+++ /dev/null
-/*
- * Copyright (C) 2022 Free Software Foundation
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-package org.mxchange.jcoreutils;
-
-import java.io.Serializable;
-import java.math.BigDecimal;
-import java.util.Objects;
-
-/**
- * Null-safe utilities class for numbers
- * <p>
- * @author Roland Häder<roland@mxchange.org>
- */
-public class SafeNumberUtils implements Serializable {
-
- /**
- * Serial number
- */
- private static final long serialVersionUID = 153_746_766_826_120L;
-
- /**
- * Compares both Integer instances null-safe following the rules of
- * Comparable.compareTo().
- * <p>
- * @param integer1 Integer instance 1
- * @param integer2 Integer instance 2
- * <p>
- * @return Comparison value
- */
- public static int compare (final Integer integer1, final Integer integer2) {
- // Check instances
- if (Objects.equals(integer1, integer2)) {
- // Both objects are equal
- return 0;
- } else if (null == integer1) {
- // First number is null (means is smaller than 0)
- return -1;
- } else if (null == integer2) {
- // Second number is null (means is bigger than 0)
- return 1;
- }
-
- // Compare vaules null-safe
- return Integer.compare(integer1, integer2);
- }
-
- /**
- * Compares both Long instances null-safe following the rules of
- * Comparable.compareTo().
- * <p>
- * @param long1 Long instance 1
- * @param long2 Long instance 2
- * <p>
- * @return Comparison value
- */
- public static int compare (final Long long1, final Long long2) {
- // Check instances
- if (Objects.equals(long1, long2)) {
- // Both objects are equal
- return 0;
- } else if (null == long1) {
- // First number is null (means is smaller than 0)
- return -1;
- } else if (null == long2) {
- // Second number is null (means is smaller than 0)
- return 1;
- }
-
- // Compare vaules null-safe
- return Long.compare(long1, long2);
- }
-
- /**
- * Compares both Short instances null-safe following the rules of
- * Comparable.compareTo().
- * <p>
- * @param short1 Short instance 1
- * @param short2 Short instance 2
- * <p>
- * @return Comparison value
- */
- public static int compare (final Short short1, final Short short2) {
- // Check instances
- if (Objects.equals(short1, short2)) {
- // Both objects are equal
- return 0;
- } else if (null == short1) {
- // First number is null (means is smaller than 0)
- return -1;
- } else if (null == short2) {
- // Second number is null (means is smaller than 0)
- return 1;
- }
-
- // Compare vaules null-safe
- return Short.compare(short1, short2);
- }
-
- /**
- * Compares both BigDecimal instances null-safe following the rules of
- * Comparable.compareTo().
- * <p>
- * @param decimal1 BigDecimal instance 1
- * @param decimal2 BigDecimal instance 2
- * <p>
- * @return Comparison value
- */
- public static int compare (final BigDecimal decimal1, final BigDecimal decimal2) {
- // Check instances
- if (Objects.equals(decimal1, decimal2)) {
- // Both objects are equal
- return 0;
- } else if (null == decimal1) {
- // First number is null (means is smaller than 0)
- return -1;
- } else if (null == decimal2) {
- // Second number is null (means is smaller than 0)
- return 1;
- }
-
- // Compare vaules null-safe
- return decimal1.compareTo(decimal2);
- }
-
- /**
- * Utilities classes should not have instances
- */
- private SafeNumberUtils () {
- // Private constructor
- }
-
-}