{-# 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.CloudWatch.ListMetricStreams
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns a list of metric streams in this account.
module Amazonka.CloudWatch.ListMetricStreams
  ( -- * Creating a Request
    ListMetricStreams (..),
    newListMetricStreams,

    -- * Request Lenses
    listMetricStreams_maxResults,
    listMetricStreams_nextToken,

    -- * Destructuring the Response
    ListMetricStreamsResponse (..),
    newListMetricStreamsResponse,

    -- * Response Lenses
    listMetricStreamsResponse_entries,
    listMetricStreamsResponse_nextToken,
    listMetricStreamsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListMetricStreams' smart constructor.
data ListMetricStreams = ListMetricStreams'
  { -- | The maximum number of results to return in one operation.
    ListMetricStreams -> Maybe Natural
maxResults :: Prelude.Maybe Prelude.Natural,
    -- | Include this value, if it was returned by the previous call, to get the
    -- next set of metric streams.
    ListMetricStreams -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (ListMetricStreams -> ListMetricStreams -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ListMetricStreams -> ListMetricStreams -> Bool
$c/= :: ListMetricStreams -> ListMetricStreams -> Bool
== :: ListMetricStreams -> ListMetricStreams -> Bool
$c== :: ListMetricStreams -> ListMetricStreams -> Bool
Prelude.Eq, ReadPrec [ListMetricStreams]
ReadPrec ListMetricStreams
Int -> ReadS ListMetricStreams
ReadS [ListMetricStreams]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [ListMetricStreams]
$creadListPrec :: ReadPrec [ListMetricStreams]
readPrec :: ReadPrec ListMetricStreams
$creadPrec :: ReadPrec ListMetricStreams
readList :: ReadS [ListMetricStreams]
$creadList :: ReadS [ListMetricStreams]
readsPrec :: Int -> ReadS ListMetricStreams
$creadsPrec :: Int -> ReadS ListMetricStreams
Prelude.Read, Int -> ListMetricStreams -> ShowS
[ListMetricStreams] -> ShowS
ListMetricStreams -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListMetricStreams] -> ShowS
$cshowList :: [ListMetricStreams] -> ShowS
show :: ListMetricStreams -> String
$cshow :: ListMetricStreams -> String
showsPrec :: Int -> ListMetricStreams -> ShowS
$cshowsPrec :: Int -> ListMetricStreams -> ShowS
Prelude.Show, forall x. Rep ListMetricStreams x -> ListMetricStreams
forall x. ListMetricStreams -> Rep ListMetricStreams x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep ListMetricStreams x -> ListMetricStreams
$cfrom :: forall x. ListMetricStreams -> Rep ListMetricStreams x
Prelude.Generic)

-- |
-- Create a value of 'ListMetricStreams' 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', 'listMetricStreams_maxResults' - The maximum number of results to return in one operation.
--
-- 'nextToken', 'listMetricStreams_nextToken' - Include this value, if it was returned by the previous call, to get the
-- next set of metric streams.
newListMetricStreams ::
  ListMetricStreams
newListMetricStreams :: ListMetricStreams
newListMetricStreams =
  ListMetricStreams'
    { $sel:maxResults:ListMetricStreams' :: Maybe Natural
maxResults = forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:ListMetricStreams' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing
    }

-- | The maximum number of results to return in one operation.
listMetricStreams_maxResults :: Lens.Lens' ListMetricStreams (Prelude.Maybe Prelude.Natural)
listMetricStreams_maxResults :: Lens' ListMetricStreams (Maybe Natural)
listMetricStreams_maxResults = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListMetricStreams' {Maybe Natural
maxResults :: Maybe Natural
$sel:maxResults:ListMetricStreams' :: ListMetricStreams -> Maybe Natural
maxResults} -> Maybe Natural
maxResults) (\s :: ListMetricStreams
s@ListMetricStreams' {} Maybe Natural
a -> ListMetricStreams
s {$sel:maxResults:ListMetricStreams' :: Maybe Natural
maxResults = Maybe Natural
a} :: ListMetricStreams)

