Invoking Flux Web Service Trigger using Jersey Java API

InvokeWebServiceTrigger.java

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
import com.sun.jersey.api.client.filter.LoggingFilter;
import com.sun.jersey.multipart.FormDataBodyPart;
import com.sun.jersey.multipart.FormDataMultiPart;

import javax.ws.rs.core.MediaType;
import java.util.HashMap;
import java.util.Map;

public class InvokeWebServiceTrigger {

  private static final String HTTP_ENDPOINT = "http://localhost:7186/cluster";
  private static final String PUT_WITH_VARIABLES_URI = "flowCharts/startTemplateWithVariables";
  private static final String username = "admin";
  private static final String password = "admin";

  public static void main(String[] args) {

    Client client = Client.create();
    client.addFilter(new LoggingFilter());
    client.addFilter(new HTTPBasicAuthFilter(username, password));

    WebResource resource = client.resource(HTTP_ENDPOINT);
    Map<String, Object> variables = new HashMap<String, Object>();
    variables.put("template", "/Media Processing Template");//Required parameter: "template" points to the workflow template in the repository
    variables.put("category", "sample clips");//Optional parameter: Adds a variable "category" to the workflow instance
    variables.put("rate", 1000);//Optional parameter: Adds a variable "rate" to the workflow instance
    variables.put("namespace", "/Media Processing Template Instance");//Optional parameter: Specifies the name of the workflow instance

    ClientResponse response = resource.path(PUT_WITH_VARIABLES_URI).type(MediaType.MULTIPART_FORM_DATA).post(ClientResponse.class, addVariables(variables));
    String name = response.getEntity(String.class);
    System.out.println("Scheduled job via HTTP request = " + name);
  }

  private static FormDataMultiPart addVariables(Map<String, Object> variables) {
    FormDataMultiPart multipart = new FormDataMultiPart();
    for (Map.Entry<String, Object> entry : variables.entrySet()) {
      FormDataBodyPart templateName = new FormDataBodyPart(entry.getKey(), entry.getValue(), MediaType.TEXT_PLAIN_TYPE);
      multipart.bodyPart(templateName);
    }
    return multipart;
  }
}