bundles/org.eclipse.jst.ws.jaxrs.core/src/org/eclipse/jst/ws/jaxrs/core/internal/project/facet/JAXRSJEEUtils.java - webservices/webtools.webservices - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009, 2010 IBM Corporation and others.
  * 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:
  * IBM Corporation - initial API and implementation
  * yyyymmdd bug      Email and other contact information
  * -------- -------- -----------------------------------------------------------
  * 20091021   291954 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS: Implement JAX-RS Facet
  * 20100303   291954 kchong@ca.ibm.com - Keith Chong, JAX-RS: Implement JAX-RS Facet
  * 20100310   304405 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS Facet : support JAX-RS 1.1
  * 20100319   306594 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS facet install fails for Web 2.3 & 2.4
  * 20100325   307059 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS properties page- fields empty or incorrect
  * 20100408   308565 kchong@ca.ibm.com - Keith Chong, JAX-RS: Servlet name and class not updated
  * 20100618   307059 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS properties page- fields empty or incorrect
  *******************************************************************************/
 package org.eclipse.jst.ws.jaxrs.core.internal.project.facet;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jst.javaee.core.Description;
 import org.eclipse.jst.javaee.core.JavaeeFactory;
 import org.eclipse.jst.javaee.core.UrlPatternType;
 import org.eclipse.jst.javaee.web.Servlet;
 import org.eclipse.jst.javaee.web.ServletMapping;
 import org.eclipse.jst.javaee.web.WebApp;
 import org.eclipse.jst.javaee.web.WebAppVersionType;
 import org.eclipse.jst.javaee.web.WebFactory;
 import org.eclipse.jst.ws.jaxrs.core.internal.JAXRSCorePlugin;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;

 /**
  * Utility file for Web 2.5 or 3.0 model
  */
 public class JAXRSJEEUtils extends JAXRSUtils {

 	public static Servlet findJAXRSServlet(final WebApp webApp, String selectedLibraryProviderID) {
 		return findJAXRSServletUsingLibraryProviderID(webApp, selectedLibraryProviderID);
 	}
 	/**
 	 * @param webApp
 	 * @return Servlet - the JAXRS Servlet for the specified WebApp or null if
 	 *         not present
 	 */
 	@SuppressWarnings("unchecked")
 	public static Servlet findJAXRSServlet(final WebApp webApp) {
 		return findJAXRSServletUsingLibraryProviderID(webApp, null);
 	}
 	private static Servlet findJAXRSServletUsingLibraryProviderID(final WebApp webApp, String selectedLibraryProviderID) {
 		Iterator<Servlet> it = webApp.getServlets().iterator();
 		Servlet toReturn = null;
 		while (it.hasNext()) {
 			Servlet servlet = it.next();
 		    Iterator <Description> descIter = servlet.getDescriptions().iterator();
 		    while (descIter.hasNext())
 		    {
 		       Description desc = descIter.next();
 		       String value = desc.getValue();
 		       if (value != null && value.trim().startsWith(JAXRS_SERVLET_IDENTIFIER))
 		       {
 		    	   return servlet;
 		       }
 		    }
 			if (servlet.getServletName() != null
 					&& (servlet.getServletName().trim().equals(
 							getSavedservletName()) || servlet
 							.getServletName().trim().equals(
 									JAXRS_DEFAULT_SERVLET_NAME))) {
 				return servlet;
 			}

 			if (servlet.getServletClass() != null
 					&& servlet.getServletClass().trim().equals(
 							getSavedServletClassName(selectedLibraryProviderID))) {
 				return servlet;
 			}

 			if (servlet.getServletClass() != null
 					&& facetKnowsServletClassName(servlet.getServletClass().trim()))
 				return servlet;
 			if (servlet.getServletClass() != null
 					&& servlet.getServletClass().trim().equals(JAXRS_SERVLET_CLASS)) {
 				if (toReturn == null)
 					//found a servlet with empty servlet class, return that if find nothing else
 					toReturn = servlet;
 			}

 		}

 		// if we get to here then we have finished the loop
 		// without finding the servlet we're looking for
 		return toReturn;
 	}

 	private static String getSavedServletClassName() {
 		IDialogSettings jaxrsUISettings = JAXRSCorePlugin.getDefault()
 				.getJaxrsUISettings();
 		if (jaxrsUISettings != null) {
 			String JAXRSUISettingsRoot = "org.eclipse.jst.ws.jaxrs.ui" + ".jaxrsFacetInstall"; //$NON-NLS-1$
 			IDialogSettings root = jaxrsUISettings
 					.getSection(JAXRSUISettingsRoot);

 			if (root != null)
 				return root.get("servletClassname");
 		}
 		return null;
 	}

