/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.click.eclipse.core.facet;
import java.io.File;
import java.util.List;
import org.apache.click.eclipse.ClickUtils;
import org.apache.click.eclipse.core.builder.ClickProjectNature;
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.jst.j2ee.web.componentcore.util.WebArtifactEdit;
import org.eclipse.jst.j2ee.webapplication.Filter;
import org.eclipse.jst.j2ee.webapplication.Servlet;
import org.eclipse.jst.j2ee.webapplication.WebApp;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.eclipse.wst.common.project.facet.core.IDelegate;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
/**
* Uninstalls the click facet.
*
* @author Naoki Takezoe
*/
public class ClickFacetUninstallDelegate implements IDelegate {
public void execute(IProject project, IProjectFacetVersion fv,
Object config, IProgressMonitor monitor) throws CoreException {
IDataModel dataModel = (IDataModel) config;
if (monitor != null) {
monitor.beginTask("", 3); //$NON-NLS-1$
}
removeClickFiles(project, dataModel, monitor);
monitor.worked(1);
// Removes the nature
ClickProjectNature.removeNature(project);
if (monitor != null) {
monitor.worked(1);
}
try {
// Removes the facet
uninstallClickReferencesFromWebApp(project, dataModel, monitor);
if (monitor != null) {
monitor.worked(1);
}
} finally {
if (monitor != null) {
monitor.done();
}
}
}
protected void removeClickFiles(IProject project, IDataModel config, IProgressMonitor monitor) {
IPath destPath = project.getLocation().append(ClickFacetUtil.getWebContentPath(project));
File webInf = destPath.append("WEB-INF").toFile();
// remove Click files
for(int i=0;i<ClickFacetUtil.COPY_FILES.length;i++){
File file = new File(webInf, ClickFacetUtil.COPY_FILES[i]);
if(file.exists()){
file.delete();
}
}
// remove Spring files
for(int i=0;i<ClickFacetUtil.SPRING_LIBS.length;i++){
File file = new File(webInf, ClickFacetUtil.SPRING_LIBS[i]);
if(file.exists()){
file.delete();
}
}
// remove Cayenne files
for(int i=0;i<ClickFacetUtil.CAYENNE_LIBS.length;i++){
File file = new File(webInf, ClickFacetUtil.CAYENNE_LIBS[i]);
if(file.exists()){
file.delete();
}
}
}
private void uninstallClickReferencesFromWebApp(IProject project,
IDataModel config, IProgressMonitor monitor) {
WebArtifactEdit artifactEdit = ClickUtils.getWebArtifactEditForWrite(project);
WebApp webApp = artifactEdit.getWebApp();
try {
Servlet servlet = ClickUtils.findClickServlet(webApp, false);
if (servlet == null){
servlet = ClickUtils.findClickServlet(webApp, true);
if(servlet == null){
return;
}
}
// remove faces url mappings
removeClickURLMappings(webApp, servlet);
// remove Cayenne filter
removeCayenneFilter(webApp);
// remove servlet
removeClickServlet(webApp, servlet);
} finally {
if (artifactEdit != null) {
artifactEdit.saveIfNecessary(monitor);
artifactEdit.dispose();
}
}
}
private void removeCayenneFilter(WebApp webApp){
@SuppressWarnings("unchecked")
List filters = webApp.getFilters();
Filter cayenneFilter = null;
for(int i=0;i<filters.size();i++){
Filter filter = (Filter) filters.get(i);
if(filter.getFilterClassName().equals(ClickUtils.CAYENNE_FILTER_CLASS)){
cayenneFilter = filter;
break;
}
}
if(cayenneFilter != null){
while (webApp.getFilterMapping(cayenneFilter) != null) {
webApp.getFilterMappings().remove(
webApp.getFilterMapping(cayenneFilter));
}
}
webApp.getFilters().remove(cayenneFilter);
}
private void removeClickURLMappings(WebApp webApp, Servlet servlet) {
while (webApp.getServletMapping(servlet) != null) {
webApp.getServletMappings().remove(
webApp.getServletMapping(servlet));
}
}
private void removeClickServlet(WebApp webApp, Servlet servlet) {
webApp.getServlets().remove(servlet);
}
}