs on page init
 			return OK_STATUS;

 		IPath fullPath = getProjectPath().append(text);
 		IPath passedPath = new Path(text);
 		if (!fullPath.isValidPath(text)){
 			errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFilePath;
 			return createErrorStatus(errorMessage);
 		}

 		//FIXME:  check for valid file path also [passedPath.toFile().isFile()]
 		if (text.toLowerCase().lastIndexOf(".xml") != text.length() - 4) { //$NON-NLS-1$
 			errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileXML;
 			return createErrorStatus(errorMessage);
 		}

 		// Configuration path must not contain backslashes.
 		// Must use forward slashes instead.
 		if (text.lastIndexOf("\\") >= 0){ //$NON-NLS-1$
 			errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileSlashes;
 			return createErrorStatus(errorMessage);
 		}

 		// Configuration file must NOT be absolute path.
 		// It must be specified relative to project.
 		if (passedPath.getDevice() != null) {
 			errorMessage = NLS.bind(
 					Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileRelative1,
 					getWebContentFolderName());
 			return createErrorStatus(errorMessage);
 		}

 		// Configuration file must be located in the project's folder
 		IPath webContentFolder = getWebContentFolder();
 		IPath setPath = webContentFolder.append(passedPath);
 		if (!getWebContentFolder().isPrefixOf(setPath)) {
 			errorMessage = NLS.bind(
 					Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileRelative2,
 					getWebContentFolderName());
 			return createErrorStatus(errorMessage);
 		}

         // Check for other general invalid characters
         if (!isValidConfigFileName(text))
         {
             errorMessage = Messages.JSFFacetInstallDataModelProvider_INVALID_JSF_CONFIG_FILE_NAME;
             return createErrorStatus(errorMessage);
         }

 		return OK_STATUS;
 	}


     /**
      * (This method had been made protected to enable JUnit testing.)
      *
      * @param configFileName
      * @return True if the argument config file name does not have any invalid
      *         characters.
      */
     public static boolean isValidConfigFileName (final String configFileName)
     {
         return PATTERN_FOR_VALID_CONFIG_FILE_NAME.matcher(configFileName).matches();
     }


 	private IStatus validateClasspath(){
 		Set jars = new HashSet();
 		if (doesProjectExist()){
 			//validate actual classpath by loading jars from cp
 			try {
 				IClasspathEntry[] entries = getJavaProject().getResolvedClasspath(true);
 				for (int i=0;i<entries.length;i++){
 					IClasspathEntry entry = entries[i];
 					if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY){
 						jars.add(entry.getPath().makeAbsolute().toString());
 					}
 				}
 			} catch (JavaModelException e) {
 			    // FIXME: what should we do in this case?
 			    JSFCorePlugin.log(e, "Error searching class path"); //$NON-NLS-1$
 			}
 		}
 		//else as we do not have a javaProject yet, all we can do is validate that there is no duplicate jars (absolute path)

 		IStatus status = null;

 		JSFLibraryInternalReference[] compLibs = (JSFLibraryInternalReference[]) getProperty(IJSFFacetInstallDataModelProperties.COMPONENT_LIBRARIES);
 		if (compLibs != null){
 			for (int i=0;i<compLibs.length;i++){
 				JSFLibrary lib = compLibs[i].getLibrary();
 				status = checkForDupeArchiveFiles(jars, lib);
 					if (!OK_STATUS.equals(status)){
 						return status;
 					}
 			}
 		}
 		return OK_STATUS;
 	}

 	private IJavaProject getJavaProject() {
 		IProject proj = getProject();
 		if (proj != null)
 			return JavaCore.create(proj);
 		return null;
 	}

 	private IProject getProject(){
 		String projName = (String)getProperty(FACET_PROJECT_NAME);
 		if (projName == null || "".equals(projName)) //$NON-NLS-1$
 			return null;

