{-# 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.Glue.GetCrawlers
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves metadata for all crawlers defined in the customer account.
--
-- This operation returns paginated results.
module Amazonka.Glue.GetCrawlers
  ( -- * Creating a Request
    GetCrawlers (..),
    newGetCrawlers,

    -- * Request Lenses
    getCrawlers_maxResults,
    getCrawlers_nextToken,

    -- * Destructuring the Response
    GetCrawlersResponse (..),
    newGetCrawlersResponse,

    -- * Response Lenses
    getCrawlersResponse_crawlers,
    getCrawlersResponse_nextToken,
    getCrawlersResponse_httpStatus,
  )
where

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

-- | /See:/ 'newGetCrawlers' smart constructor.
data GetCrawlers = GetCrawlers'
  { -- | The number of crawlers to return on each call.
    GetCrawlers -> Maybe Natural
maxResults :: Prelude.Maybe Prelude.Natural,
    -- | A continuation token, if this is a continuation request.
    GetCrawlers -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (GetCrawlers -> GetCrawlers -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: GetCrawlers -> GetCrawlers -> Bool
$c/= :: GetCrawlers -> GetCrawlers -> Bool
== :: GetCrawlers -> GetCrawlers -> Bool
$c== :: GetCrawlers -> GetCrawlers -> Bool
Prelude.Eq, ReadPrec [GetCrawlers]
ReadPrec GetCrawlers
Int -> ReadS GetCrawlers
ReadS [GetCrawlers]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [GetCrawlers]
$creadListPrec :: ReadPrec [GetCrawlers]
readPrec :: ReadPrec GetCrawlers
$creadPrec :: ReadPrec GetCrawlers
readList :: ReadS [GetCrawlers]
$creadList :: ReadS [GetCrawlers]
readsPrec :: Int -> ReadS GetCrawlers
$creadsPrec :: Int -> ReadS GetCrawlers
Prelude.Read, Int -> GetCrawlers -> ShowS
[GetCrawlers] -> ShowS
GetCrawlers -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [GetCrawlers] -> ShowS
$cshowList :: [GetCrawlers] -> ShowS
show :: GetCrawlers -> String
$cshow :: GetCrawlers -> String
showsPrec :: Int -> GetCrawlers -> ShowS
$cshowsPrec :: Int -> GetCrawlers -> ShowS
Prelude.Show, forall x. Rep GetCrawlers x -> GetCrawlers
forall x. GetCrawlers -> Rep GetCrawlers x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep GetCrawlers x -> GetCrawlers
$cfrom :: forall x. GetCrawlers -> Rep GetCrawlers x
Prelude.Generic)

-- |
-- Create a value of 'GetCrawlers' 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:
--
-- 'maxResults', 'getCrawlers_maxResults' - The number of crawlers to return on each call.
--
-- 'nextToken', 'getCrawlers_nextToken' - A continuation token, if this is a continuation request.
newGetCrawlers ::
  GetCrawlers
newGetCrawlers :: GetCrawlers
newGetCrawlers =
  GetCrawlers'
    { $sel:maxResults:GetCrawlers' :: Maybe Natural
maxResults = forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:GetCrawlers' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing
    }

-- | The number of crawlers to return on each call.
getCrawlers_maxResults :: Lens.Lens' GetCrawlers (Prelude.Maybe Prelude.Natural)
getCrawlers_maxResults :: Lens' GetCrawlers (Maybe Natural)
getCrawlers_maxResults = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\GetCrawlers' {Maybe Natural
maxResults :: Maybe Natural
$sel:maxResults:GetCrawlers' :: GetCrawlers -> Maybe Natural
maxResults} -> Maybe Natural
maxResults) (\s :: GetCrawlers
s@GetCrawlers' {} Maybe Natural
a -> GetCrawlers
s {$sel:maxResults:GetCrawlers' :: Maybe Natural
maxResults = Maybe Natural
a} :: GetCrawlers)

