ResponseModelOrError.java

package ru.semiot.services.tsdbservice.rest;

import org.apache.jena.rdf.model.Model;
import org.apache.jena.riot.RDFLanguages;
import rx.Subscriber;

import java.io.StringWriter;

import javax.ws.rs.container.AsyncResponse;

public class ResponseModelOrError extends ResponseOrError<Model> {

  private ResponseModelOrError(AsyncResponse response) {
    super(response);
  }

  public static Subscriber<Model> responseModelOrError(
      AsyncResponse response) {
    return new ResponseModelOrError(response);
  }

  @Override
  public void onNext(Model model) {
    StringWriter writer = new StringWriter();
    model.write(writer, RDFLanguages.strLangJSONLD);

    response.resume(writer.toString());
  }
}