 		IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
 		return project;
 	}

 	private boolean doesProjectExist() {
 		IProject project = getProject();
 		return (project != null) && project.exists();
 	}

 	private IStatus checkForDupeArchiveFiles(Set jars,
 			JSFLibrary aJSFLib) {
 		if (aJSFLib == null)
 			return OK_STATUS;

 		for (Iterator it=aJSFLib.getArchiveFiles().iterator();it.hasNext();){
 			ArchiveFile jar = (ArchiveFile)it.next();
 			if (jars.contains(jar.getResolvedSourceLocation())){
 				return createErrorStatus(NLS.bind(Messages.JSFFacetInstallDataModelProvider_DupeJarValidation,jar.getResolvedSourceLocation()));
 			}
             jars.add(jar.getResolvedSourceLocation());
 		}
 		return OK_STATUS;
 	}

 	private IPath getProjectPath() {
 		IProject project = getProject();
 		if (project == null)
 			return null;
 		else if (project.exists())
 			return project.getLocation();

 		String projName = (String)getProperty(FACET_PROJECT_NAME);
 		IFacetedProjectWorkingCopy projModel = (IFacetedProjectWorkingCopy)getProperty(FACETED_PROJECT_WORKING_COPY );

 		if (projModel.getProjectLocation() != null)
 			return projModel.getProjectLocation().append(projName);

 		return ResourcesPlugin.getWorkspace().getRoot().getRawLocation().append(projName);

 	}

 	private IPath getWebContentFolder() {
 		//One can get here 2 ways:
 		//if web app exists and user is adding a facet, or
 		// if creating a new web app.

 		IPath webContentPath = null;
 		String projName = model.getStringProperty(IFacetDataModelProperties.FACET_PROJECT_NAME);
 		IProject proj = ResourcesPlugin.getWorkspace().getRoot()
 				.getProject(projName);

 		String webFolder = getWebContentFolderName();
 		if (proj.exists()) {

 			webContentPath = ComponentCore.createComponent(proj).getRootFolder()
 						.getUnderlyingFolder().getRawLocation();
 		}
 		else {

 			if (webFolder == null){
 				//we got problems... should not happen
 				return proj.getFullPath();
 			}
 			webContentPath = proj.getFullPath().append(webFolder);

 		}
 		return webContentPath;
 	}

 	private String getWebContentFolderName() {
 		String projName = (String)getProperty(FACET_PROJECT_NAME);
 		IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
 		if (project.exists()){
 			IPath webContentPath = ComponentCore.createComponent(project).getRootFolder()
 			.getUnderlyingFolder().getProjectRelativePath();

 			return webContentPath.toString();
 		}

 		IFacetedProjectWorkingCopy projWC = (IFacetedProjectWorkingCopy)getProperty(FACETED_PROJECT_WORKING_COPY);
 		Set<Action> pfas = projWC.getProjectFacetActions();
 		for (Action action : pfas){
 			if (action.getProjectFacetVersion().getProjectFacet().getId().equals("jst.web")){ //$NON-NLS-1$
 				IDataModel webFacet = (IDataModel) action.getConfig();
 				return webFacet.getStringProperty(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER );
 			}
 		}

 		//should not get here.
 		return null;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2005 Oracle Corporation.
	* 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:
	* Gerry Kessler - initial API and implementation
	* Debajit Adhikary - Fixes for bug 255097 ("Request to remove input fields
	* from facet install page")
	*******************************************************************************/
	package org.eclipse.jst.jsf.core.internal.project.facet;

	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.Set;
	import java.util.regex.Pattern;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.ResourcesPlugin;
	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.jdt.core.IClasspathEntry;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jst.common.project.facet.core.libprov.IPropertyChangeListener;
	import org.eclipse.jst.common.project.facet.core.libprov.LibraryInstallDelegate;
	import org.eclipse.jst.j2ee.project.facet.IJ2EEModuleFacetInstallDataModelProperties;
	import org.eclipse.jst.jsf.core.IJSFCoreConstants;
	import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
	import org.eclipse.jst.jsf.core.internal.Messages;
	import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryInternalReference;
	import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.ArchiveFile;
	import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.wst.common.componentcore.ComponentCore;
	import org.eclipse.wst.common.componentcore.datamodel.FacetInstallDataModelProvider;
	import org.eclipse.wst.common.componentcore.datamodel.properties.IFacetDataModelProperties;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.project.facet.core.IFacetedProjectWorkingCopy;
	import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
	import org.eclipse.wst.common.project.facet.core.IFacetedProject.Action;

