Tcl

POST JSON to REST API with non-us-ascii Chars Escaped

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Demonstrates how to POST to a REST API with non-usascii chars within JSON Unicode escaped. Tcl

load ./chilkat.dll

set success 0

set success 0

set rest [new_CkRest]

# Connect using TLS.
set bAutoReconnect 1
set success [CkRest_Connect $rest "chilkatsoft.com" 443 1 $bAutoReconnect]

# Load JSON containing the following Korean text.

#  {
#    "BillAddr": {
#       "Id": "239615",
#       "Line1": "류리하",
#       "Line2": "류리하류리하",
#       "City": "류리하류리하",
#       "Country": "US",
#       "CountrySubDivisionCode": "AK",
#       "PostalCode": "류리하"
#     }
# }

set json [new_CkJsonObject]

CkJsonObject_put_EmitCompact $json 0
set success [CkJsonObject_LoadFile $json "qa_data/json/korean.json"]
if {$success == 0} then {
    puts [CkJsonObject_lastErrorText $json]
    delete_CkRest $rest
    delete_CkJsonObject $json
    exit
}

set success [CkRest_AddHeader $rest "Content-Type" "application/json; charset=UTF-8"]

set sb [new_CkStringBuilder]

CkJsonObject_EmitSb $json $sb
CkStringBuilder_Encode $sb "unicodeescape" "utf-8"

puts [CkStringBuilder_getAsString $sb]

# The StringBuilder contains this:

# {
#   "BillAddr": {
#     "Id": "239615",
#     "Line1": "\ub958\ub9ac\ud558",
#     "Line2": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
#     "City": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
#     "Country": "US",
#     "CountrySubDivisionCode": "AK",
#     "PostalCode": "\ub958\ub9ac\ud558"
#   }
# }

set sbResp [new_CkStringBuilder]

set success [CkRest_FullRequestSb $rest "POST" "/echo_request_body.asp" $sb $sbResp]
if {$success == 0} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkJsonObject $json
    delete_CkStringBuilder $sb
    delete_CkStringBuilder $sbResp
    exit
}

# Show the response. 
puts "Json Response: [CkStringBuilder_getAsString $sbResp]"

delete_CkRest $rest
delete_CkJsonObject $json
delete_CkStringBuilder $sb
delete_CkStringBuilder $sbResp