/*
* Copyright 2011 the original author or authors.
*
* Licensed 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.gradle.plugins.ide.eclipse;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.gradle.BuildAdapter;
import org.gradle.api.Action;
import org.gradle.api.JavaVersion;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.artifacts.PublishArtifact;
import org.gradle.api.artifacts.component.ProjectComponentIdentifier;
import org.gradle.api.internal.ConventionMapping;
import org.gradle.api.internal.IConventionAware;
import org.gradle.api.internal.artifacts.ivyservice.projectmodule.ProjectLocalComponentProvider;
import org.gradle.api.internal.artifacts.publish.DefaultPublishArtifact;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.invocation.Gradle;
import org.gradle.api.plugins.GroovyBasePlugin;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginConvention;
import org.gradle.api.plugins.WarPlugin;
import org.gradle.api.plugins.scala.ScalaBasePlugin;
import org.gradle.api.tasks.SourceSetContainer;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.internal.component.local.model.LocalComponentArtifactMetadata;
import org.gradle.internal.component.local.model.PublishArtifactLocalArtifactMetadata;
import org.gradle.internal.reflect.Instantiator;
import org.gradle.plugins.ear.EarPlugin;
import org.gradle.plugins.ide.api.XmlFileContentMerger;
import org.gradle.plugins.ide.eclipse.internal.AfterEvaluateHelper;
import org.gradle.plugins.ide.eclipse.internal.LinkedResourcesCreator;
import org.gradle.plugins.ide.eclipse.model.BuildCommand;
import org.gradle.plugins.ide.eclipse.model.EclipseClasspath;
import org.gradle.plugins.ide.eclipse.model.EclipseJdt;
import org.gradle.plugins.ide.eclipse.model.EclipseModel;
import org.gradle.plugins.ide.eclipse.model.EclipseProject;
import org.gradle.plugins.ide.eclipse.model.Link;
import org.gradle.plugins.ide.internal.configurer.UniqueProjectNameProvider;
import org.gradle.plugins.ide.internal.IdePlugin;
import org.gradle.util.SingleMessageLogger;
import javax.inject.Inject;
import java.io.File;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
import static org.gradle.internal.component.local.model.DefaultProjectComponentIdentifier.newProjectId;
/**
* <p>A plugin which generates Eclipse files.</p>
*/
public class EclipsePlugin extends IdePlugin {
public static final String ECLIPSE_TASK_NAME = "eclipse";
public static final String ECLIPSE_PROJECT_TASK_NAME = "eclipseProject";
public static final String ECLIPSE_CP_TASK_NAME = "eclipseClasspath";
public static final String ECLIPSE_JDT_TASK_NAME = "eclipseJdt";
private final Instantiator instantiator;
private final UniqueProjectNameProvider uniqueProjectNameProvider;
@Inject
public EclipsePlugin(Instantiator instantiator, UniqueProjectNameProvider uniqueProjectNameProvider) {
this.instantiator = instantiator;
this.uniqueProjectNameProvider = uniqueProjectNameProvider;
}
@Override
protected String getLifecycleTaskName() {
return ECLIPSE_TASK_NAME;
}
@Override
protected void onApply(Project project) {
getLifecycleTask().setDescription("Generates all Eclipse files.");
getCleanTask().setDescription("Cleans all Eclipse files.");
EclipseModel model = project.getExtensions().create("eclipse", EclipseModel.class);
configureEclipseProject(project, model);
configureEclipseJdt(project, model);
configureEclipseClasspath(project, model);
registerEclipseArtifacts(project);
applyEclipseWtpPluginOnWebProjects(project);
}
// No one should be calling this.