 	/**
 	 * Creates servlet reference in WebApp if not present or updates servlet
 	 * name if found using the passed configuration.
 	 *
 	 * @param webApp
 	 * @param config
 	 * @param servlet
 	 * @return Servlet servlet - if passed servlet was null, will return created
 	 *         servlet
 	 */
 	@SuppressWarnings("unchecked")
 	public static Servlet createOrUpdateServletRef(final WebApp webApp,
 			final IDataModel config, org.eclipse.jst.javaee.web.Servlet servlet) {

 		String displayName = getDisplayName(config);
 		String className = getServletClassname(config);

 		return createOrUpdateServletRef(webApp, displayName, className, servlet);
 	}

 	@SuppressWarnings("unchecked")
 	public static Servlet createOrUpdateServletRef(final WebApp webApp,
 			String displayName, String className, org.eclipse.jst.javaee.web.Servlet servlet) {

 		if (servlet == null) {
 			// Create the servlet instance and set up the parameters from data
 			// model
 			servlet = WebFactory.eINSTANCE.createServlet();
 			servlet.setServletName(displayName);
 			servlet.setServletClass(className);
 			servlet.setLoadOnStartup(Integer.valueOf(1));
 			Description description = JavaeeFactory.eINSTANCE.createDescription();
 			description.setValue(JAXRS_SERVLET_IDENTIFIER_DESCRIPTION);
 			servlet.getDescriptions().add(description);
 			// Add the servlet to the web application model
 			webApp.getServlets().add(servlet);

 		} else {
 			updateServletMappings(webApp, servlet, displayName);
 			servlet.setServletName(displayName);
 			servlet.setServletClass(className);
 			servlet.setLoadOnStartup(Integer.valueOf(1));
 			Description jaxrsToolsDescription = null;
 			Description next = null;
 			List<Description> descriptions = servlet.getDescriptions();
 			if (descriptions != null) {
 				Iterator<Description> it = descriptions.iterator();
 				while (it.hasNext()) {
 					next = it.next();
 					if (JAXRS_SERVLET_IDENTIFIER_DESCRIPTION.equals(next
 							.getValue())) {
 						jaxrsToolsDescription = next;
 						break;
 					}
 				}

 			}
 			if (jaxrsToolsDescription == null) {
 				// add the description for our JAX-RS tools
 				Description description = JavaeeFactory.eINSTANCE
 						.createDescription();
 				description.setValue(JAXRS_SERVLET_IDENTIFIER_DESCRIPTION);
 				servlet.getDescriptions().add(description);
 			}

 		}
 		return servlet;
 	}

 	private static void updateServletMappings(final WebApp webApp,
 			final Servlet servlet, final String displayName) {
 		// update mappings for new name
 		ServletMapping mapping = findServletMapping(webApp, servlet);
 		if (mapping != null) {
 			mapping.setServletName(displayName);
 		}

 	}

 	/**
 	 * @param webAppObj
 	 *            as Object
 	 * @return true if webApp instanceof org.eclipse.jst.javaee.web.WebApp and
 	 *         WebAppVersionType._25
 	 */
 	public static boolean isWebApp25(final Object webAppObj) {
 		if (webAppObj instanceof WebApp
 				&& ((WebApp) webAppObj).getVersion() == WebAppVersionType._25_LITERAL)
 			return true;
 		return false;
 	}

 	/**
 	 * @param webAppObj
 	 *            as Object
 	 * @return true if webApp instanceof org.eclipse.jst.javaee.web.WebApp and
 	 *         WebAppVersionType._25 or WebAppVersionType._30
 	 */
 	public static boolean isWebApp25or30(final Object webAppObj) {
 		if (webAppObj instanceof WebApp
 				&& (((WebApp) webAppObj).getVersion() == WebAppVersionType._25_LITERAL || ((WebApp) webAppObj).getVersion() == WebAppVersionType._30_LITERAL))
 			return true;
 		return false;
 	}

