Examples of MimeHeaders


Examples of org.apache.tomcat.util.http.MimeHeaders

       Iterator cookies = saved.getCookies();
       while (cookies.hasNext()) {
           request.addCookie((Cookie) cookies.next());
       }

       MimeHeaders rmh = request.getCoyoteRequest().getMimeHeaders();
       rmh.recycle();
       boolean cachable = "GET".equalsIgnoreCase(saved.getMethod()) ||
                          "HEAD".equalsIgnoreCase(saved.getMethod());
       Iterator names = saved.getHeaderNames();
       while (names.hasNext()) {
           String name = (String) names.next();
           // The browser isn't expecting this conditional response now.
           // Assuming that it can quietly recover from an unexpected 412.
           // BZ 43687
           if(!("If-Modified-Since".equalsIgnoreCase(name) ||
                (cachable && "If-None-Match".equalsIgnoreCase(name)))) {
               Iterator values = saved.getHeaderValues(name);
               while (values.hasNext()) {
                   rmh.addValue(name).setString( (String)values.next() );
               }
           }
       }
      
       request.clearLocales();
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Examples of org.apache.tomcat.util.http.MimeHeaders

     * Return an array of all the header names set for this response, or
     * a zero-length array if no headers have been set.
     */
    public String[] getHeaderNames() {

        MimeHeaders headers = coyoteResponse.getMimeHeaders();
        int n = headers.size();
        String[] result = new String[n];
        for (int i = 0; i < n; i++) {
            result[i] = headers.getName(i).toString();
        }
        return result;

    }
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Examples of org.apache.tomcat.util.http.MimeHeaders

        String name = cookie.getName();
        final String headername = "Set-Cookie";
        final String startsWith = name + "=";
        final StringBuffer sb = generateCookieString(cookie, httpOnly);
        boolean set = false;
        MimeHeaders headers = coyoteResponse.getMimeHeaders();
        int n = headers.size();
        for (int i = 0; i < n; i++) {
            if (headers.getName(i).toString().equals(headername)) {
                if (headers.getValue(i).toString().startsWith(startsWith)) {
                    headers.getValue(i).setString(sb.toString());
                    set = true;
                }
            }
        }
        if (set) {
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Examples of org.apache.tomcat.util.http.MimeHeaders

            methodMB.setString(Constants.GET);
        } else if (methodMB.equals(Constants.POST)) {
            methodMB.setString(Constants.POST);
        }

        MimeHeaders headers = request.getMimeHeaders();

        // Check connection header
        MessageBytes connectionValueMB = headers.getValue(Constants.CONNECTION);
        if (connectionValueMB != null) {
            ByteChunk connectionValueBC = connectionValueMB.getByteChunk();
            if (findBytes(connectionValueBC, Constants.CLOSE_BYTES) != -1) {
                keepAlive = false;
            } else if (findBytes(connectionValueBC,
                                 Constants.KEEPALIVE_BYTES) != -1) {
                keepAlive = true;
            }
        }

        MessageBytes expectMB = null;
        if (http11) {
            expectMB = headers.getValue("expect");
        }
        if ((expectMB != null)
            && (expectMB.indexOfIgnoreCase("100-continue", 0) != -1)) {
            getInputBuffer().setSwallowInput(false);
            expectation = true;
        }

        // Check user-agent header
        if ((restrictedUserAgents != null) && ((http11) || (keepAlive))) {
            MessageBytes userAgentValueMB = headers.getValue("user-agent");
            // Check in the restricted list, and adjust the http11
            // and keepAlive flags accordingly
            if(userAgentValueMB != null) {
                String userAgentValue = userAgentValueMB.toString();
                if (restrictedUserAgents != null &&
                        restrictedUserAgents.matcher(userAgentValue).matches()) {
                    http11 = false;
                    keepAlive = false;
                }
            }
        }

