Examples of org.jboss.com.sun.net.httpserver.Headers

Package org.jboss.com.sun.net.httpserver

Examples of org.jboss.com.sun.net.httpserver.Headers

org.jboss.com.sun.net.httpserver.Headers
HTTP request and response headers are represented by this class which implements the interface {@link java.util.Map}< {@link java.lang.String}, {@link java.util.List}< {@link java.lang.String}>>. The keys are case-insensitive Strings representing the header names and the value associated with each key is a {@link List}< {@link String}> with one element for each occurence of the header name in the request or response.
For example, if a response header instance contains one key "HeaderName" with two values "value1 and value2" then this object is output as two header lines:
```
 HeaderName: value1 HeaderName: value2 
```
All the normal {@link java.util.Map} methods are provided, but the followingadditional convenience methods are most likely to be used:
- {@link #getFirst(String)} returns a single valued header or the first value ofa multi-valued header.
- {@link #add(String,String)} adds the given header value to the list for the given key
- {@link #set(String,String)} sets the given header field to the single value givenoverwriting any existing values in the value list.
All methods in this class accept null values for keys and values. However, null keys will never will be present in HTTP request headers, and will not be output/sent in response headers. Null values can be represented as either a null entry for the key (i.e. the list is null) or where the key has a list, but one (or more) of the list's values is null. Null values are output as a header line containing the key but no associated value. @since 1.6

     * @param encode Flag indicating whether or not to Base64 encode the response payload.
     * @throws IOException if an error occurs while attempting to generate the HTTP response.
     */
    private void writeResponse(final HttpExchange http, boolean isGet, boolean pretty, ModelNode response, int status,
            boolean encode, String contentType) throws IOException {
        final Headers responseHeaders = http.getResponseHeaders();
        responseHeaders.add(CONTENT_TYPE, contentType);
        http.sendResponseHeaders(status, 0);


        final OutputStream out = http.getResponseBody();
        final PrintWriter print = new PrintWriter(out);

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        while (!stream.isOuterStreamClosed()) {
            // purposefully send the trailing CRLF to headers so that a headerless body can be detected
            MimeHeaderParser.ParseResult result = MimeHeaderParser.parseHeaders(stream);
            if (result.eof()) continue; // Skip content-less part


            Headers partHeaders = result.headers();
            String disposition = partHeaders.getFirst(CONTENT_DISPOSITION);
            if (disposition != null) {
                matcher = DISPOSITION_FILE.matcher(disposition);
                if (matcher.matches()) {
                    SeekResult seek = new SeekResult();
                    seek.fileName = matcher.group(1);

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            return;
        }


        String path = uri.getPath();
        if (path.equals("/")) {
            Headers responseHeaders = http.getResponseHeaders();
            responseHeaders.add(LOCATION, CONSOLE_LOCATION);
            http.sendResponseHeaders(MOVED_PERMENANTLY, 0);
            http.close();
        } else {
            http.sendResponseHeaders(NOT_FOUND, -1);
        }

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        if (context.isAuthenticated()) {
            return new Authenticator.Success(context.getPrincipal());
        }


        // No previous authentication so time to continue the process.
        Headers requestHeaders = httpExchange.getRequestHeaders();
        if (requestHeaders.containsKey(AUTHORIZATION_HEADER) == false) {
            Headers responseHeaders = httpExchange.getResponseHeaders();


            responseHeaders.add(WWW_AUTHENTICATE_HEADER, CHALLENGE + " " + createChallenge(false));


            return new Authenticator.Retry(UNAUTHORIZED);
        }


        String authorizationHeader = requestHeaders.getFirst(AUTHORIZATION_HEADER);
        if (authorizationHeader.startsWith(CHALLENGE + " ") == false) {
            throw MESSAGES.invalidAuthorizationHeader();
        }
        String challenge = authorizationHeader.substring(CHALLENGE.length() + 1);
        Map<String, String> challengeParameters = parseDigestChallenge(challenge);


        // Validate Challenge, expect one of 3 responses VALID, INVALID, STALE


        HttpPrincipal principal = validateUser(httpExchange, challengeParameters);


        // INVALID - Username / Password verification failed - Nonce is irrelevant.
        if (principal == null) {
            if (challengeParameters.containsKey(NONCE)) {
                nonceFactory.useNonce(challengeParameters.get(NONCE));
            }


            Headers responseHeaders = httpExchange.getResponseHeaders();
            responseHeaders.add(WWW_AUTHENTICATE_HEADER, CHALLENGE + " " + createChallenge(false));
            return new Authenticator.Retry(UNAUTHORIZED);
        }


        // VALID - Verified username and password, Nonce is correct.
        if (nonceFactory.useNonce(challengeParameters.get(NONCE))) {
            context.principal = principal;


            return new Authenticator.Success(principal);
        }


        // STALE - Verification of username and password succeeded but Nonce now stale.
        Headers responseHeaders = httpExchange.getResponseHeaders();
        responseHeaders.add(WWW_AUTHENTICATE_HEADER, CHALLENGE + " " + createChallenge(true));
        return new Authenticator.Retry(UNAUTHORIZED);
    }