 	/**
 	 * Creates servlet-mappings for the servlet for 2.5 WebModules or greater
 	 *
 	 * @param webApp
 	 * @param urlMappingList
 	 *            - list of string values to be used in url-pattern for
 	 *            servlet-mapping
 	 * @param servlet
 	 */
 	@SuppressWarnings("unchecked")
 	public static void setUpURLMappings(final WebApp webApp,
 			final List urlMappingList, final Servlet servlet) {

 		if (urlMappingList.size() > 0) {
 			ServletMapping mapping = findServletMapping(webApp, servlet);
 			if (mapping == null) {
 				mapping = WebFactory.eINSTANCE.createServletMapping();
 				mapping.setServletName(servlet.getServletName());
 				webApp.getServletMappings().add(mapping);
 			}
 			// Add patterns
 			Iterator it = urlMappingList.iterator();
 			while (it.hasNext()) {
 				String pattern = (String) it.next();
 				if (!(doesServletMappingPatternExist(webApp, mapping, pattern))) {
 					UrlPatternType urlPattern = JavaeeFactory.eINSTANCE
 							.createUrlPatternType();
 					urlPattern.setValue(pattern);
 					mapping.getUrlPatterns().add(urlPattern);
 				}
 				else
 				{
 					mapping.getUrlPatterns().remove(pattern);
 				}
 			}
 		}
 	}

 	@SuppressWarnings("unchecked")
 	public static void updateURLMappings(final WebApp webApp,
 			final List urlMappingList, final Servlet servlet) {

 		if (urlMappingList != null) {
 			ServletMapping mapping = findServletMapping(webApp, servlet);
 			if (mapping == null) {
 				mapping = WebFactory.eINSTANCE.createServletMapping();
 				mapping.setServletName(servlet.getServletName());
 				webApp.getServletMappings().add(mapping);
 			}
 			// Add patterns
 			Iterator it = urlMappingList.iterator();
 			while (it.hasNext()) {
 				String pattern = (String) it.next();
 				if (!(doesServletMappingPatternExist(webApp, mapping, pattern))) {
 					UrlPatternType urlPattern = JavaeeFactory.eINSTANCE
 							.createUrlPatternType();
 					urlPattern.setValue(pattern);
 					mapping.getUrlPatterns().add(urlPattern);
 				}
 			}
 			// Now gather up the patterns that aren't defined in the UI...
 			List<UrlPatternType> patternsToRemove = new ArrayList<UrlPatternType>();
 			for (Iterator<UrlPatternType> iter = mapping.getUrlPatterns().iterator(); iter.hasNext();)
 			{
 			   UrlPatternType aPatternType = iter.next();
 			   String patternTypeValue = aPatternType.getValue();
 			   if (patternTypeValue != null && !urlMappingList.contains(patternTypeValue))
 			   {
 			     patternsToRemove.add(aPatternType);
 			   }
 		    }
 			//...and remove them from the model
 			for (Iterator<UrlPatternType> iter = patternsToRemove.iterator(); iter.hasNext(); )
 			{
 			   UrlPatternType aPatternType = iter.next();
 			   mapping.getUrlPatterns().remove(aPatternType);
 			}
 		}
 	}

 	@SuppressWarnings("unchecked")
 	private static ServletMapping findServletMapping(final WebApp webApp,
 			final Servlet servlet) {
 		for (Iterator<ServletMapping> it = webApp.getServletMappings()
 				.iterator(); it.hasNext();) {
 			ServletMapping mapping = it.next();
 			if (mapping.getServletName() != null
 					&& servlet.getServletName() != null
 					&& mapping.getServletName().trim().equals(
 							servlet.getServletName().trim()))
 				return mapping;
 		}
 		return null;
 	}

 	@SuppressWarnings("unchecked")
 	private static boolean doesServletMappingPatternExist(final WebApp webApp,
 			final ServletMapping mapping, final String pattern) {
 		for (Iterator<UrlPatternType> it = mapping.getUrlPatterns().iterator(); it
 				.hasNext();) {
 			String patternTypeValue = it.next().getValue();
 			if (patternTypeValue != null
 					&& pattern.equals(patternTypeValue.trim()))
 				return true;
 		}
 		return false;
 	}

