maven-embedder-3.5.4.jar - Maven Embedder Module

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

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File: 2018-06-17 19:34         98372  lib\maven-embedder-3.5.4.jar
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org/apache/maven/cli/event/ExecutionEventLogger.java

package org.apache.maven.cli.event;

/*
 * 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 static org.apache.maven.cli.CLIReportingUtils.formatDuration;
import static org.apache.maven.cli.CLIReportingUtils.formatTimestamp;
import static org.apache.maven.shared.utils.logging.MessageUtils.buffer;

import java.util.List;

import org.apache.commons.lang3.Validate;
import org.apache.maven.execution.AbstractExecutionListener;
import org.apache.maven.execution.BuildFailure;
import org.apache.maven.execution.BuildSuccess;
import org.apache.maven.execution.BuildSummary;
import org.apache.maven.execution.ExecutionEvent;
import org.apache.maven.execution.MavenExecutionResult;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.project.MavenProject;
import org.apache.maven.shared.utils.logging.MessageBuilder;
import org.codehaus.plexus.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Logs execution events to logger, eventually user-supplied.
 *
 * @author Benjamin Bentmann
 */
public class ExecutionEventLogger
    extends AbstractExecutionListener
{
    private final Logger logger;

    private static final int LINE_LENGTH = 72;
    private static final int MAX_PADDED_BUILD_TIME_DURATION_LENGTH = 9;
    private static final int MAX_PROJECT_NAME_LENGTH = 52;

    private int totalProjects;
    private volatile int currentVisitedProjectCount;

    public ExecutionEventLogger()
    {
        logger = LoggerFactory.getLogger( ExecutionEventLogger.class );
    }

    // TODO should we deprecate?
    public ExecutionEventLogger( Logger logger )
    {
        this.logger = Validate.notNull( logger, "logger cannot be null" );
    }

    private static String chars( char c, int count )
    {
        StringBuilder buffer = new StringBuilder( count );

        for ( int i = count; i > 0; i-- )
        {
            buffer.append( c );
        }

        return buffer.toString();
    }

    private void infoLine( char c )
    {
        infoMain( chars( c, LINE_LENGTH ) );
    }

    private void infoMain( String msg )
    {
        logger.info( buffer().strong( msg ).toString() );
    }

    @Override
    public void projectDiscoveryStarted( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            logger.info( "Scanning for projects..." );
        }
    }

    @Override
    public void sessionStarted( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() && event.getSession().getProjects().size() > 1 )
        {
            infoLine( '-' );

            infoMain( "Reactor Build Order:" );

            logger.info( "" );

            final List<MavenProject> projects = event.getSession().getProjects();
            for ( MavenProject project : projects )
            {
                int len = LINE_LENGTH - project.getName().length() - project.getPackaging().length() - 2;
                logger.info( project.getName() + chars( ' ', ( len > 0 ) ? len : 1 ) + '[' + project.getPackaging()
                    + ']' );
            }

            totalProjects = projects.size();
        }
    }

    @Override
    public void sessionEnded( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            if ( event.getSession().getProjects().size() > 1 )
            {
                logReactorSummary( event.getSession() );
            }

            logResult( event.getSession() );

            logStats( event.getSession() );

            infoLine( '-' );
        }
    }

    private void logReactorSummary( MavenSession session )
    {
        infoLine( '-' );

        infoMain( "Reactor Summary:" );

        logger.info( "" );

        MavenExecutionResult result = session.getResult();

        List<MavenProject> projects = session.getProjects();
        MavenProject lastProject = projects.get( projects.size() - 1 );
        MavenProject topProject = session.getTopLevelProject();

        for ( MavenProject project : projects )
        {
            StringBuilder buffer = new StringBuilder( 128 );

            buffer.append( project.getName() );
            buffer.append( ' ' );

            if ( topProject.equals( project ) || lastProject.equals( project )
                || !topProject.getVersion().equals( project.getVersion() ) )
            {
                buffer.append( project.getVersion() );
                buffer.append( ' ' );
            }

            if ( buffer.length() <= MAX_PROJECT_NAME_LENGTH )
            {
                while ( buffer.length() < MAX_PROJECT_NAME_LENGTH )
                {
                    buffer.append( '.' );
                }
                buffer.append( ' ' );
            }

