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XtextProjectCreator.java
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XtextProjectCreator.java
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/*******************************************************************************
* Copyright (c) 2009, 2022 itemis AG (http://www.itemis.eu) and others.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* SPDX-License-Identifier: EPL-2.0
*
*******************************************************************************/
package org.eclipse.xtext.xtext.ui.wizard.project;
import static com.google.common.collect.Sets.*;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.util.Map;
import org.apache.log4j.Logger;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourceAttributes;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.wizards.newresource.BasicNewResourceWizard;
import org.eclipse.xtext.ui.XtextProjectHelper;
import org.eclipse.xtext.ui.util.IProjectFactoryContributor;
import org.eclipse.xtext.ui.util.JREContainerProvider;
import org.eclipse.xtext.ui.util.JavaProjectFactory;
import org.eclipse.xtext.ui.util.PluginProjectFactory;
import org.eclipse.xtext.ui.util.ProjectFactory;
import org.eclipse.xtext.ui.wizard.IProjectCreator;
import org.eclipse.xtext.ui.wizard.IProjectInfo;
import org.eclipse.xtext.xtext.wizard.AbstractFile;
import org.eclipse.xtext.xtext.wizard.BinaryFile;
import org.eclipse.xtext.xtext.wizard.ParentProjectDescriptor;
import org.eclipse.xtext.xtext.wizard.ProjectDescriptor;
import org.eclipse.xtext.xtext.wizard.ProjectLayout;
import org.eclipse.xtext.xtext.wizard.SourceFolderDescriptor;
import org.eclipse.xtext.xtext.wizard.TextFile;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.inject.Inject;
import com.google.inject.Provider;
public class XtextProjectCreator extends WorkspaceModifyOperation implements IProjectCreator {
private static final Logger LOG = Logger.getLogger(XtextProjectCreator.class);
@Inject
private Provider<PluginProjectFactory> pluginProjectProvider;
@Inject
private Provider<JavaProjectFactory> javaProjectProvider;
@Inject
private Provider<ProjectFactory> plainProjectProvider;
private XtextProjectInfo projectInfo;
Map<ProjectDescriptor, IProject> createdProjects = Maps.newHashMap();
private IFile result;
@Override
protected void execute(final IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException {
SubMonitor subMonitor = SubMonitor.convert(monitor, getCreateModelProjectMessage(), getMonitorTicks());
for (ProjectDescriptor descriptor : projectInfo.getEnabledProjects()) {
IProject project = createProject(descriptor, SubMonitor.convert(subMonitor, 1));
createdProjects.put(descriptor, project);
}
IProject runtimeProject = createdProjects.get(projectInfo.getRuntimeProject());
IFile dslGrammarFile = runtimeProject.getFile(getPath(projectInfo.getRuntimeProject().getGrammarFile()));
BasicNewResourceWizard.selectAndReveal(dslGrammarFile, PlatformUI.getWorkbench().getActiveWorkbenchWindow());
result = dslGrammarFile;
}
private IProject createProject(ProjectDescriptor descriptor, SubMonitor monitor) {
if (isPluginProject(descriptor)) {
return createPluginProject(descriptor, monitor);
} else if (isFeatureProject(descriptor)) {
return createFeatureProject(descriptor, monitor);
} else if (isJavaProject(descriptor)) {
return createJavaProject(descriptor, monitor);
} else {
return createPlainProject(descriptor, monitor);
}
}
private IProject createPluginProject(ProjectDescriptor descriptor, SubMonitor monitor) {
PluginProjectFactory factory = pluginProjectProvider.get();
configureJavaProject(descriptor, factory);
factory.addProjectNatures("org.eclipse.pde.PluginNature");
factory.addBuilderIds("org.eclipse.pde.ManifestBuilder", "org.eclipse.pde.SchemaBuilder");
factory.addDevelopmentTimeBundles(Lists.newArrayList(descriptor.getDevelopmentBundles()));
factory.addImportedPackages(Lists.newArrayList(descriptor.getImportedPackages()));
factory.addRequiredBundles(Lists.newArrayList(descriptor.getRequiredBundles()));
factory.setBreeToUse(descriptor.getBree());
return factory.createProject(monitor, null);
}
private IProject createJavaProject(ProjectDescriptor descriptor, SubMonitor monitor) {
JavaProjectFactory factory = javaProjectProvider.get();
configureJavaProject(descriptor, factory);
return factory.createProject(monitor, null);
}
private void configureJavaProject(ProjectDescriptor descriptor, JavaProjectFactory factory) {
configurePlainProject(descriptor, factory);
factory.addProjectNatures(XtextProjectHelper.NATURE_ID);
factory.addBuilderIds(XtextProjectHelper.BUILDER_ID);
factory.addProjectNatures(JavaCore.NATURE_ID);
factory.addBuilderIds(JavaCore.BUILDER_ID);
for (SourceFolderDescriptor sourceFolder : descriptor.getSourceFolders()) {
String output = sourceFolder.isTest() ?
