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(PowerBuilder) Creating an application/json HTTP POST RequestDemonstrates how to create an HTTP POST request having the Content-Type application/json, where the body of the HTTP request is the following JSON: { "username" : "my_username", "password" : "my_password", "validation-factors" : { "validationFactors" : [ { "name" : "remote_address", "value" : "127.0.0.1" } ] } } The generated HTTP request looks like this: POST /something HTTP/1.1 Content-Type: application/json Accept: application/json Host: domain Content-Length: 216 { "username": "my_username", "password": "my_password", "validation-factors": { "validationFactors": [ { "name": "remote_address", "value": "127.0.0.1" } ] } }
integer li_rc oleobject loo_Req oleobject loo_Json oleobject loo_VFactors oleobject loo_VArray oleobject loo_FactorObj string ls_RequestMime // This example demonstrates building an application/json request. loo_Req = create oleobject // Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0 li_rc = loo_Req.ConnectToNewObject("Chilkat.HttpRequest") if li_rc < 0 then destroy loo_Req MessageBox("Error","Connecting to COM object failed") return end if // The ContentType, HttpVerb, and Path properties should // always be explicitly set. loo_Req.HttpVerb = "POST" loo_Req.Path = "/something" loo_Req.ContentType = "application/json" // We may wish to add an "Accept" header to the request. // This tells the server we'll accept an application/json response. loo_Req.AddHeader("Accept","application/json") // We'll use Chilkat's JSON API to create the JSON body of the HTTP request. loo_Json = create oleobject // Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0 li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject") loo_Json.AppendString("username","my_username") loo_Json.AppendString("password","my_password") loo_VFactors = loo_Json.AppendObject("validation-factors") loo_VArray = loo_VFactors.AppendArray("validationFactors") loo_VArray.AddObjectAt(0) loo_FactorObj = loo_VArray.ObjectAt(0) loo_FactorObj.AppendString("name","remote_address") loo_FactorObj.AppendString("value","127.0.0.1") destroy loo_FactorObj destroy loo_VArray destroy loo_VFactors // Use the JSON for the HTTP request body // By default, the Emit method will output compact JSON. // This is best for generating the smallest size request. // To generate a more human-readable (pretty-printed) JSON request body, // set the EmitCompact property to FALSE loo_Json.EmitCompact = 0 loo_Req.LoadBodyFromString(loo_Json.Emit(),"utf-8") // View the request that would be sent if SynchronousRequest was called: ls_RequestMime = loo_Req.GenerateRequestText() Write-Debug ls_RequestMime // A few important comments about the HTTP request that is generated: // // 1) The Content-Length header is automatically generated based on the actual length of the MIME message // that follows the intial (topmost) MIME header. // 2) The HOST header will automatically get filled in with the actual domain when SynchronousRequest // is called destroy loo_Req destroy loo_Json |
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