(Java) QuickBooks - Read an Employee (with Error Response)

Demonstrates how to fetch the information for a specific Quickbooks employee, but tries to fetch using an invalid employee id. Shows the error response and how to parse it.

For more information, see https://developer.intuit.com/app/developer/qbo/docs/api/accounting/all-entities/employee#read-an-employee

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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 assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Get our previously obtained OAuth2 access token, which should contain JSON like this:
    // {
    //   "expires_in": 3600,
    //   "x_refresh_token_expires_in": 8726400,
    //   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
    //   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
    //   "token_type": "bearer"
    // }

    CkJsonObject jsonToken = new CkJsonObject();
    boolean success = jsonToken.LoadFile("qa_data/tokens/qb-access-token.json");

    CkRest rest = new CkRest();

    // Connect using TLS.
    // A single REST object, once connected, can be used for many Quickbooks 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.
    boolean bAutoReconnect = true;
    success = rest.Connect("sandbox-quickbooks.api.intuit.com",443,true,bAutoReconnect);
    if (success != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    CkStringBuilder sbAuth = new CkStringBuilder();
    sbAuth.Append("Bearer ");
    sbAuth.Append(jsonToken.stringOf("access_token"));
    rest.put_Authorization(sbAuth.getAsString());

    rest.AddHeader("Accept","application/json");
    rest.put_AllowHeaderFolding(false);

    // The company ID is 123146096291789
    // The employee ID is 999  (There is no employee with this ID and we should get a 400 response code w/ a response body indicating the error.)
    String responseBody = rest.fullRequestNoBody("GET","/v3/company/123146096291789/employee/999?minorversion=45");
    if (rest.get_LastMethodSuccess() != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    // Load the JSON response into a JSON object for parsing.
    // A sample JSON response is shown below.
    CkJsonObject json = new CkJsonObject();
    json.Load(responseBody);
    json.put_EmitCompact(false);
    System.out.println(json.emit());

    // A 400 response is what we'd expect if trying to query for a non-existent employee ID
    if (rest.get_ResponseStatusCode() != 400) {
        System.out.println("Request Header: ");
        System.out.println(rest.lastRequestHeader());
        System.out.println("----");
        System.out.println("Response StatusCode = " + rest.get_ResponseStatusCode());
        System.out.println("Response StatusLine: " + rest.responseStatusText());
        System.out.println("Response Header:");
        System.out.println(rest.responseHeader());
        return;
        }

    // If we got here, the response status code was 400..
    // Iterate over the errors..
    int numErrors = json.SizeOfArray("Fault.Error");
    int i = 0;
    while (i < numErrors) {

        json.put_I(i);
        System.out.println("Message: " + json.stringOf("Fault.Error[i].Message"));
        System.out.println("Detail: " + json.stringOf("Fault.Error[i].Detail"));
        System.out.println("code: " + json.stringOf("Fault.Error[i].code"));
        System.out.println("----");
        i = i+1;
        }

    // ------------------------------------------------------
    // The JSON error response looks like this:

    // {
    //   "Fault": {
    //     "Error": [
    //       {
    //         "Message": "Object Not Found",
    //         "Detail": "Object Not Found : Something you're trying to use has been made inactive. Check the fields with accounts, customers, items, vendors or employees.",
    //         "code": "610",
    //         "element": ""
    //       }
    //     ],
    //     "type": "ValidationFault"
    //   },
    //   "time": "2020-03-07T10:21:19.089-08:00"
    // }
  }
}