-- | Include this value, if it was returned by the previous call, to get the
-- next set of metric streams.
listMetricStreams_nextToken :: Lens.Lens' ListMetricStreams (Prelude.Maybe Prelude.Text)
listMetricStreams_nextToken :: Lens' ListMetricStreams (Maybe Text)
listMetricStreams_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListMetricStreams' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:ListMetricStreams' :: ListMetricStreams -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: ListMetricStreams
s@ListMetricStreams' {} Maybe Text
a -> ListMetricStreams
s {$sel:nextToken:ListMetricStreams' :: Maybe Text
nextToken = Maybe Text
a} :: ListMetricStreams)

instance Core.AWSRequest ListMetricStreams where
  type
    AWSResponse ListMetricStreams =
      ListMetricStreamsResponse
  request :: (Service -> Service)
-> ListMetricStreams -> Request ListMetricStreams
request Service -> Service
overrides =
    forall a. ToRequest a => Service -> a -> Request a
Request.postQuery (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy ListMetricStreams
-> ClientResponse ClientBody
-> m (Either
        Error (ClientResponse (AWSResponse ListMetricStreams)))
response =
    forall (m :: * -> *) a.
MonadResource m =>
Text
-> (Int
    -> ResponseHeaders -> [Node] -> Either String (AWSResponse a))
-> (ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveXMLWrapper
      Text
"ListMetricStreamsResult"
      ( \Int
s ResponseHeaders
h [Node]
x ->
          Maybe [MetricStreamEntry]
-> Maybe Text -> Int -> ListMetricStreamsResponse
ListMetricStreamsResponse'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> ( [Node]
x
                            forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Data..@? Text
"Entries"
                            forall (f :: * -> *) a. Functor f => f (Maybe a) -> a -> f a
Core..!@ forall a. Monoid a => a
Prelude.mempty
                            forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
Prelude.>>= forall (f :: * -> *) a b.
Applicative f =>
([a] -> f b) -> [a] -> f (Maybe b)
Core.may (forall a. FromXML a => Text -> [Node] -> Either String [a]
Data.parseXMLList Text
"member")
                        )
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> ([Node]
x forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Data..@? Text
"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 ListMetricStreams where
  hashWithSalt :: Int -> ListMetricStreams -> Int
hashWithSalt Int
_salt ListMetricStreams' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:ListMetricStreams' :: ListMetricStreams -> Maybe Text
$sel:maxResults:ListMetricStreams' :: ListMetricStreams -> 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 ListMetricStreams where
  rnf :: ListMetricStreams -> ()
rnf ListMetricStreams' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:ListMetricStreams' :: ListMetricStreams -> Maybe Text
$sel:maxResults:ListMetricStreams' :: ListMetricStreams -> 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 ListMetricStreams where
  toHeaders :: ListMetricStreams -> ResponseHeaders
toHeaders = forall a b. a -> b -> a
Prelude.const forall a. Monoid a => a
Prelude.mempty

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

instance Data.ToQuery ListMetricStreams where
  toQuery :: ListMetricStreams -> QueryString
toQuery ListMetricStreams' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:ListMetricStreams' :: ListMetricStreams -> Maybe Text
$sel:maxResults:ListMetricStreams' :: ListMetricStreams -> Maybe Natural
..} =
    forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ ByteString
"Action"
          forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: (ByteString
"ListMetricStreams" :: Prelude.ByteString),
        ByteString
"Version"
          forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: (ByteString
"2010-08-01" :: Prelude.ByteString),
        ByteString
"MaxResults" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Natural
maxResults,
        ByteString
"NextToken" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Text
nextToken
      ]

-- | /See:/ 'newListMetricStreamsResponse' smart constructor.
data ListMetricStreamsResponse = ListMetricStreamsResponse'
  { -- | The array of metric stream information.
    ListMetricStreamsResponse -> Maybe [MetricStreamEntry]
entries :: Prelude.Maybe [MetricStreamEntry],
    -- | The token that marks the start of the next batch of returned results.
    -- You can use this token in a subsequent operation to get the next batch
    -- of results.
    ListMetricStreamsResponse -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    ListMetricStreamsResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (ListMetricStreamsResponse -> ListMetricStreamsResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ListMetricStreamsResponse -> ListMetricStreamsResponse -> Bool
$c/= :: ListMetricStreamsResponse -> ListMetricStreamsResponse -> Bool
== :: ListMetricStreamsResponse -> ListMetricStreamsResponse -> Bool
$c== :: ListMetricStreamsResponse -> ListMetricStreamsResponse -> Bool
Prelude.Eq, ReadPrec [ListMetricStreamsResponse]
ReadPrec ListMetricStreamsResponse
Int -> ReadS ListMetricStreamsResponse
ReadS [ListMetricStreamsResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [ListMetricStreamsResponse]
$creadListPrec :: ReadPrec [ListMetricStreamsResponse]
readPrec :: ReadPrec ListMetricStreamsResponse
$creadPrec :: ReadPrec ListMetricStreamsResponse
readList :: ReadS [ListMetricStreamsResponse]
$creadList :: ReadS [ListMetricStreamsResponse]
readsPrec :: Int -> ReadS ListMetricStreamsResponse
$creadsPrec :: Int -> ReadS ListMetricStreamsResponse
Prelude.Read, Int -> ListMetricStreamsResponse -> ShowS
[ListMetricStreamsResponse] -> ShowS
ListMetricStreamsResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListMetricStreamsResponse] -> ShowS
$cshowList :: [ListMetricStreamsResponse] -> ShowS
show :: ListMetricStreamsResponse -> String
$cshow :: ListMetricStreamsResponse -> String
showsPrec :: Int -> ListMetricStreamsResponse -> ShowS
$cshowsPrec :: Int -> ListMetricStreamsResponse -> ShowS
Prelude.Show, forall x.
Rep ListMetricStreamsResponse x -> ListMetricStreamsResponse
forall x.
ListMetricStreamsResponse -> Rep ListMetricStreamsResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep ListMetricStreamsResponse x -> ListMetricStreamsResponse
$cfrom :: forall x.
ListMetricStreamsResponse -> Rep ListMetricStreamsResponse x
Prelude.Generic)