        // Check for a full URI (including protocol://host:port/)
        ByteChunk uriBC = request.requestURI().getByteChunk();
        if (uriBC.startsWithIgnoreCase("http", 0)) {

            int pos = uriBC.indexOf("://", 0, 3, 4);
            int uriBCStart = uriBC.getStart();
            int slashPos = -1;
            if (pos != -1) {
                byte[] uriB = uriBC.getBytes();
                slashPos = uriBC.indexOf('/', pos + 3);
                if (slashPos == -1) {
                    slashPos = uriBC.getLength();
                    // Set URI as "/"
                    request.requestURI().setBytes
                        (uriB, uriBCStart + pos + 1, 1);
                } else {
                    request.requestURI().setBytes
                        (uriB, uriBCStart + slashPos,
                         uriBC.getLength() - slashPos);
                }
                MessageBytes hostMB = headers.setValue("host");
                hostMB.setBytes(uriB, uriBCStart + pos + 3,
                                slashPos - pos - 3);
            }

        }

        // Input filter setup
        InputFilter[] inputFilters = getInputBuffer().getFilters();

        // Parse transfer-encoding header
        MessageBytes transferEncodingValueMB = null;
        if (http11) {
            transferEncodingValueMB = headers.getValue("transfer-encoding");
        }
        if (transferEncodingValueMB != null) {
            String transferEncodingValue = transferEncodingValueMB.toString();
            // Parse the comma separated list. "identity" codings are ignored
            int startPos = 0;
            int commaPos = transferEncodingValue.indexOf(',');
            String encodingName = null;
            while (commaPos != -1) {
                encodingName = transferEncodingValue.substring
                    (startPos, commaPos).toLowerCase(Locale.ENGLISH).trim();
                if (!addInputFilter(inputFilters, encodingName)) {
                    // Unsupported transfer encoding
                    error = true;
                    // 501 - Unimplemented
                    response.setStatus(501);
                }
                startPos = commaPos + 1;
                commaPos = transferEncodingValue.indexOf(',', startPos);
            }
            encodingName = transferEncodingValue.substring(startPos)
                .toLowerCase(Locale.ENGLISH).trim();
            if (!addInputFilter(inputFilters, encodingName)) {
                // Unsupported transfer encoding
                error = true;
                // 501 - Unimplemented
                if (getLog().isDebugEnabled()) {
                    getLog().debug(sm.getString("http11processor.request.prepare")+
                              " Unsupported transfer encoding \""+encodingName+"\"");
                }
                response.setStatus(501);
            }
        }

        // Parse content-length header
        long contentLength = request.getContentLengthLong();
        if (contentLength >= 0) {
            if (contentDelimitation) {
                // contentDelimitation being true at this point indicates that
                // chunked encoding is being used but chunked encoding should
                // not be used with a content length. RFC 2616, section 4.4,
                // bullet 3 states Content-Length must be ignored in this case -
                // so remove it.
                headers.removeHeader("content-length");
                request.setContentLength(-1);
            } else {
                getInputBuffer().addActiveFilter
                        (inputFilters[Constants.IDENTITY_FILTER]);
                contentDelimitation = true;
            }
        }

        MessageBytes valueMB = headers.getValue("host");

        // Check host header
        if (http11 && (valueMB == null)) {
            error = true;
            // 400 - Bad request
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Examples of org.apache.tomcat.util.http.MimeHeaders

            if (useCompression) {
                response.setContentLength(-1);
            }
        }

        MimeHeaders headers = response.getMimeHeaders();
        if (!entityBody) {
            response.setContentLength(-1);
        }
        // A SC_NO_CONTENT response may include entity headers
        if (entityBody || statusCode == HttpServletResponse.SC_NO_CONTENT) {
            String contentType = response.getContentType();
            if (contentType != null) {
                headers.setValue("Content-Type").setString(contentType);
            }
            String contentLanguage = response.getContentLanguage();
            if (contentLanguage != null) {
                headers.setValue("Content-Language")
                    .setString(contentLanguage);
            }
        }

