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GroovyBasePlugin.java
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GroovyBasePlugin.java
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/*
* Copyright 2009 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.api.plugins;
import com.google.common.collect.Sets;
import org.gradle.api.JavaVersion;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.attributes.LibraryElements;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.classpath.ModuleRegistry;
import org.gradle.api.internal.plugins.DslObject;
import org.gradle.api.internal.tasks.DefaultSourceSet;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.plugins.internal.DefaultJavaPluginExtension;
import org.gradle.api.plugins.internal.JvmPluginsHelper;
import org.gradle.api.plugins.jvm.internal.JvmLanguageUtilities;
import org.gradle.api.provider.Provider;
import org.gradle.api.reporting.ReportingExtension;
import org.gradle.api.tasks.GroovyRuntime;
import org.gradle.api.tasks.GroovySourceDirectorySet;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.compile.GroovyCompile;
import org.gradle.api.tasks.javadoc.Groovydoc;
import org.gradle.api.tasks.javadoc.GroovydocAccess;
import org.gradle.internal.deprecation.DeprecationLogger;
import org.gradle.jvm.toolchain.JavaLauncher;
import org.gradle.jvm.toolchain.JavaToolchainService;
import javax.annotation.Nullable;
import javax.inject.Inject;
import java.util.function.Supplier;
import static org.gradle.api.internal.lambdas.SerializableLambdas.spec;
/**
* Extends {@link org.gradle.api.plugins.JavaBasePlugin} to provide support for compiling and documenting Groovy
* source files.
*
* @see <a href="https://docs.gradle.org/current/userguide/groovy_plugin.html">Groovy plugin reference</a>
*/
public abstract class GroovyBasePlugin implements Plugin<Project> {
public static final String GROOVY_RUNTIME_EXTENSION_NAME = "groovyRuntime";
private final ObjectFactory objectFactory;
private final ModuleRegistry moduleRegistry;
private final JvmLanguageUtilities jvmLanguageUtils;
@Inject
public GroovyBasePlugin(
ObjectFactory objectFactory,
ModuleRegistry moduleRegistry,
JvmLanguageUtilities jvmPluginServices
) {
this.objectFactory = objectFactory;
this.moduleRegistry = moduleRegistry;
this.jvmLanguageUtils = jvmPluginServices;
}
@Override
public void apply(Project project) {
project.getPluginManager().apply(JavaBasePlugin.class);
GroovyRuntime groovyRuntime = project.getExtensions().create(GROOVY_RUNTIME_EXTENSION_NAME, GroovyRuntime.class, project);
configureCompileDefaults(project, groovyRuntime);
configureSourceSetDefaults(project);
configureGroovydoc(project, groovyRuntime);
}
private void configureCompileDefaults(Project project, GroovyRuntime groovyRuntime) {
project.getTasks().withType(GroovyCompile.class).configureEach(compile -> {
compile.getConventionMapping().map(
"groovyClasspath",
() -> groovyRuntime.inferGroovyClasspath(compile.getClasspath())
);
DefaultJavaPluginExtension javaExtension = (DefaultJavaPluginExtension) project.getExtensions().getByType(JavaPluginExtension.class);
JvmPluginsHelper.configureCompileDefaults(compile, javaExtension, (@Nullable JavaVersion rawConvention, Supplier<JavaVersion> javaVersionSupplier) -> {
if (rawConvention != null) {
return rawConvention;
}
return JavaVersion.toVersion(compile.getJavaLauncher().get().getMetadata().getLanguageVersion().toString());
});
});
}
private void configureSourceSetDefaults(Project project) {
javaPluginExtension(project).getSourceSets().all(sourceSet -> {
GroovySourceDirectorySet groovySource = getGroovySourceDirectorySet(sourceSet);
sourceSet.getExtensions().add(GroovySourceDirectorySet.class, "groovy", groovySource);
groovySource.srcDir("src/" + sourceSet.getName() + "/groovy");
// Explicitly capture only a FileCollection in the lambda below for compatibility with configuration-cache.
final FileCollection groovySourceFiles = groovySource;
sourceSet.getResources().getFilter().exclude(
spec(element -> groovySourceFiles.contains(element.getFile()))
);
sourceSet.getAllJava().source(groovySource);
sourceSet.getAllSource().source(groovySource);
TaskProvider<GroovyCompile> compileTask = createGroovyCompileTask(project, sourceSet, groovySource);
ConfigurationContainer configurations = project.getConfigurations();
configureLibraryElements(sourceSet, configurations, project.getObjects());
configureTargetPlatform(compileTask, sourceSet, configurations);
});
}
/**
* In 9.0, once {@link org.gradle.api.internal.tasks.DefaultGroovySourceSet} is removed, we can update this to only construct the source directory
* set instead of the entire source set.