-- |
-- Create a value of 'ListMetricStreamsResponse' 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:
--
-- 'entries', 'listMetricStreamsResponse_entries' - The array of metric stream information.
--
-- 'nextToken', 'listMetricStreamsResponse_nextToken' - The token that marks the start of the next batch of returned results.
-- You can use this token in a subsequent operation to get the next batch
-- of results.
--
-- 'httpStatus', 'listMetricStreamsResponse_httpStatus' - The response's http status code.
newListMetricStreamsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListMetricStreamsResponse
newListMetricStreamsResponse :: Int -> ListMetricStreamsResponse
newListMetricStreamsResponse Int
pHttpStatus_ =
  ListMetricStreamsResponse'
    { $sel:entries:ListMetricStreamsResponse' :: Maybe [MetricStreamEntry]
entries =
        forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:ListMetricStreamsResponse' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:ListMetricStreamsResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | The array of metric stream information.
listMetricStreamsResponse_entries :: Lens.Lens' ListMetricStreamsResponse (Prelude.Maybe [MetricStreamEntry])
listMetricStreamsResponse_entries :: Lens' ListMetricStreamsResponse (Maybe [MetricStreamEntry])
listMetricStreamsResponse_entries = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListMetricStreamsResponse' {Maybe [MetricStreamEntry]
entries :: Maybe [MetricStreamEntry]
$sel:entries:ListMetricStreamsResponse' :: ListMetricStreamsResponse -> Maybe [MetricStreamEntry]
entries} -> Maybe [MetricStreamEntry]
entries) (\s :: ListMetricStreamsResponse
s@ListMetricStreamsResponse' {} Maybe [MetricStreamEntry]
a -> ListMetricStreamsResponse
s {$sel:entries:ListMetricStreamsResponse' :: Maybe [MetricStreamEntry]
entries = Maybe [MetricStreamEntry]
a} :: ListMetricStreamsResponse) 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

-- | The token that marks the start of the next batch of returned results.
-- You can use this token in a subsequent operation to get the next batch
-- of results.
listMetricStreamsResponse_nextToken :: Lens.Lens' ListMetricStreamsResponse (Prelude.Maybe Prelude.Text)
listMetricStreamsResponse_nextToken :: Lens' ListMetricStreamsResponse (Maybe Text)
listMetricStreamsResponse_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListMetricStreamsResponse' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:ListMetricStreamsResponse' :: ListMetricStreamsResponse -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: ListMetricStreamsResponse
s@ListMetricStreamsResponse' {} Maybe Text
a -> ListMetricStreamsResponse
s {$sel:nextToken:ListMetricStreamsResponse' :: Maybe Text
nextToken = Maybe Text
a} :: ListMetricStreamsResponse)

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

instance Prelude.NFData ListMetricStreamsResponse where
  rnf :: ListMetricStreamsResponse -> ()
rnf ListMetricStreamsResponse' {Int
Maybe [MetricStreamEntry]
Maybe Text
httpStatus :: Int
nextToken :: Maybe Text
entries :: Maybe [MetricStreamEntry]
$sel:httpStatus:ListMetricStreamsResponse' :: ListMetricStreamsResponse -> Int
$sel:nextToken:ListMetricStreamsResponse' :: ListMetricStreamsResponse -> Maybe Text
$sel:entries:ListMetricStreamsResponse' :: ListMetricStreamsResponse -> Maybe [MetricStreamEntry]
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe [MetricStreamEntry]
entries
      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