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/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* 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.jetbrains.jps.incremental;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.util.Consumer;
import com.intellij.util.SmartList;
import gnu.trove.THashSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jps.ProjectPaths;
import org.jetbrains.jps.api.GlobalOptions;
import org.jetbrains.jps.builders.BuildTarget;
import org.jetbrains.jps.builders.BuildTargetRegistry;
import org.jetbrains.jps.builders.ModuleBasedTarget;
import org.jetbrains.jps.builders.TargetOutputIndex;
import org.jetbrains.jps.builders.java.ExcludedJavaSourceRootProvider;
import org.jetbrains.jps.builders.java.JavaModuleBuildTargetType;
import org.jetbrains.jps.builders.java.JavaSourceRootDescriptor;
import org.jetbrains.jps.builders.storage.BuildDataPaths;
import org.jetbrains.jps.cmdline.ProjectDescriptor;
import org.jetbrains.jps.indices.IgnoredFileIndex;
import org.jetbrains.jps.indices.ModuleExcludeIndex;
import org.jetbrains.jps.model.JpsModel;
import org.jetbrains.jps.model.java.*;
import org.jetbrains.jps.model.java.compiler.JpsJavaCompilerConfiguration;
import org.jetbrains.jps.model.java.compiler.ProcessorConfigProfile;
import org.jetbrains.jps.model.module.JpsModule;
import org.jetbrains.jps.model.module.JpsTypedModuleSourceRoot;
import org.jetbrains.jps.service.JpsServiceManager;
import org.jetbrains.jps.util.JpsPathUtil;
import java.io.File;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
/**
* @author nik
*/
public final class ModuleBuildTarget extends JVMModuleBuildTarget<JavaSourceRootDescriptor> {
public static final Boolean REBUILD_ON_DEPENDENCY_CHANGE = Boolean.valueOf(
System.getProperty(GlobalOptions.REBUILD_ON_DEPENDENCY_CHANGE_OPTION, "true")
);
private final JavaModuleBuildTargetType myTargetType;
public ModuleBuildTarget(@NotNull JpsModule module, JavaModuleBuildTargetType targetType) {
super(targetType, module);
myTargetType = targetType;
}
@Nullable
public File getOutputDir() {
return JpsJavaExtensionService.getInstance().getOutputDirectory(myModule, myTargetType.isTests());
}
@NotNull
@Override
public Collection<File> getOutputRoots(CompileContext context) {
Collection<File> result = new SmartList<File>();
final File outputDir = getOutputDir();
if (outputDir != null) {
result.add(outputDir);
}
final JpsModule module = getModule();
final JpsJavaCompilerConfiguration configuration = JpsJavaExtensionService.getInstance().getOrCreateCompilerConfiguration(module.getProject());
final ProcessorConfigProfile profile = configuration.getAnnotationProcessingProfile(module);
if (profile.isEnabled()) {
final File annotationOut = ProjectPaths.getAnnotationProcessorGeneratedSourcesOutputDir(module, isTests(), profile);
if (annotationOut != null) {
result.add(annotationOut);
}
}
return result;
}
@Override
public boolean isTests() {
return myTargetType.isTests();
}
@Override
public final boolean isCompiledBeforeModuleLevelBuilders() {
return false;
}
@Override
public Collection<BuildTarget<?>> computeDependencies(BuildTargetRegistry targetRegistry, TargetOutputIndex outputIndex) {
JpsJavaDependenciesEnumerator enumerator = JpsJavaExtensionService.dependencies(myModule).compileOnly();
if (!isTests()) {
enumerator.productionOnly();
}
final ArrayList<BuildTarget<?>> dependencies = new ArrayList<BuildTarget<?>>();
enumerator.processModules(new Consumer<JpsModule>() {
