// 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.devtools.build.lib.actions.Artifact; import com.google.devtools.build.lib.analysis.ConfiguredTarget; import com.google.devtools.build.lib.analysis.FileProvider; 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.analysis.TransitiveInfoCollection; 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.rules.RuleConfiguredTargetFactory; import java.util.regex.Pattern; /** * Implementation for the {@code android_tools_defaults_jar} rule. * *
This rule is a sad, sad way to let people depend on {@code android.jar} when an * {@code android_sdk} rule is used. In an ideal world, people would say "depend on * the android_jar output group of $config.android_sdk", but, alas, neither depending on labels in * the configuration nor depending on a specified output group works. * *
So all this needs to be implemented manually. This rule is injected into the defaults package
* from {@link AndroidConfiguration.Options#getDefaultsRules()}.
*/
public class AndroidToolsDefaultsJar implements RuleConfiguredTargetFactory {
private static final Pattern ANDROID_JAR_BASENAME_RX =
Pattern.compile("android[a-zA-Z0-9_]*\\.jar$");
@Override
public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
if (!ruleContext.getLabel().getPackageName().equals("tools/defaults")) {
// Guard against extraordinarily inquisitive individuals.
ruleContext.ruleError("The android_tools_defaults_jar rule should not be used in BUILD files."
+ " It is a rule internal to the build tool.");
return null;
}
TransitiveInfoCollection androidSdk = ruleContext.getPrerequisite(":android_sdk", Mode.TARGET);
AndroidSdkProvider sdkProvider = androidSdk.getProvider(AndroidSdkProvider.class);
Artifact androidJar = sdkProvider != null
? sdkProvider.getAndroidJar()
: findAndroidJar(androidSdk.getProvider(FileProvider.class).getFilesToBuild());
NestedSet