Java tutorial
/* * Copyright 2012 Brian R Lee * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package fakedatamaker.util; import java.io.File; import java.io.IOException; import java.util.List; import java.util.Random; import org.apache.commons.io.FileUtils; public class RandomFileUtil { /** * * @param filePath * @param encoding * @return */ public static String getRandomFileLine(String filePath, String encoding) { String result = null; try { File file = new File(filePath); List<String> cityLines = FileUtils.readLines(file, encoding); int numberOfCities = cityLines.size(); Random r = new Random(); int cityLineNum = r.nextInt(numberOfCities); result = cityLines.get(cityLineNum); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return result; } }