Examples with ExceptionMapper io.crnk.core.engine.error.ExceptionMapper used on opensource projects

Example 6 with ExceptionMapper

use of io.crnk.core.engine.error.ExceptionMapper in project crnk-framework by crnk-project.

the class ExceptionMapperRegistry method findMapperFor.

@SuppressWarnings({ "rawtypes", "unchecked" })
public <E extends Throwable> Optional<ExceptionMapper<E>> findMapperFor(ErrorResponse errorResponse) {
    int currentDepth = -1;
    ExceptionMapper closestExceptionMapper = null;
    for (ExceptionMapperType mapperType : exceptionMappers) {
        JsonApiExceptionMapper mapperObj = mapperType.getExceptionMapper();
        if (mapperObj instanceof ExceptionMapper) {
            ExceptionMapper mapper = (ExceptionMapper) mapperObj;
            boolean accepted = mapper.accepts(errorResponse);
            if (accepted) {
                // the exception with the most super types is chosen
                int tempDepth = countSuperTypes(mapperType.getExceptionClass());
                if (tempDepth > currentDepth) {
                    currentDepth = tempDepth;
                    closestExceptionMapper = mapper;
                }
            }
        }
    }
    return (Optional) Optional.ofNullable(closestExceptionMapper);
}