{-# 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.EMRServerless.GetApplication
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Displays detailed information about a specified application.
module Amazonka.EMRServerless.GetApplication
  ( -- * Creating a Request
    GetApplication (..),
    newGetApplication,

    -- * Request Lenses
    getApplication_applicationId,

    -- * Destructuring the Response
    GetApplicationResponse (..),
    newGetApplicationResponse,

    -- * Response Lenses
    getApplicationResponse_httpStatus,
    getApplicationResponse_application,
  )
where

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

-- | /See:/ 'newGetApplication' smart constructor.
data GetApplication = GetApplication'
  { -- | The ID of the application that will be described.
    applicationId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetApplication' 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:
--
-- 'applicationId', 'getApplication_applicationId' - The ID of the application that will be described.
newGetApplication ::
  -- | 'applicationId'
  Prelude.Text ->
  GetApplication
newGetApplication pApplicationId_ =
  GetApplication' {applicationId = pApplicationId_}

-- | The ID of the application that will be described.
getApplication_applicationId :: Lens.Lens' GetApplication Prelude.Text
getApplication_applicationId = Lens.lens (\GetApplication' {applicationId} -> applicationId) (\s@GetApplication' {} a -> s {applicationId = a} :: GetApplication)

instance Core.AWSRequest GetApplication where
  type
    AWSResponse GetApplication =
      GetApplicationResponse
  request overrides =
    Request.get (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          GetApplicationResponse'
            Prelude.<$> (Prelude.pure (Prelude.fromEnum s))
            Prelude.<*> (x Data..:> "application")
      )

instance Prelude.Hashable GetApplication where
  hashWithSalt _salt GetApplication' {..} =
    _salt `Prelude.hashWithSalt` applicationId

instance Prelude.NFData GetApplication where
  rnf GetApplication' {..} = Prelude.rnf applicationId

instance Data.ToHeaders GetApplication where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToPath GetApplication where
  toPath GetApplication' {..} =
    Prelude.mconcat
      ["/applications/", Data.toBS applicationId]

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

-- | /See:/ 'newGetApplicationResponse' smart constructor.
data GetApplicationResponse = GetApplicationResponse'
  { -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | The output displays information about the specified application.
    application :: Application
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetApplicationResponse' 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:
--
-- 'httpStatus', 'getApplicationResponse_httpStatus' - The response's http status code.
--
-- 'application', 'getApplicationResponse_application' - The output displays information about the specified application.
newGetApplicationResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  -- | 'application'
  Application ->
  GetApplicationResponse
newGetApplicationResponse pHttpStatus_ pApplication_ =
  GetApplicationResponse'
    { httpStatus = pHttpStatus_,
      application = pApplication_
    }

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

-- | The output displays information about the specified application.
getApplicationResponse_application :: Lens.Lens' GetApplicationResponse Application
getApplicationResponse_application = Lens.lens (\GetApplicationResponse' {application} -> application) (\s@GetApplicationResponse' {} a -> s {application = a} :: GetApplicationResponse)

instance Prelude.NFData GetApplicationResponse where
  rnf GetApplicationResponse' {..} =
    Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf application