001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2007-2010 ADEQUATE SYSTEMS SARL
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.generator.util;
022    
023    import java.io.BufferedReader;
024    import java.io.IOException;
025    import java.io.StringReader;
026    
027    /**
028     * @author Franck WOLFF
029     */
030    public abstract class SourceUtil {
031    
032        public static String numberize(String source) {
033            
034            if (source == null)
035                    return "(source code not available)";
036    
037            StringBuilder sb = new StringBuilder(source.length());
038    
039            try {
040                BufferedReader reader = new BufferedReader(new StringReader(source));
041                int i = 1;
042                String line = null;
043                while ((line = reader.readLine()) != null) {
044                    sb.append(String.format("%4d | ", Integer.valueOf(i++)))
045                      .append(line)
046                      .append('\n');
047                }
048            } catch (IOException e) {
049                // never...
050            }
051    
052            return sb.toString();
053        }
054    }