Skip to content
Snippets Groups Projects
ComparisonDataFactory.java 2.74 KiB
Newer Older
  • Learn to ignore specific revisions
  • tjc's avatar
    tjc committed
    /* ComparisonDataFactory.java
     *
     * created: Thu Jul 15 1999
     *
     * This file is part of Artemis
     * 
     * Copyright (C) 1999-2002  Genome Research Limited
     * 
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License
     * as published by the Free Software Foundation; either version 2
     * of the License, or (at your option) any later version.
     * 
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     * 
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
     *
     * $Header: //tmp/pathsoft/artemis/uk/ac/sanger/artemis/ComparisonDataFactory.java,v 1.1 2004-06-09 09:44:16 tjc Exp $
     */
    
    package uk.ac.sanger.artemis;
    
    import uk.ac.sanger.artemis.util.*;
    import uk.ac.sanger.artemis.util.LinePushBackReader;
    
    import java.io.*;
    
    /**
     *  This class contains the method readComparisonData (), which returns an
     *  appropriate ComparisonData object for a given Document.
     *
     *  @author Kim Rutherford
     *  @version $Id: ComparisonDataFactory.java,v 1.1 2004-06-09 09:44:16 tjc Exp $
     **/
    
    public class ComparisonDataFactory {
      /**
       *  This method creates an appropriate ComparisonData object from a Document.
       **/
      static public ComparisonData readComparisonData (Document data_document)
          throws IOException {
        
        final Reader in_file = data_document.getReader ();
    
        final LinePushBackReader pushback_reader =
          new LinePushBackReader (in_file);
    
        final String line = pushback_reader.readLine ();
    
        if (line == null) {
          throw new IOException ("End of file while reading from: " +
                                 data_document);
        }
    
        pushback_reader.pushBack (line);
    
        if (MSPcrunchComparisonData.formatCorrect (line)) {
          return new MSPcrunchComparisonData (pushback_reader);
        } else {
          if (SSAHAComparisonData.formatCorrect (line)) {
            return new SSAHAComparisonData (pushback_reader);
          } else {
            if (BlastM8ComparisonData.formatCorrect (line)) {
              return new BlastM8ComparisonData (pushback_reader);
            } else {
              if (MegaBlastComparisonData.formatCorrect (line)) {
                return new MegaBlastComparisonData (pushback_reader);
              } else {
    //      if (tokenizer.countTokens () < 8) {
    //        return new MUMmerComparisonData (pushback_reader);
    //      } else {
                throw new IOException ("cannot understand the comparison file format");
    //      }
              }
            }
          }
        }
      }
    }