React Native

Amazon Glacier List Vaults

See more Amazon Glacier Examples

Demonstrates how to list the glacier vaults in a given region. React Native

import { AuthAws, JsonObject, Rest, StringBuilder } from '@chilkat/react-native'

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

  const rest = new Rest();

  // Connect to the Amazon AWS REST server in the desired region.
  const bTls = true;
  const port = 443;
  const bAutoReconnect = true;
  await rest.connectAsync('glacier.us-west-2.amazonaws.com', port, bTls, bAutoReconnect);

  // Provide AWS credentials.
  const authAws = new AuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  authAws.serviceName = 'glacier';
  authAws.region = 'us-west-2';

  rest.setAuthAws(authAws);

  // --------------------------------------------------------------------------
  // Note: The above REST connection and setup of the AWS credentials
  // can be done once.  After connecting, any number of REST calls can be made.
  // The "auto reconnect" property passed to rest.Connect indicates that if
  // the connection is lost, a REST method call will automatically reconnect
  // if needed.
  // --------------------------------------------------------------------------

  // For more information, see Glacier List Vaults Reference Documentation
  // 
  rest.addHeader('x-amz-glacier-version', '2012-06-01');

  // Get the glacier vaults in my account's us-west-2 region.
  const sbResponseBody = new StringBuilder();
  try {
    await rest.fullRequestNoBodySbAsync('GET', '/AWS_ACCOUNT_ID/vaults', sbResponseBody);
  } catch {
    console.log(rest.lastErrorText);
    return;
  }

  const respStatusCode = rest.responseStatusCode;
  if (respStatusCode >= 400) {
    console.log(`Response Status Code = ${respStatusCode}`);
    console.log('Response Header:');
    console.log(rest.responseHeader);
    console.log('Response Body:');
    console.log(sbResponseBody.getAsString());
    return;
  }

  // Success is indicated by a 200 response status with an empty response body.
  console.log(`response status code = ${respStatusCode}`);

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

  console.log(json.emit());

  // Use this online tool to generate parsing code from sample JSON: 
  // Generate Parsing Code from JSON

  let i = 0;
  let creationDate = '';
  let lastInventoryDate = '';
  let numberOfArchives = 0;
  let sizeInBytes = 0;
  let vaultARN = '';
  let vaultName = '';

  const marker = json.stringOf('Marker');
  i = 0;
  const countI = json.sizeOfArray('VaultList');
  while (i < countI) {
    json.i = i;
    creationDate = json.stringOf('VaultList[i].CreationDate');
    lastInventoryDate = json.stringOf('VaultList[i].LastInventoryDate');
    numberOfArchives = json.intOf('VaultList[i].NumberOfArchives');
    sizeInBytes = json.intOf('VaultList[i].SizeInBytes');
    vaultARN = json.stringOf('VaultList[i].VaultARN');
    vaultName = json.stringOf('VaultList[i].VaultName');
    i++;
  }

  // Sample response
  // 
  // {
  //   "Marker": null,
  //   "VaultList": [
  //     {
  //       "CreationDate": "2019-04-05T19:10:28.428Z",
  //       "LastInventoryDate": null,
  //       "NumberOfArchives": 0,
  //       "SizeInBytes": 0,
  //       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat",
  //       "VaultName": "chilkat"
  //     },
  //     {
  //       "CreationDate": "2019-04-05T19:00:21.768Z",
  //       "LastInventoryDate": null,
  //       "NumberOfArchives": 0,
  //       "SizeInBytes": 0,
  //       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/ocean",
  //       "VaultName": "ocean"
  //     }
  //   ]
  // }
  // 
}