package org.apache.maven.scm.provider.accurev.cli;
   
   /*
    * 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.util.List;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.codehaus.plexus.util.cli.StreamConsumer;
  
  class FileConsumer
      implements StreamConsumer
  {
      private Pattern filePattern;
  
      public FileConsumer( List<File> matchedFilesAccumulator, Pattern filematcher )
      {
          this.matchedFiles = matchedFilesAccumulator;
          this.filePattern = filematcher;
      }
  
      public List<File> matchedFiles;
  
      // TODO make these an enum
      public static final Pattern ADD_PATTERN = Pattern.compile( "Added and kept element [/\\\\]\\.[/\\\\](\\S+)\\s*" );
  
      public static final Pattern UPDATE_PATTERN = Pattern
          .compile( "Updating element [/\\\\]\\.[/\\\\](\\S+)\\s*|Content.*of \"(.*)\".*" );
  
      public static final Pattern POPULATE_PATTERN = Pattern.compile( "Populating element [/\\\\]\\.[/\\\\](\\S+)\\s*" );
  
      public static final Pattern PROMOTE_PATTERN = Pattern.compile( "Promoted element [/\\\\]\\.[/\\\\](\\S+)\\s*" );
  
      public static final Pattern STAT_PATTERN = Pattern.compile( "[/\\\\]\\.[/\\\\](.*)" );
  
      /**
       * TODO - The removed files are relative to the workspace top, not the basedir of the fileset
       */
      public static final Pattern DEFUNCT_PATTERN = Pattern.compile( "Removing \"(\\S+)\".*" );
  
      public void consumeLine( String line )
      {
  
          Matcher m = filePattern.matcher( line );
          if ( m.matches() )
          {
  
              int i = 1;
              String fileName = null;
              while ( fileName == null && i <= m.groupCount() )
              {
                  fileName = m.group( i++ );
              }
  
              if ( fileName != null )
              {
                  matchedFiles.add( new File( fileName ) );
              }
          }
  
      }
  }