package com.Acrobot.Breeze.Utils; /** * @author Acrobot */ public class NumberUtil { /** * Checks if the string is a integer * * @param string string to check * @return Is the string integer? */ public static boolean isInteger(String string) { try { Integer.parseInt(string); return true; } catch (NumberFormatException e) { return false; } } /** * Checks if the string is a float * * @param string string to check * @return Is the string float? */ public static boolean isFloat(String string) { try { Float.parseFloat(string); return true; } catch (NumberFormatException e) { return false; } } /** * Checks if the string is a double * * @param string string to check * @return Is the string double? */ public static boolean isDouble(String string) { try { Double.parseDouble(string); return true; } catch (NumberFormatException e) { return false; } } /** * Checks if the string is a short * * @param string string to check * @return Is the string short? */ public static boolean isShort(String string) { try { Short.parseShort(string); return true; } catch (NumberFormatException e) { return false; } } /** * Rounds the number up to two digit points (Can be inaccurate due to using decimal-points) * * @param number Number to round * @return Rounded number */ public static double roundUp(double number) { return Math.ceil(number * 100) / 100; } /** * Converts the number (in seconds) to timer-like format, like 2:00 (minutes:seconds) * * @param number Number of seconds * @return Formatted string */ public static String toTime(int number) { int minutes = number / 60; String seconds = Integer.toString(number % 60); if (seconds.length() != 2) { seconds = '0' + seconds; } return minutes + ":" + seconds; } /** * Converts a number to roman * * @param number number to convert * @return Converted number */ public static String toRoman(int number) { if (number < 1 || number > 9) { throw new IllegalArgumentException("The number must be in range 1-9 (This is only for enchantment level decoration)"); } switch (number) { case 1: return "I"; case 2: return "II"; case 3: return "III"; case 4: return "IV"; case 5: return "V"; case 6: return "VI"; case 7: return "VII"; case 8: return "VIII"; case 9: return "IX"; default: return Integer.toString(number); } } }