Here you can find the source of getDataFile(int tableId, Date day)
public static File getDataFile(int tableId, Date day)
//package com.java2s; /*//w ww . j av a 2s . c om * Copyright 2010 NCHOVY * * 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. */ import java.io.File; import java.text.SimpleDateFormat; import java.util.Date; public class Main { private static File logDir; public static File getDataFile(int tableId, Date day) { String dateText = getDayText(day); File tableDir = new File(logDir, Integer.toString(tableId)); File datafile = new File(tableDir, dateText + ".dat"); return datafile; } private static String getDayText(Date day) { SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); String dateText = dateFormat.format(day); return dateText; } }