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 }