tachyon.web.Utils.java Source code

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Here is the source code for tachyon.web.Utils.java

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/*
 * Licensed to the University of California, Berkeley 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 tachyon.web;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import com.google.common.base.Preconditions;

import tachyon.Constants;

final class Utils {

    public static String convertByteArrayToStringWithoutEscape(byte[] data, int offset, int length) {
        StringBuilder sb = new StringBuilder(length);
        for (int i = offset; i < length && i < data.length; i++) {
            sb.append((char) data[i]);
        }
        return sb.toString();
    }

    public static String convertMsToClockTime(long Millis) {
        Preconditions.checkArgument(Millis >= 0, "Negative values are not supported");

        long days = Millis / Constants.DAY_MS;
        long hours = (Millis % Constants.DAY_MS) / Constants.HOUR_MS;
        long mins = (Millis % Constants.HOUR_MS) / Constants.MINUTE_MS;
        long secs = (Millis % Constants.MINUTE_MS) / Constants.SECOND_MS;

        return String.format("%d day(s), %d hour(s), %d minute(s), and %d second(s)", days, hours, mins, secs);
    }

    public static String convertMsToDate(long Millis) {
        DateFormat formatter = new SimpleDateFormat("MM-dd-yyyy HH:mm:ss:SSS");
        return formatter.format(new Date(Millis));
    }

    public static String convertMsToShortClockTime(long Millis) {
        Preconditions.checkArgument(Millis >= 0, "Negative values are not supported");

        long days = Millis / Constants.DAY_MS;
        long hours = (Millis % Constants.DAY_MS) / Constants.HOUR_MS;
        long mins = (Millis % Constants.HOUR_MS) / Constants.MINUTE_MS;
        long secs = (Millis % Constants.MINUTE_MS) / Constants.SECOND_MS;

        return String.format("%d d, %d h, %d m, and %d s", days, hours, mins, secs);
    }

    private Utils() {
        // util class
    }
}