Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

C# UWP/WinRT Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(C# UWP/WinRT) Manage Cloud Storage Bucket Labels

Demonstrates how to add, update, and delete labels for a Cloud Storage bucket.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

//  This example 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
//  scope "https://www.googleapis.com/auth/cloud-platform"

//  In this example, Get Google Cloud Storage OAuth2 Access Token,
//  the service account access token was saved to a text file.  This example fetches the access token from the file..
Chilkat.StringBuilder sbToken = new Chilkat.StringBuilder();
sbToken.LoadFile("qa_data/tokens/googleCloudStorageAccessToken.txt","utf-8");

//  ---- Step 1
//  Create the JSON body of the PATCH request that will be sent.
//  This specifies labels to be added, updated, and/or deleted.
//  (To delete a label, set its value equal to null.)

//  {
//    "labels": {
//      "new_label_key": "new_label_value",
//      "existing_label_key": "updated_label_value",
//      "old_label_key": null
//    }
//  }

//  ---------
//  Important
//  ---------
//  You can apply multiple labels to each bucket, with a maximum of 64 labels per bucket.

//      - Keys and values cannot be longer than 63 characters each.
//      - Keys and values can only contain lowercase letters, numeric characters, underscores, and dashes. International characters are allowed.
//      - Label keys must start with a lowercase letter and international characters are allowed.
//      - Label keys cannot be empty.

//  Build JSON to update labels.
// 
//  During the testing of this example, my bucket already has the following labels:
//  {
//   "labels": {
//    "test1": "xyz",
//    "test": "abc",
//    "a": "abc"
//   }
//  }

//  For this example, I'm going to add a label "b", delete the label "test1", and update
//  the label "test".
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("labels.b","bbb");
json.UpdateString("labels.test","abc123");
json.UpdateNull("labels.test1");

//  ---- Step 2
//  Send a PATCH equivalent to this curl command

//  curl -X PATCH --data-binary @[JSON_FILE_NAME].json \
//      -H "Authorization: Bearer [OAUTH2_TOKEN]" \
//      -H "Content-Type: application/json" \
//      "https://www.googleapis.com/storage/v1/b/[BUCKET_NAME]?fields=labels"

Chilkat.Http http = new Chilkat.Http();
http.AuthToken = sbToken.GetAsString();

http.SetUrlVar("bucket_name","chilkat-ocean");
string url = "https://www.googleapis.com/storage/v1/b/{$bucket_name}?fields=labels";
Chilkat.HttpResponse resp = await http.PTextAsync("PATCH",url,json.Emit(),"utf-8","application/json",false,false);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

int responseCode = resp.StatusCode;
if (responseCode == 401) {
    Debug.WriteLine(resp.BodyStr);
    Debug.WriteLine("If invalid credentials, then it is likely the access token expired.");
    Debug.WriteLine("Your app should automatically fetch a new access token and re-try.");

    return;
}

//  Note: A 400 response code is likely caused by illegal characters used for a label name and/or value.

Debug.WriteLine("Response code: " + Convert.ToString(responseCode));
Debug.WriteLine("Response body");
Debug.WriteLine(resp.BodyStr);

//  A response code = 200 indicates success, and the response body contains the JSON
//  for the new/updated set of labels
//  Response code: 200
//  Response body
//  {
//   "labels": {
//    "test": "abc123",
//    "a": "abc",
//    "b": "bbb"
//   }
//  }


 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.