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// Copyright 2015 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.rules.android;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.FilesToRunProvider;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.RunfilesProvider;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.packages.AggregatingAttributeMapper;
import com.google.devtools.build.lib.packages.RuleClass.ConfiguredTargetFactory.RuleErrorException;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.java.BaseJavaCompilationHelper;
import com.google.devtools.build.lib.rules.java.JavaConfiguration;
import com.google.devtools.build.lib.rules.java.JavaToolchainProvider;
import com.google.devtools.build.lib.syntax.Type;
import com.android.sdklib.repository.FullRevision;
import java.util.Collection;
/**
* Implementation of the {@code android_sdk} rule.
*/
public class AndroidSdk implements RuleConfiguredTargetFactory {
@Override
public ConfiguredTarget create(RuleContext ruleContext)
throws InterruptedException, RuleErrorException {
// If the user didn't specify --proguard_top, go with the proguard attribute in the android_sdk
// rule. Otherwise, use what she told us to.
FilesToRunProvider proguard =
ruleContext.getFragment(JavaConfiguration.class).getProguardBinary() == null
? ruleContext.getExecutablePrerequisite("proguard", Mode.HOST)
: ruleContext.getExecutablePrerequisite(":proguard", Mode.HOST);
String buildToolsVersion = AggregatingAttributeMapper.of(ruleContext.getRule())
.get("build_tools_version", Type.STRING);
FullRevision parsedBuildToolsVersion = null;
try {
parsedBuildToolsVersion =
Strings.isNullOrEmpty(buildToolsVersion)
? null
: FullRevision.parseRevision(buildToolsVersion);
} catch (NumberFormatException nfe) {
ruleContext.attributeError("build_tools_version", "Invalid version: " + buildToolsVersion);
}
boolean aaptSupportsMainDexGeneration =
parsedBuildToolsVersion == null
|| parsedBuildToolsVersion.compareTo(new FullRevision(24)) >= 0;
FilesToRunProvider aidl = ruleContext.getExecutablePrerequisite("aidl", Mode.HOST);
FilesToRunProvider aapt = ruleContext.getExecutablePrerequisite("aapt", Mode.HOST);
FilesToRunProvider apkBuilder = ruleContext.getExecutablePrerequisite(
"apkbuilder", Mode.HOST);
FilesToRunProvider adb = ruleContext.getExecutablePrerequisite("adb", Mode.HOST);
FilesToRunProvider dx = ruleContext.getExecutablePrerequisite("dx", Mode.HOST);
FilesToRunProvider mainDexListCreator = ruleContext.getExecutablePrerequisite(
"main_dex_list_creator", Mode.HOST);
FilesToRunProvider zipalign = ruleContext.getExecutablePrerequisite("zipalign", Mode.HOST);
FilesToRunProvider jack = ruleContext.getExecutablePrerequisite("jack", Mode.HOST);
FilesToRunProvider jill = ruleContext.getExecutablePrerequisite("jill", Mode.HOST);
FilesToRunProvider resourceExtractor =
ruleContext.getExecutablePrerequisite("resource_extractor", Mode.HOST);
Artifact frameworkAidl = ruleContext.getPrerequisiteArtifact("framework_aidl", Mode.HOST);
Artifact androidJar = ruleContext.getPrerequisiteArtifact("android_jar", Mode.HOST);
Artifact shrinkedAndroidJar =
ruleContext.getPrerequisiteArtifact("shrinked_android_jar", Mode.HOST);
// Because all Jack actions using this android_sdk will need Jack versions of the Android and
// Java classpaths, pre-translate the jars for Android and Java targets here. (They will only
// be run if needed, as usual for Bazel.)
NestedSet<Artifact> androidBaseClasspathForJack =
convertClasspathJarsToJack(
ruleContext, jack, jill, resourceExtractor, ImmutableList.of(androidJar));
NestedSet<Artifact> javaBaseClasspathForJack =
convertClasspathJarsToJack(
ruleContext,
jack,
jill,
resourceExtractor,
BaseJavaCompilationHelper.getBootClasspath(
ruleContext, JavaToolchainProvider.fromRuleContext(ruleContext), ""));
Artifact annotationsJar = ruleContext.getPrerequisiteArtifact("annotations_jar", Mode.HOST);
Artifact mainDexClasses = ruleContext.getPrerequisiteArtifact("main_dex_classes", Mode.HOST);
if (ruleContext.hasErrors()) {
return null;
}
return new RuleConfiguredTargetBuilder(ruleContext)
.add(
AndroidSdkProvider.class,
new AndroidSdkProvider(
buildToolsVersion,
aaptSupportsMainDexGeneration,
frameworkAidl,
androidJar,
shrinkedAndroidJar,
androidBaseClasspathForJack,
javaBaseClasspathForJack,
annotationsJar,
mainDexClasses,
adb,
dx,
mainDexListCreator,
aidl,
aapt,
apkBuilder,
proguard,
zipalign,
jack,
jill,
resourceExtractor))
.add(RunfilesProvider.class, RunfilesProvider.EMPTY)
.setFilesToBuild(NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER))
.build();
}
private NestedSet<Artifact> convertClasspathJarsToJack(
RuleContext ruleContext,
FilesToRunProvider jack,
FilesToRunProvider jill,
FilesToRunProvider resourceExtractor,
Collection<Artifact> jars) {
return new JackCompilationHelper.Builder()
// bazel infrastructure
.setRuleContext(ruleContext)
// configuration
.setTolerant()
// tools
.setJackBinary(jack)
.setJillBinary(jill)
.setResourceExtractorBinary(resourceExtractor)
.setJackBaseClasspath(NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER))
// sources
.addCompiledJars(jars)
.build()
.compileAsLibrary()
.getTransitiveJackClasspathLibraries();
}
}
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