package org.apache.maven.scm.provider.cvslib.command.tag;

 /*

  * 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.scm.ScmFile;

 import org.apache.maven.scm.ScmFileStatus;

 import org.apache.maven.scm.log.ScmLogger;

 import org.codehaus.plexus.util.cli.StreamConsumer;

 import org.codehaus.plexus.util.StringUtils;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @author Olivier Lamy

  * @version $Id: CvsTagConsumer.java 1054399 2011-01-02 13:19:52Z olamy $

  */

 public class CvsTagConsumer

     implements StreamConsumer

 {

     private ScmLogger logger;

     private List<ScmFile> files = new ArrayList<ScmFile>();

     public CvsTagConsumer( ScmLogger logger )

     {

         this.logger = logger;

     }

     /** {@inheritDoc} */

     public void consumeLine( String line )

     {

         if ( logger.isDebugEnabled() )

         {

             logger.debug( line );

         }

         if ( line.length() < 3 )

         {

             if ( StringUtils.isNotEmpty( line ) )

             {

                 if ( logger.isWarnEnabled() )

                 {

                     logger.warn( "Unable to parse output from command: line length must be bigger than 3. ("

                         + line + ")." );

                 }

             }

             return;

         }

         String status = line.substring( 0, 2 );

         String file = line.substring( 2 );

         if ( status.equals( "T " ) )

         {

             files.add( new ScmFile( file, ScmFileStatus.TAGGED ) );

         }

         else

         {

             if ( logger.isWarnEnabled() )

             {

                 logger.warn( "Unknown status: '" + status + "'." );

             }

         }

     }

     public List<ScmFile> getTaggedFiles()

     {

         return files;

     }

 }