org.gradle.internal.composite.ChildBuildRegisteringSettingsLoader Maven / Gradle / Ivy

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/*
 * Copyright 2018 the original author or authors.
 *
 * 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 org.gradle.internal.composite;

import org.gradle.api.initialization.IncludedBuild;
import org.gradle.api.internal.BuildDefinition;
import org.gradle.api.internal.GradleInternal;
import org.gradle.api.internal.SettingsInternal;
import org.gradle.initialization.IncludedBuildSpec;
import org.gradle.initialization.SettingsLoader;
import org.gradle.internal.build.BuildStateRegistry;
import org.gradle.internal.build.CompositeBuildParticipantBuildState;
import org.gradle.internal.build.IncludedBuildState;
import org.gradle.internal.build.PublicBuildPath;
import org.gradle.internal.reflect.Instantiator;
import org.gradle.plugin.management.internal.PluginRequests;

import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

public class ChildBuildRegisteringSettingsLoader implements SettingsLoader {

    private final SettingsLoader delegate;
    private final BuildStateRegistry buildRegistry;
    private final PublicBuildPath publicBuildPath;
    private final Instantiator instantiator;

    public ChildBuildRegisteringSettingsLoader(SettingsLoader delegate, BuildStateRegistry buildRegistry, PublicBuildPath publicBuildPath, Instantiator instantiator) {
        this.delegate = delegate;
        this.buildRegistry = buildRegistry;
        this.publicBuildPath = publicBuildPath;
        this.instantiator = instantiator;
    }

    @Override
    public SettingsInternal findAndLoadSettings(GradleInternal gradle) {
        SettingsInternal settings = delegate.findAndLoadSettings(gradle);

        // Add included builds defined in settings
        List includedBuilds = settings.getIncludedBuilds();
        if (!includedBuilds.isEmpty()) {
            Set children = new LinkedHashSet<>(includedBuilds.size());
            for (IncludedBuildSpec includedBuildSpec : includedBuilds) {
                if (!includedBuildSpec.rootDir.equals(buildRegistry.getRootBuild().getBuildRootDir())) {
                    IncludedBuildState includedBuild = addIncludedBuild(includedBuildSpec, gradle);
                    children.add(includedBuild.getModel());
                } else {
                    buildRegistry.registerSubstitutionsForRootBuild();
                    children.add(new IncludedRootBuild((CompositeBuildParticipantBuildState) buildRegistry.getRootBuild()));
                }
            }

            // Set the visible included builds
            gradle.setIncludedBuilds(children);
        } else {
            gradle.setIncludedBuilds(Collections.emptyList());
        }

        return settings;
    }

    private IncludedBuildState addIncludedBuild(IncludedBuildSpec includedBuildSpec, GradleInternal gradle) {
        gradle.getOwner().assertCanAdd(includedBuildSpec);

        DefaultConfigurableIncludedBuild configurable = instantiator.newInstance(DefaultConfigurableIncludedBuild.class, includedBuildSpec.rootDir);
        includedBuildSpec.configurer.execute(configurable);

        BuildDefinition buildDefinition = BuildDefinition.fromStartParameterForBuild(
            gradle.getStartParameter(),
            configurable.getName(),
            includedBuildSpec.rootDir,
            PluginRequests.EMPTY,
            configurable.getDependencySubstitutionAction(),
            publicBuildPath
        );

        return buildRegistry.addIncludedBuild(buildDefinition);
    }
}