public Result createBuildableForAndroidResources(
BuildRuleResolver ruleResolver, boolean createBuildableIfEmptyDeps) {
ImmutableSortedSet<BuildRule> originalDeps = originalBuildRuleParams.getDeps();
ImmutableList<HasAndroidResourceDeps> androidResourceDeps =
UberRDotJavaUtil.getAndroidResourceDeps(originalDeps);
if (androidResourceDeps.isEmpty() && !createBuildableIfEmptyDeps) {
return new Result(originalBuildRuleParams, Optional.<DummyRDotJava>absent());
}
BuildRule dummyRDotJavaBuildRule =
ruleResolver.buildAndAddToIndex(
DummyRDotJava.newDummyRDotJavaBuildableBuilder(buildRuleBuilderParams)
.setBuildTarget(dummyRDotJavaBuildTarget)
.setAndroidResourceDeps(androidResourceDeps));
final DummyRDotJava dummyRDotJava = (DummyRDotJava) dummyRDotJavaBuildRule.getBuildable();
ImmutableSortedSet<BuildRule> totalDeps =
ImmutableSortedSet.<BuildRule>naturalOrder()
.addAll(originalDeps)
.add(dummyRDotJavaBuildRule)
.build();
BuildRuleParams newBuildRuleParams = originalBuildRuleParams.copyWithChangedDeps(totalDeps);
return new Result(newBuildRuleParams, Optional.of(dummyRDotJava));
}
@Override
protected ImmutableList<HasAndroidResourceDeps> getAndroidResourceDepsInternal(
DependencyGraph graph) {
// Filter out the AndroidResourceRules that are needed by this APK but not the APK under test.
ImmutableSet<HasAndroidResourceDeps> originalResources =
ImmutableSet.copyOf(UberRDotJavaUtil.getAndroidResourceDeps(apkUnderTest, graph));
ImmutableList<HasAndroidResourceDeps> instrumentationResources =
UberRDotJavaUtil.getAndroidResourceDeps(this, graph);
// Include all of the instrumentation resources first, in their original order.
ImmutableList.Builder<HasAndroidResourceDeps> allResources = ImmutableList.builder();
for (HasAndroidResourceDeps resource : instrumentationResources) {
if (!originalResources.contains(resource)) {
allResources.add(resource);
}
}
return allResources.build();
}
@Override
public List<Step> getBuildSteps(BuildContext context, final BuildableContext buildableContext) {
ImmutableList.Builder<Step> steps = ImmutableList.builder();
final Path rDotJavaSrcFolder = getRDotJavaSrcFolder(buildTarget);
steps.add(new MakeCleanDirectoryStep(rDotJavaSrcFolder));
// Generate the .java files and record where they will be written in javaSourceFilePaths.
Set<SourcePath> javaSourceFilePaths = Sets.newHashSet();
if (androidResourceDeps.isEmpty()) {
// In this case, the user is likely running a Robolectric test that does not happen to
// depend on any resources. However, if Robolectric doesn't find an R.java file, it flips
// out, so we have to create one, anyway.
// TODO(mbolin): Stop hardcoding com.facebook. This should match the package in the
// associated TestAndroidManifest.xml file.
String rDotJavaPackage = "com.facebook";
String javaCode =
MergeAndroidResourcesStep.generateJavaCodeForPackageWithoutResources(rDotJavaPackage);
steps.add(new MakeCleanDirectoryStep(rDotJavaSrcFolder.resolve("com/facebook")));
Path rDotJavaFile = rDotJavaSrcFolder.resolve("com/facebook/R.java");
steps.add(new WriteFileStep(javaCode, rDotJavaFile));
javaSourceFilePaths.add(new PathSourcePath(rDotJavaFile));
} else {
Map<Path, String> symbolsFileToRDotJavaPackage = Maps.newHashMap();
for (HasAndroidResourceDeps res : androidResourceDeps) {
String rDotJavaPackage = res.getRDotJavaPackage();
symbolsFileToRDotJavaPackage.put(res.getPathToTextSymbolsFile(), rDotJavaPackage);
Path rDotJavaFilePath =
MergeAndroidResourcesStep.getOutputFilePath(rDotJavaSrcFolder, rDotJavaPackage);
javaSourceFilePaths.add(new PathSourcePath(rDotJavaFilePath));
}
steps.add(new MergeAndroidResourcesStep(symbolsFileToRDotJavaPackage, rDotJavaSrcFolder));
}
// Clear out the directory where the .class files will be generated.
final Path rDotJavaClassesFolder = getRDotJavaBinFolder();
steps.add(new MakeCleanDirectoryStep(rDotJavaClassesFolder));
Path pathToAbiOutputDir = getPathToAbiOutputDir(buildTarget);
steps.add(new MakeCleanDirectoryStep(pathToAbiOutputDir));
Path pathToAbiOutputFile = pathToAbiOutputDir.resolve("abi");
// Compile the .java files.
final JavacStep javacStep =
UberRDotJavaUtil.createJavacStepForDummyRDotJavaFiles(
javaSourceFilePaths,
rDotJavaClassesFolder,
Optional.of(pathToAbiOutputFile),
javacOptions,
buildTarget);
steps.add(javacStep);
steps.add(
new AbstractExecutionStep("record_abi_key") {
@Override
public int execute(ExecutionContext context) {
Sha1HashCode abiKey = javacStep.getAbiKey();
Preconditions.checkNotNull(
abiKey, "Javac step must create a non-null ABI key for this rule.");
buildableContext.addMetadata(METADATA_KEY_FOR_ABI_KEY, abiKey.getHash());
return 0;
}
});
buildableContext.recordArtifactsInDirectory(rDotJavaClassesFolder);
return steps.build();
}