package org.apache.maven.plugin.coreit;

 /*

  * 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.artifact.manager.WagonManager;

 import org.apache.maven.plugin.AbstractMojo;

 import org.apache.maven.plugin.MojoExecutionException;

 import java.io.File;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.util.Properties;

 /**

  * Dumps the version info for a wagon provider to a properties file.

  * 

  * @goal dump-version

  * @phase validate

  * 

  * @author Benjamin Bentmann

  */

 public class DumpVersionMojo

     extends AbstractMojo

 {

     /**

      * Project base directory used for manual path alignment.

      * 

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

      * @readonly

      */

     private File basedir;

     /**

      * The Wagon manager used to lookup the wagon of interest.

      * 

      * @component

      */

     private WagonManager wagonManager;

     /**

      * The path to the properties file used to dump the auth infos.

      * 

      * @parameter expression="${wagon.propertiesFile}"

      */

     private File propertiesFile;

     /**

      * The role hint for the provider of interest.

      * 

      * @parameter expression="${wagon.providerHint}"

      */

     private String providerHint;

     /**

      * The group id for the provider of interest.

      * 

      * @parameter expression="${wagon.providerGroupId}"

      */

     private String providerGroupId;

     /**

      * The artifact id for the provider of interest.

      * 

      * @parameter expression="${wagon.providerArtifactId}"

      */

     private String providerArtifactId;

     /**

      * Runs this mojo.

      * 

      * @throws MojoExecutionException If the output file could not be created.

      */

     public void execute()

         throws MojoExecutionException

     {

         Properties wagonProperties = new Properties();

         Object wagon;

         try

         {

             wagon = wagonManager.getWagon( providerHint );

             String resource = "/META-INF/maven/" + providerGroupId + "/" + providerArtifactId + "/pom.properties";

             InputStream is = wagon.getClass().getResourceAsStream( resource );

             wagonProperties.load( is );

         }

         catch ( IOException e )

         {

             throw new MojoExecutionException( "Wagon properties could not be read: " + e.getMessage(), e );

         }

         catch ( Exception e )

         {

             getLog().info( "[MAVEN-CORE-IT-LOG] No wagon available for " + providerHint );

             wagonProperties.setProperty( "missing", "true" );

         }

         if ( !propertiesFile.isAbsolute() )

         {

             propertiesFile = new File( basedir, propertiesFile.getPath() );

         }

         getLog().info( "[MAVEN-CORE-IT-LOG] Creating output file " + propertiesFile );

         OutputStream out = null;

         try

         {

             propertiesFile.getParentFile().mkdirs();

             out = new FileOutputStream( propertiesFile );

             wagonProperties.store( out, "MAVEN-CORE-IT-LOG" );

         }

         catch ( IOException e )

         {

             throw new MojoExecutionException( "Output file could not be created: " + propertiesFile, e );

         }

         finally

         {

             if ( out != null )

             {

                 try

                 {

                     out.close();

                 }

                 catch ( IOException e )

                 {

                     // just ignore

                 }

             }

         }

         getLog().info( "[MAVEN-CORE-IT-LOG] Created output file " + propertiesFile );

     }

 }