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 }