Convert hex legacy chars to MiniMessage too

api/src/main/java/net/pistonmaster/pistonmotd/api/PlaceholderUtil.java

@@ -4,23 +4,27 @@
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 import net.pistonmaster.pistonmotd.kyori.PistonSerializersRelocated;
 import org.apiguardian.api.API;
+import org.jetbrains.annotations.VisibleForTesting;
 
-import java.util.LinkedHashMap;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.regex.Pattern;
 
 /**
  * Class for managing parsers and parse text.
  */
 @SuppressWarnings({"unused"})
 public class PlaceholderUtil {
+    private static final Pattern LEGACY_HEX_PATTERN = Pattern.compile("[§&]#(?<hex>[0-9a-fA-F]{6})");
+    private static final Pattern LEGACY_UGLY_HEX_PATTERN = Pattern.compile("([§&])x\\1(?<h1>[0-9a-fA-F])\\1(?<h2>[0-9a-fA-F])\\1(?<h3>[0-9a-fA-F])\\1(?<h4>[0-9a-fA-F])\\1(?<h5>[0-9a-fA-F])\\1(?<h6>[0-9a-fA-F])");
     private static final Map<Character, String> MINIMESSAGE_REPLACEMENTS;
     private static final List<PlaceholderParser> preParsePlaceholders = new CopyOnWriteArrayList<>();
     private static final List<PlaceholderParser> postParsePlaceholders = new CopyOnWriteArrayList<>();
 
     static {
-        MINIMESSAGE_REPLACEMENTS = new LinkedHashMap<>();
+        MINIMESSAGE_REPLACEMENTS = new HashMap<>();
         MINIMESSAGE_REPLACEMENTS.put('0', "black");
         MINIMESSAGE_REPLACEMENTS.put('1', "dark_blue");
         MINIMESSAGE_REPLACEMENTS.put('2', "dark_green");
@@ -79,10 +83,7 @@ public static String parseTextToLegacy(final String text) {
     }
 
     private static Component parseTextToComponent(final String text) {
-        String parsedText = text;
-
-        parsedText = replaceLegacyWithMiniMessage("&", parsedText);
-        parsedText = replaceLegacyWithMiniMessage("§", parsedText);
+        String parsedText = convertMiniMessageString(text);
 
         for (PlaceholderParser parser : preParsePlaceholders) {
             parsedText = parser.parseString(parsedText);
@@ -102,6 +103,18 @@ private static Component parseTextToComponent(final String text) {
         return PistonSerializersRelocated.ampersandRGB.deserialize(ampersandRGB);
     }
 
+    @VisibleForTesting
+    @API(status = API.Status.INTERNAL)
+    public static String convertMiniMessageString(String str) {
+        str = LEGACY_HEX_PATTERN.matcher(str).replaceAll("<#${hex}>");
+        str = LEGACY_UGLY_HEX_PATTERN.matcher(str).replaceAll("<#${h1}${h2}${h3}${h4}${h5}${h6}>");
+
+        str = replaceLegacyWithMiniMessage("&", str);
+        str = replaceLegacyWithMiniMessage("§", str);
+
+        return str;
+    }
+
     private static String replaceLegacyWithMiniMessage(String prefix, String str) {
         for (Map.Entry<Character, String> entry : MINIMESSAGE_REPLACEMENTS.entrySet()) {
             str = str.replace(prefix + entry.getKey(), "<" + entry.getValue() + ">");

api/src/test/java/net/pistonmaster/pistonmotd/api/ConversionTest.java

@@ -0,0 +1,36 @@
+package net.pistonmaster.pistonmotd.api;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class ConversionTest {
+  @Test
+  public void testBasicConversionSection() {
+    Assertions.assertEquals("<red>Hello World", PlaceholderUtil.convertMiniMessageString("§cHello World"));
+  }
+
+  @Test
+  public void testBasicConversionAmpersand() {
+    Assertions.assertEquals("<red>Hello World", PlaceholderUtil.convertMiniMessageString("&cHello World"));
+  }
+
+  @Test
+  public void testBasicConversionHexSection() {
+    Assertions.assertEquals("<#ff0000>Hello World", PlaceholderUtil.convertMiniMessageString("§#ff0000Hello World"));
+  }
+
+  @Test
+  public void testBasicConversionHexAmpersand() {
+    Assertions.assertEquals("<#ff0000>Hello World", PlaceholderUtil.convertMiniMessageString("&#ff0000Hello World"));
+  }
+
+  @Test
+  public void testBasicConversionHexSectionUgly() {
+    Assertions.assertEquals("<#ff0000>Hello World", PlaceholderUtil.convertMiniMessageString("§x§f§f§0§0§0§0Hello World"));
+  }
+
+  @Test
+  public void testBasicConversionHexAmpersandUgly() {
+    Assertions.assertEquals("<#ff0000>Hello World", PlaceholderUtil.convertMiniMessageString("&x&f&f&0&0&0&0Hello World"));
+  }
+}

buildSrc/src/main/kotlin/pm.java-conventions.gradle.kts

@@ -11,12 +11,26 @@ dependencies {
 
     compileOnly("org.projectlombok:lombok:1.18.36")
     annotationProcessor("org.projectlombok:lombok:1.18.36")
+
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.11.3")
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.3")
+    testImplementation("org.mockito:mockito-core:5.14.2")
+    testImplementation("org.mockito:mockito-junit-jupiter:5.14.2")
 }
 
 tasks {
     processResources {
         expand("version" to version, "description" to description, "url" to "https://pistonmaster.net/PistonMOTD")
     }
+    test {
+        reports.junitXml.required = true
+        reports.html.required = true
+        useJUnitPlatform()
+        maxParallelForks = Runtime.getRuntime().availableProcessors().div(2).coerceAtLeast(1)
+    }
+    jar {
+        from(rootProject.file("LICENSE"))
+    }
 }
 
 java {

shared/src/main/java/net/pistonmaster/pistonmotd/shared/PistonMOTDServerConfig.java

@@ -5,7 +5,7 @@
 import net.skinsrestorer.axiom.AxiomConfiguration;
 import net.skinsrestorer.axiom.AxiomConfigurationSection;
 
-import java.util.LinkedHashMap;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -77,7 +77,7 @@ protected void load(AxiomConfiguration config) {
 
         AxiomConfigurationSection perDomainStatusSection = config.getSection("advanced.perDomainStatus.domains");
         List<String> domains = perDomainStatusSection.getKeys();
-        Map<String, PerDomainStatusDomain> domainMap = new LinkedHashMap<>();
+        Map<String, PerDomainStatusDomain> domainMap = new HashMap<>();
         for (String domainId : domains) {
             AxiomConfigurationSection domainSection = perDomainStatusSection.getSection(domainId);