io.confluent.connect.hdfs.partitioner.TimeUtils.java Source code

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Here is the source code for io.confluent.connect.hdfs.partitioner.TimeUtils.java

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/**
 * Copyright 2015 Confluent 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.
 **/

package io.confluent.connect.hdfs.partitioner;

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

public class TimeUtils {

    public static String encodeTimestamp(long partitionDurationMs, String pathFormat, String timeZoneString,
            long timestamp) {
        DateTimeZone timeZone = DateTimeZone.forID(timeZoneString);
        DateTimeFormatter formatter = DateTimeFormat.forPattern(pathFormat).withZone(timeZone);
        DateTime partition = new DateTime(getPartition(partitionDurationMs, timestamp, timeZone));
        return partition.toString(formatter);
    }

    private static long getPartition(long timeGranularityMs, long timestamp, DateTimeZone timeZone) {
        long adjustedTimeStamp = timeZone.convertUTCToLocal(timestamp);
        long partitionedTime = (adjustedTimeStamp / timeGranularityMs) * timeGranularityMs;
        return timeZone.convertLocalToUTC(partitionedTime, false);
    }
}