(Java) WaTrend Send WhatsApp Text

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Send a WhatsApp text.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

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.

    CkHttp http = new CkHttp();
    boolean success;

    // Use your actual access token instead of 555555555555555555555555555555
    CkHttpRequest req = new CkHttpRequest();
    req.AddParam("number","84933313xxx");
    req.AddParam("type","text");
    req.AddParam("message","This is a test message");
    req.AddParam("instance_id","609ACF283XXXX");
    req.AddParam("access_token","555555555555555555555555555555");

    // Note: The WaTrend online documentation indicate a POST should be used.
    // However, it seems you might actually need to send a GET request.
    // It is unclear.  
    // If a GET is neeed, you would just send to the URL w/ query params like this:
    CkStringBuilder sbUrl = new CkStringBuilder();
    sbUrl.Append("https://app.watrend.com/api/send.php?");
    sbUrl.Append(req.getUrlEncodedParams());
    String responseBodyStr = http.quickGetStr(sbUrl.getAsString());
    // The responseBodyStr contains the JSON response from the server..

    // If a POST is needed, then it is sent like this:
    CkHttpResponse resp = http.PostUrlEncoded("https://app.watrend.com/api/send.php",req);
    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    resp.GetBodySb(sbResponseBody);

    int respStatusCode = resp.get_StatusCode();
    System.out.println("Response Status Code = " + respStatusCode);
    if (respStatusCode >= 400) {
        System.out.println("Response Header:");
        System.out.println(resp.header());
        System.out.println("Failed.");

        return;
        }

    System.out.println(resp.bodyStr());

    // Both success and failed responses use 200 status code.

    // A success response contains this JSON in the response body:
    // {"status":"success", ... }

    // A failed response will contain something like this:
    // {"status":"error","message":"License Invalidated"}

    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);

    String status = jResp.stringOf("status");
    System.out.println("status: " + status);
  }
}