GH-1039 Add field scan for PermissionDocs like in VanishPermissionConstant (#1039)

Author: P1otrulla

eternalcore-core/src/main/java/com/eternalcode/core/feature/vanish/VanishPermissionConstant.java

@@ -2,12 +2,12 @@
 
 import com.eternalcode.annotations.scan.permission.PermissionDocs;
 
-@PermissionDocs(
-    name = "Vanish tabulation",
-    permission = VanishPermissionConstant.VANISH_SEE_TABULATION_PERMISSION,
-    description = "Allows the player to see vanished players in tabulation."
-)
 public class VanishPermissionConstant {
 
+    @PermissionDocs(
+        name = "Vanish tabulation",
+        permission = VanishPermissionConstant.VANISH_SEE_TABULATION_PERMISSION,
+        description = "Allows the player to see vanished players in tabulation."
+    )
     public static final String VANISH_SEE_TABULATION_PERMISSION = "eternalcore.vanish.tabulation.see";
 }

eternalcore-docs-api/src/main/java/com/eternalcode/annotations/scan/SingleAnnotationScanResolver.java

@@ -1,6 +1,7 @@
 package com.eternalcode.annotations.scan;
 
 import java.lang.annotation.Annotation;
+import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
@@ -44,6 +45,14 @@ private List<A> scanForAnnotations(Class<?> classToScan, Class<A> annotationClas
             }
         }
 
+        for (Field field : classToScan.getDeclaredFields()) {
+            A fieldAnnotation = field.getAnnotation(annotationClass);
+
+            if (fieldAnnotation != null) {
+                annotations.add(fieldAnnotation);
+            }
+        }
+
         return annotations;
     }
 

eternalcore-docs-api/src/main/java/com/eternalcode/annotations/scan/permission/PermissionDocs.java

@@ -6,7 +6,7 @@
 import java.lang.annotation.Target;
 
 @Retention(RetentionPolicy.RUNTIME)
-@Target({ ElementType.TYPE, ElementType.METHOD })
+@Target({ ElementType.TYPE, ElementType.METHOD, ElementType.FIELD })
 public @interface PermissionDocs {
 
     String name() default "";