package org.apache.maven.artifact.ant;

 /*

  * 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 java.io.File;

 import java.io.IOException;

 import java.io.Writer;

 import org.apache.maven.model.Model;

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

 import org.apache.tools.ant.BuildException;

 import org.apache.tools.ant.Task;

 import org.codehaus.plexus.util.IOUtil;

 import org.codehaus.plexus.util.WriterFactory;

 /**

  * Write a POM to a file.

  *

  * @since 2.1.0

  */

 public class WritePomTask

     extends Task

 {

     private String pomRefId;

     private File file;

     private boolean trim = true;

     public void execute()

     {

         // check valid configuration

         Pom pom = (Pom) getProject().getReference( pomRefId );

         Model model = pom.getModel();

         if ( trim )

         {

             trimModel ( model );

         }

         writeModel( model, file );

     }

     /**

      * Removes a lot of unnecessary information from the POM.

      * This includes the build section, reporting, repositories, etc.

      */

     public void trimModel( Model model )

     {

         model.setBuild( null );

         model.setReporting( null );

         model.setProperties( null );

         model.setRepositories( null );

         model.setPluginRepositories( null );

         model.setProfiles( null );

         model.setDistributionManagement( null );

         model.setModules( null );

     }

     /**

      * Write a POM model to a file

      *

      * @param model

      * @return

      * @throws MojoExecutionException

      */

     public void writeModel( Model model, File outputFile )

         throws BuildException

     {

         Writer fw = null;

         try

         {

             fw = WriterFactory.newXmlWriter( outputFile );

             new MavenXpp3Writer().write( fw, model );

         }

         catch ( IOException e )

         {

             throw new BuildException( "Error writing temporary pom file: " + e.getMessage(), e );

         }

         finally

         {

             IOUtil.close( fw );

         }

     }

     public void setPomRefId( String pomRefId )

     {

         this.pomRefId = pomRefId;

     }

     public String getPomRefId()

     {

         return pomRefId;

     }

     public void setFile( File file )

     {

         this.file = file;

     }

     public File getFile()

     {

         return file;

     }

     public void setTrim( boolean trim )

     {

         this.trim = trim;

     }

     public boolean isTrim()

     {

         return trim;

     }

 }