(needsM2eIntegration(descriptor) ?
(needsTychoIntegration(descriptor) ?
"target/classes" : // Tycho will generate into target/classes for eclipse-plugin-test projects
"target/test-classes")
: "test-bin") : null;
factory.addSourceFolder(sourceFolder.getPath(), output, sourceFolder.isTest());
}
factory.setJreContainerEntry(JREContainerProvider.getJREContainerEntry(descriptor.getBree()));
if (needsM2eIntegration(descriptor)) {
factory.setDefaultOutput("target/classes");
if (!descriptor.isEclipsePluginProject()) {
factory.addClasspathEntries(JavaCore.newContainerEntry(new Path("org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER")));
}
}
if (needsBuildshipIntegration(descriptor) && !descriptor.isEclipsePluginProject()) {
factory.addClasspathEntries(JavaCore.newContainerEntry(new Path("org.eclipse.buildship.core.gradleclasspathcontainer")));
}
}
private IProject createFeatureProject(ProjectDescriptor descriptor, SubMonitor monitor) {
ProjectFactory factory = plainProjectProvider.get();
configurePlainProject(descriptor, factory);
factory.addProjectNatures("org.eclipse.pde.FeatureNature");
factory.addBuilderIds("org.eclipse.pde.FeatureBuilder");
return factory.createProject(monitor, null);
}
private IProject createPlainProject(ProjectDescriptor descriptor, SubMonitor monitor) {
ProjectFactory factory = plainProjectProvider.get();
configurePlainProject(descriptor, factory);
return factory.createProject(monitor, null);
}
private void configurePlainProject(ProjectDescriptor descriptor, ProjectFactory factory) {
factory.setProjectName(descriptor.getName());
factory.setLocation(new Path(descriptor.getLocation()));
factory.setProjectDefaultCharset(projectInfo.getEncoding().toString());
factory.addWorkingSets(Lists.newArrayList(projectInfo.getWorkingSets()));
factory.addContributor(new DescriptorBasedContributor(descriptor));
if (needsM2eIntegration(descriptor)) {
factory.addProjectNatures("org.eclipse.m2e.core.maven2Nature");
factory.addBuilderIds("org.eclipse.m2e.core.maven2Builder");
}
if (needsBuildshipIntegration(descriptor)) {
factory.addProjectNatures("org.eclipse.buildship.core.gradleprojectnature");
factory.addBuilderIds("org.eclipse.buildship.core.gradleprojectbuilder");
factory.addEarlyContributor(new GradleContributor(descriptor));
}
}
private class DescriptorBasedContributor implements IProjectFactoryContributor {
private ProjectDescriptor descriptor;
public DescriptorBasedContributor(ProjectDescriptor descriptor) {
this.descriptor = descriptor;
}
@Override
public void contributeFiles(IProject project, IFileCreator fileWriter) {
for (AbstractFile file : descriptor.getFiles()) {
if (!isFiltered(file)) {
String path = getPath(file);
IFile created = null;
if (file instanceof TextFile) {
created = fileWriter.writeToFile(((TextFile) file).getContent(), path);
} else if (file instanceof BinaryFile) {
created = createBinaryFile(fileWriter, path, ((BinaryFile) file).getContent());
}
if (created != null && file.isExecutable()) {
addExecutableFlag(created);
}
}
}
}
private void addExecutableFlag(IFile file) {
ResourceAttributes attributes = file.getResourceAttributes();
if (attributes != null) {
attributes.setExecutable(true);
try {
file.setResourceAttributes(attributes);
} catch (CoreException e) {
