(Tcl) Transition from Http.PostJson3 to Http.HttpJson

Provides instructions for replacing deprecated PostJson3 method calls with HttpJson.

Note: This example requires Chilkat v11.0.0 or greater.

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load ./chilkat.dll

set http [new_CkHttp]

set url "https://example.com/something"
set contentType "application/json"
set json [new_CkJsonObject]

CkJsonObject_LoadFile $json "C:/temp/requestBody.json"

# ------------------------------------------------------------------------
# The PostJson3 method is deprecated:

# responseObj is a CkHttpResponse
set responseObj [CkHttp_PostJson3 $http $url $contentType $json]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkJsonObject $json
    exit
}

# ...
# ...

delete_CkHttpResponse $responseObj

# ------------------------------------------------------------------------
# Do the equivalent using HttpJson.
# Your application creates a new, empty HttpResponse object which is passed 
# in the last argument and filled upon success.

set responseOut [new_CkHttpResponse]

set success [CkHttp_HttpJson $http "POST" $url $json $contentType $responseOut]
if {$success == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkHttpResponse $responseOut
    exit
}


delete_CkHttp $http
delete_CkJsonObject $json
delete_CkHttpResponse $responseOut