1 /**
2 * This file Copyright (c) 2007-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.util;
35
36 import java.io.BufferedReader;
37 import java.io.File;
38 import java.io.FileNotFoundException;
39 import java.io.FileReader;
40 import java.io.IOException;
41 import java.util.ArrayList;
42 import java.util.Iterator;
43 import java.util.List;
44
45 /**
46 * Utility to check textFiles.
47 *
48 * @version $Id$
49 */
50 public class TextFileUtil {
51
52 public static List<String> getTrimmedLinesMatching(String fileName, String regExp) {
53 final List<String> lines = getLines(fileName);
54 final List<String> matchingLines = new ArrayList<String>();
55 String currentLine = null;
56 for (Iterator<String> iterator = lines.iterator(); iterator.hasNext();) {
57 currentLine = iterator.next().trim();
58 if (currentLine.matches(regExp)) {
59 matchingLines.add(currentLine);
60 }
61 }
62 return matchingLines;
63 }
64
65 public static List<String> getLines(String fileName) {
66 final List<String> names = new ArrayList<String>();
67 BufferedReader jaasConfig = null;
68 try {
69 final File file = new File(fileName);
70 if (!file.exists()) {
71 throw new FileNotFoundException(fileName);
72 }
73
74 jaasConfig = new BufferedReader(new FileReader(fileName));
75
76 String dataRow = jaasConfig.readLine();
77
78 while (dataRow != null) {
79 names.add(dataRow);
80 dataRow = jaasConfig.readLine();
81 }
82 } catch (IOException e) {
83 throw new RuntimeException(e);
84 } finally {
85 try {
86 if (jaasConfig != null) {
87 jaasConfig.close();
88 }
89 } catch (IOException e) {
90 throw new RuntimeException(e);
91 }
92 }
93 return names;
94 }
95 }