	/**
	* Provides a data model used by the JSF facet install.
	*
	* @author Gerry Kessler - Oracle
	*/
	@SuppressWarnings("deprecation")
	public class JSFFacetInstallDataModelProvider extends
	FacetInstallDataModelProvider implements
	IJSFFacetInstallDataModelProperties {

	private static final String REGEX_FOR_VALID_CONFIG_FILE_NAME = "^(?!./{2,}.$)[-\\w/.]+$"; //$NON-NLS-1$
	private static final Pattern PATTERN_FOR_VALID_CONFIG_FILE_NAME = Pattern.compile(REGEX_FOR_VALID_CONFIG_FILE_NAME);

	private final boolean jsfFacetConfigurationEnabled = JsfFacetConfigurationUtil.isJsfFacetConfigurationEnabled();

	private LibraryInstallDelegate libraryInstallDelegate = null;

	private void initLibraryInstallDelegate()
	{
	final IFacetedProjectWorkingCopy fpjwc = (IFacetedProjectWorkingCopy) getProperty( FACETED_PROJECT_WORKING_COPY );
	final IProjectFacetVersion fv = (IProjectFacetVersion) getProperty( FACET_VERSION );

	if( this.libraryInstallDelegate == null && fpjwc != null && fv != null )
	{
	this.libraryInstallDelegate = new LibraryInstallDelegate( fpjwc, fv );

	this.libraryInstallDelegate.addListener
	(
	new IPropertyChangeListener()
	{
	public void propertyChanged( final String property,
	final Object oldValue,
	final Object newValue )
	{
	final IDataModel dm = getDataModel();

	if( dm != null )
	{
	dm.notifyPropertyChange( LIBRARY_PROVIDER_DELEGATE, IDataModel.VALUE_CHG );
	}
	}
	}
	);
	}
	}

	private String errorMessage;


	public Set getPropertyNames() {
	Set names = super.getPropertyNames();

	if (jsfFacetConfigurationEnabled)
	{
	names.add(CONFIG_PATH);
	names.add(SERVLET_NAME);
	names.add(SERVLET_CLASSNAME);
	names.add(SERVLET_URL_PATTERNS);
	names.add(COMPONENT_LIBRARIES);
	names.add(WEBCONTENT_DIR);

	}

	names.add(LIBRARY_PROVIDER_DELEGATE);

	return names;
	}

	public Object getDefaultProperty(String propertyName) {
	if (propertyName.equals(CONFIG_PATH)) {
	return JSFUtils.JSF_DEFAULT_CONFIG_PATH;
	} else if (propertyName.equals(SERVLET_NAME)) {
	return JSFUtils.JSF_DEFAULT_SERVLET_NAME;
	} else if (propertyName.equals(SERVLET_CLASSNAME)) {
	return JSFUtils.JSF_SERVLET_CLASS;
	} else if (propertyName.equals(SERVLET_URL_PATTERNS)) {
	return new String[] {JSFUtils.JSF_DEFAULT_URL_MAPPING };
	} else if (propertyName.equals(FACET_ID)) {
	return IJSFCoreConstants.JSF_CORE_FACET_ID;
	} else if (propertyName.equals(WEBCONTENT_DIR)){
	return "WebContent"; //not sure I need this //$NON-NLS-1$
	} else if (propertyName.equals(LIBRARY_PROVIDER_DELEGATE)) {
	return this.libraryInstallDelegate;
	} else if (propertyName.equals(COMPONENT_LIBRARIES)) {
	return new JSFLibraryInternalReference[0];
	}
	return super.getDefaultProperty(propertyName);
	}

