package org.apache.maven.plugins.enforcer;

 /*

  * 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.commons.lang.SystemUtils;

 import org.apache.maven.execution.MavenSession;

 import org.apache.maven.execution.RuntimeInformation;

 import org.apache.maven.plugin.AbstractMojo;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.project.MavenProject;

 import org.apache.maven.project.path.PathTranslator;

 import org.codehaus.plexus.PlexusConstants;

 import org.codehaus.plexus.PlexusContainer;

 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;

 import org.codehaus.plexus.context.Context;

 import org.codehaus.plexus.context.ContextException;

 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;

 /**

  * This goal displays the current platform information.

  *

  * @goal display-info

  * @author <a href="mailto:brianf@apache.org">Brian Fox</a>

  * @version $Id: DisplayInfoMojo.java 1127643 2011-05-25 19:24:38Z krosenvold $

  * @threadSafe

  */

 public class DisplayInfoMojo

     extends AbstractMojo

     implements Contextualizable

 {

     /**

      * Path Translator needed by the ExpressionEvaluator

      *

      * @component role="org.apache.maven.project.path.PathTranslator"

      */

     protected PathTranslator translator;

     /**

      * The MavenSession

      *

      * @parameter default-value="${session}"

      * @readonly

      */

     protected MavenSession session;

     /**

      * POM

      *

      * @parameter default-value="${project}"

      * @readonly

      * @required

      */

     protected MavenProject project;

     // set by the contextualize method. Only way to get the

     // plugin's container in 2.0.x

     protected PlexusContainer container;

     public void contextualize ( Context context )

         throws ContextException

     {

         container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );

     }

     /**

      * Entry point to the mojo

      */

     public void execute ()

         throws MojoExecutionException

     {

         try

         {

             EnforcerExpressionEvaluator evaluator = new EnforcerExpressionEvaluator( session, translator, project );

             DefaultEnforcementRuleHelper helper = new DefaultEnforcementRuleHelper( session, evaluator, getLog(),

                                                                                     container );

             RuntimeInformation rti = (RuntimeInformation) helper.getComponent( RuntimeInformation.class );

             getLog().info( "Maven Version: " + rti.getApplicationVersion() );

             getLog().info( "JDK Version: " + SystemUtils.JAVA_VERSION + " normalized as: "

                                + RequireJavaVersion.normalizeJDKVersion( SystemUtils.JAVA_VERSION_TRIMMED ) );

             RequireOS os = new RequireOS();

             os.displayOSInfo( getLog(), true );

         }

         catch ( ComponentLookupException e )

         {

             getLog().warn( "Unable to Lookup component: " + e.getLocalizedMessage() );

         }

     }

 }