Mercurial > hg > release > thermostat-1.6
view client/cli/src/main/java/com/redhat/thermostat/client/cli/internal/SinceTimestampParser.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
children |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.client.cli.internal; import java.util.Arrays; import java.util.List; import java.util.concurrent.TimeUnit; public class SinceTimestampParser { private final List<String> acceptedTimeUnits = Arrays.asList(new String[]{"DAYS", "HOURS", "MINUTES", "SECONDS"}); private final String parseString; private final long defaultSinceTimestamp; private final long startTimestamp; public SinceTimestampParser(String parseString, long startTimestamp, long defaultSinceTimestamp) { this.parseString = parseString; this.startTimestamp = startTimestamp; this.defaultSinceTimestamp = defaultSinceTimestamp; } public long parse() throws InvalidSinceTimestampFormatException { long since; if (parseString != null) { since = parseString(); } else { since = defaultSinceTimestamp; } return since; } private long parseString() throws InvalidSinceTimestampFormatException { if (parseString.equals("all")) { return Long.MIN_VALUE; } else { return parseValueFromString(); } } private long parseValueFromString() throws InvalidSinceTimestampFormatException { try { String[] split = parseString.split(":"); if (split.length != 2) { throw new InvalidSinceTimestampFormatException("Invalid input"); } long timeValue = Long.valueOf(split[0]); String timeString = split[1]; TimeUnit timeUnit = getTimeUnitFromString(timeString); long value = timeUnit.toMillis(timeValue); if (!(value > 0)) { throw new InvalidSinceTimestampFormatException("Time input must be greater than 0"); } return startTimestamp - value; } catch (Exception e) { throw new InvalidSinceTimestampFormatException(e.getMessage()); } } private TimeUnit getTimeUnitFromString(String timeUnit) throws InvalidSinceTimestampFormatException { timeUnit = timeUnit.toUpperCase(); if (!acceptedTimeUnits.contains(timeUnit)) { throw new InvalidSinceTimestampFormatException("Invalid time unit. Accepted time units are: days, hours, minutes or seconds"); } return TimeUnit.valueOf(timeUnit); } public static class InvalidSinceTimestampFormatException extends Exception { InvalidSinceTimestampFormatException(String message) { super(message); } } }