*/
@SuppressWarnings("deprecation")
private GroovySourceDirectorySet getGroovySourceDirectorySet(SourceSet sourceSet) {
final org.gradle.api.internal.tasks.DefaultGroovySourceSet groovySourceSet = objectFactory.newInstance(org.gradle.api.internal.tasks.DefaultGroovySourceSet.class, "groovy", ((DefaultSourceSet) sourceSet).getDisplayName(), objectFactory);
DeprecationLogger.whileDisabled(() ->
new DslObject(sourceSet).getConvention().getPlugins().put("groovy", groovySourceSet)
);
return groovySourceSet.getGroovy();
}
private static void configureLibraryElements(SourceSet sourceSet, ConfigurationContainer configurations, ObjectFactory objectFactory) {
// Explain that Groovy, for compile, also needs the resources (#9872)
configurations.getByName(sourceSet.getCompileClasspathConfigurationName()).attributes(attrs ->
attrs.attribute(
LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE,
objectFactory.named(LibraryElements.class, LibraryElements.CLASSES_AND_RESOURCES)
)
);
}
private void configureTargetPlatform(TaskProvider<GroovyCompile> compileTask, SourceSet sourceSet, ConfigurationContainer configurations) {
jvmLanguageUtils.useDefaultTargetPlatformInference(configurations.getByName(sourceSet.getCompileClasspathConfigurationName()), compileTask);
jvmLanguageUtils.useDefaultTargetPlatformInference(configurations.getByName(sourceSet.getRuntimeClasspathConfigurationName()), compileTask);
}
private TaskProvider<GroovyCompile> createGroovyCompileTask(Project project, SourceSet sourceSet, GroovySourceDirectorySet groovySource) {
final TaskProvider<GroovyCompile> compileTask = project.getTasks().register(sourceSet.getCompileTaskName("groovy"), GroovyCompile.class, groovyCompile -> {
JvmPluginsHelper.compileAgainstJavaOutputs(groovyCompile, sourceSet, objectFactory);
JvmPluginsHelper.configureAnnotationProcessorPath(sourceSet, groovySource, groovyCompile.getOptions(), project);
groovyCompile.setDescription("Compiles the " + groovySource + ".");
groovyCompile.setSource(groovySource);
groovyCompile.getJavaLauncher().convention(getJavaLauncher(project));
groovyCompile.getGroovyOptions().getDisabledGlobalASTTransformations().convention(Sets.newHashSet("groovy.grape.GrabAnnotationTransformation"));
});
JvmPluginsHelper.configureOutputDirectoryForSourceSet(sourceSet, groovySource, project, compileTask, compileTask.map(GroovyCompile::getOptions));
// TODO: `classes` should be a little more tied to the classesDirs for a SourceSet so every plugin
// doesn't need to do this.
project.getTasks().named(sourceSet.getClassesTaskName(), task -> task.dependsOn(compileTask));
return compileTask;
}
private void configureGroovydoc(Project project, GroovyRuntime groovyRuntime) {
project.getTasks().withType(Groovydoc.class).configureEach(groovydoc -> {
groovydoc.getConventionMapping().map("groovyClasspath", () -> {
FileCollection groovyClasspath = groovyRuntime.inferGroovyClasspath(groovydoc.getClasspath());
// Jansi is required to log errors when generating Groovydoc
ConfigurableFileCollection jansi = project.getObjects().fileCollection().from(moduleRegistry.getExternalModule("jansi").getImplementationClasspath().getAsFiles());
return groovyClasspath.plus(jansi);
});
groovydoc.getConventionMapping().map("destinationDir", () -> javaPluginExtension(project).getDocsDir().dir("groovydoc").get().getAsFile());
groovydoc.getConventionMapping().map("docTitle", () -> extensionOf(project, ReportingExtension.class).getApiDocTitle());
groovydoc.getConventionMapping().map("windowTitle", () -> extensionOf(project, ReportingExtension.class).getApiDocTitle());
groovydoc.getAccess().convention(GroovydocAccess.PROTECTED);
groovydoc.getIncludeAuthor().convention(false);
groovydoc.getProcessScripts().convention(true);
groovydoc.getIncludeMainForScripts().convention(true);
});
}
private static Provider<JavaLauncher> getJavaLauncher(Project project) {
final JavaPluginExtension extension = javaPluginExtension(project);
final JavaToolchainService service = extensionOf(project, JavaToolchainService.class);
return service.launcherFor(extension.getToolchain());
}
private static JavaPluginExtension javaPluginExtension(Project project) {
return extensionOf(project, JavaPluginExtension.class);
}
private static <T> T extensionOf(ExtensionAware extensionAware, Class<T> type) {
return extensionAware.getExtensions().getByType(type);
}
}