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.storm.st.wrapper; import org.apache.storm.st.utils.AssertUtil; import org.apache.commons.lang.StringUtils; import org.joda.time.DateTime; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import org.apache.storm.st.utils.StringDecorator; import java.util.Arrays; import java.util.List; public class LogData implements Comparable<LogData> { private final DateTime logDate; private final String data; private static final int dateLen = "2016-05-04 23:38:10.702".length(); //format of date in worker logs private static final DateTimeFormatter dateFormat = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss.SSS"); public LogData(String logLine) { DateTime tempDate; final String[] pair = StringDecorator.split2(StringUtils.strip(logLine)); final List<String> pairList = Arrays.asList(pair); AssertUtil.assertTwoElements(pairList); tempDate = dateFormat.parseDateTime(pairList.get(0).substring(0, dateLen)); this.logDate = tempDate; this.data = pairList.get(1); } @Override public String toString() { return "LogData{" + "logDate=" + dateFormat.print(logDate) + ", data='" + getData() + '\'' + '}'; } @Override public int compareTo(LogData that) { return this.logDate.compareTo(that.logDate); } public String getData() { return data; } public DateTime getLogDate() { return logDate; } }