コード例 #1
0
  public void appendHead(Response res) throws IOException {
    if (log.isDebugEnabled())
      log.debug("COMMIT sending headers " + res + " " + res.getMimeHeaders());

    C2BConverter c2b = mc.getConverter();

    outputMsg.reset();
    outputMsg.appendByte(AjpConstants.JK_AJP13_SEND_HEADERS);
    outputMsg.appendInt(res.getStatus());

    String message = null;
    if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER
        && HttpMessages.isSafeInHttpHeader(res.getMessage())) {
      message = res.getMessage();
    }
    if (message == null) {
      message = HttpMessages.getMessage(res.getStatus());
    }
    if (message == null) {
      // mod_jk + httpd 2.x fails with a null status message - bug 45026
      message = Integer.toString(res.getStatus());
    }
    tempMB.setString(message);
    c2b.convert(tempMB);
    outputMsg.appendBytes(tempMB);

    // XXX add headers

    MimeHeaders headers = res.getMimeHeaders();
    String contentType = res.getContentType();
    if (contentType != null) {
      headers.setValue("Content-Type").setString(contentType);
    }
    String contentLanguage = res.getContentLanguage();
    if (contentLanguage != null) {
      headers.setValue("Content-Language").setString(contentLanguage);
    }
    long contentLength = res.getContentLengthLong();
    if (contentLength >= 0) {
      headers.setValue("Content-Length").setLong(contentLength);
    }
    int numHeaders = headers.size();
    outputMsg.appendInt(numHeaders);
    for (int i = 0; i < numHeaders; i++) {
      MessageBytes hN = headers.getName(i);
      // no header to sc conversion - there's little benefit
      // on this direction
      outputMsg.appendBytes(hN);

      MessageBytes hV = headers.getValue(i);
      outputMsg.appendBytes(hV);
    }
    mc.getSource().send(outputMsg, mc);
  }