gistfile1.txt

public class ResponseDto<T> {

    private Status status;
    private String message;
    private T object; //your bean or entity object

    public Status getStatus() {
        return status;
    }

    public void setStatus(Status status) {
        this.status = status;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public T getObject() {
        return object;
    }

    public void setObject(T object) {
        this.object = object;
    }

    public RestResponseDto toRestResponse() {
        RestResponseDto r = new RestResponseDto();
        r.setStatus(status);
        r.setMessage(message);
        r.setObject(object);
        return r;
    }

    /**
     * The actual reponse returned by the endpoints, since Cloud Endpoints does not supports generics.
     */
    public class RestResponseDto {

        private Status status;
        private String message;
        private Object object;

        public Status getStatus() {
            return status;
        }

        public void setStatus(Status status) {
            this.status = status;
        }

        public String getMessage() {
            return message;
        }

        public void setMessage(String message) {
            this.message = message;
        }

        public Object getObject() {
            return object;
        }

        public void setObject(Object object) {
            this.object = object;
        }

    }

    /**
     * This status of the overall response.
     */
    public enum Status {
        SUCCESS, ERROR
    }


}