 	/**
 	 * Removes servlet-mappings for servlet using servlet-name for >= 2.5
 	 * WebModules.
 	 *
 	 * @param webApp
 	 * @param servlet
 	 */
 	@SuppressWarnings("unchecked")
 	public static void removeURLMappings(final WebApp webApp,
 			final Servlet servlet) {
 		List<ServletMapping> mappings = webApp.getServletMappings();
 		String servletName = servlet.getServletName();
 		if (servletName != null) {
 			servletName = servletName.trim();
 			for (int i = mappings.size() - 1; i >= 0; --i) {
 				ServletMapping mapping = mappings.get(i);
 				if (mapping != null && mapping.getServletName() != null
 						&& mapping.getServletName().trim().equals(servletName)) {
 					mappings.remove(mapping);
 				}
 			}
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2009, 2010 IBM Corporation and others.
	* 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:
	* IBM Corporation - initial API and implementation
	* yyyymmdd bug Email and other contact information
	* -------- -------- -----------------------------------------------------------
	* 20091021 291954 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS: Implement JAX-RS Facet
	* 20100303 291954 kchong@ca.ibm.com - Keith Chong, JAX-RS: Implement JAX-RS Facet
	* 20100310 304405 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS Facet : support JAX-RS 1.1
	* 20100319 306594 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS facet install fails for Web 2.3 & 2.4
	* 20100325 307059 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS properties page- fields empty or incorrect
	* 20100408 308565 kchong@ca.ibm.com - Keith Chong, JAX-RS: Servlet name and class not updated
	* 20100618 307059 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS properties page- fields empty or incorrect
	*******************************************************************************/
	package org.eclipse.jst.ws.jaxrs.core.internal.project.facet;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jst.javaee.core.Description;
	import org.eclipse.jst.javaee.core.JavaeeFactory;
	import org.eclipse.jst.javaee.core.UrlPatternType;
	import org.eclipse.jst.javaee.web.Servlet;
	import org.eclipse.jst.javaee.web.ServletMapping;
	import org.eclipse.jst.javaee.web.WebApp;
	import org.eclipse.jst.javaee.web.WebAppVersionType;
	import org.eclipse.jst.javaee.web.WebFactory;
	import org.eclipse.jst.ws.jaxrs.core.internal.JAXRSCorePlugin;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;

	/**
	* Utility file for Web 2.5 or 3.0 model
	*/
	public class JAXRSJEEUtils extends JAXRSUtils {

	public static Servlet findJAXRSServlet(final WebApp webApp, String selectedLibraryProviderID) {
	return findJAXRSServletUsingLibraryProviderID(webApp, selectedLibraryProviderID);
	}
	/**
	* @param webApp
	* @return Servlet - the JAXRS Servlet for the specified WebApp or null if
	* not present
	*/
	@SuppressWarnings("unchecked")
	public static Servlet findJAXRSServlet(final WebApp webApp) {
	return findJAXRSServletUsingLibraryProviderID(webApp, null);
	}
	private static Servlet findJAXRSServletUsingLibraryProviderID(final WebApp webApp, String selectedLibraryProviderID) {
	Iterator<Servlet> it = webApp.getServlets().iterator();
	Servlet toReturn = null;
	while (it.hasNext()) {
	Servlet servlet = it.next();
	Iterator <Description> descIter = servlet.getDescriptions().iterator();
	while (descIter.hasNext())
	{
	Description desc = descIter.next();
	String value = desc.getValue();
	if (value != null && value.trim().startsWith(JAXRS_SERVLET_IDENTIFIER))
	{
	return servlet;
	}
	}
	if (servlet.getServletName() != null
	&& (servlet.getServletName().trim().equals(
	getSavedservletName()) \|\| servlet
	.getServletName().trim().equals(
	JAXRS_DEFAULT_SERVLET_NAME))) {
	return servlet;
	}

	if (servlet.getServletClass() != null
	&& servlet.getServletClass().trim().equals(
	getSavedServletClassName(selectedLibraryProviderID))) {
	return servlet;
	}

	if (servlet.getServletClass() != null
	&& facetKnowsServletClassName(servlet.getServletClass().trim()))
	return servlet;
	if (servlet.getServletClass() != null
	&& servlet.getServletClass().trim().equals(JAXRS_SERVLET_CLASS)) {
	if (toReturn == null)
	//found a servlet with empty servlet class, return that if find nothing else
	toReturn = servlet;
	}