LOG.warn("Failed to set executable flag for " + file.getFullPath().toOSString(), e);
}
}
}
private IFile createBinaryFile(IFileCreator fileWriter, String path, URL url) {
IFile created = fileWriter.writeToFile("", path);
InputStream stream = null;
try {
stream = url.openStream();
created.setContents(stream, IResource.FORCE, new NullProgressMonitor());
} catch (Exception e) {
LOG.error("Failed to create binary file " + created.getFullPath().toOSString(), e);
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
LOG.warn("Failed to close stream for " + created.getFullPath().toOSString(), e);
}
}
}
return created;
}
private boolean isFiltered(AbstractFile file) {
if (isPluginProject(descriptor)) {
return newHashSet("plugin.xml", "MANIFEST.MF").contains(file.getRelativePath());
}
return false;
}
}
private static class GradleContributor implements IProjectFactoryContributor {
private ProjectDescriptor descriptor;
public GradleContributor(ProjectDescriptor descriptor) {
this.descriptor = descriptor;
}
@Override
public void contributeFiles(IProject project, IFileCreator fileWriter) {
fileWriter.writeToFile(
"connection.arguments=\n" +
"connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)\n" +
"connection.gradle.user.home=null\n" +
"connection.java.home=null\n" +
"connection.jvm.arguments=\n" +
"connection.project.dir=" + getConnectionLogicalPath() +"\n" +
"eclipse.preferences.version=1\n" +
"project.path=\\" + getLogicalPath() + "\n",
".settings/org.eclipse.buildship.core.prefs");
}
private String getLogicalPath() {
if (descriptor instanceof ParentProjectDescriptor) {
return ":";
} else {
return ":" + descriptor.getName();
}
}
private String getConnectionLogicalPath() {
if (descriptor instanceof ParentProjectDescriptor) {
return "";
} else if (descriptor.getConfig().getProjectLayout() == ProjectLayout.FLAT) {
return "../" + descriptor.getConfig().getParentProject().getName();
} else {
return "..";
}
}
}
private boolean isPluginProject(ProjectDescriptor descriptor) {
return descriptor.isEclipsePluginProject();
}
private boolean isFeatureProject(ProjectDescriptor descriptor) {
return descriptor.isEclipseFeatureProject();
}
private boolean isJavaProject(ProjectDescriptor descriptor) {
return !descriptor.getSourceFolders().isEmpty();
}
private boolean needsM2eIntegration(ProjectDescriptor descriptor) {
return descriptor.isPartOfMavenBuild() && descriptor.getConfig().needsMavenBuild();
}
private boolean needsTychoIntegration(ProjectDescriptor descriptor) {
return descriptor.isPartOfMavenBuild() && descriptor.getConfig().needsTychoBuild();
}
private boolean needsBuildshipIntegration(ProjectDescriptor descriptor) {
return descriptor.isPartOfGradleBuild() && descriptor.getConfig().needsGradleBuild();
}
private int getMonitorTicks() {
return projectInfo.getEnabledProjects().size();
}
private String getCreateModelProjectMessage() {
return Messages.XtextProjectCreator_CreatingProjectsMessage2 + projectInfo.getProjectName();
}
@Override
public void setProjectInfo(IProjectInfo projectInfo) {
this.projectInfo = (XtextProjectInfo) projectInfo;
}
@Override
public IFile getResult() {
return result;
}
private String getPath(AbstractFile file) {
return file.getProject().sourceFolder(file.getOutlet()) + "/" + file.getRelativePath();
}
}