001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    
023    package org.granite.generator.util;
024    
025    import java.io.BufferedReader;
026    import java.io.IOException;
027    import java.io.StringReader;
028    
029    /**
030     * @author Franck WOLFF
031     */
032    public abstract class SourceUtil {
033    
034        public static String numberize(String source) {
035            
036            if (source == null)
037                    return "(source code not available)";
038    
039            StringBuilder sb = new StringBuilder(source.length());
040    
041            try {
042                BufferedReader reader = new BufferedReader(new StringReader(source));
043                int i = 1;
044                String line = null;
045                while ((line = reader.readLine()) != null) {
046                    sb.append(String.format("%4d | ", Integer.valueOf(i++)))
047                      .append(line)
048                      .append('\n');
049                }
050            } catch (IOException e) {
051                // never...
052            }
053    
054            return sb.toString();
055        }
056    }