| ValueMapperUtil.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.upgrade.util;
24
25 import com.liferay.portal.kernel.util.FileUtil;
26
27 import java.io.BufferedWriter;
28 import java.io.FileWriter;
29
30 import java.util.Iterator;
31
32 /**
33 * <a href="ValueMapperUtil.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Brian Wing Shun Chan
36 *
37 */
38 public class ValueMapperUtil {
39
40 public static void persist(
41 ValueMapper valueMapper, String tmpDir, String fileName)
42 throws Exception {
43
44 FileUtil.mkdirs(tmpDir);
45
46 BufferedWriter bw = new BufferedWriter(
47 new FileWriter(tmpDir + "/" + fileName + ".txt"));
48
49 try {
50 Iterator<Object> itr = valueMapper.iterator();
51
52 while (itr.hasNext()) {
53 Object oldValue = itr.next();
54
55 Object newValue = valueMapper.getNewValue(oldValue);
56
57 bw.write(oldValue + "=" + newValue);
58
59 if (itr.hasNext()) {
60 bw.write("\n");
61 }
62 }
63 }
64 finally {
65 bw.close();
66 }
67 }
68
69 }