        long contentLength = response.getContentLengthLong();
        boolean connectionClosePresent = false;
        if (contentLength != -1) {
            headers.setValue("Content-Length").setLong(contentLength);
            getOutputBuffer().addActiveFilter
                (outputFilters[Constants.IDENTITY_FILTER]);
            contentDelimitation = true;
        } else {
            // If the response code supports an entity body and we're on
            // HTTP 1.1 then we chunk unless we have a Connection: close header
            connectionClosePresent = isConnectionClose(headers);
            if (entityBody && http11 && !connectionClosePresent) {
                getOutputBuffer().addActiveFilter
                    (outputFilters[Constants.CHUNKED_FILTER]);
                contentDelimitation = true;
                headers.addValue(Constants.TRANSFERENCODING).setString(Constants.CHUNKED);
            } else {
                getOutputBuffer().addActiveFilter
                    (outputFilters[Constants.IDENTITY_FILTER]);
            }
        }

        if (useCompression) {
            getOutputBuffer().addActiveFilter(outputFilters[Constants.GZIP_FILTER]);
            headers.setValue("Content-Encoding").setString("gzip");
        }
        // If it might be compressed, set the Vary header
        if (isCompressable) {
            // Make Proxies happy via Vary (from mod_deflate)
            MessageBytes vary = headers.getValue("Vary");
            if (vary == null) {
                // Add a new Vary header
                headers.setValue("Vary").setString("Accept-Encoding");
            } else if (vary.equals("*")) {
                // No action required
            } else {
                // Merge into current header
                headers.setValue("Vary").setString(
                        vary.getString() + ",Accept-Encoding");
            }
        }

        // Add date header unless application has already set one (e.g. in a
        // Caching Filter)
        if (headers.getValue("Date") == null) {
            headers.setValue("Date").setString(
                    FastHttpDateFormat.getCurrentDate());
        }

        // FIXME: Add transfer encoding header

        if ((entityBody) && (!contentDelimitation)) {
            // Mark as close the connection after the request, and add the
            // connection: close header
            keepAlive = false;
        }

        // If we know that the request is bad this early, add the
        // Connection: close header.
        keepAlive = keepAlive && !statusDropsConnection(statusCode);
        if (!keepAlive) {
            // Avoid adding the close header twice
            if (!connectionClosePresent) {
                headers.addValue(Constants.CONNECTION).setString(
                        Constants.CLOSE);
            }
        } else if (!http11 && !error) {
            headers.addValue(Constants.CONNECTION).setString(Constants.KEEPALIVE);
        }

        // Build the response header
        getOutputBuffer().sendStatus();

        // Add server header
        if (server != null) {
            // Always overrides anything the app might set
            headers.setValue("Server").setString(server);
        } else if (headers.getValue("Server") == null) {
            // If app didn't set the header, use the default
            getOutputBuffer().write(Constants.SERVER_BYTES);
        }

        int size = headers.size();
        for (int i = 0; i < size; i++) {
            getOutputBuffer().sendHeader(headers.getName(i), headers.getValue(i));
        }
        getOutputBuffer().endHeaders();

    }
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Examples of org.apache.tomcat.util.http.MimeHeaders

    }


    private boolean parseHeader() throws IOException {

        MimeHeaders headers = request.getMimeHeaders();

        byte chr = 0;

        // Read new bytes if needed
        if (pos >= lastValid) {
            if (readBytes() <0)
                throw new EOFException("Unexpected end of stream whilst reading trailer headers for chunked request");
        }

        chr = buf[pos];

        // CRLF terminates the request
        if (chr == Constants.CR || chr == Constants.LF) {
            parseCRLF(false);
            return false;
        }

        // Mark the current buffer position
        int start = trailingHeaders.getEnd();

        //
        // Reading the header name
        // Header name is always US-ASCII
        //

        boolean colon = false;
        while (!colon) {

            // Read new bytes if needed
            if (pos >= lastValid) {
                if (readBytes() <0)
                    throw new EOFException("Unexpected end of stream whilst reading trailer headers for chunked request");
            }

            chr = buf[pos];
            if ((chr >= Constants.A) && (chr <= Constants.Z)) {
                chr = (byte) (chr - Constants.LC_OFFSET);
            }

            if (chr == Constants.COLON) {
                colon = true;
            } else {
                trailingHeaders.append(chr);
            }

            pos++;

