protected void configure(IProject project, MavenProject mavenProject, IProgressMonitor monitor)
      throws CoreException {
    IFacetedProject facetedProject = ProjectFacetsManager.create(project, true, monitor);

    // make sure to update the main deployment folder
    WarPluginConfiguration config = new WarPluginConfiguration(mavenProject, project);
    String warSourceDirectory = config.getWarSourceDirectory();
    IFile defaultWebXml = project.getFolder(warSourceDirectory).getFile("WEB-INF/web.xml");
    IFolder libDir = project.getFolder(warSourceDirectory).getFolder("WEB-INF/lib");

    boolean alreadyHasWebXml = defaultWebXml.exists();
    boolean alreadyHasLibDir = libDir.exists();

    Set<Action> actions = new LinkedHashSet<Action>();

    installJavaFacet(actions, project, facetedProject);

    IVirtualComponent component = ComponentCore.createComponent(project);
    if (component != null && warSourceDirectory != null) {
      IPath warPath = new Path(warSourceDirectory);
      // remove the old links (if there is one) before adding the new one.
      component.getRootFolder().removeLink(warPath, IVirtualResource.NONE, monitor);
      component.getRootFolder().createLink(warPath, IVirtualResource.NONE, monitor);
    }

    // MNGECLIPSE-2279 get the context root from the final name of the project, or artifactId by
    // default.
    String contextRoot = getContextRoot(mavenProject);

    IProjectFacetVersion webFv = config.getWebFacetVersion(project);
    if (!facetedProject.hasProjectFacet(WebFacetUtils.WEB_FACET)) {
      installWebFacet(mavenProject, warSourceDirectory, contextRoot, actions, webFv);
    } else {
      IProjectFacetVersion projectFacetVersion =
          facetedProject.getProjectFacetVersion(WebFacetUtils.WEB_FACET);
      if (webFv.getVersionString() != null
          && !webFv.getVersionString().equals(projectFacetVersion.getVersionString())) {
        try {
          Action uninstallAction =
              new IFacetedProject.Action(
                  IFacetedProject.Action.Type.UNINSTALL,
                  facetedProject.getInstalledVersion(WebFacetUtils.WEB_FACET),
                  null);
          facetedProject.modify(Collections.singleton(uninstallAction), monitor);
        } catch (Exception ex) {
          MavenLogger.log("Error removing WEB facet", ex);
        }
        installWebFacet(mavenProject, warSourceDirectory, contextRoot, actions, webFv);
      }
    }

    if (!actions.isEmpty()) {
      facetedProject.modify(actions, monitor);
    }

    // MNGECLIPSE-632 remove test sources/resources from WEB-INF/classes
    removeTestFolderLinks(project, mavenProject, monitor, "/WEB-INF/classes");

    addContainerAttribute(project, DEPENDENCY_ATTRIBUTE, monitor);

    // MNGECLIPSE-2279 change the context root if needed
    if (!contextRoot.equals(J2EEProjectUtilities.getServerContextRoot(project))) {
      J2EEProjectUtilities.setServerContextRoot(project, contextRoot);
    }

    // MNGECLIPSE-2357 support custom location of web.xml
    String customWebXml = config.getCustomWebXml(project);
    // If we have a custom web.xml but WTP created one against our will, we delete it
    if (customWebXml != null && !alreadyHasWebXml && defaultWebXml.exists()) {
      defaultWebXml.delete(true, monitor);
    }
    // Maven /m2eclipse doesn't need a new lib dir.
    if (!alreadyHasLibDir && libDir.exists()) {
      libDir.delete(true, monitor);
    }
    linkFile(project, customWebXml, "WEB-INF/web.xml", monitor);

    IPath filteredFolder = WebResourceFilteringConfiguration.getTargetFolder(mavenProject, project);
    if (component != null) {
      ProjectUtils.hideM2eclipseWtpFolder(mavenProject, project);
      component.getRootFolder().removeLink(filteredFolder, IVirtualResource.NONE, monitor);
      if (config.getWebResources() != null && config.getWebResources().length > 0) {
        component.getRootFolder().createLink(filteredFolder, IVirtualResource.NONE, monitor);
      }
    }
  }
  protected void configure(IProject project, MavenProject mavenProject, IProgressMonitor monitor)
      throws CoreException {
    IFacetedProject facetedProject = ProjectFacetsManager.create(project, true, monitor);
    IMavenProjectFacade facade =
        MavenPlugin.getMavenProjectRegistry()
            .create(project.getFile(IMavenConstants.POM_FILE_NAME), true, monitor);

    // make sure to update the main deployment folder
    WarPluginConfiguration config = new WarPluginConfiguration(mavenProject, project);
    String warSourceDirectory = config.getWarSourceDirectory();

    IFolder contentFolder = project.getFolder(warSourceDirectory);

    Set<Action> actions = new LinkedHashSet<Action>();

    installJavaFacet(actions, project, facetedProject);

    IVirtualComponent component = ComponentCore.createComponent(project, true);

    // MNGECLIPSE-2279 get the context root from the final name of the project, or artifactId by
    // default.
    String contextRoot = getContextRoot(mavenProject, config.getWarName());