	@Override
	public boolean propertySet( final String propertyName,
	final Object propertyValue )
	{
	if( propertyName.equals( FACETED_PROJECT_WORKING_COPY ) \|\| propertyName.equals( FACET_VERSION ) )
	{
	initLibraryInstallDelegate();

	if( this.libraryInstallDelegate != null && propertyName.equals( FACET_VERSION ) )
	{
	final IProjectFacetVersion fv = (IProjectFacetVersion) getProperty( FACET_VERSION );
	this.libraryInstallDelegate.setProjectFacetVersion( fv );
	}
	}

	return super.propertySet( propertyName, propertyValue );
	}

	public IStatus validate(String name) {
	errorMessage = null;

	if (jsfFacetConfigurationEnabled)
	{
	if (name.equals(CONFIG_PATH)) {
	return validateConfigLocation(getStringProperty(CONFIG_PATH));
	} else if (name.equals(SERVLET_NAME)) {
	return validateServletName(getStringProperty(SERVLET_NAME));
	}
	else if (name.equals(COMPONENT_LIBRARIES)) {
	return validateClasspath();
	}
	}

	if (name.equals(LIBRARY_PROVIDER_DELEGATE))
	{
	return ((LibraryInstallDelegate) getProperty(LIBRARY_PROVIDER_DELEGATE)).validate();
	}

	return super.validate(name);
	}

	private IStatus createErrorStatus(String msg) {
	return new Status(IStatus.ERROR, JSFCorePlugin.PLUGIN_ID, msg);
	}

	private IStatus validateServletName(String servletName) {
	if (servletName == null \|\| servletName.trim().length() == 0) {
	errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateServletName;
	return createErrorStatus(errorMessage);
	}

	return OK_STATUS;
	}

	private IStatus validateConfigLocation(String text) {
	if (text == null \|\| text.trim().equals("")) { //$NON-NLS-1$
	errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileEmpty;
	return createErrorStatus(errorMessage);
	}
	text = text.trim();

	if (getProjectPath() == null) //this circumstance occurs on page init
	return OK_STATUS;

	IPath fullPath = getProjectPath().append(text);
	IPath passedPath = new Path(text);
	if (!fullPath.isValidPath(text)){
	errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFilePath;
	return createErrorStatus(errorMessage);
	}

	//FIXME: check for valid file path also [passedPath.toFile().isFile()]
	if (text.toLowerCase().lastIndexOf(".xml") != text.length() - 4) { //$NON-NLS-1$
	errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileXML;
	return createErrorStatus(errorMessage);
	}

	// Configuration path must not contain backslashes.
	// Must use forward slashes instead.
	if (text.lastIndexOf("\\") >= 0){ //$NON-NLS-1$
	errorMessage = Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileSlashes;
	return createErrorStatus(errorMessage);
	}

	// Configuration file must NOT be absolute path.
	// It must be specified relative to project.
	if (passedPath.getDevice() != null) {
	errorMessage = NLS.bind(
	Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileRelative1,
	getWebContentFolderName());
	return createErrorStatus(errorMessage);
	}

	// Configuration file must be located in the project's folder
	IPath webContentFolder = getWebContentFolder();
	IPath setPath = webContentFolder.append(passedPath);
	if (!getWebContentFolder().isPrefixOf(setPath)) {
	errorMessage = NLS.bind(
	Messages.JSFFacetInstallDataModelProvider_ValidateConfigFileRelative2,
	getWebContentFolderName());
	return createErrorStatus(errorMessage);
	}

	// Check for other general invalid characters
	if (!isValidConfigFileName(text))
	{
	errorMessage = Messages.JSFFacetInstallDataModelProvider_INVALID_JSF_CONFIG_FILE_NAME;
	return createErrorStatus(errorMessage);
	}

	return OK_STATUS;
	}


	/**
	* (This method had been made protected to enable JUnit testing.)
	*
	* @param configFileName
	* @return True if the argument config file name does not have any invalid
	* characters.
	*/
	public static boolean isValidConfigFileName (final String configFileName)
	{
	return PATTERN_FOR_VALID_CONFIG_FILE_NAME.matcher(configFileName).matches();
	}


	private IStatus validateClasspath(){
	Set jars = new HashSet();
	if (doesProjectExist()){
	//validate actual classpath by loading jars from cp
	try {
	IClasspathEntry[] entries = getJavaProject().getResolvedClasspath(true);
	for (int i=0;i<entries.length;i++){
	IClasspathEntry entry = entries[i];
	if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY){
	jars.add(entry.getPath().makeAbsolute().toString());
	}
	}
	} catch (JavaModelException e) {
	// FIXME: what should we do in this case?
	JSFCorePlugin.log(e, "Error searching class path"); //$NON-NLS-1$
	}
	}
	//else as we do not have a javaProject yet, all we can do is validate that there is no duplicate jars (absolute path)

