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amazonka-route53-autonaming-2.0: gen/Amazonka/Route53AutoNaming/ListNamespaces.hs

{-# 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.Route53AutoNaming.ListNamespaces
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Lists summary information about the namespaces that were created by the
-- current Amazon Web Services account.
--
-- This operation returns paginated results.
module Amazonka.Route53AutoNaming.ListNamespaces
  ( -- * Creating a Request
    ListNamespaces (..),
    newListNamespaces,

    -- * Request Lenses
    listNamespaces_filters,
    listNamespaces_maxResults,
    listNamespaces_nextToken,

    -- * Destructuring the Response
    ListNamespacesResponse (..),
    newListNamespacesResponse,

    -- * Response Lenses
    listNamespacesResponse_namespaces,
    listNamespacesResponse_nextToken,
    listNamespacesResponse_httpStatus,
  )
where

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
import Amazonka.Route53AutoNaming.Types

-- | /See:/ 'newListNamespaces' smart constructor.
data ListNamespaces = ListNamespaces'
  { -- | A complex type that contains specifications for the namespaces that you
    -- want to list.
    --
    -- If you specify more than one filter, a namespace must match all filters
    -- to be returned by @ListNamespaces@.
    filters :: Prelude.Maybe [NamespaceFilter],
    -- | The maximum number of namespaces that you want Cloud Map to return in
    -- the response to a @ListNamespaces@ request. If you don\'t specify a
    -- value for @MaxResults@, Cloud Map returns up to 100 namespaces.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | For the first @ListNamespaces@ request, omit this value.
    --
    -- If the response contains @NextToken@, submit another @ListNamespaces@
    -- request to get the next group of results. Specify the value of
    -- @NextToken@ from the previous response in the next request.
    --
    -- Cloud Map gets @MaxResults@ namespaces and then filters them based on
    -- the specified criteria. It\'s possible that no namespaces in the first
    -- @MaxResults@ namespaces matched the specified criteria but that
    -- subsequent groups of @MaxResults@ namespaces do contain namespaces that
    -- match the criteria.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListNamespaces' 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:
--
-- 'filters', 'listNamespaces_filters' - A complex type that contains specifications for the namespaces that you
-- want to list.
--
-- If you specify more than one filter, a namespace must match all filters
-- to be returned by @ListNamespaces@.
--
-- 'maxResults', 'listNamespaces_maxResults' - The maximum number of namespaces that you want Cloud Map to return in
-- the response to a @ListNamespaces@ request. If you don\'t specify a
-- value for @MaxResults@, Cloud Map returns up to 100 namespaces.
--
-- 'nextToken', 'listNamespaces_nextToken' - For the first @ListNamespaces@ request, omit this value.
--
-- If the response contains @NextToken@, submit another @ListNamespaces@
-- request to get the next group of results. Specify the value of
-- @NextToken@ from the previous response in the next request.
--
-- Cloud Map gets @MaxResults@ namespaces and then filters them based on
-- the specified criteria. It\'s possible that no namespaces in the first
-- @MaxResults@ namespaces matched the specified criteria but that
-- subsequent groups of @MaxResults@ namespaces do contain namespaces that
-- match the criteria.
newListNamespaces ::
  ListNamespaces
newListNamespaces =
  ListNamespaces'
    { filters = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | A complex type that contains specifications for the namespaces that you
-- want to list.
--
-- If you specify more than one filter, a namespace must match all filters
-- to be returned by @ListNamespaces@.
listNamespaces_filters :: Lens.Lens' ListNamespaces (Prelude.Maybe [NamespaceFilter])
listNamespaces_filters = Lens.lens (\ListNamespaces' {filters} -> filters) (\s@ListNamespaces' {} a -> s {filters = a} :: ListNamespaces) Prelude.. Lens.mapping Lens.coerced

-- | The maximum number of namespaces that you want Cloud Map to return in
-- the response to a @ListNamespaces@ request. If you don\'t specify a
-- value for @MaxResults@, Cloud Map returns up to 100 namespaces.
listNamespaces_maxResults :: Lens.Lens' ListNamespaces (Prelude.Maybe Prelude.Natural)
listNamespaces_maxResults = Lens.lens (\ListNamespaces' {maxResults} -> maxResults) (\s@ListNamespaces' {} a -> s {maxResults = a} :: ListNamespaces)