@Deprecated
public void performPostEvaluationActions() {
SingleMessageLogger.nagUserOfDiscontinuedMethod("performPostEvaluationActions");
}
private static void registerEclipseArtifacts(Project project) {
ProjectLocalComponentProvider projectComponentProvider = ((ProjectInternal) project).getServices().get(ProjectLocalComponentProvider.class);
ProjectComponentIdentifier projectId = newProjectId(project);
EclipseProject eclipseProject = project.getExtensions().getByType(EclipseModel.class).getProject();
projectComponentProvider.registerAdditionalArtifact(projectId, createArtifact(eclipseProject, "project", projectId, project));
projectComponentProvider.registerAdditionalArtifact(projectId, createArtifact(eclipseProject, "classpath", projectId, project));
}
private static LocalComponentArtifactMetadata createArtifact(EclipseProject eclipseProject, String extension, ProjectComponentIdentifier projectId, Project project) {
Task byName = project.getTasks().getByName("eclipseProject");
PublishArtifact publishArtifact = new EclipseArtifact(eclipseProject, project.getProjectDir(), extension, byName);
return new PublishArtifactLocalArtifactMetadata(projectId, publishArtifact);
}
private void configureEclipseProject(final Project project, final EclipseModel model) {
maybeAddTask(project, this, ECLIPSE_PROJECT_TASK_NAME, GenerateEclipseProject.class, new Action<GenerateEclipseProject>() {
@Override
public void execute(GenerateEclipseProject task) {
final EclipseProject projectModel = task.getProjectModel();
//task properties:
task.setDescription("Generates the Eclipse project file.");
task.setInputFile(project.file(".project"));
task.setOutputFile(project.file(".project"));
//model:
model.setProject(projectModel);
final String defaultModuleName = uniqueProjectNameProvider.getUniqueName(project);
projectModel.setName(defaultModuleName);
final ConventionMapping convention = ((IConventionAware) projectModel).getConventionMapping();
convention.map("comment", new Callable<String>() {
@Override
public String call() {
return project.getDescription();
}
});
project.getPlugins().withType(JavaBasePlugin.class, new Action<JavaBasePlugin>() {
@Override
public void execute(JavaBasePlugin javaBasePlugin) {
if (!project.getPlugins().hasPlugin(EarPlugin.class)) {
projectModel.buildCommand("org.eclipse.jdt.core.javabuilder");
}
projectModel.natures("org.eclipse.jdt.core.javanature");
convention.map("linkedResources", new Callable<Set<Link>>() {
@Override
public Set<Link> call() {
return new LinkedResourcesCreator().links(project);
}
});
}
});
project.getPlugins().withType(GroovyBasePlugin.class, new Action<GroovyBasePlugin>() {
@Override
public void execute(GroovyBasePlugin groovyBasePlugin) {
projectModel.getNatures().add(projectModel.getNatures().indexOf("org.eclipse.jdt.core.javanature"), "org.eclipse.jdt.groovy.core.groovyNature");
}
});
project.getPlugins().withType(ScalaBasePlugin.class, new Action<ScalaBasePlugin>() {
@Override
public void execute(ScalaBasePlugin scalaBasePlugin) {
projectModel.getBuildCommands().set(Iterables.indexOf(projectModel.getBuildCommands(), new Predicate<BuildCommand>() {
@Override
public boolean apply(BuildCommand buildCommand) {
return buildCommand.getName().equals("org.eclipse.jdt.core.javabuilder");
}
}), new BuildCommand("org.scala-ide.sdt.core.scalabuilder"));
projectModel.getNatures().add(projectModel.getNatures().indexOf("org.eclipse.jdt.core.javanature"), "org.scala-ide.sdt.core.scalanature");
}
});
}
});
}
private void configureEclipseClasspath(final Project project, final EclipseModel model) {
model.setClasspath(instantiator.newInstance(EclipseClasspath.class, project));
((IConventionAware) model.getClasspath()).getConventionMapping().map("defaultOutputDir", new Callable<File>() {
