001package org.apache.maven.plugins.enforcer;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.commons.lang.SystemUtils;
023import org.apache.maven.execution.MavenSession;
024import org.apache.maven.execution.RuntimeInformation;
025import org.apache.maven.plugin.AbstractMojo;
026import org.apache.maven.plugin.MojoExecutionException;
027import org.apache.maven.plugins.annotations.Component;
028import org.apache.maven.plugins.annotations.Mojo;
029import org.apache.maven.project.MavenProject;
030import org.apache.maven.project.path.PathTranslator;
031import org.codehaus.plexus.PlexusConstants;
032import org.codehaus.plexus.PlexusContainer;
033import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
034import org.codehaus.plexus.context.Context;
035import org.codehaus.plexus.context.ContextException;
036import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
037
038/**
039 * This goal displays the current platform information.
040 *
041 * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
042 * @version $Id: DisplayInfoMojo.java 1411846 2012-11-20 20:29:54Z hboutemy $
043 */
044@Mojo( name = "display-info", threadSafe = true )
045public class DisplayInfoMojo
046    extends AbstractMojo
047    implements Contextualizable
048{
049
050    /**
051     * Path Translator needed by the ExpressionEvaluator
052     */
053    @Component( role = PathTranslator.class )
054    protected PathTranslator translator;
055
056    /**
057     * The MavenSession
058     */
059    @Component
060    protected MavenSession session;
061
062    /**
063     * POM
064     */
065    @Component
066    protected MavenProject project;
067
068    // set by the contextualize method. Only way to get the
069    // plugin's container in 2.0.x
070    protected PlexusContainer container;
071
072    public void contextualize ( Context context )
073        throws ContextException
074    {
075        container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
076    }
077
078    /**
079     * Entry point to the mojo
080     */
081    public void execute ()
082        throws MojoExecutionException
083    {
084        try
085        {
086            EnforcerExpressionEvaluator evaluator = new EnforcerExpressionEvaluator( session, translator, project );
087            DefaultEnforcementRuleHelper helper = new DefaultEnforcementRuleHelper( session, evaluator, getLog(),
088                                                                                    container );
089            RuntimeInformation rti = (RuntimeInformation) helper.getComponent( RuntimeInformation.class );
090            getLog().info( "Maven Version: " + rti.getApplicationVersion() );
091            getLog().info( "JDK Version: " + SystemUtils.JAVA_VERSION + " normalized as: "
092                               + RequireJavaVersion.normalizeJDKVersion( SystemUtils.JAVA_VERSION_TRIMMED ) );
093            RequireOS os = new RequireOS();
094            os.displayOSInfo( getLog(), true );
095        }
096        catch ( ComponentLookupException e )
097        {
098            getLog().warn( "Unable to Lookup component: " + e.getLocalizedMessage() );
099        }
100    }
101
102}