package org.apache.maven.scm.provider.tfs.command.consumer;

 /*

  * 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.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 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;

 public class ChangedFileConsumer

     implements StreamConsumer

 {

     private ScmLogger logger;

     private static final String KEY_CHANGE = "Change";

     private static final String KEY_LOCAL_ITEM = "Local item";

     private static final String CHANGE_EDIT = "edit";

     private static final String CHANGE_ADD = "add";

     private Map<String,String> values = new HashMap<String,String>();

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

     public ChangedFileConsumer( ScmLogger logger )

     {

         this.logger = logger;

     }

     public void consumeLine( String line )

     {

         if ( line.indexOf( ':' ) >= 0 )

         {

             String[] s = line.split( ":", 2 );

             if ( s.length > 1 )

                 values.put( s[0].trim(), s[1].trim() );

         }

         if ( line.trim().equals( "" ) )

         {

             extractChangedFile();

         }

         logger.debug( "line -" + line );

     }

     private void extractChangedFile()

     {

         String change = getChange();

         if ( change != null )

         {

             ScmFileStatus stat = ScmFileStatus.UNKNOWN;

             if ( change.equals( ChangedFileConsumer.CHANGE_EDIT ) )

                 stat = ScmFileStatus.MODIFIED;

             if ( change.equals( ChangedFileConsumer.CHANGE_ADD ) )

                 stat = ScmFileStatus.ADDED;

             changedFiles.add( new ScmFile( getLocalPath(), stat ) );

             values.clear();

         }

     }

     public List<ScmFile> getChangedFiles()

     {

         if ( values.size() > 0 )

         {

             extractChangedFile();

         }

         return changedFiles;

     }

     private String getChange()

     {

         return (String) values.get( KEY_CHANGE );

     }

     private String getLocalPath()

     {

         String local = (String) values.get( KEY_LOCAL_ITEM );

         if ( local != null )

         {

             local = local.split( "]", 2 )[1].trim();

         }

         return local;

     }

 }