feat(java): make DefaultJdkClassAllowList public

java/fory-core/src/main/java/org/apache/fory/resolver/AllowListChecker.java

@@ -103,8 +103,12 @@ private boolean check(String className) {
     if (checkLevel == CheckLevel.DISABLE) {
       return true;
     }
-    boolean disallowed = containsPrefix(disallowList, disallowListPrefix, className);
-    boolean allowed = containsPrefix(allowList, allowListPrefix, className);
+    boolean disallowed =
+        containsPrefix(disallowList, disallowListPrefix, className)
+            || DisallowedList.contains(className);
+    boolean allowed =
+        containsPrefix(allowList, allowListPrefix, className)
+            || DefaultJdkClassAllowList.contains(className);
     if (className.startsWith("[")) {
       Tuple2<String, Integer> componentInfo = TypeUtils.getArrayComponentInfo(className);
       String componentName = componentInfo.f0;

java/fory-core/src/main/java/org/apache/fory/resolver/DefaultJdkClassAllowList.java

@@ -23,7 +23,7 @@
 import java.util.Set;
 
 /** JDK interface names which can be loaded without explicit class registration. */
-final class DefaultJdkClassAllowList {
+public final class DefaultJdkClassAllowList {
   private static final Set<String> CLASS_NAMES = new HashSet<>();
 
   static {
@@ -89,4 +89,13 @@ private DefaultJdkClassAllowList() {}
   static boolean contains(String className) {
     return CLASS_NAMES.contains(className) || className.startsWith("java.util.function.");
   }
+
+  /**
+   * Get the allowed class names as an immutable set.
+   *
+   * @return Set of allowed class names
+   */
+  public static Set<String> getAllowClasses() {
+    return CLASS_NAMES;
+  }
 }

java/fory-core/src/main/java/org/apache/fory/resolver/DisallowedList.java

@@ -317,4 +317,8 @@ public static void checkNotInDisallowedList(String clsName) {
       throw new InsecureException(String.format("%s hit disallowed list", clsName));
     }
   }
+
+  public static boolean contains(String className) {
+    return DEFAULT_DISALLOWED_LIST_SET.contains(className);
+  }
 }