-- | A continuation token, if this is a continuation request.
getCrawlers_nextToken :: Lens.Lens' GetCrawlers (Prelude.Maybe Prelude.Text)
getCrawlers_nextToken :: Lens' GetCrawlers (Maybe Text)
getCrawlers_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\GetCrawlers' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:GetCrawlers' :: GetCrawlers -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: GetCrawlers
s@GetCrawlers' {} Maybe Text
a -> GetCrawlers
s {$sel:nextToken:GetCrawlers' :: Maybe Text
nextToken = Maybe Text
a} :: GetCrawlers)

instance Core.AWSPager GetCrawlers where
  page :: GetCrawlers -> AWSResponse GetCrawlers -> Maybe GetCrawlers
page GetCrawlers
rq AWSResponse GetCrawlers
rs
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse GetCrawlers
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' GetCrawlersResponse (Maybe Text)
getCrawlersResponse_nextToken
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse GetCrawlers
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' GetCrawlersResponse (Maybe [Crawler])
getCrawlersResponse_crawlers
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | Bool
Prelude.otherwise =
        forall a. a -> Maybe a
Prelude.Just
          forall a b. (a -> b) -> a -> b
Prelude.$ GetCrawlers
rq
          forall a b. a -> (a -> b) -> b
Prelude.& Lens' GetCrawlers (Maybe Text)
getCrawlers_nextToken
          forall s t a b. ASetter s t a b -> b -> s -> t
Lens..~ AWSResponse GetCrawlers
rs
          forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' GetCrawlersResponse (Maybe Text)
getCrawlersResponse_nextToken
          forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just

instance Core.AWSRequest GetCrawlers where
  type AWSResponse GetCrawlers = GetCrawlersResponse
  request :: (Service -> Service) -> GetCrawlers -> Request GetCrawlers
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 GetCrawlers
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse GetCrawlers)))
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 [Crawler] -> Maybe Text -> Int -> GetCrawlersResponse
GetCrawlersResponse'
            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
"Crawlers" forall (f :: * -> *) a. Functor f => f (Maybe a) -> a -> f a
Core..!@ forall a. Monoid a => a
Prelude.mempty)
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"NextToken")
            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 GetCrawlers where
  hashWithSalt :: Int -> GetCrawlers -> Int
hashWithSalt Int
_salt GetCrawlers' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:GetCrawlers' :: GetCrawlers -> Maybe Text
$sel:maxResults:GetCrawlers' :: GetCrawlers -> Maybe Natural
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Natural
maxResults
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
nextToken

instance Prelude.NFData GetCrawlers where
  rnf :: GetCrawlers -> ()
rnf GetCrawlers' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:GetCrawlers' :: GetCrawlers -> Maybe Text
$sel:maxResults:GetCrawlers' :: GetCrawlers -> Maybe Natural
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Natural
maxResults
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
nextToken

instance Data.ToHeaders GetCrawlers where
  toHeaders :: GetCrawlers -> 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
"AWSGlue.GetCrawlers" :: 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 GetCrawlers where
  toJSON :: GetCrawlers -> Value
toJSON GetCrawlers' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:GetCrawlers' :: GetCrawlers -> Maybe Text
$sel:maxResults:GetCrawlers' :: GetCrawlers -> Maybe Natural
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ (Key
"MaxResults" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Natural
maxResults,
            (Key
"NextToken" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Text
nextToken
          ]
      )

