content-type.md
In httr2: Perform HTTP Requests and Process the Responses

can check type of response

Code
  resp_check_content_type(resp1, "application/xml")
Condition
  Error:
  ! Unexpected content type "application/json".
  * Expecting type "application/xml"
Code
  resp_check_content_type(resp2, "application/xml")
Condition
  Error:
  ! Unexpected content type "xxxxx".
  * Expecting type "application/xml"

useful error even if no content type

Code
  resp_check_content_type(resp, "application/xml")
Condition
  Error:
  ! Unexpected content type "NA".
  * Expecting type "application/xml"

check_content_type() can consult suffixes

Code
  check_content_type("application/json", "application/xml")
Condition
  Error:
  ! Unexpected content type "application/json".
  * Expecting type "application/xml"

Code
  check_content_type("application/test+json", "application/xml", "xml")
Condition
  Error:
  ! Unexpected content type "application/test+json".
  * Expecting type "application/xml" or suffix "xml".

Code
  check_content_type("application/xml", c("text/html", "application/json"))
Condition
  Error:
  ! Unexpected content type "application/xml".
  * Expecting type "text/html" or "application/json"