by.stub.cli.ANSITerminal Maven / Gradle / Ivy

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/*
HTTP stub server written in Java with embedded Jetty

Copyright (C) 2012 Alexander Zagniotov, Isa Goksu and Eric Mrak

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see .
 */

package by.stub.cli;

/**
 * Prints to console any given message using ANSI colours.
 *
 * @author Eric Mrak
 */
public final class ANSITerminal {

   private static final char ESCAPE = 27;
   private static final String BOLD = String.format("%s[1m", ESCAPE);
   private static final String RESET = String.format("%s[0m", ESCAPE);
   private static final String BLACK = String.format("%s[30m", ESCAPE);
   private static final String BOLD_BLACK = String.format("%s%s", BOLD, BLACK);
   private static final String BLUE = String.format("%s[34m", ESCAPE);
   private static final String CYAN = String.format("%s[36m", ESCAPE);
   private static final String GREEN = String.format("%s[32m", ESCAPE);
   private static final String MAGENTA = String.format("%s[35m", ESCAPE);
   private static final String RED = String.format("%s[31m", ESCAPE);
   private static final String YELLOW = String.format("%s[33m", ESCAPE);
   private static boolean mute = false;

   private ANSITerminal() {

   }

   private static void print(final String color, final String msg) {
      if (mute) {
         return;
      }
      System.out.println(String.format("%s%s%s", color, msg, RESET));
   }

   public static void log(final String msg) {
      print("", msg);
   }

   /**
    * Prints message to the console
    *
    * @param msg message to to print to the console
    */
   public static void dump(final String msg) {
      log(msg);
   }

   /**
    * Prints message to the console in black colour
    *
    * @param msg message to to print to the console
    */
   public static void status(final String msg) {
      print(BOLD_BLACK, msg);
   }

   /**
    * Prints message to the console in blue colour
    *
    * @param msg message to to print to the console
    */
   public static void info(final String msg) {
      print(BLUE, msg);
   }

   /**
    * Prints message to the console in green colour
    *
    * @param msg message to to print to the console
    */
   public static void ok(final String msg) {
      print(GREEN, msg);
   }

   /**
    * Prints message to the console in red colour
    *
    * @param msg message to to print to the console
    */
   public static void error(final String msg) {
      print(RED, msg);
   }

   /**
    * Prints message to the console in yellow colour
    *
    * @param msg message to to print to the console
    */
   public static void warn(final String msg) {
      print(YELLOW, msg);
   }

   /**
    * Prints message to the console in cyan colour
    *
    * @param msg message to to print to the console
    */
   public static void incoming(final String msg) {
      print(CYAN, msg);
   }

   /**
    * Prints message to the console in magenta colour
    *
    * @param msg message to to print to the console
    */
   public static void loaded(final String msg) {
      print(MAGENTA, msg);
   }

   /**
    * Disables console output
    *
    * @param isMute if true, the console output will be disabled
    */
   public static void muteConsole(final boolean isMute) {
      mute = isMute;
   }

   /**
    * Checks whether console output has been disabled by user using command line argument
    *
    * @return true is the console output is disabled
    */
   public static boolean isMute() {
      return mute;
   }
}