de.topobyte.osm4j.extra.extracts.TimeTable.java Source code

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Here is the source code for de.topobyte.osm4j.extra.extracts.TimeTable.java

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// Copyright 2015 Sebastian Kuerten
//
// This file is part of osm4j.
//
// osm4j is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// osm4j 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with osm4j. If not, see <http://www.gnu.org/licenses/>.

package de.topobyte.osm4j.extra.extracts;

import java.util.HashMap;
import java.util.Map;

import org.joda.time.Duration;
import org.joda.time.Period;
import org.joda.time.format.PeriodFormatter;
import org.joda.time.format.PeriodFormatterBuilder;

public class TimeTable {

    private Map<String, Long> starts = new HashMap<>();
    private Map<String, Long> stops = new HashMap<>();

    public void start(String key) {
        starts.put(key, System.currentTimeMillis());
    }

    public void stop(String key) {
        stops.put(key, System.currentTimeMillis());
    }

    public long time(String key) {
        if (!starts.containsKey(key)) {
            return 0;
        }
        long stop;
        if (stops.containsKey(key)) {
            stop = stops.get(key);
        } else {
            stop = System.currentTimeMillis();
        }
        return stop - starts.get(key);
    }

    private PeriodFormatter formatter = new PeriodFormatterBuilder().appendHours().appendSuffix("h")
            .appendSeparator(" ").appendMinutes().appendSuffix("m").appendSeparator(" ").printZeroAlways()
            .appendSeconds().appendSuffix("s").toFormatter();

    public String htime(String key) {
        long millis = time(key);
        Duration duration = new Duration(millis);
        Period period = duration.toPeriod();

        return formatter.print(period);
    }

}