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

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

-- | /See:/ 'newGetCrawlersResponse' smart constructor.
data GetCrawlersResponse = GetCrawlersResponse'
  { -- | A list of crawler metadata.
    GetCrawlersResponse -> Maybe [Crawler]
crawlers :: Prelude.Maybe [Crawler],
    -- | A continuation token, if the returned list has not reached the end of
    -- those defined in this customer account.
    GetCrawlersResponse -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    GetCrawlersResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (GetCrawlersResponse -> GetCrawlersResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: GetCrawlersResponse -> GetCrawlersResponse -> Bool
$c/= :: GetCrawlersResponse -> GetCrawlersResponse -> Bool
== :: GetCrawlersResponse -> GetCrawlersResponse -> Bool
$c== :: GetCrawlersResponse -> GetCrawlersResponse -> Bool
Prelude.Eq, ReadPrec [GetCrawlersResponse]
ReadPrec GetCrawlersResponse
Int -> ReadS GetCrawlersResponse
ReadS [GetCrawlersResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [GetCrawlersResponse]
$creadListPrec :: ReadPrec [GetCrawlersResponse]
readPrec :: ReadPrec GetCrawlersResponse
$creadPrec :: ReadPrec GetCrawlersResponse
readList :: ReadS [GetCrawlersResponse]
$creadList :: ReadS [GetCrawlersResponse]
readsPrec :: Int -> ReadS GetCrawlersResponse
$creadsPrec :: Int -> ReadS GetCrawlersResponse
Prelude.Read, Int -> GetCrawlersResponse -> ShowS
[GetCrawlersResponse] -> ShowS
GetCrawlersResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [GetCrawlersResponse] -> ShowS
$cshowList :: [GetCrawlersResponse] -> ShowS
show :: GetCrawlersResponse -> String
$cshow :: GetCrawlersResponse -> String
showsPrec :: Int -> GetCrawlersResponse -> ShowS
$cshowsPrec :: Int -> GetCrawlersResponse -> ShowS
Prelude.Show, forall x. Rep GetCrawlersResponse x -> GetCrawlersResponse
forall x. GetCrawlersResponse -> Rep GetCrawlersResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep GetCrawlersResponse x -> GetCrawlersResponse
$cfrom :: forall x. GetCrawlersResponse -> Rep GetCrawlersResponse x
Prelude.Generic)

-- |
-- Create a value of 'GetCrawlersResponse' 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:
--
-- 'crawlers', 'getCrawlersResponse_crawlers' - A list of crawler metadata.
--
-- 'nextToken', 'getCrawlersResponse_nextToken' - A continuation token, if the returned list has not reached the end of
-- those defined in this customer account.
--
-- 'httpStatus', 'getCrawlersResponse_httpStatus' - The response's http status code.
newGetCrawlersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetCrawlersResponse
newGetCrawlersResponse :: Int -> GetCrawlersResponse
newGetCrawlersResponse Int
pHttpStatus_ =
  GetCrawlersResponse'
    { $sel:crawlers:GetCrawlersResponse' :: Maybe [Crawler]
crawlers = forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:GetCrawlersResponse' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:GetCrawlersResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | A list of crawler metadata.
getCrawlersResponse_crawlers :: Lens.Lens' GetCrawlersResponse (Prelude.Maybe [Crawler])
getCrawlersResponse_crawlers :: Lens' GetCrawlersResponse (Maybe [Crawler])
getCrawlersResponse_crawlers = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\GetCrawlersResponse' {Maybe [Crawler]
crawlers :: Maybe [Crawler]
$sel:crawlers:GetCrawlersResponse' :: GetCrawlersResponse -> Maybe [Crawler]
crawlers} -> Maybe [Crawler]
crawlers) (\s :: GetCrawlersResponse
s@GetCrawlersResponse' {} Maybe [Crawler]
a -> GetCrawlersResponse
s {$sel:crawlers:GetCrawlersResponse' :: Maybe [Crawler]
crawlers = Maybe [Crawler]
a} :: GetCrawlersResponse) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

-- | A continuation token, if the returned list has not reached the end of
-- those defined in this customer account.
getCrawlersResponse_nextToken :: Lens.Lens' GetCrawlersResponse (Prelude.Maybe Prelude.Text)
getCrawlersResponse_nextToken :: Lens' GetCrawlersResponse (Maybe Text)
getCrawlersResponse_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\GetCrawlersResponse' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:GetCrawlersResponse' :: GetCrawlersResponse -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: GetCrawlersResponse
s@GetCrawlersResponse' {} Maybe Text
a -> GetCrawlersResponse
s {$sel:nextToken:GetCrawlersResponse' :: Maybe Text
nextToken = Maybe Text
a} :: GetCrawlersResponse)

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

instance Prelude.NFData GetCrawlersResponse where
  rnf :: GetCrawlersResponse -> ()
rnf GetCrawlersResponse' {Int
Maybe [Crawler]
Maybe Text
httpStatus :: Int
nextToken :: Maybe Text
crawlers :: Maybe [Crawler]
$sel:httpStatus:GetCrawlersResponse' :: GetCrawlersResponse -> Int
$sel:nextToken:GetCrawlersResponse' :: GetCrawlersResponse -> Maybe Text
$sel:crawlers:GetCrawlersResponse' :: GetCrawlersResponse -> Maybe [Crawler]
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe [Crawler]
crawlers
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
nextToken
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus