Xbase++
Xbase++
Get File Metadata
See more Google Drive Examples
Gets a file's metadata or content by ID.See Google Drive Files get for additional details.
Chilkat Xbase++ Downloads
LOCAL nSuccess
LOCAL oGAuth
LOCAL oRest
LOCAL nBAutoReconnect
LOCAL oSbPath
LOCAL cAllFields
LOCAL cJsonResponse
LOCAL oJson
LOCAL nWasLastModifiedUserMe
LOCAL nWidth
LOCAL i
LOCAL nNumParents
LOCAL nNumOwners
LOCAL nNumPermissions
nSuccess := 0
nSuccess := 1
// It requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// This example uses a previously obtained access token having permission for the
// Google Drive scope.
oGAuth := CreateObject("Chilkat.AuthGoogle")
oGAuth:AccessToken := "GOOGLE-DRIVE-ACCESS-TOKEN"
oRest := CreateObject("Chilkat.Rest")
// Connect using TLS.
// A single REST object, once connected, can be used for many Google Drive REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
nBAutoReconnect := 1
nSuccess := oRest:Connect("www.googleapis.com", 443, 1, nBAutoReconnect)
// Provide the authentication credentials (i.e. the access token)
oRest:SetAuthGoogle(oGAuth)
// ------------------------------------------------------------------------------
// We need to send a GET request like this:
// GET https://www.googleapis.com/drive/v3/files/fileId
// The fileId is part of the path.
oSbPath := CreateObject("Chilkat.StringBuilder")
oSbPath:Append("/drive/v3/files/")
// Assume we previously obtained the fileId for the file of interest...
oSbPath:Append("0B53Q6OSTWYolbUF6WS1Gei1oalk")
// Indicate that we want ALL possible fields.
// If no fields are indicated, then only the basic fields are returned.
cAllFields := "appProperties,capabilities,contentHints,createdTime,description,explicitlyTrashed,fileExtension,folderColorRgb,fullFileExtension,headRevisionId,iconLink,id,imageMediaMetadata,isAppAuthorized,kind,lastModifyingUser,md5Checksum,mimeType,modifiedByMeTime,modifiedTime,name,originalFilename,ownedByMe,owners,parents,permissions,properties,quotaBytesUsed,shared,sharedWithMeTime,sharingUser,size,spaces,starred,thumbnailLink,trashed,version,videoMediaMetadata,viewedByMe,viewedByMeTime,viewersCanCopyContent,webContentLink,webViewLink,writersCanShare"
oRest:AddQueryParam("fields", cAllFields)
cJsonResponse := oRest:FullRequestNoBody("GET", oSbPath:GetAsString())
IF (oRest:LastMethodSuccess != 1)
? oRest:LastErrorText
oGAuth:destroy()
oRest:destroy()
oSbPath:destroy()
RETURN
ENDIF
// A successful response will have a status code equal to 200.
IF (oRest:ResponseStatusCode != 200)
? "response status code = " + Str(oRest:ResponseStatusCode)
? "response status text = " + oRest:ResponseStatusText
? "response header: " + oRest:ResponseHeader
? "response JSON: " + cJsonResponse
oGAuth:destroy()
oRest:destroy()
oSbPath:destroy()
RETURN
ENDIF
// ---------------------------------------------------
// Sample code for parsing this JSON is shown below...
