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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.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Action;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionKeyContext;
import com.google.devtools.build.lib.actions.ActionOwner;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.actions.AbstractFileWriteAction;
import com.google.devtools.build.lib.analysis.actions.ByteStringDeterministicWriter;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.rules.android.deployinfo.AndroidDeployInfoOuterClass;
import com.google.devtools.build.lib.rules.android.deployinfo.AndroidDeployInfoOuterClass.AndroidDeployInfo;
import com.google.devtools.build.lib.util.Fingerprint;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import java.io.IOException;
import java.io.InputStream;
/**
* Writes AndroidDeployInfo proto message. This proto describes how
* to deploy and launch an android_binary/android_test.
*/
@Immutable
public final class AndroidDeployInfoAction extends AbstractFileWriteAction {
private static Iterable<Artifact> makeInputs(
Artifact mergedManifest,
Iterable<Artifact> additionalMergedManifests,
Iterable<Artifact> apksToDeploy) {
return ImmutableList.<Artifact>builder()
.add(mergedManifest)
.addAll(additionalMergedManifests)
.addAll(apksToDeploy)
.build();
}
private static final String GUID = "eda283ba-9000-4b80-8dc4-7939101c44ba";
private final Artifact mergedManifest;
private final ImmutableList<Artifact> additionalMergedManifests;
private final ImmutableList<Artifact> apksToDeploy;
AndroidDeployInfoAction(
ActionOwner owner,
Artifact outputFile,
Artifact mergedManifest,
ImmutableList<Artifact> additionalMergedManifests,
ImmutableList<Artifact> apksToDeploy) {
super(owner, makeInputs(mergedManifest, additionalMergedManifests, apksToDeploy),
outputFile, false);
this.mergedManifest = mergedManifest;
this.additionalMergedManifests = additionalMergedManifests;
this.apksToDeploy = apksToDeploy;
}
private ByteString getByteString() {
AndroidDeployInfoOuterClass.AndroidDeployInfo.Builder builder =
AndroidDeployInfoOuterClass.AndroidDeployInfo.newBuilder();
builder.setMergedManifest(makeArtifactProto(mergedManifest));
for (Artifact additionMergedManifest : additionalMergedManifests) {
builder.addAdditionalMergedManifests(makeArtifactProto(additionMergedManifest));
}
for (Artifact apk : apksToDeploy) {
builder.addApksToDeploy(makeArtifactProto(apk));
}
return builder.build().toByteString();
}
static void createDeployInfoAction(
RuleContext ruleContext,
Artifact deployInfo,
Artifact mergedManifest,
ImmutableList<Artifact> additionalMergedManifests,
ImmutableList<Artifact> apksToDeploy) {
Action action = new AndroidDeployInfoAction(ruleContext.getActionOwner(),
deployInfo, mergedManifest, additionalMergedManifests, apksToDeploy);
ruleContext.registerAction(action);
}
@Override
public DeterministicWriter newDeterministicWriter(ActionExecutionContext ctx) throws IOException {
return new ByteStringDeterministicWriter(getByteString());
}
@VisibleForTesting
public AndroidDeployInfo getDeployInfo() throws InvalidProtocolBufferException {
return AndroidDeployInfo.parseFrom(getByteString());
}
@Override
protected String computeKey(ActionKeyContext actionKeyContext) {
Fingerprint f = new Fingerprint()
.addString(GUID);
try (InputStream in = getByteString().newInput()) {
byte[] buffer = new byte[512];
int amountRead;
while ((amountRead = in.read(buffer)) != -1) {
f.addBytes(buffer, 0, amountRead);
}
} catch (IOException e) {
throw new RuntimeException(e);
}
return f.hexDigestAndReset();
}
private static AndroidDeployInfoOuterClass.Artifact makeArtifactProto(Artifact artifact) {
return AndroidDeployInfoOuterClass.Artifact.newBuilder()
.setExecRootPath(artifact.getExecPathString())
.build();
}
}
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