            BuildSummary buildSummary = result.getBuildSummary( project );

            if ( buildSummary == null )
            {
                buffer.append( buffer().warning( "SKIPPED" ) );
            }
            else if ( buildSummary instanceof BuildSuccess )
            {
                buffer.append( buffer().success( "SUCCESS" ) );
                buffer.append( " [" );
                String buildTimeDuration = formatDuration( buildSummary.getTime() );
                int padSize = MAX_PADDED_BUILD_TIME_DURATION_LENGTH - buildTimeDuration.length();
                if ( padSize > 0 )
                {
                    buffer.append( chars( ' ', padSize ) );
                }
                buffer.append( buildTimeDuration );
                buffer.append( ']' );
            }
            else if ( buildSummary instanceof BuildFailure )
            {
                buffer.append( buffer().failure( "FAILURE" ) );
                buffer.append( " [" );
                String buildTimeDuration = formatDuration( buildSummary.getTime() );
                int padSize = MAX_PADDED_BUILD_TIME_DURATION_LENGTH - buildTimeDuration.length();
                if ( padSize > 0 )
                {
                    buffer.append( chars( ' ', padSize ) );
                }
                buffer.append( buildTimeDuration );
                buffer.append( ']' );
            }

            logger.info( buffer.toString() );
        }
    }

    private void logResult( MavenSession session )
    {
        infoLine( '-' );
        MessageBuilder buffer = buffer();

        if ( session.getResult().hasExceptions() )
        {
            buffer.failure( "BUILD FAILURE" );
        }
        else
        {
            buffer.success( "BUILD SUCCESS" );
        }
        logger.info( buffer.toString() );
    }

    private void logStats( MavenSession session )
    {
        infoLine( '-' );

        long finish = System.currentTimeMillis();

        long time = finish - session.getRequest().getStartTime().getTime();

        String wallClock = session.getRequest().getDegreeOfConcurrency() > 1 ? " (Wall Clock)" : "";

        logger.info( "Total time: " + formatDuration( time ) + wallClock );

        logger.info( "Finished at: " + formatTimestamp( finish ) );
    }

    @Override
    public void projectSkipped( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            logger.info( "" );
            infoLine( '-' );

            infoMain( "Skipping " + event.getProject().getName() );
            logger.info( "This project has been banned from the build due to previous failures." );

            infoLine( '-' );
        }
    }

    @Override
    public void projectStarted( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            MavenProject project = event.getProject();

            logger.info( "" );

            // -------< groupId:artifactId >-------
            String projectKey = project.getGroupId() + ':' + project.getArtifactId();
            
            final String preHeader  = "--< ";
            final String postHeader = " >--";

            final int headerLen = preHeader.length() + projectKey.length() + postHeader.length();

            String prefix = chars( '-', Math.max( 0, ( LINE_LENGTH - headerLen ) / 2 ) ) + preHeader;

            String suffix = postHeader
                + chars( '-', Math.max( 0, LINE_LENGTH - headerLen - prefix.length() + preHeader.length() ) );

            logger.info( buffer().strong( prefix ).project( projectKey ).strong( suffix ).toString() );

            // Building Project Name Version    [i/n]
            String building = "Building " + event.getProject().getName() + " " + event.getProject().getVersion();

            if ( totalProjects <= 1 )
            {
                infoMain( building );
            }
            else
            {
                // display progress [i/n]
                int number;
                synchronized ( this )
                {
                    number = ++currentVisitedProjectCount;
                }
                String progress = " [" + number + '/' + totalProjects + ']';

                int pad = LINE_LENGTH - building.length() - progress.length();

                infoMain( building + ( ( pad > 0 ) ? chars( ' ', pad ) : "" ) + progress );
            }

            // ----------[ packaging ]----------
            prefix = chars( '-', Math.max( 0, ( LINE_LENGTH - project.getPackaging().length() - 4 ) / 2 ) );
            suffix = chars( '-', Math.max( 0, LINE_LENGTH - project.getPackaging().length() - 4 - prefix.length() ) );
            infoMain( prefix + "[ " + project.getPackaging() + " ]" + suffix );
        }
    }