        }
        MessageBytes headerValue = headers.addValue(trailingHeaders.getBytes(),
                start, trailingHeaders.getEnd() - start);

        // Mark the current buffer position
        start = trailingHeaders.getEnd();
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Examples of org.apache.tomcat.util.http.MimeHeaders

        if (isSSL) {
            request.scheme().setString("https");
        }

        // Decode headers
        MimeHeaders headers = request.getMimeHeaders();

        // Set this every time in case limit has been changed via JMX
        headers.setLimit(endpoint.getMaxHeaderCount());

        boolean contentLengthSet = false;
        int hCount = requestHeaderMessage.getInt();
        for(int i = 0 ; i < hCount ; i++) {
            String hName = null;

            // Header names are encoded as either an integer code starting
            // with 0xA0, or as a normal string (in which case the first
            // two bytes are the length).
            int isc = requestHeaderMessage.peekInt();
            int hId = isc & 0xFF;

            MessageBytes vMB = null;
            isc &= 0xFF00;
            if(0xA000 == isc) {
                requestHeaderMessage.getInt(); // To advance the read position
                hName = Constants.getHeaderForCode(hId - 1);
                vMB = headers.addValue(hName);
            } else {
                // reset hId -- if the header currently being read
                // happens to be 7 or 8 bytes long, the code below
                // will think it's the content-type header or the
                // content-length header - SC_REQ_CONTENT_TYPE=7,
                // SC_REQ_CONTENT_LENGTH=8 - leading to unexpected
                // behaviour.  see bug 5861 for more information.
                hId = -1;
                requestHeaderMessage.getBytes(tmpMB);
                ByteChunk bc = tmpMB.getByteChunk();
                vMB = headers.addValue(bc.getBuffer(),
                        bc.getStart(), bc.getLength());
            }

            requestHeaderMessage.getBytes(vMB);

            if (hId == Constants.SC_REQ_CONTENT_LENGTH ||
                    (hId == -1 && tmpMB.equalsIgnoreCase("Content-Length"))) {
                long cl = vMB.getLong();
                if (contentLengthSet) {
                    response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                    error = true;
                } else {
                    contentLengthSet = true;
                    // Set the content-length header for the request
                    request.setContentLength(cl);
                }
                if (cl != 0) {
                    bodyPresent = true;
                }
            } else if (hId == Constants.SC_REQ_CONTENT_TYPE ||
                    (hId == -1 && tmpMB.equalsIgnoreCase("Content-Type"))) {
                // just read the content-type header, so set it
                ByteChunk bchunk = vMB.getByteChunk();
                request.contentType().setBytes(bchunk.getBytes(),
                        bchunk.getOffset(),
                        bchunk.getLength());
            }
        }

        // Decode extra attributes
        boolean secret = false;
        byte attributeCode;
        while ((attributeCode = requestHeaderMessage.getByte())
                != Constants.SC_A_ARE_DONE) {

            switch (attributeCode) {

            case Constants.SC_A_REQ_ATTRIBUTE :
                requestHeaderMessage.getBytes(tmpMB);
                String n = tmpMB.toString();
                requestHeaderMessage.getBytes(tmpMB);
                String v = tmpMB.toString();
                /*
                 * AJP13 misses to forward the remotePort.
                 * Allow the AJP connector to add this info via
                 * a private request attribute.
                 * We will accept the forwarded data as the remote port,
                 * and remove it from the public list of request attributes.
                 */
                if(n.equals(Constants.SC_A_REQ_REMOTE_PORT)) {
                    try {
                        request.setRemotePort(Integer.parseInt(v));
                    } catch (NumberFormatException nfe) {
                        // Ignore invalid value
                    }
                } else {
                    request.setAttribute(n, v );
                }
                break;