	}

	// if we get to here then we have finished the loop
	// without finding the servlet we're looking for
	return toReturn;
	}

	private static String getSavedServletClassName() {
	IDialogSettings jaxrsUISettings = JAXRSCorePlugin.getDefault()
	.getJaxrsUISettings();
	if (jaxrsUISettings != null) {
	String JAXRSUISettingsRoot = "org.eclipse.jst.ws.jaxrs.ui" + ".jaxrsFacetInstall"; //$NON-NLS-1$
	IDialogSettings root = jaxrsUISettings
	.getSection(JAXRSUISettingsRoot);

	if (root != null)
	return root.get("servletClassname");
	}
	return null;
	}

	/**
	* Creates servlet reference in WebApp if not present or updates servlet
	* name if found using the passed configuration.
	*
	* @param webApp
	* @param config
	* @param servlet
	* @return Servlet servlet - if passed servlet was null, will return created
	* servlet
	*/
	@SuppressWarnings("unchecked")
	public static Servlet createOrUpdateServletRef(final WebApp webApp,
	final IDataModel config, org.eclipse.jst.javaee.web.Servlet servlet) {

	String displayName = getDisplayName(config);
	String className = getServletClassname(config);

	return createOrUpdateServletRef(webApp, displayName, className, servlet);
	}

	@SuppressWarnings("unchecked")
	public static Servlet createOrUpdateServletRef(final WebApp webApp,
	String displayName, String className, org.eclipse.jst.javaee.web.Servlet servlet) {

	if (servlet == null) {
	// Create the servlet instance and set up the parameters from data
	// model
	servlet = WebFactory.eINSTANCE.createServlet();
	servlet.setServletName(displayName);
	servlet.setServletClass(className);
	servlet.setLoadOnStartup(Integer.valueOf(1));
	Description description = JavaeeFactory.eINSTANCE.createDescription();
	description.setValue(JAXRS_SERVLET_IDENTIFIER_DESCRIPTION);
	servlet.getDescriptions().add(description);
	// Add the servlet to the web application model
	webApp.getServlets().add(servlet);

	} else {
	updateServletMappings(webApp, servlet, displayName);
	servlet.setServletName(displayName);
	servlet.setServletClass(className);
	servlet.setLoadOnStartup(Integer.valueOf(1));
	Description jaxrsToolsDescription = null;
	Description next = null;
	List<Description> descriptions = servlet.getDescriptions();
	if (descriptions != null) {
	Iterator<Description> it = descriptions.iterator();
	while (it.hasNext()) {
	next = it.next();
	if (JAXRS_SERVLET_IDENTIFIER_DESCRIPTION.equals(next
	.getValue())) {
	jaxrsToolsDescription = next;
	break;
	}
	}

	}
	if (jaxrsToolsDescription == null) {
	// add the description for our JAX-RS tools
	Description description = JavaeeFactory.eINSTANCE
	.createDescription();
	description.setValue(JAXRS_SERVLET_IDENTIFIER_DESCRIPTION);
	servlet.getDescriptions().add(description);
	}

	}
	return servlet;
	}

	private static void updateServletMappings(final WebApp webApp,
	final Servlet servlet, final String displayName) {
	// update mappings for new name
	ServletMapping mapping = findServletMapping(webApp, servlet);
	if (mapping != null) {
	mapping.setServletName(displayName);
	}

	}

	/**
	* @param webAppObj
	* as Object
	* @return true if webApp instanceof org.eclipse.jst.javaee.web.WebApp and
	* WebAppVersionType._25
	*/
	public static boolean isWebApp25(final Object webAppObj) {
	if (webAppObj instanceof WebApp
	&& ((WebApp) webAppObj).getVersion() == WebAppVersionType._25_LITERAL)
	return true;
	return false;
	}

	/**
	* @param webAppObj
	* as Object
	* @return true if webApp instanceof org.eclipse.jst.javaee.web.WebApp and
	* WebAppVersionType._25 or WebAppVersionType._30
	*/
	public static boolean isWebApp25or30(final Object webAppObj) {
	if (webAppObj instanceof WebApp
	&& (((WebApp) webAppObj).getVersion() == WebAppVersionType._25_LITERAL \|\| ((WebApp) webAppObj).getVersion() == WebAppVersionType._30_LITERAL))
	return true;
	return false;
	}

