ListWebACLs.hs

{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric      #-}
{-# LANGUAGE OverloadedStrings  #-}
{-# LANGUAGE RecordWildCards    #-}
{-# LANGUAGE TypeFamilies       #-}

{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-binds   #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Network.AWS.WAF.ListWebACLs
-- Copyright   : (c) 2013-2015 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns an array of WebACLSummary objects in the response.
--
-- /See:/ <http://docs.aws.amazon.com/waf/latest/APIReference/API_ListWebACLs.html AWS API Reference> for ListWebACLs.
module Network.AWS.WAF.ListWebACLs
    (
    -- * Creating a Request
      listWebACLs
    , ListWebACLs
    -- * Request Lenses
    , lwaNextMarker
    , lwaLimit

    -- * Destructuring the Response
    , listWebACLsResponse
    , ListWebACLsResponse
    -- * Response Lenses
    , lwarsWebACLs
    , lwarsNextMarker
    , lwarsResponseStatus
    ) where

import           Network.AWS.Lens
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response
import           Network.AWS.WAF.Types
import           Network.AWS.WAF.Types.Product

-- | /See:/ 'listWebACLs' smart constructor.
data ListWebACLs = ListWebACLs'
    { _lwaNextMarker :: !(Maybe Text)
    , _lwaLimit      :: !Nat
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListWebACLs' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lwaNextMarker'
--
-- * 'lwaLimit'
listWebACLs
    :: Natural -- ^ 'lwaLimit'
    -> ListWebACLs
listWebACLs pLimit_ =
    ListWebACLs'
    { _lwaNextMarker = Nothing
    , _lwaLimit = _Nat # pLimit_
    }

-- | If you specify a value for 'Limit' and you have more 'WebACL' objects
-- than the number that you specify for 'Limit', AWS WAF returns a
-- 'NextMarker' value in the response that allows you to list another group
-- of 'WebACL' objects. For the second and subsequent 'ListWebACLs'
-- requests, specify the value of 'NextMarker' from the previous response
-- to get information about another batch of 'WebACL' objects.
lwaNextMarker :: Lens' ListWebACLs (Maybe Text)
lwaNextMarker = lens _lwaNextMarker (\ s a -> s{_lwaNextMarker = a});

-- | Specifies the number of 'WebACL' objects that you want AWS WAF to return
-- for this request. If you have more 'WebACL' objects than the number that
-- you specify for 'Limit', the response includes a 'NextMarker' value that
-- you can use to get another batch of 'WebACL' objects.
lwaLimit :: Lens' ListWebACLs Natural
lwaLimit = lens _lwaLimit (\ s a -> s{_lwaLimit = a}) . _Nat;

instance AWSRequest ListWebACLs where
        type Rs ListWebACLs = ListWebACLsResponse
        request = postJSON wAF
        response
          = receiveJSON
              (\ s h x ->
                 ListWebACLsResponse' <$>
                   (x .?> "WebACLs" .!@ mempty) <*> (x .?> "NextMarker")
                     <*> (pure (fromEnum s)))

instance ToHeaders ListWebACLs where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("AWSWAF_20150824.ListWebACLs" :: ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON ListWebACLs where
        toJSON ListWebACLs'{..}
          = object
              (catMaybes
                 [("NextMarker" .=) <$> _lwaNextMarker,
                  Just ("Limit" .= _lwaLimit)])

instance ToPath ListWebACLs where
        toPath = const "/"

instance ToQuery ListWebACLs where
        toQuery = const mempty

-- | /See:/ 'listWebACLsResponse' smart constructor.
data ListWebACLsResponse = ListWebACLsResponse'
    { _lwarsWebACLs        :: !(Maybe [WebACLSummary])
    , _lwarsNextMarker     :: !(Maybe Text)
    , _lwarsResponseStatus :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListWebACLsResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lwarsWebACLs'
--
-- * 'lwarsNextMarker'
--
-- * 'lwarsResponseStatus'
listWebACLsResponse
    :: Int -- ^ 'lwarsResponseStatus'
    -> ListWebACLsResponse
listWebACLsResponse pResponseStatus_ =
    ListWebACLsResponse'
    { _lwarsWebACLs = Nothing
    , _lwarsNextMarker = Nothing
    , _lwarsResponseStatus = pResponseStatus_
    }

-- | An array of WebACLSummary objects.
lwarsWebACLs :: Lens' ListWebACLsResponse [WebACLSummary]
lwarsWebACLs = lens _lwarsWebACLs (\ s a -> s{_lwarsWebACLs = a}) . _Default . _Coerce;

-- | If you have more 'WebACL' objects than the number that you specified for
-- 'Limit' in the request, the response includes a 'NextMarker' value. To
-- list more 'WebACL' objects, submit another 'ListWebACLs' request, and
-- specify the 'NextMarker' value from the response in the 'NextMarker'
-- value in the next request.
lwarsNextMarker :: Lens' ListWebACLsResponse (Maybe Text)
lwarsNextMarker = lens _lwarsNextMarker (\ s a -> s{_lwarsNextMarker = a});

-- | The response status code.
lwarsResponseStatus :: Lens' ListWebACLsResponse Int
lwarsResponseStatus = lens _lwarsResponseStatus (\ s a -> s{_lwarsResponseStatus = a});