(Visual FoxPro) curl POST with JSON Input and JSON Output

See more CURL Examples

Note: This example requires Chilkat v11.5.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL lnSuccess
LOCAL loSbTargetCurl
LOCAL loHttpCurl
LOCAL loResponseJson
LOCAL lnStatusCode
LOCAL lcTargetCurl

lnSuccess = 0

* Run the following curl command

*  curl -X POST https://httpbin.org/post \
*       -H "Content-Type: application/json" \
*       -d '{
*             "title": "foo",
*             "body": "bar",
*             "userId": 1
*           }'

* The backslashes at the end of lines are not required.  Chilkat ignores them if present.
loSbTargetCurl = CreateObject('Chilkat.StringBuilder')
loSbTargetCurl.AppendLn(" curl -X POST https://httpbin.org/post \")
loSbTargetCurl.AppendLn('      -H "Content-Type: application/json" \')
loSbTargetCurl.AppendLn("      -d '{")
loSbTargetCurl.AppendLn('            "title": "foo",')
loSbTargetCurl.AppendLn('            "body": "bar",')
loSbTargetCurl.AppendLn('            "userId": 1')
loSbTargetCurl.AppendLn("          }'")

loHttpCurl = CreateObject('Chilkat.HttpCurl')

* Run the curl command.
lnSuccess = loHttpCurl.DoYourThing(loSbTargetCurl.GetAsString())
IF (lnSuccess = 0) THEN
    ? loHttpCurl.LastErrorText
    RELEASE loSbTargetCurl
    RELEASE loHttpCurl
    CANCEL
ENDIF

loResponseJson = CreateObject('Chilkat.JsonObject')
loResponseJson.EmitCompact = 0

loHttpCurl.GetResponseJson(loResponseJson)

lnStatusCode = loHttpCurl.StatusCode
? "response status code: " + STR(lnStatusCode)

? loResponseJson.Emit()

* Output:

* response status code: 200
* {
*   "args": {},
*   "data": "{\r\n            \"title\": \"foo\",\r\n            \"body\": \"bar\",\r\n            \"userId\": 1\r\n          }",
*   "files": {},
*   "form": {},
*   "headers": {
*     "Content-Length": "96",
*     "Content-Type": "application/json",
*     "Host": "httpbin.org",
*     "X-Amzn-Trace-Id": "Root=1-69e8db8b-459b3bdf7b7a3bc749184968"
*   },
*   "json": {
*     "body": "bar",
*     "title": "foo",
*     "userId": 1
*   },
*   "origin": "123.222.222.222",
*   "url": "https://httpbin.org/post"
* }

* ----------------------------------------------------------------------------------
* Another example:

* curl -X POST https://postman-echo.com/post \
*      -H "Content-Type: application/json" \
*      -d '{"foo":"bar"}'

lcTargetCurl = 'curl -X POST https://postman-echo.com/post -H "Content-Type: application/json" -d '{"foo":"bar"}''

* Run the curl command.
lnSuccess = loHttpCurl.DoYourThing(lcTargetCurl)
IF (lnSuccess = 0) THEN
    ? loHttpCurl.LastErrorText
    RELEASE loSbTargetCurl
    RELEASE loHttpCurl
    RELEASE loResponseJson
    CANCEL
ENDIF

loHttpCurl.GetResponseJson(loResponseJson)

lnStatusCode = loHttpCurl.StatusCode
? "response status code: " + STR(lnStatusCode)

? loResponseJson.Emit()

* Output:

* response status code: 200
* {
*   "args": {},
*   "data": {
*     "foo": "bar"
*   },
*   "files": {},
*   "form": {},
*   "headers": {
*     "host": "postman-echo.com",
*     "content-length": "13",
*     "content-type": "application/json",
*     "x-forwarded-proto": "https",
*     "accept-encoding": "gzip, br"
*   },
*   "json": {
*     "foo": "bar"
*   },
*   "url": "https://postman-echo.com/post"
* }

RELEASE loSbTargetCurl
RELEASE loHttpCurl
RELEASE loResponseJson