/*******************************************************************************
* Copyright (c) 2007 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:
* Oracle - 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 org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.jst.j2ee.model.IModelProvider;
import org.eclipse.jst.j2ee.model.ModelProviderManager;
import org.eclipse.jst.javaee.web.WebApp;
import org.eclipse.jst.jsf.core.internal.Messages;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.common.project.facet.core.IDelegate;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
/**
* JSF Facet Un-install Delegate for WTP faceted projects.
*
* <li> removes JSF servlet, servlet-mappings and context-params
* <li> leaves JSF configuration files on disk
* <li> removes JSF classpath containers
*
*/
public final class JSFFacetUninstallDelegate implements IDelegate {
private final boolean jsfFacetConfigurationEnabled = JsfFacetConfigurationUtil.isJsfFacetConfigurationEnabled();
/* (non-Javadoc)
* @see org.eclipse.wst.common.project.facet.core.IDelegate#execute(org.eclipse.core.resources.IProject, org.eclipse.wst.common.project.facet.core.IProjectFacetVersion, java.lang.Object, org.eclipse.core.runtime.IProgressMonitor)
*/
public void execute(final IProject project, final IProjectFacetVersion fv,
final Object config, final IProgressMonitor monitor) throws CoreException {
{
if (monitor != null) {
monitor.beginTask("", 1); //$NON-NLS-1$
}
try
{
final JSFUtils jsfUtil = new JSFUtilFactory().create(fv, ModelProviderManager.getModelProvider(project));
if (jsfUtil == null)
{
throw new JSFFacetException(NLS.bind(
Messages.Could_Not_GetJSFVersion, fv.toString()));
}
if (jsfFacetConfigurationEnabled)
{
//Before we do any de-configuration, verify that web.xml is available for update
IModelProvider provider = jsfUtil.getModelProvider();
if (provider == null ) {
throw new JSFFacetException(NLS.bind(Messages.JSFFacetUninstallDelegate_ConfigErr, project.getName()));
} else if (!(provider.validateEdit(null, null).isOK())){
throw new JSFFacetException(NLS.bind(Messages.JSFFacetUninstallDelegate_NonUpdateableWebXML, project.getName()));
}
}
// Remove JSF Libraries
( (JSFFacetUninstallConfig) config ).getLibrariesUninstallDelegate().execute( null );
if (jsfFacetConfigurationEnabled)
{
// remove servlet stuff from web.xml
uninstallJSFReferencesFromWebApp(project, monitor, jsfUtil);
}
if (monitor != null) {
monitor.worked(1);
}
} finally {
if (monitor != null) {
monitor.done();
}
}
}
}
private void uninstallJSFReferencesFromWebApp(final IProject project,
final IProgressMonitor monitor, final JSFUtils jsfUtil) {
IModelProvider provider = jsfUtil.getModelProvider();
Object webAppObj = provider.getModelObject();
if (webAppObj != null)
{
IPath ddPath = new Path("WEB-INF").append("web.xml"); //$NON-NLS-1$ //$NON-NLS-2$
if (isJavaEEWebApp(webAppObj))
{
provider.modify(new RemoveJSFFromJavaEEWebAppOperation(project,
jsfUtil), ddPath);
} else
{// 2.3 or 2.4 web app
provider.modify(new RemoveJSFFromJ2EEWebAppOperation(project,
jsfUtil), ddPath);
}
}
}
private boolean isJavaEEWebApp(final Object webAppObj) {
if (webAppObj instanceof WebApp)
return true;
return false;
}
static class RemoveJSFFromJavaEEWebAppOperation implements Runnable {
private IProject _project;
private JSFUtils _jsfUtil;
RemoveJSFFromJavaEEWebAppOperation(final IProject project, JSFUtils jsfUtil){
this._project = project;
this._jsfUtil = jsfUtil;
}
public void run()
{
WebApp webApp = (WebApp) ModelProviderManager.getModelProvider(
_project).getModelObject();
_jsfUtil.rollbackWebApp(webApp);
}
}
static class RemoveJSFFromJ2EEWebAppOperation implements Runnable {
private IProject _project;
private JSFUtils _jsfUtil;
RemoveJSFFromJ2EEWebAppOperation(final IProject project, JSFUtils jsfUtil){
this._project = project;
this._jsfUtil = jsfUtil;
}
public void run() {
org.eclipse.jst.j2ee.webapplication.WebApp webApp = (org.eclipse.jst.j2ee.webapplication.WebApp) ModelProviderManager.getModelProvider(_project).getModelObject();
_jsfUtil.rollbackWebApp(webApp);
}
}
}