| ValueMapperUtil.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.portal.upgrade.util;
21
22 import com.liferay.portal.kernel.util.FileUtil;
23
24 import java.io.BufferedWriter;
25 import java.io.FileWriter;
26
27 import java.util.Iterator;
28
29 /**
30 * <a href="ValueMapperUtil.java.html"><b><i>View Source</i></b></a>
31 *
32 * @author Brian Wing Shun Chan
33 *
34 */
35 public class ValueMapperUtil {
36
37 public static void persist(
38 ValueMapper valueMapper, String tmpDir, String fileName)
39 throws Exception {
40
41 FileUtil.mkdirs(tmpDir);
42
43 BufferedWriter bw = new BufferedWriter(
44 new FileWriter(tmpDir + "/" + fileName + ".txt"));
45
46 try {
47 Iterator<Object> itr = valueMapper.iterator();
48
49 while (itr.hasNext()) {
50 Object oldValue = itr.next();
51
52 Object newValue = valueMapper.getNewValue(oldValue);
53
54 bw.write(oldValue + "=" + newValue);
55
56 if (itr.hasNext()) {
57 bw.write("\n");
58 }
59 }
60 }
61 finally {
62 bw.close();
63 }
64 }
65
66 }