/*
* Copyright 2012 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.tasks.compile;
import org.gradle.api.AntBuilder;
import org.gradle.api.Incubating;
import org.gradle.api.internal.changedetection.changes.IncrementalTaskInputsInternal;
import org.gradle.api.internal.file.FileOperations;
import org.gradle.api.internal.tasks.compile.CleaningJavaCompiler;
import org.gradle.api.internal.tasks.compile.DefaultJavaCompileSpec;
import org.gradle.api.internal.tasks.compile.JavaCompileSpec;
import org.gradle.api.internal.tasks.compile.incremental.IncrementalCompilerFactory;
import org.gradle.api.internal.tasks.compile.incremental.analyzer.ClassAnalysisCache;
import org.gradle.api.internal.tasks.compile.incremental.cache.CompileCaches;
import org.gradle.api.internal.tasks.compile.incremental.cache.GeneralCompileCaches;
import org.gradle.api.internal.tasks.compile.incremental.deps.LocalClassSetAnalysisStore;
import org.gradle.api.internal.tasks.compile.incremental.jar.JarSnapshotCache;
import org.gradle.api.internal.tasks.compile.incremental.jar.LocalJarClasspathSnapshotStore;
import org.gradle.api.tasks.Nested;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.TaskAction;
import org.gradle.api.tasks.WorkResult;
import org.gradle.api.tasks.incremental.IncrementalTaskInputs;
import org.gradle.cache.CacheRepository;
import org.gradle.internal.Factory;
import org.gradle.jvm.internal.toolchain.JavaToolChainInternal;
import org.gradle.jvm.platform.JavaPlatform;
import org.gradle.jvm.toolchain.JavaToolChain;
import org.gradle.language.base.internal.compile.Compiler;
import org.gradle.util.SingleMessageLogger;
import javax.inject.Inject;
import java.io.File;
/**
* Compiles Java source files.
*
* <pre autoTested=''>
* apply plugin: 'java'
* compileJava {
* //enable compilation in a separate daemon process
* options.fork = true
*
* //enable incremental compilation
* options.incremental = true
* }
* </pre>
*/
public class JavaCompile extends AbstractCompile {
private File dependencyCacheDir;
private final CompileOptions compileOptions = new CompileOptions();
/**
* Returns the tool chain that will be used to compile the Java source.
*
* @return The tool chain.
*/
@Incubating @Inject
public JavaToolChain getToolChain() {
// Implementation is generated
throw new UnsupportedOperationException();
}
/**
* Sets the tool chain that should be used to compile the Java source.
*
* @param toolChain The tool chain.
*/
@Incubating
public void setToolChain(JavaToolChain toolChain) {
// Implementation is generated
throw new UnsupportedOperationException();
}
@TaskAction
protected void compile(IncrementalTaskInputs inputs) {
if (!compileOptions.isIncremental()) {
compile();
return;
}
SingleMessageLogger.incubatingFeatureUsed("Incremental java compilation");
DefaultJavaCompileSpec spec = createSpec();
final CacheRepository repository1 = getCacheRepository();
final JavaCompile javaCompile1 = this;
final GeneralCompileCaches generalCaches1 = getGeneralCompileCaches();
CompileCaches compileCaches = new CompileCaches() {
private final CacheRepository repository = repository1;
private final JavaCompile javaCompile = javaCompile1;
private final GeneralCompileCaches generalCaches = generalCaches1;
public ClassAnalysisCache getClassAnalysisCache() {
return generalCaches.getClassAnalysisCache();
}
public JarSnapshotCache getJarSnapshotCache() {
return generalCaches.getJarSnapshotCache();
}
public LocalJarClasspathSnapshotStore getLocalJarClasspathSnapshotStore() {
return new LocalJarClasspathSnapshotStore(repository, javaCompile);
}
public LocalClassSetAnalysisStore getLocalClassSetAnalysisStore() {
return new LocalClassSetAnalysisStore(repository, javaCompile);
}
};
IncrementalCompilerFactory factory = new IncrementalCompilerFactory(
(FileOperations) getProject(), getPath(), createCompiler(spec), source, compileCaches, (IncrementalTaskInputsInternal) inputs);
Compiler<JavaCompileSpec> compiler = factory.createCompiler();
performCompilation(spec, compiler);
}
@Inject protected GeneralCompileCaches getGeneralCompileCaches() {
throw new UnsupportedOperationException();
}
@Inject protected CacheRepository getCacheRepository() {
throw new UnsupportedOperationException();
}
protected void compile() {
DefaultJavaCompileSpec spec = createSpec();
performCompilation(spec, createCompiler(spec));
}
@Inject
protected Factory<AntBuilder> getAntBuilderFactory() {
throw new UnsupportedOperationException();
}
private CleaningJavaCompiler createCompiler(JavaCompileSpec spec) {
// TODO:DAZ Supply the target platform to the task, using the compatibility flags as overrides
// Or maybe split the legacy compile task from the new one
Compiler<JavaCompileSpec> javaCompiler = ((JavaToolChainInternal) getToolChain()).select(getPlatform()).newCompiler(spec);
return new CleaningJavaCompiler(javaCompiler, getAntBuilderFactory(), getOutputs());
}
protected JavaPlatform getPlatform() {
return null;
}
private void performCompilation(JavaCompileSpec spec, Compiler<JavaCompileSpec> compiler) {
WorkResult result = compiler.execute(spec);
setDidWork(result.getDidWork());
}
private DefaultJavaCompileSpec createSpec() {
DefaultJavaCompileSpec spec = new DefaultJavaCompileSpec();
spec.setSource(getSource());
spec.setDestinationDir(getDestinationDir());
spec.setWorkingDir(getProject().getProjectDir());
spec.setTempDir(getTemporaryDir());
spec.setClasspath(getClasspath());
spec.setDependencyCacheDir(getDependencyCacheDir());
spec.setTargetCompatibility(getTargetCompatibility());
spec.setSourceCompatibility(getSourceCompatibility());
spec.setCompileOptions(compileOptions);
return spec;
}
@OutputDirectory
public File getDependencyCacheDir() {
return dependencyCacheDir;
}
public void setDependencyCacheDir(File dependencyCacheDir) {
this.dependencyCacheDir = dependencyCacheDir;
}
/**
* Returns the compilation options.
*
* @return The compilation options.
*/
@Nested
public CompileOptions getOptions() {
return compileOptions;
}
}