public void doFilter()

in src/main/java/org/apache/sling/engine/impl/filter/ErrorFilterChain.java [75:116]
40 lines of code
10 McCabe index (conditional complexity)

    public void doFilter(final ServletRequest request, final ServletResponse response) throws ServletException, IOException {
        if ( firstCall ) {
            if (request.getAttribute(RECURSION_ATTRIBUTE) != null) {
                if ( this.mode == Mode.STATUS ) {
                    if ( message == null) {
                        LOG.warn(PREFIX_RECURSION.concat(String.valueOf(status)));
                    } else {
                        LOG.warn(PREFIX_RECURSION.concat(String.valueOf(status)).concat(" : ").concat(message));
                    }
                } else {
                    if ( throwable.getMessage() != null ) {
                        LOG.warn(PREFIX_RECURSION.concat(throwable.getMessage()), throwable);
                    } else {
                        LOG.warn(PREFIX_RECURSION.concat(throwable.getClass().getName()), throwable);
                    }
                }
                return;
            }
            request.setAttribute(RECURSION_ATTRIBUTE, "true");
            firstCall = false;
            // do nothing if response is already committed
            if (response.isCommitted()) {
                if ( this.mode == Mode.STATUS ) {
                    if ( message == null) {
                        LOG.warn(PREFIX_COMMITTED.concat(String.valueOf(status)));
                    } else {
                        LOG.warn(PREFIX_COMMITTED.concat(String.valueOf(status)).concat(" : ").concat(message));
                    }
                } else {
                    if ( throwable.getMessage() != null ) {
                        LOG.warn(PREFIX_COMMITTED.concat(throwable.getMessage()), throwable);
                    } else {
                        LOG.warn(PREFIX_COMMITTED.concat(throwable.getClass().getName()), throwable);
                    }
                }
                return;
            }
            // reset the response to clear headers and body
            response.reset();    
        }
        super.doFilter(request, response);
    }