code: public Entity toEntity(Object obj) {
          try {
              return toEntity(obj, null, null, null);
          } catch (Siren4JException e) {
              throw new Siren4JConversionException(e);
          }
      }
docs: /* (non-Javadoc)
  @see com.google.code.siren4j.converter.ResourceConverter#toEntity(java.lang.Object)