    @Override
    public void mojoSkipped( ExecutionEvent event )
    {
        if ( logger.isWarnEnabled() )
        {
            logger.warn( "Goal " + event.getMojoExecution().getGoal()
                + " requires online mode for execution but Maven is currently offline, skipping" );
        }
    }

    /**
     * <pre>--- mojo-artifactId:version:goal (mojo-executionId) @ project-artifactId ---</pre>
     */
    @Override
    public void mojoStarted( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            logger.info( "" );

            MessageBuilder buffer = buffer().strong( "--- " );
            append( buffer, event.getMojoExecution() );
            append( buffer, event.getProject() );
            buffer.strong( " ---" );

            logger.info( buffer.toString() );
        }
    }

    // CHECKSTYLE_OFF: LineLength
    /**
     * <pre>&gt;&gt;&gt; mojo-artifactId:version:goal (mojo-executionId) &gt; :forked-goal @ project-artifactId &gt;&gt;&gt;</pre>
     * <pre>&gt;&gt;&gt; mojo-artifactId:version:goal (mojo-executionId) &gt; [lifecycle]phase @ project-artifactId &gt;&gt;&gt;</pre>
     */
    // CHECKSTYLE_ON: LineLength
    @Override
    public void forkStarted( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            logger.info( "" );

            MessageBuilder buffer = buffer().strong( ">>> " );
            append( buffer, event.getMojoExecution() );
            buffer.strong( " > " );
            appendForkInfo( buffer, event.getMojoExecution().getMojoDescriptor() );
            append( buffer, event.getProject() );
            buffer.strong( " >>>" );

            logger.info( buffer.toString() );
        }
    }

    // CHECKSTYLE_OFF: LineLength
    /**
     * <pre>&lt;&lt;&lt; mojo-artifactId:version:goal (mojo-executionId) &lt; :forked-goal @ project-artifactId &lt;&lt;&lt;</pre>
     * <pre>&lt;&lt;&lt; mojo-artifactId:version:goal (mojo-executionId) &lt; [lifecycle]phase @ project-artifactId &lt;&lt;&lt;</pre>
     */
    // CHECKSTYLE_ON: LineLength
    @Override
    public void forkSucceeded( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() )
        {
            logger.info( "" );

            MessageBuilder buffer = buffer().strong( "<<< " );
            append( buffer, event.getMojoExecution() );
            buffer.strong( " < " );
            appendForkInfo( buffer, event.getMojoExecution().getMojoDescriptor() );
            append( buffer, event.getProject() );
            buffer.strong( " <<<" );

            logger.info( buffer.toString() );

            logger.info( "" );
        }
    }

    private void append( MessageBuilder buffer, MojoExecution me )
    {
        buffer.mojo( me.getArtifactId() + ':' + me.getVersion() + ':' + me.getGoal() );
        if ( me.getExecutionId() != null )
        {
            buffer.a( ' ' ).strong( '(' + me.getExecutionId() + ')' );
        }
    }

    private void appendForkInfo( MessageBuilder buffer, MojoDescriptor md )
    {
        StringBuilder buff = new StringBuilder();
        if ( StringUtils.isNotEmpty( md.getExecutePhase() ) )
        {
            // forked phase
            if ( StringUtils.isNotEmpty( md.getExecuteLifecycle() ) )
            {
                buff.append( '[' );
                buff.append( md.getExecuteLifecycle() );
                buff.append( ']' );
            }
            buff.append( md.getExecutePhase() );
        }
        else
        {
            // forked goal
            buff.append( ':' );
            buff.append( md.getExecuteGoal() );
        }
        buffer.strong( buff.toString() );
    }

    private void append( MessageBuilder buffer, MavenProject project )
    {
        buffer.a( " @ " ).project( project.getArtifactId() );
    }

    @Override
    public void forkedProjectStarted( ExecutionEvent event )
    {
        if ( logger.isInfoEnabled() && event.getMojoExecution().getForkedExecutions().size() > 1 )
        {
            logger.info( "" );
            infoLine( '>' );

            infoMain( "Forking " + event.getProject().getName() + " " + event.getProject().getVersion() );

            infoLine( '>' );
        }
    }
}

org/apache/maven/cli/event/ExecutionEventLogger.java

 

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