            case Constants.SC_A_CONTEXT :
                requestHeaderMessage.getBytes(tmpMB);
                // nothing
                break;

            case Constants.SC_A_SERVLET_PATH :
                requestHeaderMessage.getBytes(tmpMB);
                // nothing
                break;

            case Constants.SC_A_REMOTE_USER :
                if (tomcatAuthentication) {
                    // ignore server
                    requestHeaderMessage.getBytes(tmpMB);
                } else {
                    requestHeaderMessage.getBytes(request.getRemoteUser());
                }
                break;

            case Constants.SC_A_AUTH_TYPE :
                if (tomcatAuthentication) {
                    // ignore server
                    requestHeaderMessage.getBytes(tmpMB);
                } else {
                    requestHeaderMessage.getBytes(request.getAuthType());
                }
                break;

            case Constants.SC_A_QUERY_STRING :
                requestHeaderMessage.getBytes(request.queryString());
                break;

            case Constants.SC_A_JVM_ROUTE :
                requestHeaderMessage.getBytes(request.instanceId());
                break;

            case Constants.SC_A_SSL_CERT :
                // SSL certificate extraction is lazy, moved to JkCoyoteHandler
                requestHeaderMessage.getBytes(certificates);
                break;

            case Constants.SC_A_SSL_CIPHER :
                requestHeaderMessage.getBytes(tmpMB);
                request.setAttribute(SSLSupport.CIPHER_SUITE_KEY,
                        tmpMB.toString());
                break;

            case Constants.SC_A_SSL_SESSION :
                requestHeaderMessage.getBytes(tmpMB);
                request.setAttribute(SSLSupport.SESSION_ID_KEY,
                        tmpMB.toString());
                break;

            case Constants.SC_A_SSL_KEY_SIZE :
                request.setAttribute(SSLSupport.KEY_SIZE_KEY,
                        Integer.valueOf(requestHeaderMessage.getInt()));
                break;

            case Constants.SC_A_STORED_METHOD:
                requestHeaderMessage.getBytes(request.method());
                break;

            case Constants.SC_A_SECRET:
                requestHeaderMessage.getBytes(tmpMB);
                if (requiredSecret != null) {
                    secret = true;
                    if (!tmpMB.equals(requiredSecret)) {
                        response.setStatus(403);
                        error = true;
                    }
                }
                break;

            default:
                // Ignore unknown attribute for backward compatibility
                break;

            }

        }

        // Check if secret was submitted if required
        if ((requiredSecret != null) && !secret) {
            response.setStatus(403);
            error = true;
        }

        // Check for a full URI (including protocol://host:port/)
        ByteChunk uriBC = request.requestURI().getByteChunk();
        if (uriBC.startsWithIgnoreCase("http", 0)) {

            int pos = uriBC.indexOf("://", 0, 3, 4);
            int uriBCStart = uriBC.getStart();
            int slashPos = -1;
            if (pos != -1) {
                byte[] uriB = uriBC.getBytes();
                slashPos = uriBC.indexOf('/', pos + 3);
                if (slashPos == -1) {
                    slashPos = uriBC.getLength();
                    // Set URI as "/"
                    request.requestURI().setBytes
                    (uriB, uriBCStart + pos + 1, 1);
                } else {
                    request.requestURI().setBytes
                    (uriB, uriBCStart + slashPos,
                            uriBC.getLength() - slashPos);
                }
                MessageBytes hostMB = headers.setValue("host");
                hostMB.setBytes(uriB, uriBCStart + pos + 3,
                        slashPos - pos - 3);
            }

        }
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Examples of org.apache.tomcat.util.http.MimeHeaders

        }
        tmpMB.setString(message);
        responseMessage.appendBytes(tmpMB);

