1 /*
2 * StringIterator
3 * Copyright (C) 2008 Christian Schenk
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
18 */
19 package org.christianschenk.stringutils;
20
21 import java.io.FileInputStream;
22 import java.io.InputStream;
23 import java.util.Scanner;
24
25 /**
26 * Some file utils.
27 *
28 * @author Christian Schenk
29 */
30 public class FileHelper {
31
32 /**
33 * Reads a file into a string.
34 */
35 public static String readFile(final String filename) {
36 final StringBuilder buf = new StringBuilder();
37 try {
38 final InputStream input = (filename.startsWith("/")) ? new FileInputStream(filename) : FileHelper.class.getClassLoader().getResourceAsStream(filename);
39 final Scanner scan = new Scanner(input);
40 while (scan.hasNextLine()) {
41 buf.append(scan.nextLine() + System.getProperty("line.separator"));
42 }
43 } catch (final Exception ex) {
44 throw new RuntimeException(ex);
45 }
46 return buf.toString();
47 }
48 }