@Override
public void consume(JpsModule module) {
dependencies.add(new ModuleBuildTarget(module, myTargetType));
}
});
if (isTests()) {
dependencies.add(new ModuleBuildTarget(myModule, JavaModuleBuildTargetType.PRODUCTION));
}
final Collection<ModuleBasedTarget<?>> moduleBased = targetRegistry.getModuleBasedTargets(
getModule(), isTests() ? BuildTargetRegistry.ModuleTargetSelector.TEST : BuildTargetRegistry.ModuleTargetSelector.PRODUCTION
);
for (ModuleBasedTarget<?> target : moduleBased) {
if (target != this && target.isCompiledBeforeModuleLevelBuilders()) {
dependencies.add(target);
}
}
dependencies.trimToSize();
return dependencies;
}
@NotNull
@Override
public List<JavaSourceRootDescriptor> computeRootDescriptors(JpsModel model, ModuleExcludeIndex index, IgnoredFileIndex ignoredFileIndex, BuildDataPaths dataPaths) {
List<JavaSourceRootDescriptor> roots = new ArrayList<JavaSourceRootDescriptor>();
JavaSourceRootType type = isTests() ? JavaSourceRootType.TEST_SOURCE : JavaSourceRootType.SOURCE;
Iterable<ExcludedJavaSourceRootProvider> excludedRootProviders = JpsServiceManager.getInstance().getExtensions(ExcludedJavaSourceRootProvider.class);
final Set<File> moduleExcludes = new THashSet<File>(FileUtil.FILE_HASHING_STRATEGY);
moduleExcludes.addAll(index.getModuleExcludes(myModule));
roots_loop:
for (JpsTypedModuleSourceRoot<JavaSourceRootProperties> sourceRoot : myModule.getSourceRoots(type)) {
if (JpsPathUtil.isUnder(moduleExcludes, sourceRoot.getFile())) {
continue;
}
for (ExcludedJavaSourceRootProvider provider : excludedRootProviders) {
if (provider.isExcludedFromCompilation(myModule, sourceRoot)) {
continue roots_loop;
}
}
final String packagePrefix = sourceRoot.getProperties().getPackagePrefix();
roots.add(new JavaSourceRootDescriptor(sourceRoot.getFile(), this, false, false, packagePrefix,
computeRootExcludes(sourceRoot.getFile(), index)));
}
return roots;
}
@NotNull
@Override
public String getPresentableName() {
return "Module '" + getModule().getName() + "' " + (myTargetType.isTests() ? "tests" : "production");
}
@Override
public void writeConfiguration(ProjectDescriptor pd, PrintWriter out) {
final JpsModule module = getModule();
int fingerprint = getDependenciesFingerprint();
final LanguageLevel level = JpsJavaExtensionService.getInstance().getLanguageLevel(module);
if (level != null) {
fingerprint += level.name().hashCode();
}
final JpsJavaCompilerConfiguration config = JpsJavaExtensionService.getInstance().getOrCreateCompilerConfiguration(module.getProject());
final String bytecodeTarget = config.getByteCodeTargetLevel(module.getName());
if (bytecodeTarget != null) {
fingerprint += bytecodeTarget.hashCode();
}
final CompilerEncodingConfiguration encodingConfig = pd.getEncodingConfiguration();
final String encoding = encodingConfig.getPreferredModuleEncoding(module);
if (encoding != null) {
fingerprint += encoding.hashCode();
}
out.write(Integer.toHexString(fingerprint));
}
private int getDependenciesFingerprint() {
int fingerprint = 0;
if (!REBUILD_ON_DEPENDENCY_CHANGE) {
return fingerprint;
}
final JpsModule module = getModule();
JpsJavaDependenciesEnumerator enumerator = JpsJavaExtensionService.dependencies(module).compileOnly();
if (!isTests()) {
enumerator = enumerator.productionOnly();
}
for (String url : enumerator.classes().getUrls()) {
fingerprint = 31 * fingerprint + url.hashCode();
}
return fingerprint;
}
}
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