Examples with JavacEventSinkToBuckEventBusBridge com.facebook.buck.jvm.java.JavacEventSinkToBuckEventBusBridge used on opensource projects

Example 1 with JavacEventSinkToBuckEventBusBridge

use of com.facebook.buck.jvm.java.JavacEventSinkToBuckEventBusBridge in project buck by facebook.

the class UnzipAar method getBuildSteps.

@Override
public ImmutableList<Step> getBuildSteps(BuildContext context, BuildableContext buildableContext) {
    ImmutableList.Builder<Step> steps = ImmutableList.builder();
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), unpackDirectory));
    steps.add(new UnzipStep(getProjectFilesystem(), context.getSourcePathResolver().getAbsolutePath(aarFile), unpackDirectory));
    steps.add(new TouchStep(getProjectFilesystem(), getProguardConfig()));
    steps.add(new MkdirStep(getProjectFilesystem(), context.getSourcePathResolver().getAbsolutePath(getAssetsDirectory())));
    steps.add(new MkdirStep(getProjectFilesystem(), getNativeLibsDirectory()));
    steps.add(new TouchStep(getProjectFilesystem(), getTextSymbolsFile()));
    // We take the classes.jar file that is required to exist in an .aar and merge it with any
    // .jar files under libs/ into an "uber" jar. We do this for simplicity because we do not know
    // how many entries there are in libs/ at graph enhancement time, but we need to make sure
    // that all of the .class files in the .aar get packaged. As it is implemented today, an
    // android_library that depends on an android_prebuilt_aar can compile against anything in the
    // .aar's classes.jar or libs/.
    steps.add(new MkdirStep(getProjectFilesystem(), uberClassesJar.getParent()));
    steps.add(new AbstractExecutionStep("create_uber_classes_jar") {

        @Override
        public StepExecutionResult execute(ExecutionContext context) {
            Path libsDirectory = unpackDirectory.resolve("libs");
            boolean dirDoesNotExistOrIsEmpty;
            if (!getProjectFilesystem().exists(libsDirectory)) {
                dirDoesNotExistOrIsEmpty = true;
            } else {
                try {
                    dirDoesNotExistOrIsEmpty = getProjectFilesystem().getDirectoryContents(libsDirectory).isEmpty();
                } catch (IOException e) {
                    context.logError(e, "Failed to get directory contents of %s", libsDirectory);
                    return StepExecutionResult.ERROR;
                }
            }
            Path classesJar = unpackDirectory.resolve("classes.jar");
            JavacEventSinkToBuckEventBusBridge eventSink = new JavacEventSinkToBuckEventBusBridge(context.getBuckEventBus());
            if (!getProjectFilesystem().exists(classesJar)) {
                try {
                    JarDirectoryStepHelper.createEmptyJarFile(getProjectFilesystem(), classesJar, eventSink, context.getStdErr());
                } catch (IOException e) {
                    context.logError(e, "Failed to create empty jar %s", classesJar);
                    return StepExecutionResult.ERROR;
                }
            }
            if (dirDoesNotExistOrIsEmpty) {
                try {
                    getProjectFilesystem().copy(classesJar, uberClassesJar, ProjectFilesystem.CopySourceMode.FILE);
                } catch (IOException e) {
                    context.logError(e, "Failed to copy from %s to %s", classesJar, uberClassesJar);
                    return StepExecutionResult.ERROR;
                }
            } else {
                // Glob all of the contents from classes.jar and the entries in libs/ into a single JAR.
                ImmutableSortedSet.Builder<Path> entriesToJarBuilder = ImmutableSortedSet.naturalOrder();
                entriesToJarBuilder.add(classesJar);
                try {
                    entriesToJarBuilder.addAll(getProjectFilesystem().getDirectoryContents(libsDirectory));
                } catch (IOException e) {
                    context.logError(e, "Failed to get directory contents of %s", libsDirectory);
                    return StepExecutionResult.ERROR;
                }
                ImmutableSortedSet<Path> entriesToJar = entriesToJarBuilder.build();
                try {
                    JarDirectoryStepHelper.createJarFile(getProjectFilesystem(), uberClassesJar, entriesToJar, /* mainClass */
                    Optional.empty(), /* manifestFile */
                    Optional.empty(), /* mergeManifests */
                    true, /* blacklist */
                    ImmutableSet.of(), eventSink, context.getStdErr());
                } catch (IOException e) {
                    context.logError(e, "Failed to jar %s into %s", entriesToJar, uberClassesJar);
                    return StepExecutionResult.ERROR;
                }
            }
            return StepExecutionResult.SUCCESS;
        }
    });
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), pathToTextSymbolsDir));
    steps.add(new ExtractFromAndroidManifestStep(getAndroidManifest(), getProjectFilesystem(), buildableContext, METADATA_KEY_FOR_R_DOT_JAVA_PACKAGE, pathToRDotJavaPackageFile));
    steps.add(CopyStep.forFile(getProjectFilesystem(), getTextSymbolsFile(), pathToTextSymbolsFile));
    buildableContext.recordArtifact(unpackDirectory);
    buildableContext.recordArtifact(uberClassesJar);
    buildableContext.recordArtifact(pathToTextSymbolsFile);
    buildableContext.recordArtifact(pathToRDotJavaPackageFile);
    return steps.build();
}