Examples of com.sun.net.httpserver.Headers

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

     * Returns the String value of the specified cookie.
     * @param name a String specifying the cookie name.
     */
    public String getCookie(final String name)
    {
        Headers headers = _exchange.getRequestHeaders();
        if (!headers.containsKey("Cookie"))
        {
            return null;
        }


        List<String> values = headers.get("cookie");
        for (String value : values)
        {
            String[] cookies = value.split(";");
            for (String cookie : cookies)
            {

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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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                }
                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 (

View Full Code Here


    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;

View Full Code Here

    {
        public void handle(HttpExchange exchange) throws IOException
        {
            assertEquals("HTTP/1.1", exchange.getProtocol());
            assertEquals("POST", exchange.getRequestMethod());
            Headers headers = exchange.getRequestHeaders();
            assertTrue (headers.containsKey("foo"));
            String val = headers.getFirst("foo");
          
            assertEquals ("fooValue", val);
            assertNotNull (exchange.getHttpContext());
            assertEquals ("/foo", exchange.getHttpContext().getPath());
            assertTrue (this == exchange.getHttpContext().getHandler());
            assertTrue (exchange.getHttpContext().getAttributes().containsKey("fooAttribute"));
            assertEquals("fooValue", (String)exchange.getHttpContext().getAttributes().get("fooAttribute"));
           
            assertEquals ("Was Here", (String)exchange.getAttribute("fooFilter"));
            assertEquals ("Was Also Here", (String)exchange.getAttribute("barFilter"));
            
            assertNotNull(exchange.getPrincipal());
            assertEquals("humpty", exchange.getPrincipal().getName());
            
            String response = "Hello World!";
            InputStream is = exchange.getRequestBody();
            String body = IO.toString(is);
            assertEquals(0, body.length());
            
            Headers responseHeaders = exchange.getResponseHeaders();
            responseHeaders.add("bar", "barValue");
            exchange.sendResponseHeaders(200, response.length());
            OutputStream os = exchange.getResponseBody();
            os.write(response.getBytes());
            os.close();
        }

View Full Code Here

    }


    @Override
    public Headers getRequestHeaders()
    {
        Headers headers = new Headers();
        Enumeration en = _req.getHeaderNames();
        while (en.hasMoreElements())
        {
            String name = (String) en.nextElement();
            Enumeration en2 = _req.getHeaders(name);
            while (en2.hasMoreElements())
            {
                String value = (String) en2.nextElement();
                headers.add(name, value);
            }
        }
        return headers;
    }

View Full Code Here

    @Override
    public void handle(HttpExchange exchange) throws IOException {
        String requestMethod = exchange.getRequestMethod();
        if (requestMethod.equalsIgnoreCase("GET")) {
            String fileName = exchange.getRequestURI().getPath().substring("/s4/".length());
            Headers responseHeaders = exchange.getResponseHeaders();
            responseHeaders.set(HttpHeaders.Names.CONTENT_TYPE, HttpHeaders.Values.BYTES);
            exchange.sendResponseHeaders(200, Files.toByteArray(new File(tmpDir, fileName)).length);


            OutputStream responseBody = exchange.getResponseBody();


            ByteStreams.copy(new FileInputStream(new File(tmpDir, fileName)), responseBody);

View Full Code Here


    @Override
    public void handle(HttpExchange httpExchange) throws IOException {
        try {
            if (HttpTransportConstants.METHOD_GET.equals(httpExchange.getRequestMethod())) {
                Headers headers = httpExchange.getResponseHeaders();
                headers.set(HttpTransportConstants.HEADER_CONTENT_TYPE, CONTENT_TYPE);
                ByteArrayOutputStream os = new ByteArrayOutputStream();
                transform(definition.getSource(), new StreamResult(os));
                byte[] buf = os.toByteArray();
                httpExchange.sendResponseHeaders(HttpTransportConstants.STATUS_OK, buf.length);
                FileCopyUtils.copy(buf, httpExchange.getResponseBody());

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            Graphics2D bufImageGraphics = bufferedImage.createGraphics();
            bufImageGraphics.drawImage(scaledImage, 0, 0, null);
            ByteArrayOutputStream bos = new ByteArrayOutputStream(8196);
            javax.imageio.ImageIO.write(bufferedImage, "jpg", bos);
            byte[] bs = bos.toByteArray();
            Headers hds = t.getResponseHeaders();
            hds.set("Content-Type", "image/jpeg");
            hds.set("Cache-Control", "no-cache");
            hds.set("Cache-Control", "no-store");
            t.sendResponseHeaders(200, bs.length);
            OutputStream os = t.getResponseBody();
            os.write(bs);
            os.close();
        } else {
            AjaxFIFOImageCache imageCache = viewer.getAjaxImageCache();
                    byte[] img = imageCache.getImage(key);
    
            if(img != null) {
                Headers hds = t.getResponseHeaders();
                hds.set("Content-Type", "image/jpeg");
                t.sendResponseHeaders(200, img.length);
                
                OutputStream os = t.getResponseBody();
                try {
                    os.write(img, 0, img.length);

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        String cmd = path.substring(i + 1);
        s_logger.info("Get CMD request for " + cmd);
        if (cmd.equals("getstatus")) {
            ConsoleProxyClientStatsCollector statsCollector = ConsoleProxy.getStatsCollector();
            
            Headers hds = t.getResponseHeaders();
            hds.set("Content-Type", "text/plain");
            t.sendResponseHeaders(200, 0);
            OutputStreamWriter os = new OutputStreamWriter(t.getResponseBody());
            statsCollector.getStatsReport(os);
            os.close();
        }

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