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// Copyright 2016 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.actions.ParamFileInfo;
import com.google.devtools.build.lib.actions.ParameterFile.ParameterFileType;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.actions.CustomCommandLine.Builder;
import com.google.devtools.build.lib.analysis.actions.CustomCommandLine.VectorArg;
import com.google.devtools.build.lib.analysis.actions.SpawnAction;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.rules.android.AndroidConfiguration.AndroidAaptVersion;
import com.google.devtools.build.lib.rules.android.AndroidDataConverter.JoinerType;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Function;
/** Builds up the spawn action for $android_rclass_generator. */
public class RClassGeneratorActionBuilder {
private final RuleContext ruleContext;
private ResourceDependencies dependencies;
private Artifact classJarOut;
private AndroidAaptVersion version;
/** @param ruleContext The RuleContext that is used to create a SpawnAction.Builder. */
public RClassGeneratorActionBuilder(RuleContext ruleContext) {
this.ruleContext = ruleContext;
}
public RClassGeneratorActionBuilder withDependencies(ResourceDependencies resourceDeps) {
this.dependencies = resourceDeps;
return this;
}
public RClassGeneratorActionBuilder targetAaptVersion(AndroidAaptVersion version) {
this.version = version;
return this;
}
public RClassGeneratorActionBuilder setClassJarOut(Artifact classJarOut) {
this.classJarOut = classJarOut;
return this;
}
public ResourceContainer build(ResourceContainer primary) {
build(primary.getRTxt(), ProcessedAndroidManifest.from(primary));
return primary.toBuilder().setJavaClassJar(classJarOut).build();
}
public ResourceApk build(ProcessedAndroidData data) {
build(data.getRTxt(), data.getManifest());
return data.withValidatedResources(classJarOut);
}
private void build(Artifact rTxt, ProcessedAndroidManifest manifest) {
Builder builder = new Builder();
// Set the busybox tool.
builder.add("--tool").add("GENERATE_BINARY_R").add("--");
NestedSetBuilder<Artifact> inputs = NestedSetBuilder.naiveLinkOrder();
inputs.addAll(
ruleContext
.getExecutablePrerequisite("$android_resources_busybox", Mode.HOST)
.getRunfilesSupport()
.getRunfilesArtifacts());
List<Artifact> outs = new ArrayList<>();
builder.addExecPath("--primaryRTxt", rTxt);
inputs.add(rTxt);
builder.addExecPath("--primaryManifest", manifest.getManifest());
inputs.add(manifest.getManifest());
if (!Strings.isNullOrEmpty(manifest.getPackage())) {
builder.add("--packageForR", manifest.getPackage());
}
if (dependencies != null) {
if (!dependencies.getResourceContainers().isEmpty()) {
builder.addAll(
VectorArg.addBefore("--library")
.each(dependencies.getResourceContainers())
.mapped(
AndroidDataConverter.<ValidatedAndroidData>builder(JoinerType.COLON_COMMA)
.with(chooseDepsToArg(version))
.build()));
if (version == AndroidAaptVersion.AAPT2) {
inputs.addTransitive(dependencies.getTransitiveAapt2RTxt());
} else {
inputs.addTransitive(dependencies.getTransitiveRTxt());
}
inputs.addTransitive(dependencies.getTransitiveManifests());
}
}
builder.addExecPath("--classJarOutput", classJarOut);
outs.add(classJarOut);
builder.addLabel("--targetLabel", ruleContext.getLabel());
// Create the spawn action.
SpawnAction.Builder spawnActionBuilder = new SpawnAction.Builder();
ruleContext.registerAction(
spawnActionBuilder
.useDefaultShellEnvironment()
.addTransitiveInputs(inputs.build())
.addOutputs(ImmutableList.<Artifact>copyOf(outs))
.addCommandLine(
builder.build(), ParamFileInfo.builder(ParameterFileType.SHELL_QUOTED).build())
.setExecutable(
ruleContext.getExecutablePrerequisite("$android_resources_busybox", Mode.HOST))
.setProgressMessage("Generating R Classes: %s", ruleContext.getLabel())
.setMnemonic("RClassGenerator")
.build(ruleContext));
}
private static Function<ValidatedAndroidData, String> chooseDepsToArg(
final AndroidAaptVersion version) {
return container -> {
Artifact rTxt =
version == AndroidAaptVersion.AAPT2 ? container.getAapt2RTxt() : container.getRTxt();
return (rTxt != null ? rTxt.getExecPath() : "")
+ ","
+ (container.getManifest() != null ? container.getManifest().getExecPath() : "");
};
}
}
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