package org.apache.maven.model.converter;

 /*

  * 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.model.Model;

 import org.apache.maven.model.v3_0_0.io.xpp3.MavenXpp3Reader;

 import org.apache.maven.model.io.xpp3.MavenXpp3Writer;

 import org.codehaus.plexus.util.IOUtil;

 import org.codehaus.plexus.util.StringUtils;

 import java.io.Reader;

 import java.io.StringReader;

 import java.io.StringWriter;

 import java.io.Writer;

 import java.util.List;

 /**

  * @author jdcasey

  * @plexus.component role="org.apache.maven.model.converter.ArtifactPomRewriter" role-hint="v3"

  */

 public class V3PomRewriter

     implements ArtifactPomRewriter

 {

     /**

      * @plexus.requirement

      */

     private ModelConverter translator;

     public void rewrite( Reader from, Writer to, boolean reportOnly, String groupId, String artifactId, String version,

                          String packaging )

         throws Exception

     {

         Model v4Model;

         if ( from != null )

         {

             MavenXpp3Reader v3Reader = new MavenXpp3Reader();

             StringWriter w = new StringWriter();

             IOUtil.copy( from, w );

             String content = StringUtils.replace( w.toString(), "${pom.currentVersion}", "${project.version}" );

             org.apache.maven.model.v3_0_0.Model v3Model = v3Reader.read( new StringReader( content ) );

             v4Model = translator.translate( v3Model );

         }

         else

         {

             v4Model = new Model();

         }

         if ( v4Model != null )

         {

             translator.validateV4Basics( v4Model, groupId, artifactId, version, packaging );

             if ( !reportOnly )

             {

                 MavenXpp3Writer v4Writer = new MavenXpp3Writer();

                 v4Writer.write( to, v4Model );

             }

         }

     }

     public List getWarnings()

     {

         return translator.getWarnings();

     }

 }