{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

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

-- |
-- Module      : Amazonka.GlobalAccelerator.DescribeListener
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describe a listener.
module Amazonka.GlobalAccelerator.DescribeListener
  ( -- * Creating a Request
    DescribeListener (..),
    newDescribeListener,

    -- * Request Lenses
    describeListener_listenerArn,

    -- * Destructuring the Response
    DescribeListenerResponse (..),
    newDescribeListenerResponse,

    -- * Response Lenses
    describeListenerResponse_listener,
    describeListenerResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.GlobalAccelerator.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeListener' smart constructor.
data DescribeListener = DescribeListener'
  { -- | The Amazon Resource Name (ARN) of the listener to describe.
    DescribeListener -> Text
listenerArn :: Prelude.Text
  }
  deriving (DescribeListener -> DescribeListener -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeListener -> DescribeListener -> Bool
$c/= :: DescribeListener -> DescribeListener -> Bool
== :: DescribeListener -> DescribeListener -> Bool
$c== :: DescribeListener -> DescribeListener -> Bool
Prelude.Eq, ReadPrec [DescribeListener]
ReadPrec DescribeListener
Int -> ReadS DescribeListener
ReadS [DescribeListener]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeListener]
$creadListPrec :: ReadPrec [DescribeListener]
readPrec :: ReadPrec DescribeListener
$creadPrec :: ReadPrec DescribeListener
readList :: ReadS [DescribeListener]
$creadList :: ReadS [DescribeListener]
readsPrec :: Int -> ReadS DescribeListener
$creadsPrec :: Int -> ReadS DescribeListener
Prelude.Read, Int -> DescribeListener -> ShowS
[DescribeListener] -> ShowS
DescribeListener -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeListener] -> ShowS
$cshowList :: [DescribeListener] -> ShowS
show :: DescribeListener -> String
$cshow :: DescribeListener -> String
showsPrec :: Int -> DescribeListener -> ShowS
$cshowsPrec :: Int -> DescribeListener -> ShowS
Prelude.Show, forall x. Rep DescribeListener x -> DescribeListener
forall x. DescribeListener -> Rep DescribeListener x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep DescribeListener x -> DescribeListener
$cfrom :: forall x. DescribeListener -> Rep DescribeListener x
Prelude.Generic)

-- |
-- Create a value of 'DescribeListener' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'listenerArn', 'describeListener_listenerArn' - The Amazon Resource Name (ARN) of the listener to describe.
newDescribeListener ::
  -- | 'listenerArn'
  Prelude.Text ->
  DescribeListener
newDescribeListener :: Text -> DescribeListener
newDescribeListener Text
pListenerArn_ =
  DescribeListener' {$sel:listenerArn:DescribeListener' :: Text
listenerArn = Text
pListenerArn_}

-- | The Amazon Resource Name (ARN) of the listener to describe.
describeListener_listenerArn :: Lens.Lens' DescribeListener Prelude.Text
describeListener_listenerArn :: Lens' DescribeListener Text
describeListener_listenerArn = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeListener' {Text
listenerArn :: Text
$sel:listenerArn:DescribeListener' :: DescribeListener -> Text
listenerArn} -> Text
listenerArn) (\s :: DescribeListener
s@DescribeListener' {} Text
a -> DescribeListener
s {$sel:listenerArn:DescribeListener' :: Text
listenerArn = Text
a} :: DescribeListener)

instance Core.AWSRequest DescribeListener where
  type
    AWSResponse DescribeListener =
      DescribeListenerResponse
  request :: (Service -> Service)
-> DescribeListener -> Request DescribeListener
request Service -> Service
overrides =
    forall a. (ToRequest a, ToJSON a) => Service -> a -> Request a
Request.postJSON (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy DescribeListener
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse DescribeListener)))
response =
    forall (m :: * -> *) a.
MonadResource m =>
(Int -> ResponseHeaders -> Object -> Either String (AWSResponse a))
-> (ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveJSON
      ( \Int
s ResponseHeaders
h Object
x ->
          Maybe Listener -> Int -> DescribeListenerResponse
DescribeListenerResponse'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"Listener")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (forall (f :: * -> *) a. Applicative f => a -> f a
Prelude.pure (forall a. Enum a => a -> Int
Prelude.fromEnum Int
s))
      )

instance Prelude.Hashable DescribeListener where
  hashWithSalt :: Int -> DescribeListener -> Int
hashWithSalt Int
_salt DescribeListener' {Text
listenerArn :: Text
$sel:listenerArn:DescribeListener' :: DescribeListener -> Text
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Text
listenerArn

instance Prelude.NFData DescribeListener where
  rnf :: DescribeListener -> ()
rnf DescribeListener' {Text
listenerArn :: Text
$sel:listenerArn:DescribeListener' :: DescribeListener -> Text
..} = forall a. NFData a => a -> ()
Prelude.rnf Text
listenerArn

instance Data.ToHeaders DescribeListener where
  toHeaders :: DescribeListener -> ResponseHeaders
toHeaders =
    forall a b. a -> b -> a
Prelude.const
      ( forall a. Monoid a => [a] -> a
Prelude.mconcat
          [ HeaderName
"X-Amz-Target"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"GlobalAccelerator_V20180706.DescribeListener" ::
                          Prelude.ByteString
                      ),
            HeaderName
"Content-Type"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeListener where
  toJSON :: DescribeListener -> Value
toJSON DescribeListener' {Text
listenerArn :: Text
$sel:listenerArn:DescribeListener' :: DescribeListener -> Text
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [forall a. a -> Maybe a
Prelude.Just (Key
"ListenerArn" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..= Text
listenerArn)]
      )

instance Data.ToPath DescribeListener where
  toPath :: DescribeListener -> ByteString
toPath = forall a b. a -> b -> a
Prelude.const ByteString
"/"

instance Data.ToQuery DescribeListener where
  toQuery :: DescribeListener -> QueryString
toQuery = forall a b. a -> b -> a
Prelude.const forall a. Monoid a => a
Prelude.mempty

