Obtención de datos¶

• Tipo: Función
• Tipo retorno: Cadena
• Texto: Obtiene dato ? de la instancia ? del formulario ?
• Código DRL: numeroExpFromId(?s,?s,?s)
• Datos extra:
  

  import java.util.ArrayList;
  import java.util.List;
  import es.guadaltel.gforms.client.AnswerService;
  import es.guadaltel.gforms.client.exception.GFormsWSException;
  
  function Object obtieneDato(Object idQuestion, Object idInstance, Object idForm) {
      String idQuestionStr = (String) idQuestion;
      String idInstanceStr = (String) idInstance;
      String idFormStr = (String) idForm;
      String URL_WS_GFORM = "http://localhost:9090/gforms/seam/resources/rest";
  
      String dato = "";
      try {
          AnswerService answerService = new AnswerService(URL_WS_GFORM);
          // Hay que usar el "qualified name" para evitar conflictos con la clase Answer de Drools
          es.guadaltel.gforms.client.domain.Answers a;
          a = answerService.getAnswers(idInstanceStr, idFormStr, idQuestionStr, null, null);
          if(a != null && !a.isEmpty()){
              dato = a.getAnswers().get(0).getValor();
          }
      } catch (Exception e) {
              System.out.println("Error al obtener datos");
      }
      return dato;
  }