maven-core-3.5.4.jar is the JAR file for Apache Maven 3.5.4 Core module. Apache Maven is a software project management and comprehension tool.

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File: 2018-06-17 19:33        630101  lib\maven-core-3.5.4.jar
Download: Apache Maven Website

⏎ org/apache/maven/lifecycle/internal/DefaultLifecycleTaskSegmentCalculator.java

package org.apache.maven.lifecycle.internal;

/*
 * 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 org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.LifecycleNotFoundException;
import org.apache.maven.lifecycle.LifecyclePhaseNotFoundException;
import org.apache.maven.plugin.InvalidPluginDescriptorException;
import org.apache.maven.plugin.MojoNotFoundException;
import org.apache.maven.plugin.PluginDescriptorParsingException;
import org.apache.maven.plugin.PluginNotFoundException;
import org.apache.maven.plugin.PluginResolutionException;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
import org.apache.maven.plugin.version.PluginVersionResolutionException;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.util.StringUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * <p>
 * Calculates the task segments in the build
 * </p>
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *
 * @since 3.0
 * @author Benjamin Bentmann
 * @author Jason van Zyl
 * @author jdcasey
 * @author Kristian Rosenvold (extracted class)
 */
@Component( role = LifecycleTaskSegmentCalculator.class )
public class DefaultLifecycleTaskSegmentCalculator
    implements LifecycleTaskSegmentCalculator
{
    @Requirement
    private MojoDescriptorCreator mojoDescriptorCreator;

    @Requirement
    private LifecyclePluginResolver lifecyclePluginResolver;

    public DefaultLifecycleTaskSegmentCalculator()
    {
    }

    public List<TaskSegment> calculateTaskSegments( MavenSession session )
        throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
        MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
        PluginVersionResolutionException, LifecyclePhaseNotFoundException, LifecycleNotFoundException
    {

        MavenProject rootProject = session.getTopLevelProject();

        List<String> tasks = session.getGoals();

        if ( ( tasks == null || tasks.isEmpty() ) && !StringUtils.isEmpty( rootProject.getDefaultGoal() ) )
        {
            tasks = Arrays.asList( StringUtils.split( rootProject.getDefaultGoal() ) );
        }

        return calculateTaskSegments( session, tasks );
    }

    public List<TaskSegment> calculateTaskSegments( MavenSession session, List<String> tasks )
        throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
        MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
        PluginVersionResolutionException
    {
        List<TaskSegment> taskSegments = new ArrayList<>( tasks.size() );

        TaskSegment currentSegment = null;

        for ( String task : tasks )
        {
            if ( isGoalSpecification( task ) )
            {
                // "pluginPrefix:goal" or "groupId:artifactId[:version]:goal"

                lifecyclePluginResolver.resolveMissingPluginVersions( session.getTopLevelProject(), session );

                MojoDescriptor mojoDescriptor =
                    mojoDescriptorCreator.getMojoDescriptor( task, session, session.getTopLevelProject() );

                boolean aggregating = mojoDescriptor.isAggregator() || !mojoDescriptor.isProjectRequired();

                if ( currentSegment == null || currentSegment.isAggregating() != aggregating )
                {
                    currentSegment = new TaskSegment( aggregating );
                    taskSegments.add( currentSegment );
                }

                currentSegment.getTasks().add( new GoalTask( task ) );
            }
            else
            {
                // lifecycle phase

                if ( currentSegment == null || currentSegment.isAggregating() )
                {
                    currentSegment = new TaskSegment( false );
                    taskSegments.add( currentSegment );
                }

                currentSegment.getTasks().add( new LifecycleTask( task ) );
            }
        }

        return taskSegments;
    }

    public boolean requiresProject( MavenSession session )
    {
        List<String> goals = session.getGoals();
        if ( goals != null )
        {
            for ( String goal : goals )
            {
                if ( !isGoalSpecification( goal ) )
                {
                    return true;
                }
            }
        }
        return false;
    }


    private boolean isGoalSpecification( String task )
    {
        return task.indexOf( ':' ) >= 0;
    }

}

⏎ org/apache/maven/lifecycle/internal/DefaultLifecycleTaskSegmentCalculator.java

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