/*******************************************************************************
* Copyright (c) 2008 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:
* Cameron Bateman - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facelet.core.internal.facet;
import java.util.Iterator;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.util.EList;
import org.eclipse.jst.jsf.designtime.DesignTimeApplicationManager;
import org.eclipse.jst.jsf.facelet.core.internal.FaceletCoreTraceOptions;
import org.eclipse.jst.jsf.facesconfig.emf.ApplicationType;
import org.eclipse.jst.jsf.facesconfig.emf.FacesConfigType;
import org.eclipse.jst.jsf.facesconfig.emf.ViewHandlerType;
import org.eclipse.jst.jsf.facesconfig.util.FacesConfigArtifactEdit;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
/**
* The facet removal delegate for Facelets.
*
* @author cbateman
*
*/
public class FaceletUninstallDelegate extends FaceletChangeDelegate
{
@Override
public void execute(final IProject project, final IProjectFacetVersion fv,
final Object config, final IProgressMonitor monitor)
throws CoreException
{
final FacetChangeModel model = (FacetChangeModel) config;
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions.log("Uninstalling facet on project: " //$NON-NLS-1$
+ project.getName());
FaceletCoreTraceOptions.log(String.format(
"FaceletUninstallDelegate: Remove default selection %b", //$NON-NLS-1$
Boolean.valueOf(model.isChgDefaultSuffix())));
FaceletCoreTraceOptions
.log(String
.format(
"FaceletUninstallDelegate: Remove view handler %b", Boolean.valueOf(model //$NON-NLS-1$
.isChgViewHandler())));
FaceletCoreTraceOptions.log(String.format(
"FaceletUninstallDelegate: Remove configure listener %b", //$NON-NLS-1$
Boolean.valueOf(model.isChgConfigureListener())));
FaceletCoreTraceOptions
.log(String
.format(
"FaceletUninstallDelegate: Remove web app lifecycle listener %b", //$NON-NLS-1$
Boolean.valueOf(model
.isChgWebAppLifecycleListener())));
}
try
{
if (monitor != null)
{
monitor.beginTask("Uninstalling facelet facet", 1); //$NON-NLS-1$
}
super.execute(project, fv, config, monitor);
}
finally
{
if (monitor != null)
{
monitor.done();
}
}
}
/**
* Install the facelet view handler in the WEB-INF/faces-config file if not
* already present.
*
* @param project
* @param monitor
*/
@SuppressWarnings("unchecked")
@Override
protected void maybeChangeFaceletViewHandler(final IProject project,
final IProgressMonitor monitor)
{
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletInstallDelegate: Uninstalling facelet view handler"); //$NON-NLS-1$
}
final FacesConfigArtifactEdit edit = FacesConfigArtifactEdit
.getFacesConfigArtifactEditForWrite(project,
"WEB-INF/faces-config.xml"); //$NON-NLS-1$
if (edit != null)
{
try
{
final FacesConfigType root = edit.getFacesConfig();
if (isViewHandlerPresent(root))
{
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletInstallDelegate: View Handler not already found in faces-config"); //$NON-NLS-1$
}
final EList applications = root.getApplication();
for (final Iterator<?> appIt = applications.iterator(); appIt
.hasNext();)
{
final ApplicationType application = (ApplicationType) appIt
.next();
for (final Iterator viewHandlerIt = application
.getViewHandler().iterator(); viewHandlerIt
.hasNext();)
{
final ViewHandlerType viewHandlerType = (ViewHandlerType) viewHandlerIt
.next();
if (viewHandlerType != null && viewHandlerType
.getTextContent() != null
&& RUNTIME_VIEWHANDLER_CLASS_NAME
.equals(viewHandlerType
.getTextContent().trim()))
{
viewHandlerIt.remove();
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletUninstallDelegate: Removed runtime view handler"); //$NON-NLS-1$
}
}
}
}
edit.save(monitor);
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletUninstallDelegate: Saved changes for facelet view handler"); //$NON-NLS-1$
}
}
else
{
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletInstallDelegate: View Handler NOT already found in faces-config; not adding"); //$NON-NLS-1$
}
}
}
finally
{
edit.dispose();
}
}
}
@Override
protected void handleDesignTimeViewHandler(final IProject project)
{
final DesignTimeApplicationManager manager = DesignTimeApplicationManager
.getInstance(project);
// TODO: need this API
//manager.clearViewHandlerId();
manager.setViewHandlerId("org.eclipse.jst.jsf.designtime.view.jspviewhandler"); //$NON-NLS-1$
}
@Override
protected String getDisplayName()
{
return Messages.FaceletUninstallDelegate_FACET_INSTALLER_DELEGATE_DISPLAY_NAME;
}
@Override
protected void maybeChangeDefaultSuffix(final FacetChangeModel model,
final WebAppConfigurator configurator)
{
if (model.isChgDefaultSuffix())
{
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletUninstallDelegate: Removing DEFAULT_SUFFIX"); //$NON-NLS-1$
}
configurator
.removeContextParam(
FaceletFacet.JAVAX_FACES_DEFAULT_SUFFIX,
FaceletFacet.XHTML);
}
}
@Override
protected void maybeChangeConfigureListener(final FacetChangeModel model,
final WebAppConfigurator configurator)
{
if (model.isChgConfigureListener())
{
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletUninstallDelegate: Remove Configure Listener"); //$NON-NLS-1$
}
configurator
.removeListener(FaceletFacet.COM_SUN_FACES_CONFIG_CONFIGURE_LISTENER);
}
}
@Override
protected void maybeChangeWebLifecycleListener(
final FacetChangeModel model, final WebAppConfigurator configurator)
{
if (model.isChgWebAppLifecycleListener())
{
if (FaceletCoreTraceOptions.TRACE_FACETUNINSTALLDELEGATE)
{
FaceletCoreTraceOptions
.log("FaceletUninstallDelegate: Remove WebappLifecycleListener"); //$NON-NLS-1$
}
configurator
.removeListener(FaceletFacet.COM_SUN_FACES_APPLICATION_WEBAPP_LIFECYCLE_LISTENER);
}
}
}