Output.scala

/**
 * Copyright 2023 Frank Zeyda
 *
 * Licensed 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 j1.utils

import scala.io.AnsiColor._

object Output {
  /* Emits informative message. */
  def info(obj: Any): Unit = {
    Console.print(s"[${BLUE}info${RESET}] ")
    println(obj)
  }

  /* Emits debugging message. */
  def debug(obj: Any): Unit = {
    Console.print(s"[${CYAN}debug${RESET}] ")
    println(obj)
  }

  /* Emits warning message. */
  def warn(obj: Any): Unit = {
    Console.print(s"[${YELLOW}warn${RESET}] ")
    println(obj)
  }

  /* Emits error message. */
  def error(obj: Any): Unit = {
    Console.print(s"[${RED}error${RESET}] ")
    println(obj)
  }

  /* Emits error message and terminates the program. */
  def critical(obj: Any): Unit = {
    Console.print(s"[${RED}critical${RESET}] ")
    println(obj)
    System.exit(1)
  }

  /* Internal method for printing of an object. */
  private def println(obj: Any): Unit = {
    val text = obj.toString
    Console.print(text)
    if (!text.endsWith("\n")) {
      Console.println()
    }
  }
}