Beispiel #1
0
 /**
  * Finds public non-static method that is accessible from public class.
  *
  * @param type the class that can have method
  * @param name the name of method to find
  * @param args parameter types that is used to find method
  * @return object that represents found method
  * @throws NoSuchMethodException if method could not be found or some methods are found
  */
 public static Method findInstanceMethod(Class<?> type, String name, Class<?>... args)
     throws NoSuchMethodException {
   Method method = findMethod(type, name, args);
   if (Modifier.isStatic(method.getModifiers())) {
     throw new NoSuchMethodException("Method '" + name + "' is static");
   }
   return method;
 }
Beispiel #2
0
 /**
  * Finds method that is accessible from public class or interface through class hierarchy.
  *
  * @param method object that represents found method
  * @return object that represents accessible method
  * @throws NoSuchMethodException if method is not accessible or is not found in specified
  *     superclass or interface
  */
 public static Method findAccessibleMethod(Method method) throws NoSuchMethodException {
   Class<?> type = method.getDeclaringClass();
   if (Modifier.isPublic(type.getModifiers()) && isPackageAccessible(type)) {
     return method;
   }
   if (Modifier.isStatic(method.getModifiers())) {
     throw new NoSuchMethodException("Method '" + method.getName() + "' is not accessible");
   }
   for (Type generic : type.getGenericInterfaces()) {
     try {
       return findAccessibleMethod(method, generic);
     } catch (NoSuchMethodException exception) {
       // try to find in superclass or another interface
     }
   }
   return findAccessibleMethod(method, type.getGenericSuperclass());
 }