@Override
public File call() {
return new File(project.getProjectDir(), "bin");
}
});
final EclipsePlugin eclipsePlugin = this;
project.getPlugins().withType(JavaBasePlugin.class, new Action<JavaBasePlugin>() {
@Override
public void execute(JavaBasePlugin javaBasePlugin) {
maybeAddTask(project, eclipsePlugin, ECLIPSE_CP_TASK_NAME, GenerateEclipseClasspath.class, new Action<GenerateEclipseClasspath>() {
@Override
public void execute(final GenerateEclipseClasspath task) {
//task properties:
task.setDescription("Generates the Eclipse classpath file.");
task.setInputFile(project.file(".classpath"));
task.setOutputFile(project.file(".classpath"));
//model properties:
task.setClasspath(model.getClasspath());
task.getClasspath().setFile(new XmlFileContentMerger(task.getXmlTransformer()));
task.getClasspath().setSourceSets(project.getConvention().getPlugin(JavaPluginConvention.class).getSourceSets());
AfterEvaluateHelper.afterEvaluateOrExecute(project, new Action<Project>() {
@Override
public void execute(Project p) {
// keep the ordering we had in earlier gradle versions
Set<String> containers = Sets.newLinkedHashSet();
containers.add("org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/" + model.getJdt().getJavaRuntimeName() + "/");
containers.addAll(task.getClasspath().getContainers());
task.getClasspath().setContainers(containers);
}
});
project.getPlugins().withType(JavaPlugin.class, new Action<JavaPlugin>() {
@Override
public void execute(JavaPlugin javaPlugin) {
configureJavaClasspath(project, task);
}
});
configureScalaDependencies(project, task);
}
});
}
});
}
private static void configureJavaClasspath(final Project project, GenerateEclipseClasspath task) {
task.getClasspath().setPlusConfigurations(Lists.newArrayList(project.getConfigurations().getByName("compileClasspath"), project.getConfigurations().getByName("runtimeClasspath"), project.getConfigurations().getByName("testCompileClasspath"), project.getConfigurations().getByName("testRuntimeClasspath")));
((IConventionAware) task.getClasspath()).getConventionMapping().map("classFolders", new Callable<List<File>>() {
@Override
public List<File> call() {
SourceSetContainer sourceSets = project.getConvention().getPlugin(JavaPluginConvention.class).getSourceSets();
return Lists.newArrayList(Iterables.concat(sourceSets.getByName("main").getOutput().getDirs(), sourceSets.getByName("test").getOutput().getDirs()));
}
});
SourceSetContainer sourceSets = project.getConvention().getPlugin(JavaPluginConvention.class).getSourceSets();
task.dependsOn(sourceSets.getByName("main").getOutput().getDirs());
task.dependsOn(sourceSets.getByName("test").getOutput().getDirs());
}
private static void configureScalaDependencies(final Project project, final GenerateEclipseClasspath task) {
project.getPlugins().withType(ScalaBasePlugin.class, new Action<ScalaBasePlugin>() {
@Override
public void execute(ScalaBasePlugin scalaBasePlugin) {
task.getClasspath().containers("org.scala-ide.sdt.launching.SCALA_CONTAINER");
// exclude the dependencies already provided by SCALA_CONTAINER; prevents problems with Eclipse Scala plugin
project.getGradle().addBuildListener(new BuildAdapter() {
@Override
public void projectsEvaluated(Gradle gradle) {
final List<String> provided = Lists.newArrayList("scala-library", "scala-swing", "scala-dbc");
Predicate<Dependency> dependencyInProvided = new Predicate<Dependency>() {
@Override
public boolean apply(Dependency dependency) {
return provided.contains(dependency.getName());
}
};
List<Dependency> dependencies = Lists.newArrayList(Iterables.filter(Iterables.concat(Iterables.transform(task.getClasspath().getPlusConfigurations(), new Function<Configuration, Iterable<Dependency>>() {
@Override
public Iterable<Dependency> apply(Configuration config) {
