Here you can find the source of formatTime(long value)
| Parameter | Description |
|---|---|
| value | A long value representing the number of nanoseconds since midnight. |
public static String formatTime(long value)
//package com.java2s; /*//w w w.j a v a2 s .c o m * Copyright (C) 2012-2015 DataStax Inc. * * 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. */ public class Main { /** * Format the given long value as a CQL time literal, using the following time pattern: {@code hh:mm:ss[.fffffffff]}. * * @param value A long value representing the number of nanoseconds since midnight. * @return The formatted value. * @see <a href="https://cassandra.apache.org/doc/cql3/CQL-2.2.html#usingtime">'Working with time' section of CQL specification</a> */ public static String formatTime(long value) { int nano = (int) (value % 1000000000); value -= nano; value /= 1000000000; int seconds = (int) (value % 60); value -= seconds; value /= 60; int minutes = (int) (value % 60); value -= minutes; value /= 60; int hours = (int) (value % 24); value -= hours; value /= 24; assert (value == 0); StringBuilder sb = new StringBuilder(); leftPadZeros(hours, 2, sb); sb.append(":"); leftPadZeros(minutes, 2, sb); sb.append(":"); leftPadZeros(seconds, 2, sb); sb.append("."); leftPadZeros(nano, 9, sb); return sb.toString(); } private static void leftPadZeros(int value, int digits, StringBuilder sb) { sb.append(String.format("%0" + digits + "d", value)); } }