(Java) hotelbeds.com REST API Authentication

Demonstrates how to calculate the X-Signature header and add to requests sent to api.test.hotelbeds.com.

For more information, see https://developer.hotelbeds.com/documentation/getting-started/

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example duplicates the following CURL statement provided in the hotelbeds.com "Getting Started"
    // developer documentation:

    // #!/bin/bash 
    // apiKey="yourApiKey"
    // secret="yourSecret"
    // curl -i \
    //   -X GET \
    //   -H 'Accept:application/json' \
    //   -H 'Api-key:'$apiKey'' \
    //   -H 'X-Signature:'$(echo -n ${apiKey}${secret}$(date +%s)|sha256sum|awk '{ print $1}')'' \
    //   https://api.test.hotelbeds.com/hotel-api/1.0/status

    boolean success;

    // The "date + %s" command emits a UNIX date/time number such as 1605548842
    // We need to concatenate the apiKey, secret, and current date/time in UNIX (numeric) time format.
    CkDateTime dt = new CkDateTime();
    dt.SetFromCurrentSystemTime();
    // Get the UNIX time string in the GMT timezone.
    boolean bLocalTime = false;
    String unixTimeStr = dt.getAsUnixTimeStr(bLocalTime);
    System.out.println(unixTimeStr);

    // Use your own API key and secret.  (These are not valid values)
    String apiKey = "227b20a2cb705e45f3b0a0944672dc07";
    String secret = "54dc7ba9e2";

    CkStringBuilder sb = new CkStringBuilder();
    sb.Append(apiKey);
    sb.Append(secret);
    sb.Append(unixTimeStr);

    CkCrypt2 crypt = new CkCrypt2();
    crypt.put_HashAlgorithm("sha256");
    crypt.put_EncodingMode("hexlower");
    String signature = crypt.hashStringENC(sb.getAsString());

    System.out.println(signature);

    CkHttp http = new CkHttp();

    http.SetRequestHeader("Accept","application/json");
    http.SetRequestHeader("Api-key",apiKey);
    http.SetRequestHeader("X-Signature",signature);

    String jsonResponse = http.quickGetStr("https://api.test.hotelbeds.com/hotel-api/1.0/status");
    System.out.println(jsonResponse);
    System.out.println(http.get_LastStatus());

    // Sample output:  

    // 1605549542
    // 2146aefb36e7331b3b29aafd7638398ca22e689573224f1a71274d60bd201ec2
    // {"auditData":{"timestamp":"2020-11-16 18:59:02.430"},"status":"OK"}
    // 200
  }
}