Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.hcatalog.hcatmix.publisher; import org.joda.time.Period; import org.joda.time.format.PeriodFormatter; import org.joda.time.format.PeriodFormatterBuilder; /** * Util class for formatting number/time duration etc */ public class HCatMixFormatter { protected PeriodFormatter formatter; public HCatMixFormatter() { formatter = new PeriodFormatterBuilder().appendHours().appendSuffix("h").appendMinutes().appendSuffix("m") .appendSecondsWithMillis().appendSuffix("s").toFormatter(); } public String formatDuration(Double duration) { if (duration == null) { return "-"; } Period period = new Period(Math.round(duration)); return formatter.print(period); } public String formatDuration(Long duration) { return formatDuration((double) duration); } public String formatDuration(Integer duration) { return formatDuration((double) duration); } public String formatCount(Integer count) { if (count == null) { return "0"; } return String.valueOf(count); } }