001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2014 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 */
022package org.granite.generator.util;
023
024import java.io.BufferedReader;
025import java.io.IOException;
026import java.io.StringReader;
027
028/**
029 * @author Franck WOLFF
030 */
031public abstract class SourceUtil {
032
033    public static String numberize(String source) {
034        
035        if (source == null)
036                return "(source code not available)";
037
038        StringBuilder sb = new StringBuilder(source.length());
039
040        try {
041            BufferedReader reader = new BufferedReader(new StringReader(source));
042            int i = 1;
043            String line = null;
044            while ((line = reader.readLine()) != null) {
045                sb.append(String.format("%4d | ", Integer.valueOf(i++)))
046                  .append(line)
047                  .append('\n');
048            }
049        } catch (IOException e) {
050            // never...
051        }
052
053        return sb.toString();
054    }
055}