	/**
	* Creates servlet-mappings for the servlet for 2.5 WebModules or greater
	*
	* @param webApp
	* @param urlMappingList
	* - list of string values to be used in url-pattern for
	* servlet-mapping
	* @param servlet
	*/
	@SuppressWarnings("unchecked")
	public static void setUpURLMappings(final WebApp webApp,
	final List urlMappingList, final Servlet servlet) {

	if (urlMappingList.size() > 0) {
	ServletMapping mapping = findServletMapping(webApp, servlet);
	if (mapping == null) {
	mapping = WebFactory.eINSTANCE.createServletMapping();
	mapping.setServletName(servlet.getServletName());
	webApp.getServletMappings().add(mapping);
	}
	// Add patterns
	Iterator it = urlMappingList.iterator();
	while (it.hasNext()) {
	String pattern = (String) it.next();
	if (!(doesServletMappingPatternExist(webApp, mapping, pattern))) {
	UrlPatternType urlPattern = JavaeeFactory.eINSTANCE
	.createUrlPatternType();
	urlPattern.setValue(pattern);
	mapping.getUrlPatterns().add(urlPattern);
	}
	else
	{
	mapping.getUrlPatterns().remove(pattern);
	}
	}
	}
	}

	@SuppressWarnings("unchecked")
	public static void updateURLMappings(final WebApp webApp,
	final List urlMappingList, final Servlet servlet) {

	if (urlMappingList != null) {
	ServletMapping mapping = findServletMapping(webApp, servlet);
	if (mapping == null) {
	mapping = WebFactory.eINSTANCE.createServletMapping();
	mapping.setServletName(servlet.getServletName());
	webApp.getServletMappings().add(mapping);
	}
	// Add patterns
	Iterator it = urlMappingList.iterator();
	while (it.hasNext()) {
	String pattern = (String) it.next();
	if (!(doesServletMappingPatternExist(webApp, mapping, pattern))) {
	UrlPatternType urlPattern = JavaeeFactory.eINSTANCE
	.createUrlPatternType();
	urlPattern.setValue(pattern);
	mapping.getUrlPatterns().add(urlPattern);
	}
	}
	// Now gather up the patterns that aren't defined in the UI...
	List<UrlPatternType> patternsToRemove = new ArrayList<UrlPatternType>();
	for (Iterator<UrlPatternType> iter = mapping.getUrlPatterns().iterator(); iter.hasNext();)
	{
	UrlPatternType aPatternType = iter.next();
	String patternTypeValue = aPatternType.getValue();
	if (patternTypeValue != null && !urlMappingList.contains(patternTypeValue))
	{
	patternsToRemove.add(aPatternType);
	}
	}
	//...and remove them from the model
	for (Iterator<UrlPatternType> iter = patternsToRemove.iterator(); iter.hasNext(); )
	{
	UrlPatternType aPatternType = iter.next();
	mapping.getUrlPatterns().remove(aPatternType);
	}
	}
	}

	@SuppressWarnings("unchecked")
	private static ServletMapping findServletMapping(final WebApp webApp,
	final Servlet servlet) {
	for (Iterator<ServletMapping> it = webApp.getServletMappings()
	.iterator(); it.hasNext();) {
	ServletMapping mapping = it.next();
	if (mapping.getServletName() != null
	&& servlet.getServletName() != null
	&& mapping.getServletName().trim().equals(
	servlet.getServletName().trim()))
	return mapping;
	}
	return null;
	}

	@SuppressWarnings("unchecked")
	private static boolean doesServletMappingPatternExist(final WebApp webApp,
	final ServletMapping mapping, final String pattern) {
	for (Iterator<UrlPatternType> it = mapping.getUrlPatterns().iterator(); it
	.hasNext();) {
	String patternTypeValue = it.next().getValue();
	if (patternTypeValue != null
	&& pattern.equals(patternTypeValue.trim()))
	return true;
	}
	return false;
	}

	/**
	* Removes servlet-mappings for servlet using servlet-name for >= 2.5
	* WebModules.
	*
	* @param webApp
	* @param servlet
	*/
	@SuppressWarnings("unchecked")
	public static void removeURLMappings(final WebApp webApp,
	final Servlet servlet) {
	List<ServletMapping> mappings = webApp.getServletMappings();
	String servletName = servlet.getServletName();
	if (servletName != null) {
	servletName = servletName.trim();
	for (int i = mappings.size() - 1; i >= 0; --i) {
	ServletMapping mapping = mappings.get(i);
	if (mapping != null && mapping.getServletName() != null
	&& mapping.getServletName().trim().equals(servletName)) {
	mappings.remove(mapping);
	}
	}
	}
	}
	}