Method close

java/org/apache/catalina/connector/OutputBuffer.java:208–245

Close the output buffer. This tries to calculate the response size if the response has not been committed yet. @throws IOException An underlying IOException occurred

()

     * @throws IOException An underlying IOException occurred
     */
    @Override
    public void close() throws IOException {

        if (closed) {
            return;
        }
        if (suspended) {
            return;
        }

        // If there are chars, flush all of them to the byte buffer now as bytes are used to
        // calculate the content-length (if everything fits into the byte buffer, of course).
        if (cb.remaining() > 0) {
            flushCharBuffer();
        }

        // Content length can be calculated if:
        // - the response has not been committed
        // AND
        // - the content length has not been explicitly set
        // AND
        // - some content has been written OR this is NOT a HEAD request
        if (!coyoteResponse.isCommitted() && coyoteResponse.getContentLengthLong() == -1 &&
                (bb.remaining() > 0 || !Method.HEAD.equals(coyoteResponse.getRequest().getMethod()))) {
            coyoteResponse.setContentLength(bb.remaining());
        }

        doFlush(coyoteResponse.getStatus() == HttpServletResponse.SC_SWITCHING_PROTOCOLS);
        closed = true;

        // The request should have been completely read by the time the response
        // is closed. Further reads of the input a) are pointless and b) really
        // confuse AJP (bug 50189) so close the input buffer to prevent them.
        Request req = (Request) coyoteResponse.getRequest().getNote(CoyoteAdapter.ADAPTER_NOTES);
        req.inputBuffer.close();

        coyoteResponse.action(ActionCode.CLOSE, null);
    }


    /**