package org.apache.maven.scm.provider.perforce.command.add;
   
   /*
    * 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.List;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.apache.maven.scm.ScmFile;
  import org.apache.maven.scm.ScmFileStatus;
  import org.codehaus.plexus.util.cli.StreamConsumer;
  
  /**
   * @author Mike Perham
   */
  public class PerforceAddConsumer
      implements StreamConsumer
  {
  
      private static final Pattern PATTERN = Pattern.compile( "^([^#]+)#(\\d+) - (.*)" );
  
      private static final String FILE_BEGIN_TOKEN = "//";
  
      private List<ScmFile> additions = new ArrayList<ScmFile>();
  
      public List<ScmFile> getAdditions()
      {
          return additions;
      }
  
      /** {@inheritDoc} */
      public void consumeLine( String line )
      {
          if ( line.startsWith( "... " ) )
          {
              //TODO log this somehow?
              //System.out.println("Perforce: " + line);
              return;
          }
  
          if ( !line.startsWith( FILE_BEGIN_TOKEN ) )
          {
              throw new IllegalStateException( "Unknown error: " + line );
          }
  
          Matcher matcher = PATTERN.matcher( line );
          if ( !matcher.find() )
          {
              throw new IllegalStateException( "Unknown input: " + line );
          }
  
          additions.add( new ScmFile( matcher.group( 1 ), ScmFileStatus.ADDED ) );
      }
  }