Chilkat Examples

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Visual FoxPro Examples

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(Visual FoxPro) Dropbox: Access Your Own Account

To programmatically interact with your own Dropbox account, such as for uploading, downloading, listing files, etc., go to the Dropbox app console and create an application. Then generate an access token in the online app console as shown in the screenshot below. The access token does not expire, and can be used to access your own account from your own non-web application.

The example code, located below the screenshot, shows how to list the files in the root folder.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loRest
LOCAL lnBTls
LOCAL lnPort
LOCAL lnBAutoReconnect
LOCAL lnSuccess
LOCAL loJson
LOCAL lcResponseStr
LOCAL loJsonResponse
LOCAL lnNumEntries
LOCAL i
LOCAL loCkdt
LOCAL lnBLocalDateTime
LOCAL loDt

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

loRest = CreateObject('Chilkat_9_5_0.Rest')

*  Connect to the www.dropbox.com endpoint.
lnBTls = 1
lnPort = 443
lnBAutoReconnect = 1
lnSuccess = loRest.Connect("api.dropboxapi.com",lnPort,lnBTls,lnBAutoReconnect)
IF (lnSuccess <> 1) THEN
    ? loRest.LastErrorText
    RELEASE loRest
    CANCEL
ENDIF

loRest.AddHeader("Content-Type","application/json")
loRest.AddHeader("Authorization","Bearer DROPBOX_ACCESS_TOKEN")

loJson = CreateObject('Chilkat_9_5_0.JsonObject')
*  The root folder should be an empty string, not "/"
loJson.AppendString("path","")
loJson.AppendBool("recursive",0)
loJson.AppendBool("include_media_info",0)
loJson.AppendBool("include_deleted",0)
loJson.AppendBool("include_has_explicit_shared_members",0)

lcResponseStr = loRest.FullRequestString("POST","/2/files/list_folder",loJson.Emit())
IF (loRest.LastMethodSuccess <> 1) THEN
    ? loRest.LastErrorText
    RELEASE loRest
    RELEASE loJson
    CANCEL
ENDIF

*  Success is indicated by a 200 response status code.
IF (loRest.ResponseStatusCode <> 200) THEN
    *  Examine the request/response to see what happened.
    ? "response status code = " + STR(loRest.ResponseStatusCode)
    ? "response status text = " + loRest.ResponseStatusText
    ? "response header: " + loRest.ResponseHeader
    ? "response body (if any): " + lcResponseStr
    ? "---"
    ? "LastRequestStartLine: " + loRest.LastRequestStartLine
    ? "LastRequestHeader: " + loRest.LastRequestHeader
    RELEASE loRest
    RELEASE loJson
    CANCEL
ENDIF

loJsonResponse = CreateObject('Chilkat_9_5_0.JsonObject')
loJsonResponse.Load(lcResponseStr)

loJsonResponse.EmitCompact = 0
? loJsonResponse.Emit()

*  A sample JSON response is shown at the end of this example.
*  The following code iterates over the entries.
lnNumEntries = loJsonResponse.SizeOfArray("entries")
i = 0
DO WHILE i < lnNumEntries
    loJsonResponse.I = i
    ? "----"
    ? "name: " + loJsonResponse.StringOf("entries[i].name")
    ? "path_lower: " + loJsonResponse.StringOf("entries[i].path_lower")
    ? "path_display: " + loJsonResponse.StringOf("entries[i].path_display")
    IF (loJsonResponse.HasMember("entries[i].sharing_info") = 1) THEN
        ? "has sharing_info..."
        ? "read_only: " + loJsonResponse.StringOf("entries[i].sharing_info.read_only")
        ? "shared_folder_id: " + loJsonResponse.StringOf("entries[i].sharing_info.shared_folder_id")
    ENDIF

    IF (loJsonResponse.HasMember("entries[i].client_modified") = 1) THEN
        *  Demonstrate how to parse a date/time:
        loCkdt = CreateObject('Chilkat_9_5_0.CkDateTime')
        lnSuccess = loCkdt.SetFromTimestamp(loJsonResponse.StringOf("entries[i].client_modified"))
        *  The date/time can now be converted to many other formats, or the individual parts
        *  can be accessed.
        lnBLocalDateTime = 1
        loDt = loCkdt.GetDtObj(lnBLocalDateTime)
        ? STR(loDt.Year) + "-" + STR(loDt.Month) + "-" + STR(loDt.Day)
        RELEASE loDt
    ENDIF

    i = i + 1
ENDDO

? "Success."


/*

{
  "entries": [
    {
      ".tag": "folder",
      "name": "chilkat Team Folder",
      "path_lower": "/chilkat team folder",
      "path_display": "/chilkat Team Folder",
      "id": "id:2VqX9RLr-JAAAAAAAAAAAQ",
      "shared_folder_id": "1210954290",
      "sharing_info": {
        "read_only": false,
        "shared_folder_id": "1210954290"
      }
    },
    {
      ".tag": "file",
      "name": "Get Started with Dropbox.pdf",
      "path_lower": "/get started with dropbox.pdf",
      "path_display": "/Get Started with Dropbox.pdf",
      "id": "id:oxE2oMDqH4AAAAAAAAAAAQ",
      "client_modified": "2016-05-07T11:47:47Z",
      "server_modified": "2016-05-07T11:47:47Z",
      "rev": "1483db13f",
      "size": 692088
    }
  ],
  "cursor": "AAEnZXciJyS4gzC_tlX6K2na4c8o7_09-dxmXKHpkPPyf3Kl0H4N-VYnz424nCrFOJuhMiM5_RgNAersumx9qe7NgCSdlppr80iFk0gf6vPlecM6SBtLcs6OYXL8ILWiZ62pfnOvgC3WKGlG6dqZ-VXH",
  "has_more": false
}

*/

RELEASE loRest
RELEASE loJson
RELEASE loJsonResponse
RELEASE loCkdt


 

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