chesshog-core/src/main/java/org/hedgecode/chess/ChessHogConsole.java

   1 /*
   2  * Copyright (c) 2018-2019. Developed by Hedgecode.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.hedgecode.chess;
  18
  19 import java.time.LocalDateTime;
  20 import java.util.Calendar;
  21
  22 /**
  23  * ChessHog utility class for working with console.
  24  *
  25  * @author Dmitry Samoshin aka gotty
  26  */
  27 public class ChessHogConsole {
  28
  29     private static final String[] ASCII_LOGO = {
  30             "  _______     _                   _                  ",
  31             " |   |  _|_ _| |___ ___ ___ ___ _| |___              ",
  32             " |     | -_| . | . | -_|  _| . | . | -_|             ",
  33             " |     |___|___|_  |___|___|___|___|___|             ",
  34             " |___|___|     |___|    _               _            ",
  35             "                    ___| |_ ___ ___ ___| |_ ___ ___  ",
  36             "                   |  _|   | -_|_ -|_ -|   | . | . | ",
  37             "                   |___|_|_|___|___|___|_|_|___|_  | ",
  38             "                                               |___| "
  39     };
  40
  41     private static final String COPYRIGHT = "Copyright (c) Hedgecode";
  42
  43     private static boolean logMode = false;
  44
  45     private ChessHogConsole() {
  46     }
  47
  48     public static void setLogMode(boolean isLogMode) {
  49         logMode = isLogMode;
  50     }
  51
  52     public static void console(String message) {
  53         System.out.println(
  54                 String.format(
  55                         logMode ? "[%1$tT] %2$s" : "%2$s",
  56                         LocalDateTime.now(),
  57                         message == null ? "" : message
  58                 )
  59         );
  60     }
  61
  62     public static void empty() {
  63         console(null);
  64     }
  65
  66     public static void init() {
  67         asciiLogo();
  68         copyright();
  69         version();
  70         empty();
  71         os();
  72         java();
  73     }
  74
  75     private static void asciiLogo() {
  76         for (String line : ASCII_LOGO) {
  77             console(line);
  78         }
  79     }
  80
  81     private static void copyright() {
  82         int inceptionYear = Integer.parseInt(
  83                 ChessHogProperties.get("chesshog.inception.year")
  84         );
  85         int currentYear = Calendar.getInstance().get(Calendar.YEAR);
  86         String copyright = currentYear > inceptionYear
  87                 ? String.format("%s-%s %s", inceptionYear, currentYear, COPYRIGHT)
  88                 : String.format("%s %s", currentYear, COPYRIGHT);
  89         console(
  90                 alignCenter(copyright)
  91         );
  92     }
  93
  94     private static void version() {
  95         console(
  96                 alignCenter(
  97                         String.format(
  98                                 "v. %s", ChessHogProperties.get("chesshog.version")
  99                         )
 100                 )
 101         );
 102     }
 103
 104     private static void os() {
 105         console(
 106                 String.format(
 107                         "OS: %s %s %s",
 108                         System.getProperty("os.name"),
 109                         System.getProperty("os.version"),
 110                         System.getProperty("os.arch")
 111                 )
 112         );
 113     }
 114
 115     private static void java() {
 116         console(
 117                 String.format(
 118                         "JRE: %s %s",
 119                         System.getProperty("java.runtime.name"),
 120                         System.getProperty("java.runtime.version")
 121                 )
 122         );
 123         console(
 124                 String.format(
 125                         "JVM: %s %s %s",
 126                         System.getProperty("java.vm.vendor"),
 127                         System.getProperty("java.vm.name"),
 128                         System.getProperty("java.vm.version")
 129                 )
 130         );
 131     }
 132
 133     private static String alignCenter(String message) {
 134         int indent = (ASCII_LOGO[0].length() + message.length()) / 2;
 135         return String.format(
 136                 "%" + indent + "s",
 137                 message
 138         );
 139     }
 140
 141 }