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
023package org.granite.generator.util;
024
025import java.io.BufferedReader;
026import java.io.IOException;
027import java.io.StringReader;
028
029/**
030 * @author Franck WOLFF
031 */
032public 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}