return config.getAllDependencies();
}
})), dependencyInProvided));
if (!dependencies.isEmpty()) {
task.getClasspath().getMinusConfigurations().add(project.getConfigurations().detachedConfiguration(dependencies.toArray(new Dependency[0])));
}
}
});
}
});
}
private void configureEclipseJdt(final Project project, final EclipseModel model) {
final EclipsePlugin eclipsePlugin = this;
project.getPlugins().withType(JavaBasePlugin.class, new Action<JavaBasePlugin>() {
@Override
public void execute(JavaBasePlugin javaBasePlugin) {
maybeAddTask(project, eclipsePlugin, ECLIPSE_JDT_TASK_NAME, GenerateEclipseJdt.class, new Action<GenerateEclipseJdt>() {
@Override
public void execute(GenerateEclipseJdt task) {
//task properties:
task.setDescription("Generates the Eclipse JDT settings file.");
task.setOutputFile(project.file(".settings/org.eclipse.jdt.core.prefs"));
task.setInputFile(project.file(".settings/org.eclipse.jdt.core.prefs"));
//model properties:
EclipseJdt jdt = task.getJdt();
model.setJdt(jdt);
ConventionMapping conventionMapping = ((IConventionAware) jdt).getConventionMapping();
conventionMapping.map("sourceCompatibility", new Callable<JavaVersion>() {
@Override
public JavaVersion call() {
return project.getConvention().getPlugin(JavaPluginConvention.class).getSourceCompatibility();
}
});
conventionMapping.map("targetCompatibility", new Callable<JavaVersion>() {
@Override
public JavaVersion call() {
return project.getConvention().getPlugin(JavaPluginConvention.class).getTargetCompatibility();
}
});
conventionMapping.map("javaRuntimeName", new Callable<String>() {
@Override
public String call() {
return eclipseJavaRuntimeNameFor(project.getConvention().getPlugin(JavaPluginConvention.class).getTargetCompatibility());
}
});
}
});
}
});
}
private static String eclipseJavaRuntimeNameFor(JavaVersion version) {
// Default Eclipse JRE paths:
// https://github.com/eclipse/eclipse.jdt.debug/blob/master/org.eclipse.jdt.launching/plugin.xml#L241-L303
switch (version) {
case VERSION_1_1:
return "JRE-1.1";
case VERSION_1_2:
case VERSION_1_3:
case VERSION_1_4:
case VERSION_1_5:
return "J2SE-" + version;
default:
return "JavaSE-" + version;
}
}
private void applyEclipseWtpPluginOnWebProjects(Project project) {
Action<Plugin<Project>> action = createActionApplyingEclipseWtpPlugin();
project.getPlugins().withType(WarPlugin.class, action);
project.getPlugins().withType(EarPlugin.class, action);
}
private Action<Plugin<Project>> createActionApplyingEclipseWtpPlugin() {
return new Action<Plugin<Project>>() {
@Override
public void execute(Plugin<Project> plugin) {
project.getPluginManager().apply(EclipseWtpPlugin.class);
}
};
}
private static <T extends Task> void maybeAddTask(Project project, IdePlugin plugin, String taskName, Class<T> taskType, Action<T> action) {
TaskContainer tasks = project.getTasks();
if (tasks.findByName(taskName) != null) {
return;
}
T task = tasks.create(taskName, taskType);
action.execute(task);
plugin.addWorker(task);
}
private static final Predicate<Project> HAS_ECLIPSE_PLUGIN = new Predicate<Project>() {
@Override
public boolean apply(Project project) {
return project.getPlugins().hasPlugin(EclipsePlugin.class);
}
};
private static class EclipseArtifact extends DefaultPublishArtifact {
private final EclipseProject eclipseProject;
private final File projectDir;
public EclipseArtifact(EclipseProject eclipseProject, File projectDir, String extension, Object... tasks) {
super(null, extension, "eclipse." + extension, null, null, null, tasks);
this.eclipseProject = eclipseProject;
this.projectDir = projectDir;
}
@Override
public String getName() {
return eclipseProject.getName();
}
@Override
public File getFile() {
return new File(projectDir, "." + getExtension());
}
}
}