Bit.java

/**
 * Copyright 2019-Present DataCompressionPrimitives.
 *
 * <p>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
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 */
package org.dcp.entities.bit;

public class Bit {
  public static final Bit FALSE = new Bit(false);
  public static final Bit TRUE = new Bit(true);

  private final boolean bitValue;

  private Bit(final boolean bitValue) {
    this.bitValue = bitValue;
  }

  public static Bit valueOf(final boolean boolValue) {
    if (boolValue == false) return FALSE;
    else return TRUE;
  }

  public static Bit valueOf(final String stringValue) {
    if ("0".equals(stringValue)) return FALSE;
    else if ("1".equals(stringValue)) return TRUE;
    else
      throw new IllegalArgumentException(
          String.format("Value should be 0 or 1. Value: %s", stringValue));
  }

  public static Bit valueOf(final char charValue) {
    if (charValue == '0') return FALSE;
    else if (charValue == '1') return TRUE;
    else
      throw new IllegalArgumentException(
          String.format("Value should be 0 or 1. Value: %c", charValue));
  }

  public static Bit valueOf(final long intValue) {
    if (intValue == 0) return FALSE;
    else if (intValue == 1) return TRUE;
    else
      throw new IllegalArgumentException(
          String.format("Value should be 0 or 1. Value: %d", intValue));
  }

  public boolean value() {
    return bitValue;
  }

  public long intValue() {
    if (bitValue == false) return 0;
    else return 1;
  }

  public String toString() {
    if (bitValue == false) return "0";
    else return "1";
  }
}