com.android.build.gradle.internal.variant.VariantHelper.groovy Maven / Gradle / Ivy

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/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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.android.build.gradle.internal.variant

import com.android.annotations.NonNull
import com.google.common.collect.Sets
import org.gradle.api.Project
import org.gradle.api.artifacts.Configuration
import org.gradle.api.artifacts.maven.MavenDeployer
import org.gradle.api.plugins.MavenPlugin
import org.gradle.api.tasks.Upload

/**
 */
public class VariantHelper {

    public static void setupDefaultConfig(@NonNull Project project, @NonNull Configuration configuration) {
        // The library artifact is published (inter-project( for the "default" configuration so
        // we make sure "default" extends from the actual configuration used for building.
        Configuration defaultConfig = project.configurations["default"]
        defaultConfig.setExtendsFrom(Collections.singleton(configuration))

        // for the maven publication (for now), we need to manually include all the configuration
        // object in a special mapping.
        // It's not possible to put the top level config object as extended from config won't
        // be included.
        Set flattenedConfigs = flattenConfigurations(configuration)

        project.plugins.withType(MavenPlugin) {
            project.tasks.withType(Upload) { task ->
                task.repositories.withType(MavenDeployer) { repo ->
                    for (Configuration config : flattenedConfigs) {
                        repo.pom.scopeMappings.addMapping(300,
                                project.configurations[config.name],
                                "compile")
                    }
                }
            }
        }
    }

    /**
     * Build a set of configuration containing all the Configuration object that a given
     * configuration extends from, directly or transitively.
     *
     * @param configuration the configuration
     * @return a set of config.
     */
    private static Set flattenConfigurations(@NonNull Configuration configuration) {
        Set configs = Sets.newHashSet()
        configs.add(configuration)

        for (Configuration extend : configuration.getExtendsFrom()) {
            configs.addAll(flattenConfigurations(extend))
        }

        return configs
    }

}