com.soebes.maven.extensions.incremental.IncrementalModuleBuilderImpl.java Source code

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Here is the source code for com.soebes.maven.extensions.incremental.IncrementalModuleBuilderImpl.java

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package com.soebes.maven.extensions.incremental;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.util.LinkedList;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.ExecutionException;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.lifecycle.internal.LifecycleModuleBuilder;
import org.apache.maven.lifecycle.internal.ReactorContext;
import org.apache.maven.lifecycle.internal.TaskSegment;
import org.apache.maven.project.MavenProject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Karl Heinz Marbaise <khmabaise@apache.org>
 */
class IncrementalModuleBuilderImpl {

    private final Logger logger = LoggerFactory.getLogger(getClass());

    private MavenSession mavenSession;

    private List<MavenProject> projects;

    private List<TaskSegment> taskSegments;

    private ReactorContext reactorContext;

    private final LifecycleModuleBuilder lifecycleModuleBuilder;

    IncrementalModuleBuilderImpl(List<MavenProject> selectedProjects, LifecycleModuleBuilder lifecycleModuleBuilder,
            MavenSession session, ReactorContext reactorContext, List<TaskSegment> taskSegments) {

        this.lifecycleModuleBuilder = Objects.requireNonNull(lifecycleModuleBuilder,
                "lifecycleModuleBuilder is not allowed to be null.");
        this.mavenSession = Objects.requireNonNull(session, "session is not allowed to be null.");
        this.taskSegments = Objects.requireNonNull(taskSegments, "taskSegements is not allowed to be null");
        this.reactorContext = Objects.requireNonNull(reactorContext, "reactorContext is not allowed to be null.");

        ProjectDependencyGraph projectDependencyGraph = session.getProjectDependencyGraph();

        List<MavenProject> intermediateResult = new LinkedList<>();

        for (MavenProject selectedProject : selectedProjects) {
            intermediateResult.add(selectedProject);
            // Up or downstream ? (-amd)
            intermediateResult.addAll(projectDependencyGraph.getDownstreamProjects(selectedProject, true));
            // TODO: Need to think about this? -am ?
            // intermediateResult.addAll(projectDependencyGraph.getUpstreamProjects(selectedProject,
            // true));
        }

        List<MavenProject> result = new LinkedList<>();

        for (MavenProject project : intermediateResult) {
            if (!result.contains(project)) {
                result.add(project);
            }
        }

        this.projects = result;

    }

    public void build() throws ExecutionException, InterruptedException {
        this.mavenSession.setProjects(this.projects);

        logger.info("New Calculated Reactor:");
        for (MavenProject mavenProject : this.mavenSession.getProjects()) {
            logger.info(" {}", mavenProject.getName());
        }

        for (TaskSegment taskSegment : this.taskSegments) {
            logger.debug("Segment");
            List<Object> tasks = taskSegment.getTasks();
            for (Object task : tasks) {
                logger.debug(" Task:" + task);
            }
            for (MavenProject mavenProject : mavenSession.getProjects()) {
                logger.info("Building project: {}", mavenProject.getId());
                lifecycleModuleBuilder.buildProject(mavenSession, reactorContext, mavenProject, taskSegment);
            }
        }
    }

}