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/*******************************************************************************
* Copyright (c) 2015 Christian W. Damus 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:
* Nicolas Bros (Mia-Software) - Bug 366567 - [Releng] Tool to update rmaps
* Camille Letavernier (CEA LIST) - camille.letavernier@cea.fr - Generalize to handle POMs
* Christian W. Damus (CEA) - Add support for updating Oomph setup models
* Christian W. Damus - Support updating of multiple selected files
*
*******************************************************************************/
package org.eclipse.papyrus.releng.tools.internal.handler;
import java.lang.reflect.Modifier;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import org.eclipse.b3.aggregator.Aggregation;
import org.eclipse.b3.aggregator.AggregatorPackage;
import org.eclipse.b3.aggregator.transformer.TransformationManager;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.releng.tools.internal.Activator;
import org.eclipse.papyrus.releng.tools.internal.Messages;
import org.eclipse.papyrus.releng.tools.internal.popup.actions.DependencyUpdater;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.ui.handlers.HandlerUtil;
import org.osgi.framework.Bundle;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
public class UpdateDependenciesHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
Shell activeShell = HandlerUtil.getActiveShell(event);
List<IFile> updated = Lists.newArrayListWithExpectedSize(4);
IFile aggregationBuildFile = null;
try {
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
List<IFile> files = ImmutableList.copyOf(Iterables.filter(structuredSelection.toList(), IFile.class));
if (!files.isEmpty()) {
List<IFile> aggregationBuildFiles = findAggregationBuildFiles();
aggregationBuildFile = chooseAggregationBuildFile(aggregationBuildFiles, activeShell);
if (aggregationBuildFile != null) {
Aggregation aggregation = loadAggregationModel(aggregationBuildFile);
if (aggregation != null) {
Map<Object, Object> context = Maps.newHashMap();
for (IFile file : files) {
if (updateFile(file, aggregation, activeShell, context)) {
updated.add(file);
}
}
}
}
}
}
} catch (Exception e) {
Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Error", e)); //$NON-NLS-1$
MessageDialog.openError(activeShell, Messages.UpdateRMapAction_error, e.getLocalizedMessage());
}
if (updated.isEmpty()) {
MessageDialog.openInformation(activeShell, "No Files Updated", "No files were updated for new dependencies.");
} else {
String fileList = Joiner.on(", ").join(Iterables.transform(updated, new Function<IFile, IPath>() {
@Override
public IPath apply(IFile input) {
return input.getFullPath();
}
}));
MessageDialog.openInformation(activeShell, Messages.UpdateRMapAction_mapWasUpdatedTitle, NLS.bind(Messages.UpdateRMapAction_mapWasUpdated, fileList, aggregationBuildFile.getFullPath().toString()));
}
return null;
}
protected static List<IFile> findAggregationBuildFiles() throws CoreException {
List<IFile> aggregationBuildFiles = new ArrayList<IFile>();
IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
for (IProject project : projects) {
if (!project.isOpen()) {
continue;
}
IResource[] members = project.members();
for (IResource resource : members) {
if (resource.getType() == IResource.FILE && resource.getName().endsWith(".b3aggr")) { //$NON-NLS-1$
aggregationBuildFiles.add((IFile) resource);
}
}
}
return aggregationBuildFiles;
}
protected static IFile chooseAggregationBuildFile(final List<IFile> aggregationBuildFiles, Shell activeShell) {
if (aggregationBuildFiles.size() == 0) {
MessageDialog.openWarning(activeShell, Messages.UpdateRMapAction_noBuildModelFound, Messages.UpdateRMapAction_noBuildModelFoundLong);
return null;
}
LabelProvider labelProvider = new LabelProvider() {
@Override
public String getText(final Object element) {
if (element instanceof IFile) {
IFile file = (IFile) element;
return file.getProject().getName() + "/" + file.getName(); //$NON-NLS-1$
}
return super.getText(element);
}
};
ElementListSelectionDialog dialog = new ElementListSelectionDialog(activeShell, labelProvider);
dialog.setTitle(Messages.UpdateRMapAction_chooseBuildModel);
dialog.setMessage(Messages.UpdateRMapAction_chooseBuildModelLong);
dialog.setElements(aggregationBuildFiles.toArray());
dialog.open();
return (IFile) dialog.getFirstResult();
}
protected static Aggregation loadAggregationModel(IFile aggregationBuildFile) throws CoreException {
Aggregation result = null;
// make sure the EPackage is initialized
AggregatorPackage.eINSTANCE.getEFactoryInstance();
URI uri = URI.createPlatformResourceURI(aggregationBuildFile.getFullPath().toString(), true);
final ResourceSet resourceSet = new ResourceSetImpl();
Resource resource = null;
try {
// with the latest version of the metamodel
resource = resourceSet.getResource(uri, true);
resource.load(null);
} catch (Exception e) {
// with an older version of the metamodel
try {
TransformationManager transformationManager = new TransformationManager(uri);
resource = transformationManager.transformResource(true);
} catch (Exception e1) {
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Error loading b3aggr. Make sure you have the latest version of B3 installed. : " + e.getLocalizedMessage(), e1)); //$NON-NLS-1$
}
}
if (resource.getContents().size() == 0) {
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The b3aggr resource is empty")); //$NON-NLS-1$
}
EObject root = resource.getContents().get(0);
if (root instanceof Aggregation) {
result = (Aggregation) root;
} else {
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The b3aggr resource does not contain an aggregation model")); //$NON-NLS-1$
}
return result;
}
protected boolean updateFile(IFile selectedFile, Aggregation aggregationModel, Shell activeShell, Map<Object, Object> context) throws CoreException {
boolean result = false;
DependencyUpdater updater = findDependencyUpdater(selectedFile);
if (updater != null) {
updater.updateDocument(activeShell, selectedFile, aggregationModel.getAllContributions(true), context);
result = true;
}
return result;
}
protected DependencyUpdater findDependencyUpdater(IFile mapFile) throws CoreException {
final String path = "org/eclipse/papyrus/releng/tools/internal/popup/actions/"; //$NON-NLS-1$
DependencyUpdater result = null;
Bundle bundle = Activator.getDefault().getBundle();
// Try dev mode, first
Enumeration<URL> urls = bundle.findEntries("bin/" + path, "*.class", false);
if (urls == null) {
// Deployed mode
urls = bundle.findEntries(path, "*.class", false);
}
while (urls.hasMoreElements()) {
URL classURL = urls.nextElement();
URI classURI = URI.createURI(classURL.toExternalForm(), true);
try {
String className = classURI.trimFileExtension().lastSegment();
if (!"DependencyUpdater".equals(className) && className.endsWith("Updater")) {
Class<? extends DependencyUpdater> updaterClass = bundle.loadClass(path.replace('/', '.') + className).asSubclass(DependencyUpdater.class);
if (!Modifier.isAbstract(updaterClass.getModifiers())) {
DependencyUpdater updater = updaterClass.newInstance();
if (updater.canUpdate(mapFile)) {
result = updater;
break;
}
}
}
} catch (ClassNotFoundException e) {
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "No such class: " + classURI.lastSegment(), e));
} catch (IllegalAccessException | InstantiationException e) {
throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to instantiated " + classURI.lastSegment(), e));
}
}
return result;
}
}
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