ErrorToJsonFilter.java 文件源码

@Override
public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain) throws IOException {
    try {
        chain.doFilter(request, response);
    } catch (final Exception exception) {
        // Error before security/jax-rs management
        log.error("High level error", exception);

        // Catch this stack
        final HttpServletResponse response3 = (HttpServletResponse) response;
        response3.setStatus(Status.INTERNAL_SERVER_ERROR.getStatusCode());
        response3.setContentType(MediaType.APPLICATION_JSON_TYPE.toString());
        response3.setCharacterEncoding(StandardCharsets.UTF_8.name());
        response3.getOutputStream().write("{\"code\":\"internal\"}".getBytes(StandardCharsets.UTF_8));
        response3.flushBuffer();
    }

}