private void validateResolvableType(int p, Type type) { if (Utils.hasUnresolvableType(type)) { throw parameterError(method, p, "Parameter type must not include a type variable or wildcard: %s", type); } }
static boolean hasUnresolvableType(@Nullable Type type) { if (type instanceof Class<?>) { return false; } if (type instanceof ParameterizedType) { ParameterizedType parameterizedType = (ParameterizedType) type; for (Type typeArgument : parameterizedType.getActualTypeArguments()) { if (hasUnresolvableType(typeArgument)) { return true; } } return false; } if (type instanceof GenericArrayType) { return hasUnresolvableType(((GenericArrayType) type).getGenericComponentType()); } if (type instanceof TypeVariable) { return true; } if (type instanceof WildcardType) { return true; } String className = type == null ? "null" : type.getClass().getName(); throw new IllegalArgumentException("Expected a Class, ParameterizedType, or " + "GenericArrayType, but <" + type + "> is of type " + className); }
private void validateResolvableType(int p, Type type) { if (Utils.hasUnresolvableType(type)) { throw parameterError(method, p, "Parameter type must not include a type variable or wildcard: %s", type); } }
static <T> ServiceMethod<T> parseAnnotations(Retrofit retrofit, Method method) { RequestFactory requestFactory = RequestFactory.parseAnnotations(retrofit, method); Type returnType = method.getGenericReturnType(); if (Utils.hasUnresolvableType(returnType)) { throw methodError(method, "Method return type must not include a type variable or wildcard: %s", returnType); } if (returnType == void.class) { throw methodError(method, "Service methods cannot return void."); } return HttpServiceMethod.parseAnnotations(retrofit, method, requestFactory); }
static boolean hasUnresolvableType(@Nullable Type type) { if (type instanceof Class<?>) { return false; } if (type instanceof ParameterizedType) { ParameterizedType parameterizedType = (ParameterizedType) type; for (Type typeArgument : parameterizedType.getActualTypeArguments()) { if (hasUnresolvableType(typeArgument)) { return true; } } return false; } if (type instanceof GenericArrayType) { return hasUnresolvableType(((GenericArrayType) type).getGenericComponentType()); } if (type instanceof TypeVariable) { return true; } if (type instanceof WildcardType) { return true; } String className = type == null ? "null" : type.getClass().getName(); throw new IllegalArgumentException("Expected a Class, ParameterizedType, or " + "GenericArrayType, but <" + type + "> is of type " + className); }
static <T> ServiceMethod<T> parseAnnotations(Retrofit retrofit, Method method) { RequestFactory requestFactory = RequestFactory.parseAnnotations(retrofit, method); Type returnType = method.getGenericReturnType(); if (Utils.hasUnresolvableType(returnType)) { throw methodError(method, "Method return type must not include a type variable or wildcard: %s", returnType); } if (returnType == void.class) { throw methodError(method, "Service methods cannot return void."); } return HttpServiceMethod.parseAnnotations(retrofit, method, requestFactory); }