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// Copyright 2015 Google Inc. 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.bazel.rules.android;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.bazel.repository.DecompressorValue;
import com.google.devtools.build.lib.bazel.repository.HttpDownloadFunction;
import com.google.devtools.build.lib.bazel.repository.HttpDownloadValue;
import com.google.devtools.build.lib.bazel.repository.RepositoryFunction;
import com.google.devtools.build.lib.bazel.rules.android.AndroidRepositoryRules.AndroidHttpToolsRepositoryRule;
import com.google.devtools.build.lib.cmdline.PackageIdentifier.RepositoryName;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.skyframe.FileValue;
import com.google.devtools.build.lib.skyframe.RepositoryValue;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.skyframe.SkyFunctionException;
import com.google.devtools.build.skyframe.SkyFunctionException.Transience;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.io.IOException;
/**
* Implementation of the {@code android_http_tools_repository} workspace rule.
*/
public class AndroidHttpToolsRepositoryFunction extends RepositoryFunction {
@Override
public SkyFunctionName getSkyFunctionName() {
return SkyFunctionName.create(
AndroidHttpToolsRepositoryRule.NAME.toUpperCase());
}
@Override
public Class<? extends RuleDefinition> getRuleDefinition() {
return AndroidHttpToolsRepositoryRule.class;
}
@Override
public SkyValue compute(SkyKey skyKey, Environment env) throws SkyFunctionException {
RepositoryName repositoryName = (RepositoryName) skyKey.argument();
Rule rule = RepositoryFunction.getRule(
repositoryName, AndroidHttpToolsRepositoryRule.NAME, env);
if (rule == null) {
return null;
}
Path outputDirectory = getExternalRepositoryDirectory().getRelative(rule.getName());
try {
FileSystemUtils.createDirectoryAndParents(outputDirectory);
} catch (IOException e1) {
throw new RepositoryFunctionException(e1, Transience.TRANSIENT);
}
FileValue directoryValue = getRepositoryDirectory(outputDirectory, env);
if (directoryValue == null) {
return null;
}
try {
HttpDownloadValue downloadValue = (HttpDownloadValue) env.getValueOrThrow(
HttpDownloadFunction.key(rule, outputDirectory), IOException.class);
if (downloadValue == null) {
return null;
}
DecompressorValue value = (DecompressorValue) env.getValueOrThrow(DecompressorValue.key(
rule.getTargetKind(), rule.getName(), downloadValue.getPath(), outputDirectory),
IOException.class);
if (value == null) {
return null;
}
} catch (IOException e) {
// Assumes all IO errors transient.
throw new RepositoryFunctionException(e, Transience.TRANSIENT);
}
return RepositoryValue.create(directoryValue);
}
}
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