-- | /See:/ 'newDescribeListenerResponse' smart constructor.
data DescribeListenerResponse = DescribeListenerResponse'
  { -- | The description of a listener.
    DescribeListenerResponse -> Maybe Listener
listener :: Prelude.Maybe Listener,
    -- | The response's http status code.
    DescribeListenerResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (DescribeListenerResponse -> DescribeListenerResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeListenerResponse -> DescribeListenerResponse -> Bool
$c/= :: DescribeListenerResponse -> DescribeListenerResponse -> Bool
== :: DescribeListenerResponse -> DescribeListenerResponse -> Bool
$c== :: DescribeListenerResponse -> DescribeListenerResponse -> Bool
Prelude.Eq, ReadPrec [DescribeListenerResponse]
ReadPrec DescribeListenerResponse
Int -> ReadS DescribeListenerResponse
ReadS [DescribeListenerResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeListenerResponse]
$creadListPrec :: ReadPrec [DescribeListenerResponse]
readPrec :: ReadPrec DescribeListenerResponse
$creadPrec :: ReadPrec DescribeListenerResponse
readList :: ReadS [DescribeListenerResponse]
$creadList :: ReadS [DescribeListenerResponse]
readsPrec :: Int -> ReadS DescribeListenerResponse
$creadsPrec :: Int -> ReadS DescribeListenerResponse
Prelude.Read, Int -> DescribeListenerResponse -> ShowS
[DescribeListenerResponse] -> ShowS
DescribeListenerResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeListenerResponse] -> ShowS
$cshowList :: [DescribeListenerResponse] -> ShowS
show :: DescribeListenerResponse -> String
$cshow :: DescribeListenerResponse -> String
showsPrec :: Int -> DescribeListenerResponse -> ShowS
$cshowsPrec :: Int -> DescribeListenerResponse -> ShowS
Prelude.Show, forall x.
Rep DescribeListenerResponse x -> DescribeListenerResponse
forall x.
DescribeListenerResponse -> Rep DescribeListenerResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep DescribeListenerResponse x -> DescribeListenerResponse
$cfrom :: forall x.
DescribeListenerResponse -> Rep DescribeListenerResponse x
Prelude.Generic)

-- |
-- Create a value of 'DescribeListenerResponse' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'listener', 'describeListenerResponse_listener' - The description of a listener.
--
-- 'httpStatus', 'describeListenerResponse_httpStatus' - The response's http status code.
newDescribeListenerResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeListenerResponse
newDescribeListenerResponse :: Int -> DescribeListenerResponse
newDescribeListenerResponse Int
pHttpStatus_ =
  DescribeListenerResponse'
    { $sel:listener:DescribeListenerResponse' :: Maybe Listener
listener =
        forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:DescribeListenerResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | The description of a listener.
describeListenerResponse_listener :: Lens.Lens' DescribeListenerResponse (Prelude.Maybe Listener)
describeListenerResponse_listener :: Lens' DescribeListenerResponse (Maybe Listener)
describeListenerResponse_listener = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeListenerResponse' {Maybe Listener
listener :: Maybe Listener
$sel:listener:DescribeListenerResponse' :: DescribeListenerResponse -> Maybe Listener
listener} -> Maybe Listener
listener) (\s :: DescribeListenerResponse
s@DescribeListenerResponse' {} Maybe Listener
a -> DescribeListenerResponse
s {$sel:listener:DescribeListenerResponse' :: Maybe Listener
listener = Maybe Listener
a} :: DescribeListenerResponse)

-- | The response's http status code.
describeListenerResponse_httpStatus :: Lens.Lens' DescribeListenerResponse Prelude.Int
describeListenerResponse_httpStatus :: Lens' DescribeListenerResponse Int
describeListenerResponse_httpStatus = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeListenerResponse' {Int
httpStatus :: Int
$sel:httpStatus:DescribeListenerResponse' :: DescribeListenerResponse -> Int
httpStatus} -> Int
httpStatus) (\s :: DescribeListenerResponse
s@DescribeListenerResponse' {} Int
a -> DescribeListenerResponse
s {$sel:httpStatus:DescribeListenerResponse' :: Int
httpStatus = Int
a} :: DescribeListenerResponse)

instance Prelude.NFData DescribeListenerResponse where
  rnf :: DescribeListenerResponse -> ()
rnf DescribeListenerResponse' {Int
Maybe Listener
httpStatus :: Int
listener :: Maybe Listener
$sel:httpStatus:DescribeListenerResponse' :: DescribeListenerResponse -> Int
$sel:listener:DescribeListenerResponse' :: DescribeListenerResponse -> Maybe Listener
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Listener
listener
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus