React Native

Google Cloud Storage: Update Object Metadata

See more Google Cloud Storage Examples

Demonstrates how to update (edit) the metadata associated with an object in a Google Cloud Storage bucket. React Native

import { BinData, Http, HttpResponse, JsonObject, StringBuilder } from '@chilkat/react-native'

async function chilkatExample() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const http = new Http();

  // Implements the following CURL command:

  // curl -X PATCH --data-binary @JSON_FILE_NAME \
  //   -H "Authorization: Bearer OAUTH2_TOKEN" \
  //   -H "Content-Type: application/json" \
  //   "https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME"

  // Use the following online tool to generate HTTP code from a CURL command
  // Convert a cURL Command to HTTP Source Code

  const bdRequestBody = new BinData();
  try {
    bdRequestBody.loadFile('JSON_FILE_PATH');
  } catch {
    console.log('Failed to load JSON_FILE_PATH');
    return;
  }

  // Adds the "Authorization: Bearer OAUTH2_TOKEN" header.
  http.authToken = 'OAUTH2_TOKEN';

  const resp = new HttpResponse();
  try {
    await http.httpBdAsync('PATCH', 'https://storage.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME', bdRequestBody, 'application/json', resp);
  } catch {
    console.log(http.lastErrorText);
    return;
  }

  const sbResponseBody = new StringBuilder();
  resp.getBodySb(sbResponseBody);

  const jResp = new JsonObject();
  jResp.loadSb(sbResponseBody);
  jResp.emitCompact = false;

  console.log('Response Body:');
  console.log(jResp.emit());

  const respStatusCode = resp.statusCode;
  console.log(`Response Status Code = ${respStatusCode}`);
  if (respStatusCode >= 400) {
    console.log('Response Header:');
    console.log(resp.header);
    console.log('Failed.');
    return;
  }
}