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(PowerBuilder) HTTP POST JSON and Parse JSON Response

Demonstrates how to send a JSON POST and then parse the JSON response.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Json
integer li_Success
oleobject loo_Http
oleobject loo_Resp
oleobject loo_JsonResp
string ls_LifeAmount
string ls_LifeResidualAmount

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat_9_5_0.JsonObject")
if li_rc < 0 then
    destroy loo_Json
    MessageBox("Error","Connecting to COM object failed")
    return
end if

li_Success = loo_Json.LoadFile("qa_data/json/jsonBodyForHttpPost.json")
if li_Success <> 1 then
    Write-Debug loo_Json.LastErrorText
    destroy loo_Json
    return
end if

loo_Http = create oleobject
li_rc = loo_Http.ConnectToNewObject("Chilkat_9_5_0.Http")

loo_Resp = loo_Http.PostJson2("https://test.something.com/XYZ/API/v1/CreditInsuranceCalculator/CalculatePremiums","application/json",loo_Json.Emit())
if loo_Http.LastMethodSuccess <> 1 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Json
    destroy loo_Http
    return
end if

loo_JsonResp = create oleobject
li_rc = loo_JsonResp.ConnectToNewObject("Chilkat_9_5_0.JsonObject")

loo_JsonResp.Load(loo_Resp.BodyStr)

loo_JsonResp.EmitCompact = 0
Write-Debug loo_JsonResp.Emit()

// The JSON response to be parsed looks like this:
// {
//   "LifeAmount": 513.85,
//   "LifeResidualAmount": 123.38,
//   "CriticalIllnessAmount": 0,
//   "CriticalIllnessResidualAmount": 0,
//   "DisabilityAmount": 881.70,
//   "PolicyFee": 0.00,
//   "PolicyFeeSecondary": 0,
//   "PolicyFeeHidden": 50.00,
//   "PolicyFeeHiddenSecondary": 0
// }

// We can get the floating point numbers as strings.  Then convert to double
// using the appropriate string-to-double conversion for your programming language.
// For example, in C++ use atof.  In C# use Convert.ToDouble.  
ls_LifeAmount = loo_JsonResp.StringOf("LifeAmount")
ls_LifeResidualAmount = loo_JsonResp.StringOf("LifeResidualAmount")

Write-Debug "LifeAmount = " + ls_LifeAmount
Write-Debug "LifeResidualAmount = " + ls_LifeResidualAmount


destroy loo_Json
destroy loo_Http
destroy loo_JsonResp

 

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