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    }




    private DigestContext getOrCreateNegotiationContext(HttpExchange httpExchange) {
        Headers headers = httpExchange.getRequestHeaders();
        boolean proxied = headers.containsKey(VIA);


        if (proxied) {
            return new DigestContext();
        } else {
            DigestContext context = (DigestContext) httpExchange.getAttribute(DigestContext.KEY, HttpExchange.AttributeScope.CONNECTION);

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    ExchangeImpl (
        String m, URI u, Request req, long len, HttpConnection connection
    ) throws IOException {
        this.req = req;
        this.reqHdrs = req.headers();
        this.rspHdrs = new Headers();
        this.method = m;
        this.uri = u;
        this.connection = connection;
        this.reqContentLen = len;
        /* ros only used for headers, body written directly to stream */

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    Headers headers () throws IOException {
        if (hdrs != null) {
            return hdrs;
        }
        hdrs = new Headers();


        char s[] = new char[10];
        int firstc = is.read();
        while (firstc != LF && firstc != CR && firstc >= 0) {
            int len = 0;

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                }
                String uriStr = requestLine.substring (start, space);
                URI uri = new URI (uriStr);
                start = space+1;
                String version = requestLine.substring (start);
                Headers headers = req.headers();
                String s = headers.getFirst ("Transfer-encoding");
                long clen = 0L;
                if (s !=null && s.equalsIgnoreCase ("chunked")) {
                    clen = -1L;
                } else {
                    s = headers.getFirst ("Content-Length");
                    if (s != null) {
                        clen = Long.parseLong(s);
                    }
                }
                ctx = contexts.findContext (protocol, uri.getPath());
                if (ctx == null) {
                    reject (Code.HTTP_NOT_FOUND,
                            requestLine, "No context found for request");
                    return;
                }
                connection.setContext (ctx);
                if (ctx.getHandler() == null) {
                    reject (Code.HTTP_INTERNAL_ERROR,
                            requestLine, "No handler for context");
                    return;
                }
                tx = new ExchangeImpl (
                    method, uri, req, clen, connection
                );
                String chdr = headers.getFirst("Connection");
                Headers rheaders = tx.getResponseHeaders();


                if (chdr != null && chdr.equalsIgnoreCase ("close")) {
                    tx.close = true;
                }
                if (version.equalsIgnoreCase ("http/1.0")) {
                    tx.http10 = true;
                    if (chdr == null) {
                        tx.close = true;
                        rheaders.set ("Connection", "close");
                    } else if (chdr.equalsIgnoreCase ("keep-alive")) {
                        rheaders.set ("Connection", "keep-alive");
                        int idle=(int)ServerConfig.getIdleInterval()/1000;
                        int max=(int)ServerConfig.getMaxIdleConnections();
                        String val = "timeout="+idle+", max="+max;
                        rheaders.set ("Keep-Alive", val);
                    }
                }


                if (newconnection) {
                    connection.setParameters (

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        if (resource.equals("")) {
            /*
             * This is a request to the root of the context, redirect to the
             * default resource.
             */
            Headers responseHeaders = http.getResponseHeaders();
            responseHeaders.add(LOCATION, context + defaultResource);
            http.sendResponseHeaders(MOVED_PERMENANTLY, 0);
            http.close();


            return;
        } else if (resource.indexOf(".") == -1) {
            respond404(http);
        }


        /*
         * This allows a sub-class of the ResourceHandler to store resources it may need in META-INF
         * without these resources being served up to remote clients unchecked.
         */
        if (resource.startsWith("META-INF")) {
            http.sendResponseHeaders(FORBIDDEN, 0);
            http.close();


            return;
        }


        // load resource
        ResourceHandle handle = getResourceHandle(resource);


        if(handle.getInputStream()!=null) {


            InputStream inputStream = handle.getInputStream();


            final Headers responseHeaders = http.getResponseHeaders();
            responseHeaders.add(CONTENT_TYPE, resolveContentType(path));


            // provide the ability to cache GWT artifacts
            if(!skipCache(resource)){


                if(System.currentTimeMillis()>lastExpiryDate) {
                    lastExpiryDate = calculateExpiryDate();
                    lastExpiryHeader = createDateFormat().format(new Date(lastExpiryDate));
                }


                responseHeaders.add(CACHE_CONTROL_HEADER, "private, max-age=2678400, must-revalidate");
                responseHeaders.add(EXPIRES_HEADER, lastExpiryHeader);
            }


            responseHeaders.add(LAST_MODIFIED_HEADER, lastModified);
            responseHeaders.add(CONTENT_LENGTH_HEADER, String.valueOf(handle.getSize()));


            http.sendResponseHeaders(OK, 0);


            // nio write
            OutputStream outputStream = http.getResponseBody();

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        return contentType;
    }


    private void respond404(HttpExchange http) throws IOException {


        final Headers responseHeaders = http.getResponseHeaders();
        responseHeaders.add(CONTENT_TYPE, TEXT_HTML);
        http.sendResponseHeaders(NOT_FOUND, 0);
        OutputStream out = http.getResponseBody();
        out.flush();
        safeClose(out);
    }

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