| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| MsDecor |
|
| 4.666666666666667;4.667 |
| 1 | /** | |
| 2 | * Copyright (c) 2012-2015, jcabi.com | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: 1) Redistributions of source code must retain the above | |
| 8 | * copyright notice, this list of conditions and the following | |
| 9 | * disclaimer. 2) Redistributions in binary form must reproduce the above | |
| 10 | * copyright notice, this list of conditions and the following | |
| 11 | * disclaimer in the documentation and/or other materials provided | |
| 12 | * with the distribution. 3) Neither the name of the jcabi.com nor | |
| 13 | * the names of its contributors may be used to endorse or promote | |
| 14 | * products derived from this software without specific prior written | |
| 15 | * permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT | |
| 19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
| 21 | * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | */ | |
| 30 | package com.jcabi.log; | |
| 31 | ||
| 32 | import java.util.Formattable; | |
| 33 | import java.util.FormattableFlags; | |
| 34 | import java.util.Formatter; | |
| 35 | import lombok.EqualsAndHashCode; | |
| 36 | import lombok.ToString; | |
| 37 | ||
| 38 | /** | |
| 39 | * Decorate time interval in milliseconds. | |
| 40 | * | |
| 41 | * <p>For example: | |
| 42 | * | |
| 43 | * <pre> | |
| 44 | * final long start = System.currentTimeMillis(); | |
| 45 | * // some operations | |
| 46 | * Logger.debug("completed in %[ms]s", System.currentTimeMillis() - start); | |
| 47 | * </pre> | |
| 48 | * | |
| 49 | * @author Yegor Bugayenko (yegor@teamed.io) | |
| 50 | * @version $Id: 0ba7757213228d4c1ae4cc44f8338ae18346a588 $ | |
| 51 | * @since 0.1 | |
| 52 | */ | |
| 53 | 0 | @ToString |
| 54 | 0 | @EqualsAndHashCode(of = "millis") |
| 55 | final class MsDecor implements Formattable { | |
| 56 | ||
| 57 | /** | |
| 58 | * The period to work with, in milliseconds. | |
| 59 | */ | |
| 60 | private final transient Double millis; | |
| 61 | ||
| 62 | /** | |
| 63 | * Public ctor. | |
| 64 | * @param msec The interval in milliseconds | |
| 65 | */ | |
| 66 | @SuppressWarnings("PMD.NullAssignment") | |
| 67 | 0 | MsDecor(final Long msec) { |
| 68 | 0 | if (msec == null) { |
| 69 | 0 | this.millis = null; |
| 70 | } else { | |
| 71 | 0 | this.millis = Double.valueOf(msec); |
| 72 | } | |
| 73 | 0 | } |
| 74 | ||
| 75 | /** | |
| 76 | * {@inheritDoc} | |
| 77 | * @checkstyle ParameterNumber (4 lines) | |
| 78 | */ | |
| 79 | @Override | |
| 80 | public void formatTo(final Formatter formatter, final int flags, | |
| 81 | final int width, final int precision) { | |
| 82 | 0 | if (this.millis == null) { |
| 83 | 0 | formatter.format("NULL"); |
| 84 | } else { | |
| 85 | 0 | final StringBuilder format = new StringBuilder(0); |
| 86 | 0 | format.append('%'); |
| 87 | 0 | if ((flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags |
| 88 | .LEFT_JUSTIFY) { | |
| 89 | 0 | format.append('-'); |
| 90 | } | |
| 91 | 0 | if (width > 0) { |
| 92 | 0 | format.append(Integer.toString(width)); |
| 93 | } | |
| 94 | 0 | if ((flags & FormattableFlags.UPPERCASE) == FormattableFlags |
| 95 | .UPPERCASE) { | |
| 96 | 0 | format.append('S'); |
| 97 | } else { | |
| 98 | 0 | format.append('s'); |
| 99 | } | |
| 100 | 0 | formatter.format(format.toString(), this.toText(precision)); |
| 101 | } | |
| 102 | 0 | } |
| 103 | ||
| 104 | /** | |
| 105 | * Create text. | |
| 106 | * @param precision The precision | |
| 107 | * @return The text | |
| 108 | * @checkstyle MagicNumber (50 lines) | |
| 109 | */ | |
| 110 | private String toText(final int precision) { | |
| 111 | double number; | |
| 112 | String title; | |
| 113 | 0 | if (this.millis < 1000L) { |
| 114 | 0 | number = this.millis; |
| 115 | 0 | title = "ms"; |
| 116 | 0 | } else if (this.millis < 1000L * 60) { |
| 117 | 0 | number = this.millis / 1000L; |
| 118 | 0 | title = "s"; |
| 119 | 0 | } else if (this.millis < 1000L * 60 * 60) { |
| 120 | 0 | number = this.millis / (1000L * 60); |
| 121 | 0 | title = "min"; |
| 122 | 0 | } else if (this.millis < 1000L * 60 * 60 * 24) { |
| 123 | 0 | number = this.millis / (1000L * 60 * 60); |
| 124 | 0 | title = "hr"; |
| 125 | 0 | } else if (this.millis < 1000L * 60 * 60 * 24 * 30) { |
| 126 | 0 | number = this.millis / (1000L * 60 * 60 * 24); |
| 127 | 0 | title = "days"; |
| 128 | } else { | |
| 129 | 0 | number = this.millis / (1000L * 60 * 60 * 24 * 30); |
| 130 | 0 | title = "mon"; |
| 131 | } | |
| 132 | final String format; | |
| 133 | 0 | if (precision >= 0) { |
| 134 | 0 | format = String.format("%%.%df%%s", precision); |
| 135 | } else { | |
| 136 | 0 | format = "%.0f%s"; |
| 137 | } | |
| 138 | 0 | return String.format(format, number, title); |
| 139 | } | |
| 140 | ||
| 141 | } |