@Override
public ImmutableSetMultimap<JavaLibraryRule, String> getTransitiveClasspathEntries() {
return Classpaths.getClasspathEntries(getDeps());
}
@Override
public <A extends Args> BuildRule createBuildRule(
TargetGraph targetGraph, BuildRuleParams params, BuildRuleResolver resolver, A args) {
SourcePathResolver pathResolver = new SourcePathResolver(resolver);
ImmutableMap<String, SourcePath> nativeLibraries =
JavaLibraryRules.getNativeLibraries(targetGraph, params.getDeps(), cxxPlatform);
BuildRuleParams binaryParams = params;
// If we're packaging native libraries, we'll build the binary JAR in a separate rule and
// package it into the final fat JAR, so adjust it's params to use a flavored target.
if (!nativeLibraries.isEmpty()) {
binaryParams =
params.copyWithChanges(
BuildTarget.builder(params.getBuildTarget())
.addFlavors(FAT_JAR_INNER_JAR_FLAVOR)
.build(),
params.getDeclaredDeps(),
params.getExtraDeps());
}
// Construct the build rule to build the binary JAR.
ImmutableSetMultimap<JavaLibrary, Path> transitiveClasspathEntries =
Classpaths.getClasspathEntries(binaryParams.getDeps());
BuildRule rule =
new JavaBinary(
binaryParams.appendExtraDeps(transitiveClasspathEntries.keys()),
pathResolver,
args.mainClass.orNull(),
args.manifestFile.orNull(),
args.mergeManifests.or(true),
args.metaInfDirectory.orNull(),
args.blacklist.or(ImmutableSortedSet.<String>of()),
new DefaultDirectoryTraverser(),
transitiveClasspathEntries,
javaBinOverride);
// If we're packaging native libraries, construct the rule to build the fat JAR, which packages
// up the original binary JAR and any required native libraries.
if (!nativeLibraries.isEmpty()) {
BuildRule innerJarRule = rule;
resolver.addToIndex(innerJarRule);
SourcePath innerJar = new BuildTargetSourcePath(innerJarRule.getBuildTarget());
rule =
new JarFattener(
params.appendExtraDeps(
Suppliers.<Iterable<BuildRule>>ofInstance(
pathResolver.filterBuildRuleInputs(
ImmutableList.<SourcePath>builder()
.add(innerJar)
.addAll(nativeLibraries.values())
.build()))),
pathResolver,
javacOptions,
innerJar,
nativeLibraries,
javaBinOverride);
}
return rule;
}
