com.google.devtools.build.lib.rules.objc.ObjcBundleLibrary.java Source code

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Here is the source code for com.google.devtools.build.lib.rules.objc.ObjcBundleLibrary.java

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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.rules.objc;

import static com.google.devtools.build.lib.rules.objc.ObjcProvider.NESTED_BUNDLE;
import static com.google.devtools.build.lib.rules.objc.ObjcRuleClasses.BundlingRule.FAMILIES_ATTR;
import static com.google.devtools.build.lib.rules.objc.XcodeProductType.BUNDLE;

import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.apple.AppleConfiguration;
import com.google.devtools.build.lib.rules.apple.Platform.PlatformType;
import com.google.devtools.build.lib.rules.objc.BundleSupport.ExtraActoolArgs;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.ResourceAttributes;
import com.google.devtools.build.lib.rules.objc.TargetDeviceFamily.InvalidFamilyNameException;
import com.google.devtools.build.lib.rules.objc.TargetDeviceFamily.RepeatedFamilyNameException;
import com.google.devtools.build.lib.syntax.Type;

import java.util.List;

/**
 * Implementation for {@code objc_bundle_library}.
 */
public class ObjcBundleLibrary implements RuleConfiguredTargetFactory {

    @Override
    public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException, RuleErrorException {
        ObjcCommon common = common(ruleContext);
        Bundling bundling = bundling(ruleContext, common);

        XcodeProvider.Builder xcodeProviderBuilder = new XcodeProvider.Builder();
        NestedSetBuilder<Artifact> filesToBuild = NestedSetBuilder.stableOrder();

        new ResourceSupport(ruleContext).validateAttributes().addXcodeSettings(xcodeProviderBuilder);

        if (ruleContext.hasErrors()) {
            return null;
        }

        AppleConfiguration appleConfiguration = ruleContext.getFragment(AppleConfiguration.class);
        new BundleSupport(ruleContext, appleConfiguration,
                appleConfiguration.getMultiArchPlatform(PlatformType.IOS), bundling, new ExtraActoolArgs())
                        .registerActions(common.getObjcProvider()).validate(common.getObjcProvider())
                        .addXcodeSettings(xcodeProviderBuilder);

        if (ruleContext.hasErrors()) {
            return null;
        }

        new XcodeSupport(ruleContext).addFilesToBuild(filesToBuild)
                .addXcodeSettings(xcodeProviderBuilder, common.getObjcProvider(), BUNDLE)
                .addDependencies(xcodeProviderBuilder, new Attribute("bundles", Mode.TARGET))
                .registerActions(xcodeProviderBuilder.build());

        ObjcProvider nestedBundleProvider = new ObjcProvider.Builder().add(NESTED_BUNDLE, bundling).build();

        return ObjcRuleClasses.ruleConfiguredTarget(ruleContext, filesToBuild.build())
                .addProvider(XcodeProvider.class, xcodeProviderBuilder.build())
                .addProvider(ObjcProvider.class, nestedBundleProvider).build();
    }

    private Bundling bundling(RuleContext ruleContext, ObjcCommon common) {
        IntermediateArtifacts intermediateArtifacts = ObjcRuleClasses.intermediateArtifacts(ruleContext);
        AppleConfiguration appleConfiguration = ruleContext.getFragment(AppleConfiguration.class);

        ImmutableSet<TargetDeviceFamily> families = null;
        List<String> rawFamilies = ruleContext.attributes().get(FAMILIES_ATTR, Type.STRING_LIST);
        try {
            families = ImmutableSet.copyOf(TargetDeviceFamily.fromNamesInRule(rawFamilies));
        } catch (InvalidFamilyNameException | RepeatedFamilyNameException e) {
            families = ImmutableSet.of();
        }

        if (families.isEmpty()) {
            ruleContext.attributeError(FAMILIES_ATTR, ReleaseBundling.INVALID_FAMILIES_ERROR);
        }

        return new Bundling.Builder().setName(ruleContext.getLabel().getName())
                .setArchitecture(appleConfiguration.getIosCpu()).setBundleDirFormat("%s.bundle")
                .setObjcProvider(common.getObjcProvider()).addInfoplistInputFromRule(ruleContext)
                .setIntermediateArtifacts(intermediateArtifacts)
                .setMinimumOsVersion(appleConfiguration.getMinimumOsForPlatformType(PlatformType.IOS))
                .setTargetDeviceFamilies(families).build();
    }

    private ObjcCommon common(RuleContext ruleContext) {
        return new ObjcCommon.Builder(ruleContext).setResourceAttributes(new ResourceAttributes(ruleContext))
                .addDepObjcProviders(ruleContext.getPrerequisites("bundles", Mode.TARGET, ObjcProvider.class))
                .setIntermediateArtifacts(ObjcRuleClasses.intermediateArtifacts(ruleContext)).build();
    }
}