org.gradle.tooling.internal.consumer.connection.BuildActionRunnerBackedConsumerConnection Maven / Gradle / Ivy

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/*
 * Copyright 2012 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.tooling.internal.consumer.connection;

import org.gradle.tooling.internal.adapter.ProtocolToModelAdapter;
import org.gradle.tooling.internal.consumer.parameters.ConsumerOperationParameters;
import org.gradle.tooling.internal.consumer.versioning.ModelMapping;
import org.gradle.tooling.internal.consumer.versioning.VersionDetails;
import org.gradle.tooling.internal.protocol.BuildActionRunner;
import org.gradle.tooling.internal.protocol.ConnectionVersion4;
import org.gradle.tooling.model.internal.Exceptions;

/**
 * An adapter for a {@link BuildActionRunner} based provider.
 *
 * Used for providers >= 1.2 and <= 1.6.
 */
public class BuildActionRunnerBackedConsumerConnection extends AbstractPost12ConsumerConnection {
    private final ModelProducer modelProducer;
    private final UnsupportedActionRunner actionRunner;

    public BuildActionRunnerBackedConsumerConnection(ConnectionVersion4 delegate, ModelMapping modelMapping, ProtocolToModelAdapter adapter) {
        super(delegate, VersionDetails.from(delegate.getMetaData().getVersion()));
        ModelProducer consumerConnectionBackedModelProducer = new BuildActionRunnerBackedModelProducer(adapter, getVersionDetails(), modelMapping,  (BuildActionRunner) delegate, this);
        ModelProducer producerWithGradleBuild = new GradleBuildAdapterProducer(adapter, consumerConnectionBackedModelProducer, this);
        modelProducer = new BuildInvocationsAdapterProducer(adapter, getVersionDetails(), producerWithGradleBuild);
        actionRunner = new UnsupportedActionRunner(getVersionDetails().getVersion());
    }

    @Override
    protected ActionRunner getActionRunner() {
        return actionRunner;
    }

    @Override
    protected ModelProducer getModelProducer() {
        return modelProducer;
    }

    private static class BuildActionRunnerBackedModelProducer implements ModelProducer {
        private final ProtocolToModelAdapter adapter;
        private final VersionDetails versionDetails;
        private final ModelMapping modelMapping;
        private final BuildActionRunner buildActionRunner;
        private final HasCompatibilityMapping mapperProvider;

        public BuildActionRunnerBackedModelProducer(ProtocolToModelAdapter adapter, VersionDetails versionDetails, ModelMapping modelMapping, BuildActionRunner buildActionRunner, HasCompatibilityMapping mapperProvider) {
            this.adapter = adapter;
            this.versionDetails = versionDetails;
            this.modelMapping = modelMapping;
            this.buildActionRunner = buildActionRunner;
            this.mapperProvider = mapperProvider;
        }

        public  T produceModel(Class type, ConsumerOperationParameters operationParameters) {
            if (!versionDetails.maySupportModel(type)) {
                //don't bother asking the provider for this model
                throw Exceptions.unsupportedModel(type, versionDetails.getVersion());

            }
            Class protocolType = modelMapping.getProtocolType(type);
            Object model = buildActionRunner.run(protocolType, operationParameters).getModel();

            return mapperProvider.applyCompatibilityMapping(adapter.builder(type), operationParameters).build(model);
        }
    }
}