diff options
Diffstat (limited to 'src/main/java/de/hysky')
| -rw-r--r-- | src/main/java/de/hysky/skyblocker/utils/RomanNumerals.java | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/main/java/de/hysky/skyblocker/utils/RomanNumerals.java b/src/main/java/de/hysky/skyblocker/utils/RomanNumerals.java index 2ab3c776..5f273f8e 100644 --- a/src/main/java/de/hysky/skyblocker/utils/RomanNumerals.java +++ b/src/main/java/de/hysky/skyblocker/utils/RomanNumerals.java @@ -1,6 +1,8 @@ package de.hysky.skyblocker.utils; public class RomanNumerals { + private RomanNumerals() { + } private static int getDecimalValue(char romanChar) { return switch (romanChar) { case 'I' -> 1; @@ -14,6 +16,14 @@ public class RomanNumerals { }; } + public static boolean isValidRomanNumeral(String romanNumeral) { + if (romanNumeral == null || romanNumeral.isEmpty()) return false; + for (int i = 0; i < romanNumeral.length(); i++) { + if (getDecimalValue(romanNumeral.charAt(i)) == 0) return false; + } + return true; + } + /** * Converts a roman numeral to a decimal number. * |