    IProjectFacetVersion webFv = config.getWebFacetVersion(project);
    IDataModel webModelCfg = getWebModelConfig(warSourceDirectory, contextRoot);
    if (!facetedProject.hasProjectFacet(WebFacetUtils.WEB_FACET)) {
      removeConflictingFacets(facetedProject, webFv, actions);
      actions.add(
          new IFacetedProject.Action(IFacetedProject.Action.Type.INSTALL, webFv, webModelCfg));
    } else {
      IProjectFacetVersion projectFacetVersion =
          facetedProject.getProjectFacetVersion(WebFacetUtils.WEB_FACET);
      if (webFv.getVersionString() != null
          && !webFv.getVersionString().equals(projectFacetVersion.getVersionString())) {
        actions.add(
            new IFacetedProject.Action(
                IFacetedProject.Action.Type.VERSION_CHANGE, webFv, webModelCfg));
      }
    }

    String customWebXml = config.getCustomWebXml(project);

    if (!actions.isEmpty()) {
      ResourceCleaner fileCleaner = new ResourceCleaner(project);
      try {
        addFilesToClean(fileCleaner, facade.getResourceLocations());
        addFilesToClean(fileCleaner, facade.getCompileSourceLocations());
        IFolder libDir = project.getFolder(warSourceDirectory).getFolder("WEB-INF/lib");
        fileCleaner.addFiles(
            contentFolder.getFile("META-INF/MANIFEST.MF").getProjectRelativePath());
        fileCleaner.addFolder(libDir, false);
        if (customWebXml != null) {
          IFile defaultWebXml = project.getFolder(warSourceDirectory).getFile("WEB-INF/web.xml");
          fileCleaner.addFiles(defaultWebXml.getProjectRelativePath());
        }

        facetedProject.modify(actions, monitor);
      } finally {
        // Remove any unwanted MANIFEST.MF the Facet installation has created
        fileCleaner.cleanUp();
      }
    }

    // MECLIPSEWTP-41 Fix the missing moduleCoreNature
    fixMissingModuleCoreNature(project, monitor);

    // MNGECLIPSE-632 remove test sources/resources from WEB-INF/classes
    removeTestFolderLinks(project, mavenProject, monitor, "/WEB-INF/classes");

    addContainerAttribute(project, DEPENDENCY_ATTRIBUTE, monitor);

    // MNGECLIPSE-2279 change the context root if needed
    if (!contextRoot.equals(J2EEProjectUtilities.getServerContextRoot(project))) {
      J2EEProjectUtilities.setServerContextRoot(project, contextRoot);
    }

    // If we have a custom web.xml but WTP created one against our will, we delete it
    if (customWebXml != null) {
      linkFileFirst(project, customWebXml, "/WEB-INF/web.xml", monitor);
    }

    component = ComponentCore.createComponent(project, true);
    if (component != null) {
      IPath warPath = new Path("/").append(contentFolder.getProjectRelativePath());
      List<IPath> sourcePaths = new ArrayList<IPath>();
      sourcePaths.add(warPath);
      if (!WTPProjectsUtil.hasLink(project, ROOT_PATH, warPath, monitor)) {
        component.getRootFolder().createLink(warPath, IVirtualResource.NONE, monitor);
      }
      // MECLIPSEWTP-22 support web filtered resources. Filtered resources directory must be
      // declared BEFORE
      // the regular web source directory. First resources discovered take precedence on deployment
      IPath filteredFolder =
          new Path("/")
              .append(WebResourceFilteringConfiguration.getTargetFolder(mavenProject, project));

      boolean useBuildDir =
          MavenWtpPlugin.getDefault()
              .getMavenWtpPreferencesManager()
              .getPreferences(project)
              .isWebMavenArchiverUsesBuildDirectory();
      boolean useWebresourcefiltering =
          config.getWebResources() != null && config.getWebResources().length > 0
              || config.isFilteringDeploymentDescriptorsEnabled();

      if (useBuildDir || useWebresourcefiltering) {

        if (!useBuildDir && useWebresourcefiltering) {
          mavenMarkerManager.addMarker(
              project,
              MavenWtpConstants.WTP_MARKER_CONFIGURATION_ERROR_ID,
              Messages.markers_mavenarchiver_output_settings_ignored_warning,
              -1,
              IMarker.SEVERITY_WARNING);
        }
        sourcePaths.add(filteredFolder);
        WTPProjectsUtil.insertLinkBefore(project, filteredFolder, warPath, new Path("/"), monitor);
      } else {
        component.getRootFolder().removeLink(filteredFolder, IVirtualResource.NONE, monitor);
      }

      WTPProjectsUtil.deleteLinks(project, ROOT_PATH, sourcePaths, monitor);

      WTPProjectsUtil.setDefaultDeploymentDescriptorFolder(
          component.getRootFolder(), warPath, monitor);

      addComponentExclusionPatterns(component, config);
    }

    WTPProjectsUtil.removeWTPClasspathContainer(project);

    // MECLIPSEWTP-214 : add (in|ex)clusion patterns as .component metadata
  }