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// Copyright 2014 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.bazel.repository;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.bazel.rules.workspace.HttpJarRule;
import com.google.devtools.build.lib.cmdline.PackageIdentifier.RepositoryName;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.skyframe.SkyFunctionException;
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;
/**
* Downloads a jar file from a URL.
*/
public class HttpJarFunction extends HttpArchiveFunction {
@Override
public SkyValue compute(SkyKey skyKey, Environment env) throws SkyFunctionException {
RepositoryName repositoryName = (RepositoryName) skyKey.argument();
Rule rule = RepositoryFunction.getRule(repositoryName, HttpJarRule.NAME, env);
if (rule == null) {
return null;
}
return compute(env, rule);
}
@Override
protected SkyKey decompressorValueKey(Rule rule, Path downloadPath, Path outputDirectory)
throws IOException {
return DecompressorValue.jarKey(
rule.getTargetKind(), rule.getName(), downloadPath, outputDirectory);
}
@Override
public SkyFunctionName getSkyFunctionName() {
return SkyFunctionName.create(HttpJarRule.NAME.toUpperCase());
}
@Override
public Class<? extends RuleDefinition> getRuleDefinition() {
return HttpJarRule.class;
}
}
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