	IStatus status = null;

	JSFLibraryInternalReference[] compLibs = (JSFLibraryInternalReference[]) getProperty(IJSFFacetInstallDataModelProperties.COMPONENT_LIBRARIES);
	if (compLibs != null){
	for (int i=0;i<compLibs.length;i++){
	JSFLibrary lib = compLibs[i].getLibrary();
	status = checkForDupeArchiveFiles(jars, lib);
	if (!OK_STATUS.equals(status)){
	return status;
	}
	}
	}
	return OK_STATUS;
	}

	private IJavaProject getJavaProject() {
	IProject proj = getProject();
	if (proj != null)
	return JavaCore.create(proj);
	return null;
	}

	private IProject getProject(){
	String projName = (String)getProperty(FACET_PROJECT_NAME);
	if (projName == null \|\| "".equals(projName)) //$NON-NLS-1$
	return null;

	IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
	return project;
	}

	private boolean doesProjectExist() {
	IProject project = getProject();
	return (project != null) && project.exists();
	}

	private IStatus checkForDupeArchiveFiles(Set jars,
	JSFLibrary aJSFLib) {
	if (aJSFLib == null)
	return OK_STATUS;

	for (Iterator it=aJSFLib.getArchiveFiles().iterator();it.hasNext();){
	ArchiveFile jar = (ArchiveFile)it.next();
	if (jars.contains(jar.getResolvedSourceLocation())){
	return createErrorStatus(NLS.bind(Messages.JSFFacetInstallDataModelProvider_DupeJarValidation,jar.getResolvedSourceLocation()));
	}
	jars.add(jar.getResolvedSourceLocation());
	}
	return OK_STATUS;
	}

	private IPath getProjectPath() {
	IProject project = getProject();
	if (project == null)
	return null;
	else if (project.exists())
	return project.getLocation();

	String projName = (String)getProperty(FACET_PROJECT_NAME);
	IFacetedProjectWorkingCopy projModel = (IFacetedProjectWorkingCopy)getProperty(FACETED_PROJECT_WORKING_COPY );

	if (projModel.getProjectLocation() != null)
	return projModel.getProjectLocation().append(projName);

	return ResourcesPlugin.getWorkspace().getRoot().getRawLocation().append(projName);

	}

	private IPath getWebContentFolder() {
	//One can get here 2 ways:
	//if web app exists and user is adding a facet, or
	// if creating a new web app.

	IPath webContentPath = null;
	String projName = model.getStringProperty(IFacetDataModelProperties.FACET_PROJECT_NAME);
	IProject proj = ResourcesPlugin.getWorkspace().getRoot()
	.getProject(projName);

	String webFolder = getWebContentFolderName();
	if (proj.exists()) {

	webContentPath = ComponentCore.createComponent(proj).getRootFolder()
	.getUnderlyingFolder().getRawLocation();
	}
	else {

	if (webFolder == null){
	//we got problems... should not happen
	return proj.getFullPath();
	}
	webContentPath = proj.getFullPath().append(webFolder);

	}
	return webContentPath;
	}

	private String getWebContentFolderName() {
	String projName = (String)getProperty(FACET_PROJECT_NAME);
	IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projName);
	if (project.exists()){
	IPath webContentPath = ComponentCore.createComponent(project).getRootFolder()
	.getUnderlyingFolder().getProjectRelativePath();

	return webContentPath.toString();
	}

	IFacetedProjectWorkingCopy projWC = (IFacetedProjectWorkingCopy)getProperty(FACETED_PROJECT_WORKING_COPY);
	Set<Action> pfas = projWC.getProjectFacetActions();
	for (Action action : pfas){
	if (action.getProjectFacetVersion().getProjectFacet().getId().equals("jst.web")){ //$NON-NLS-1$
	IDataModel webFacet = (IDataModel) action.getConfig();
	return webFacet.getStringProperty(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER );
	}
	}

	//should not get here.
	return null;
	}

	}