Ejemplo n.º 1
0
 /**
  * Finds method that accessible from specified class.
  *
  * @param method object that represents found method
  * @param generic generic type that is used to find accessible method
  * @return object that represents accessible method
  * @throws NoSuchMethodException if method is not accessible or is not found in specified
  *     superclass or interface
  */
 private static Method findAccessibleMethod(Method method, Type generic)
     throws NoSuchMethodException {
   String name = method.getName();
   Class<?>[] params = method.getParameterTypes();
   if (generic instanceof Class) {
     Class<?> type = (Class<?>) generic;
     return findAccessibleMethod(type.getMethod(name, params));
   }
   if (generic instanceof ParameterizedType) {
     ParameterizedType pt = (ParameterizedType) generic;
     Class<?> type = (Class<?>) pt.getRawType();
     for (Method m : type.getMethods()) {
       if (m.getName().equals(name)) {
         Class<?>[] pts = m.getParameterTypes();
         if (pts.length == params.length) {
           if (Arrays.equals(params, pts)) {
             return findAccessibleMethod(m);
           }
           Type[] gpts = m.getGenericParameterTypes();
           if (params.length == gpts.length) {
             if (Arrays.equals(params, TypeResolver.erase(TypeResolver.resolve(pt, gpts)))) {
               return findAccessibleMethod(m);
             }
           }
         }
       }
     }
   }
   throw new NoSuchMethodException("Method '" + name + "' is not accessible");
 }
Ejemplo n.º 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());
 }
Ejemplo n.º 3
0
 /**
  * Checks validness of the method. The valid method should be public and should have the specified
  * name.
  *
  * @param method the object that represents method
  * @return {@code true} if the method is valid, {@code false} otherwise
  */
 @Override
 protected boolean isValid(Method method) {
   return super.isValid(method) && method.getName().equals(this.name);
 }