        // Special headers
        MimeHeaders headers = response.getMimeHeaders();
        String contentType = response.getContentType();
        if (contentType != null) {
            headers.setValue("Content-Type").setString(contentType);
        }
        String contentLanguage = response.getContentLanguage();
        if (contentLanguage != null) {
            headers.setValue("Content-Language").setString(contentLanguage);
        }
        long contentLength = response.getContentLengthLong();
        if (contentLength >= 0) {
            headers.setValue("Content-Length").setLong(contentLength);
        }

        // Other headers
        int numHeaders = headers.size();
        responseMessage.appendInt(numHeaders);
        for (int i = 0; i < numHeaders; i++) {
            MessageBytes hN = headers.getName(i);
            int hC = Constants.getResponseAjpIndex(hN.toString());
            if (hC > 0) {
                responseMessage.appendInt(hC);
            }
            else {
                responseMessage.appendBytes(hN);
            }
            MessageBytes hV=headers.getValue(i);
            responseMessage.appendBytes(hV);
        }

        // Write to buffer
        responseMessage.end();
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Examples of org.apache.tomcat.util.http.MimeHeaders

            methodMB.setString(Constants.GET);
        } else if (methodMB.equals(Constants.POST)) {
            methodMB.setString(Constants.POST);
        }

        MimeHeaders headers = request.getMimeHeaders();

        // Check connection header
        MessageBytes connectionValueMB = headers.getValue("connection");
        if (connectionValueMB != null) {
            ByteChunk connectionValueBC = connectionValueMB.getByteChunk();
            if (findBytes(connectionValueBC, Constants.CLOSE_BYTES) != -1) {
                keepAlive = false;
            } else if (findBytes(connectionValueBC,
                                 Constants.KEEPALIVE_BYTES) != -1) {
                keepAlive = true;
            }
        }

        MessageBytes expectMB = null;
        if (http11)
            expectMB = headers.getValue("expect");
        if ((expectMB != null)
            && (expectMB.indexOfIgnoreCase("100-continue", 0) != -1)) {
            inputBuffer.setSwallowInput(false);
            expectation = true;
        }

        // Check user-agent header
        if ((restrictedUserAgents != null) && ((http11) || (keepAlive))) {
            MessageBytes userAgentValueMB = headers.getValue("user-agent");
            // Check in the restricted list, and adjust the http11
            // and keepAlive flags accordingly
            if(userAgentValueMB != null) {
                String userAgentValue = userAgentValueMB.toString();
                for (int i = 0; i < restrictedUserAgents.length; i++) {
                    if (restrictedUserAgents[i].matcher(userAgentValue).matches()) {
                        http11 = false;
                        keepAlive = false;
                        break;
                    }
                }
            }
        }

        // Check for a full URI (including protocol://host:port/)
        ByteChunk uriBC = request.requestURI().getByteChunk();
        if (uriBC.startsWithIgnoreCase("http", 0)) {

            int pos = uriBC.indexOf("://", 0, 3, 4);
            int uriBCStart = uriBC.getStart();
            int slashPos = -1;
            if (pos != -1) {
                byte[] uriB = uriBC.getBytes();
                slashPos = uriBC.indexOf('/', pos + 3);
                if (slashPos == -1) {
                    slashPos = uriBC.getLength();
                    // Set URI as "/"
                    request.requestURI().setBytes
                        (uriB, uriBCStart + pos + 1, 1);
                } else {
                    request.requestURI().setBytes
                        (uriB, uriBCStart + slashPos,
                         uriBC.getLength() - slashPos);
                }
                MessageBytes hostMB = headers.setValue("host");
                hostMB.setBytes(uriB, uriBCStart + pos + 3,
                                slashPos - pos - 3);
            }

        }

        // Input filter setup
        InputFilter[] inputFilters = inputBuffer.getFilters();