-- | For the first @ListNamespaces@ request, omit this value.
--
-- If the response contains @NextToken@, submit another @ListNamespaces@
-- request to get the next group of results. Specify the value of
-- @NextToken@ from the previous response in the next request.
--
-- Cloud Map gets @MaxResults@ namespaces and then filters them based on
-- the specified criteria. It\'s possible that no namespaces in the first
-- @MaxResults@ namespaces matched the specified criteria but that
-- subsequent groups of @MaxResults@ namespaces do contain namespaces that
-- match the criteria.
listNamespaces_nextToken :: Lens.Lens' ListNamespaces (Prelude.Maybe Prelude.Text)
listNamespaces_nextToken = Lens.lens (\ListNamespaces' {nextToken} -> nextToken) (\s@ListNamespaces' {} a -> s {nextToken = a} :: ListNamespaces)

instance Core.AWSPager ListNamespaces where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listNamespacesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listNamespacesResponse_namespaces
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listNamespaces_nextToken
          Lens..~ rs
          Lens.^? listNamespacesResponse_nextToken
          Prelude.. Lens._Just

instance Core.AWSRequest ListNamespaces where
  type
    AWSResponse ListNamespaces =
      ListNamespacesResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          ListNamespacesResponse'
            Prelude.<$> (x Data..?> "Namespaces" Core..!@ Prelude.mempty)
            Prelude.<*> (x Data..?> "NextToken")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable ListNamespaces where
  hashWithSalt _salt ListNamespaces' {..} =
    _salt
      `Prelude.hashWithSalt` filters
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListNamespaces where
  rnf ListNamespaces' {..} =
    Prelude.rnf filters
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

instance Data.ToHeaders ListNamespaces where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "Route53AutoNaming_v20170314.ListNamespaces" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListNamespaces where
  toJSON ListNamespaces' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Filters" Data..=) Prelude.<$> filters,
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken
          ]
      )

instance Data.ToPath ListNamespaces where
  toPath = Prelude.const "/"

instance Data.ToQuery ListNamespaces where
  toQuery = Prelude.const Prelude.mempty

-- | /See:/ 'newListNamespacesResponse' smart constructor.
data ListNamespacesResponse = ListNamespacesResponse'
  { -- | An array that contains one @NamespaceSummary@ object for each namespace
    -- that matches the specified filter criteria.
    namespaces :: Prelude.Maybe [NamespaceSummary],
    -- | If the response contains @NextToken@, submit another @ListNamespaces@
    -- request to get the next group of results. Specify the value of
    -- @NextToken@ from the previous response in the next request.
    --
    -- Cloud Map gets @MaxResults@ namespaces and then filters them based on
    -- the specified criteria. It\'s possible that no namespaces in the first
    -- @MaxResults@ namespaces matched the specified criteria but that
    -- subsequent groups of @MaxResults@ namespaces do contain namespaces that
    -- match the criteria.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListNamespacesResponse' 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:
--
-- 'namespaces', 'listNamespacesResponse_namespaces' - An array that contains one @NamespaceSummary@ object for each namespace
-- that matches the specified filter criteria.
--
-- 'nextToken', 'listNamespacesResponse_nextToken' - If the response contains @NextToken@, submit another @ListNamespaces@
-- request to get the next group of results. Specify the value of
-- @NextToken@ from the previous response in the next request.
--
-- Cloud Map gets @MaxResults@ namespaces and then filters them based on
-- the specified criteria. It\'s possible that no namespaces in the first
-- @MaxResults@ namespaces matched the specified criteria but that
-- subsequent groups of @MaxResults@ namespaces do contain namespaces that
-- match the criteria.
--
-- 'httpStatus', 'listNamespacesResponse_httpStatus' - The response's http status code.
newListNamespacesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListNamespacesResponse
newListNamespacesResponse pHttpStatus_ =
  ListNamespacesResponse'
    { namespaces =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An array that contains one @NamespaceSummary@ object for each namespace
-- that matches the specified filter criteria.
listNamespacesResponse_namespaces :: Lens.Lens' ListNamespacesResponse (Prelude.Maybe [NamespaceSummary])
listNamespacesResponse_namespaces = Lens.lens (\ListNamespacesResponse' {namespaces} -> namespaces) (\s@ListNamespacesResponse' {} a -> s {namespaces = a} :: ListNamespacesResponse) Prelude.. Lens.mapping Lens.coerced

-- | If the response contains @NextToken@, submit another @ListNamespaces@
-- request to get the next group of results. Specify the value of
-- @NextToken@ from the previous response in the next request.
--
-- Cloud Map gets @MaxResults@ namespaces and then filters them based on
-- the specified criteria. It\'s possible that no namespaces in the first
-- @MaxResults@ namespaces matched the specified criteria but that
-- subsequent groups of @MaxResults@ namespaces do contain namespaces that
-- match the criteria.
listNamespacesResponse_nextToken :: Lens.Lens' ListNamespacesResponse (Prelude.Maybe Prelude.Text)
listNamespacesResponse_nextToken = Lens.lens (\ListNamespacesResponse' {nextToken} -> nextToken) (\s@ListNamespacesResponse' {} a -> s {nextToken = a} :: ListNamespacesResponse)

-- | The response's http status code.
listNamespacesResponse_httpStatus :: Lens.Lens' ListNamespacesResponse Prelude.Int
listNamespacesResponse_httpStatus = Lens.lens (\ListNamespacesResponse' {httpStatus} -> httpStatus) (\s@ListNamespacesResponse' {} a -> s {httpStatus = a} :: ListNamespacesResponse)

instance Prelude.NFData ListNamespacesResponse where
  rnf ListNamespacesResponse' {..} =
    Prelude.rnf namespaces
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus