Java Requires Chilkat v11.0.0+

HTTP POST JSON and Parse JSON Response

See more HTTP Examples

Demonstrates how to send a JSON POST and then parse the JSON response. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

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

        JsonObject json = new JsonObject();

        try {
            json.loadFile("qa_data/json/jsonBodyForHttpPost.json");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        Http http = new Http();

        HttpResponse resp = new HttpResponse();
        try {
            http.httpJson("POST", "https://test.something.com/XYZ/API/v1/CreditInsuranceCalculator/CalculatePremiums", json, "application/json", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        JsonObject jsonResp = new JsonObject();
        jsonResp.load(resp.getBodyStr());

        jsonResp.setEmitCompact(false);
        System.out.println(jsonResp.emit());

        // The JSON response to be parsed looks like this:
        // {
        //   "LifeAmount": 513.85,
        //   "LifeResidualAmount": 123.38,
        //   "CriticalIllnessAmount": 0,
        //   "CriticalIllnessResidualAmount": 0,
        //   "DisabilityAmount": 881.70,
        //   "PolicyFee": 0.00,
        //   "PolicyFeeSecondary": 0,
        //   "PolicyFeeHidden": 50.00,
        //   "PolicyFeeHiddenSecondary": 0
        // }

        // We can get the floating point numbers as strings.  Then convert to double
        // using the appropriate string-to-double conversion for your programming language.
        // For example, in C++ use atof.  In C# use Convert.ToDouble.
        String lifeAmount = jsonResp.stringOf("LifeAmount");
        String lifeResidualAmount = jsonResp.stringOf("LifeResidualAmount");

        System.out.println("LifeAmount = " + lifeAmount);
        System.out.println("LifeResidualAmount = " + lifeResidualAmount);
    }
}