// ---------------------------------------------------
// A successful response looks like this:
// {
// "kind": "drive#file",
// "id": "0B53Q6OSTWYolbUF6WS1Gei1oalk",
// "name": "penguins.jpg",
// "mimeType": "image/jpeg",
// "starred": false,
// "trashed": false,
// "explicitlyTrashed": false,
// "parents": [
// "0B53Q6OSTWYola296ODZUSm5GYU0"
// ],
// "spaces": [
// "drive"
// ],
// "version": "672",
// "webContentLink": "https://docs.google.com/a/chilkatcloud.com/uc?id=0B53Q6OSTWYolbUF6WS1Gei1oalk&export=download",
// "webViewLink": "https://drive.google.com/a/chilkatcloud.com/file/d/0B53Q6OSTWYolbUF6WS1Gei1oalk/view?usp=drivesdk",
// "iconLink": "https://ssl.gstatic.com/docs/doclist/images/icon_11_image_list.png",
// "thumbnailLink": "https://lh5.googleusercontent.com/uIV1dJdc8vsAQzaaIInpc9AV55AcdHhpM7fQeI2RN2qbCSnhjK9IDdNQAOTtkvjS9ZObqw=s220",
// "viewedByMe": true,
// "viewedByMeTime": "2016-10-08T12:38:02.258Z",
// "createdTime": "2016-10-08T12:38:02.258Z",
// "modifiedTime": "2016-10-08T12:38:02.258Z",
// "modifiedByMeTime": "2016-10-08T12:38:02.258Z",
// "owners": [
// {
// "kind": "drive#user",
// "displayName": "Matthew Smith",
// "me": true,
// "permissionId": "08366696655122259092",
// "emailAddress": "support@chilkatcloud.com"
// }
// ],
// "lastModifyingUser": {
// "kind": "drive#user",
// "displayName": "Matthew Smith",
// "me": true,
// "permissionId": "08366696655122259092",
// "emailAddress": "support@chilkatcloud.com"
// },
// "shared": false,
// "ownedByMe": true,
// "capabilities": {
// "canEdit": true,
// "canComment": true,
// "canShare": true,
// "canCopy": true,
// "canReadRevisions": true
// },
// "viewersCanCopyContent": true,
// "writersCanShare": true,
// "permissions": [
// {
// "kind": "drive#permission",
// "id": "08366696655122259092",
// "type": "user",
// "emailAddress": "support@chilkatcloud.com",
// "role": "owner",
// "displayName": "Matthew Smith"
// }
// ],
// "originalFilename": "penguins.jpg",
// "fullFileExtension": "jpg",
// "fileExtension": "jpg",
// "md5Checksum": "9d377b10ce778c4938b3c7e2c63a229a",
// "size": "777835",
// "quotaBytesUsed": "777835",
// "headRevisionId": "0B53Q6OSTWYolUUlHVFhHdFlXQ0R1aHZuT0tORTVzc2h5NnZjPQ",
// "imageMediaMetadata": {
// "width": 1024,
// "height": 768,
// "rotation": 0,
// "time": "2009:03:12 13:48:35"
// },
// "isAppAuthorized": false
// }
// Iterate over each file in the response and show the name, id, and mimeType.
oJson := CreateObject("Chilkat.JsonObject")
oJson:Load(cJsonResponse)
// Show the full JSON response.
oJson:EmitCompact := 0
? oJson:Emit()
? "-"
// Demonstrate how to get pieces of information:
? "Original Filename: " + oJson:StringOf("originalFilename")
nWasLastModifiedUserMe := oJson:BoolOf("lastModifyingUser.me")
? "Was Last Modified by Me: " + Str(nWasLastModifiedUserMe)
// Assuming this is an image file...
nWidth := oJson:IntOf("imageMediaMetadata.width")
? "Image Width: " + Str(nWidth)
// Iterate over parents...
nNumParents := oJson:SizeOfArray("parents")
i := 0
DO WHILE i < nNumParents
oJson:I := i
? "Parent " + Str(i) + ": " + oJson:StringOf("parents[i]")
i := i + 1
ENDDO
// Iterate over owners...
nNumOwners := oJson:SizeOfArray("owners")
i := 0
DO WHILE i < nNumOwners
oJson:I := i
? "Owner " + Str(i) + ": kind=" + oJson:StringOf("owners[i].kind") + " displayName=" + oJson:StringOf("owners[i].displayName")
i := i + 1
ENDDO
// Iterate over permissions...
nNumPermissions := oJson:SizeOfArray("permissions")
i := 0
DO WHILE i < nNumPermissions
oJson:I := i
? "Permission " + Str(i) + ": kind=" + oJson:StringOf("permissions[i].kind") + " id=" + oJson:StringOf("permissions[i].id")
i := i + 1
ENDDO
oGAuth:destroy()
oRest:destroy()
oSbPath:destroy()
oJson:destroy()