/*
* Copyright 2014 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.language.java.plugins;
import org.gradle.api.DefaultTask;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.jvm.JvmBinarySpec;
import org.gradle.jvm.JvmByteCode;
import org.gradle.language.base.LanguageSourceSet;
import org.gradle.language.base.internal.LanguageRegistration;
import org.gradle.language.base.internal.LanguageRegistry;
import org.gradle.language.base.internal.SourceTransformTaskConfig;
import org.gradle.language.base.plugins.ComponentModelBasePlugin;
import org.gradle.language.java.JavaSourceSet;
import org.gradle.language.java.internal.DefaultJavaSourceSet;
import org.gradle.language.java.tasks.PlatformJavaCompile;
import org.gradle.language.jvm.plugins.JvmResourcesPlugin;
import org.gradle.platform.base.BinarySpec;
import org.gradle.platform.base.TransformationFileType;
import java.io.File;
import java.util.Collections;
import java.util.Map;
/**
* Plugin for compiling Java code. Applies the {@link org.gradle.language.base.plugins.ComponentModelBasePlugin} and {@link org.gradle.language.jvm.plugins.JvmResourcesPlugin}. Registers "java"
* language support with the {@link JavaSourceSet}.
*/
public class JavaLanguagePlugin implements Plugin<Project> {
public void apply(Project project) {
project.apply(Collections.singletonMap("plugin", ComponentModelBasePlugin.class));
project.apply(Collections.singletonMap("plugin", JvmResourcesPlugin.class));
project.getExtensions().getByType(LanguageRegistry.class).add(new Java());
}
private static class Java implements LanguageRegistration<JavaSourceSet> {
public String getName() {
return "java";
}
public Class<JavaSourceSet> getSourceSetType() {
return JavaSourceSet.class;
}
public Class<? extends JavaSourceSet> getSourceSetImplementation() {
return DefaultJavaSourceSet.class;
}
public Map<String, Class<?>> getBinaryTools() {
return Collections.emptyMap();
}
public Class<? extends TransformationFileType> getOutputType() {
return JvmByteCode.class;
}
public SourceTransformTaskConfig getTransformTask() {
return new SourceTransformTaskConfig() {
public String getTaskPrefix() {
return "compile";
}
public Class<? extends DefaultTask> getTaskType() {
return PlatformJavaCompile.class;
}
public void configureTask(Task task, BinarySpec binarySpec, LanguageSourceSet sourceSet) {
PlatformJavaCompile compile = (PlatformJavaCompile) task;
JavaSourceSet javaSourceSet = (JavaSourceSet) sourceSet;
JvmBinarySpec binary = (JvmBinarySpec) binarySpec;
compile.setDescription(String.format("Compiles %s.", javaSourceSet));
compile.setDestinationDir(binary.getClassesDir());
compile.setToolChain(binary.getToolChain());
compile.setPlatform(binary.getTargetPlatform());
compile.setSource(javaSourceSet.getSource());
compile.setClasspath(javaSourceSet.getCompileClasspath().getFiles());
compile.setTargetCompatibility(binary.getTargetPlatform().getTargetCompatibility().toString());
compile.setSourceCompatibility(binary.getTargetPlatform().getTargetCompatibility().toString());
compile.setDependencyCacheDir(new File(compile.getProject().getBuildDir(), "jvm-dep-cache"));
compile.dependsOn(javaSourceSet);
binary.getTasks().getJar().dependsOn(compile);
}
};
}
public boolean applyToBinary(BinarySpec binary) {
return binary instanceof JvmBinarySpec;
}
}
}