        // Parse transfer-encoding header
        MessageBytes transferEncodingValueMB = null;
        if (http11)
            transferEncodingValueMB = headers.getValue("transfer-encoding");
        if (transferEncodingValueMB != null) {
            String transferEncodingValue = transferEncodingValueMB.toString();
            // Parse the comma separated list. "identity" codings are ignored
            int startPos = 0;
            int commaPos = transferEncodingValue.indexOf(',');
            String encodingName = null;
            while (commaPos != -1) {
                encodingName = transferEncodingValue.substring
                    (startPos, commaPos).toLowerCase().trim();
                if (!addInputFilter(inputFilters, encodingName)) {
                    // Unsupported transfer encoding
                    error = true;
                    // 501 - Unimplemented
                    response.setStatus(501);
                }
                startPos = commaPos + 1;
                commaPos = transferEncodingValue.indexOf(',', startPos);
            }
            encodingName = transferEncodingValue.substring(startPos)
                .toLowerCase().trim();
            if (!addInputFilter(inputFilters, encodingName)) {
                // Unsupported transfer encoding
                error = true;
                // 501 - Unimplemented
                response.setStatus(501);
            }
        }

        // Parse content-length header
        long contentLength = request.getContentLengthLong();
        if (contentLength >= 0 && !contentDelimitation) {
            inputBuffer.addActiveFilter
                (inputFilters[Constants.IDENTITY_FILTER]);
            contentDelimitation = true;
        }

        MessageBytes valueMB = headers.getValue("host");

        // Check host header
        if (http11 && (valueMB == null)) {
            error = true;
            // 400 - Bad request
View Full Code Here

Examples of org.apache.tomcat.util.http.MimeHeaders

            if (useCompression) {
                response.setContentLength(-1);
            }
        }

        MimeHeaders headers = response.getMimeHeaders();
        if (!entityBody) {
            response.setContentLength(-1);
        } else {
            String contentType = response.getContentType();
            if (contentType != null) {
                headers.setValue("Content-Type").setString(contentType);
            }
            String contentLanguage = response.getContentLanguage();
            if (contentLanguage != null) {
                headers.setValue("Content-Language")
                    .setString(contentLanguage);
            }
        }

        long contentLength = response.getContentLengthLong();
        if (contentLength != -1) {
            headers.setValue("Content-Length").setLong(contentLength);
            outputBuffer.addActiveFilter
                (outputFilters[Constants.IDENTITY_FILTER]);
            contentDelimitation = true;
        } else {
            if (entityBody && http11 && keepAlive) {
                outputBuffer.addActiveFilter
                    (outputFilters[Constants.CHUNKED_FILTER]);
                contentDelimitation = true;
                headers.addValue(Constants.TRANSFERENCODING).setString(Constants.CHUNKED);
            } else {
                outputBuffer.addActiveFilter
                    (outputFilters[Constants.IDENTITY_FILTER]);
            }
        }

        if (useCompression) {
            outputBuffer.addActiveFilter(outputFilters[Constants.GZIP_FILTER]);
            headers.setValue("Content-Encoding").setString("gzip");
            // Make Proxies happy via Vary (from mod_deflate)
            headers.setValue("Vary").setString("Accept-Encoding");
        }

        // Add date header
        headers.setValue("Date").setString(FastHttpDateFormat.getCurrentDate());

        // FIXME: Add transfer encoding header

        if ((entityBody) && (!contentDelimitation)) {
            // Mark as close the connection after the request, and add the
            // connection: close header
            keepAlive = false;
        }

        // If we know that the request is bad this early, add the
        // Connection: close header.
        keepAlive = keepAlive && !statusDropsConnection(statusCode);
        if (!keepAlive) {
            headers.addValue(Constants.CONNECTION).setString(Constants.CLOSE);
        } else if (!http11 && !error) {
            headers.addValue(Constants.CONNECTION).setString(Constants.KEEPALIVE);
        }

        // Build the response header
        outputBuffer.sendStatus();

        // Add server header
        if (server != null) {
            headers.setValue("Server").setString(server);
        } else {
            outputBuffer.write(Constants.SERVER_BYTES);
        }

        int size = headers.size();
        for (int i = 0; i < size; i++) {
            outputBuffer.sendHeader(headers.getName(i), headers.getValue(i));
        }
        outputBuffer.endHeaders();

    }
View Full Code Here
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