Dateien nach "src/main/java/com/viper/PlaceholderSIGN/util" hochladen

src/main/java/com/viper/PlaceholderSIGN/util/HexUtil.java

@@ -0,0 +1,52 @@
+package com.viper.PlaceholderSIGN.util;
+
+import java.awt.Color;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class HexUtil {
+    public static String replaceHexColors(char colorChar, String string) {
+        Pattern pattern = getReplaceAllRgbPattern(colorChar);
+        Matcher matcher = pattern.matcher(string);
+        StringBuffer buffer = new StringBuffer();
+        while (matcher.find()) {
+            if (matcher.group(1) != null) {
+                matcher.appendReplacement(buffer, colorChar + "#$2");
+                continue;
+            }
+            try {
+                String hexCodeString = matcher.group(2);
+                String hexCode = parseHexColor(hexCodeString);
+                matcher.appendReplacement(buffer, hexCode);
+            } catch (NumberFormatException ignored) {}
+        }
+        matcher.appendTail(buffer);
+        return buffer.toString();
+    }
+
+    private static Pattern getReplaceAllRgbPattern(char colorChar) {
+        String colorCharString = Character.toString(colorChar);
+        String colorCharPattern = Pattern.quote(colorCharString);
+        String patternString = "(" + colorCharPattern + ")?" + colorCharPattern + "#([0-9a-fA-F]{6})";
+        return Pattern.compile(patternString);
+    }
+
+    private static String parseHexColor(String string) throws NumberFormatException {
+        if (string.startsWith("#")) {
+            string = string.substring(1);
+        }
+        if (string.length() != 6) {
+            throw new NumberFormatException("Invalid hex length");
+        }
+        Color.decode("#" + string);
+        StringBuilder assembled = new StringBuilder();
+        assembled.append('§');
+        assembled.append("x");
+        char[] charArray = string.toCharArray();
+        for (char character : charArray) {
+            assembled.append('§');
+            assembled.append(character);
+        }
+        return assembled.toString();
+    }
+}