io.hops.hopsworks.common.util.FormatUtils.java Source code

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Here is the source code for io.hops.hopsworks.common.util.FormatUtils.java

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/*
 * Changes to this file committed after and not including commit-id: ccc0d2c5f9a5ac661e60e6eaf138de7889928b8b
 * are released under the following license:
 *
 * This file is part of Hopsworks
 * Copyright (C) 2018, Logical Clocks AB. All rights reserved
 *
 * Hopsworks is free software: you can redistribute it and/or modify it under the terms of
 * the GNU Affero General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * Hopsworks 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.
 * If not, see <https://www.gnu.org/licenses/>.
 *
 * Changes to this file committed before and including commit-id: ccc0d2c5f9a5ac661e60e6eaf138de7889928b8b
 * are released under the following license:
 *
 * Copyright (C) 2013 - 2018, Logical Clocks AB and RISE SICS AB. All rights reserved
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package io.hops.hopsworks.common.util;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;

import javax.servlet.http.HttpServletRequest;

public class FormatUtils {

    final static double K = 1024d;
    final static double M = K * K;
    final static double G = M * K;
    final static double T = G * K;
    final static double m = 60d;
    final static double h = m * 60d;
    final static double d = h * 24d;

    public static String storage(Long s) {
        DecimalFormat format = new DecimalFormat("#.#");
        Double size = (double) s;
        if (size < K) {
            return format.format(size) + " B";
        }
        if (size < M) {
            return format.format(size / K) + " KB";
        }
        if (size < G) {
            return format.format(size / M) + " MB";
        }
        if (size < T) {
            return format.format(size / G) + " GB";
        }
        return format.format(size / T) + " TB";
    }

    public static String time(Long t) {
        DecimalFormat format = new DecimalFormat("#.#");
        Double time = (double) t / 1000d;
        if (time < m) {
            return format.format(time) + "s";
        }
        if (time < h) {
            return format.format(time / m) + "m";
        }
        if (time < d) {
            return format.format(time / h) + "h";
        }
        return format.format(time / d) + "d";
    }

    public static String timeInSec(Long t) {
        DecimalFormat format = new DecimalFormat("#.#");
        if (t == null) {
            return "";
        }
        Double time = (double) t;
        if (time < m) {
            return format.format(time) + "s";
        }
        if (time < h) {
            return format.format(time / m) + "m";
        }
        if (time < d) {
            return format.format(time / h) + "h";
        }
        return format.format(time / d) + "d";
    }

    public static String date(Date d) {
        SimpleDateFormat df = new SimpleDateFormat("MMM dd, yyyy h:mm:ss a");
        if (d == null) {
            return "";
        }
        return df.format(d);
    }

    public static String stdoutToHtml(String text) {
        String html = StringEscapeUtils.escapeHtml(text);
        html = html.replaceAll("\n", "<br>");
        html = html.replaceAll("\t", StringUtils.repeat("&nbsp;", 8));
        html = html.replaceAll(" ", StringUtils.repeat("&nbsp;", 1));
        return html;
    }

    public static String getUserURL(HttpServletRequest req) {
        String domain = req.getRequestURL().toString();
        String cpath = req.getContextPath();

        return domain.substring(0, domain.indexOf(cpath));
    }

    public static List<String> rrdChartFormats() {
        List<String> formats = new ArrayList<>();
        formats.add("%5.2lf");
        formats.add("%5.2lf %S");
        return formats;
    }
}