Examples of com.sun.net.httpserver.HttpExchange

com.sun.net.httpserver.HttpExchange
This class encapsulates a HTTP request received and a response to be generated in one exchange. It provides methods for examining the request from the client, and for building and sending the response.
The typical life-cycle of a HttpExchange is shown in the sequence below.
1. {@link #getRequestMethod()} to determine the command
2. {@link #getRequestHeaders()} to examine the request headers (if needed)
3. {@link #getRequestBody()} returns a {@link java.io.InputStream} for reading the request body.After reading the request body, the stream is close.
4. {@link #getResponseHeaders()} to set any response headers, except content-length
5. {@link #sendResponseHeaders(int,long)} to send the response headers. Must be called beforenext step.
6. {@link #getResponseBody()} to get a {@link java.io.OutputStream} to send the response body.When the response body has been written, the stream must be closed to terminate the exchange.
Terminating exchanges
Exchanges are terminated when both the request InputStream and response OutputStream are closed. Closing the OutputStream, implicitly closes the InputStream (if it is not already closed). However, it is recommended to consume all the data from the InputStream before closing it. The convenience method {@link #close()} does all of these tasks.Closing an exchange without consuming all of the request body is not an error but may make the underlying TCP connection unusable for following exchanges. The effect of failing to terminate an exchange is undefined, but will typically result in resources failing to be freed/reused. @since 1.6

        handler = new JolokiaHttpHandler(getConfig());
    }


    @Test
    public void testCallbackGet() throws IOException, URISyntaxException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/jolokia/read/java.lang:type=Memory/HeapMemoryUsage?callback=data");


        // Simple GET method
        expect(exchange.getRequestMethod()).andReturn("GET");




        Headers header = new Headers();
        ByteArrayOutputStream out = prepareResponse(handler, exchange, header);

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        assertTrue(result.startsWith("data({"));
    }


    @Test
    public void testCallbackPost() throws URISyntaxException, IOException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/jolokia?callback=data");


        // Simple GET method
        expect(exchange.getRequestMethod()).andReturn("POST");


        Headers reqHeaders = new Headers();
        reqHeaders.add("Content-Type","text/plain; charset=UTF-8");
        expect(exchange.getRequestHeaders()).andReturn(reqHeaders);
        String req = "{\"timestamp\":1287914327,\"status\":200," +
                "\"request\":{\"mbean\":\"java.lang:type=Memory\",\"attribute\":\"HeapMemoryUsage\",\"type\":\"read\"}," +
                "\"value\":{\"max\":\"129957888\",\"committed\":\"85000192\",\"init\":\"0\",\"used\":\"6813824\"}}";
        byte[] buf = req.getBytes("utf-8");
        InputStream is = new ByteArrayInputStream(buf);
        expect(exchange.getRequestBody()).andReturn(is);
        Headers header = new Headers();
        ByteArrayOutputStream out = prepareResponse(handler, exchange, header);


        handler.handle(exchange);

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        assertTrue(result.endsWith("});"));
        assertTrue(result.startsWith("data({"));
    }


    private HttpExchange prepareExchange(String pUri) throws URISyntaxException {
        HttpExchange exchange = EasyMock.createMock(HttpExchange.class);
        URI uri = new URI(pUri);
        expect(exchange.getRequestURI()).andReturn(uri);
        expect(exchange.getRemoteAddress()).andReturn(new InetSocketAddress(8080));
        return exchange;
    }

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        if (!target.startsWith(getContextPath()))
        {
            return;
        }


        HttpExchange jettyHttpExchange;
        if (baseRequest.isSecure())
        {
            jettyHttpExchange = new JettyHttpsExchange(_httpContext,req,resp);
        }
        else
        {
            jettyHttpExchange = new JettyHttpExchange(_httpContext,req,resp);
        }


        // TODO: add filters processing


        try
        {
            Authenticator auth = _httpContext.getAuthenticator();
            if (auth != null)
            {
                handleAuthentication(resp,jettyHttpExchange,auth);
            }
            else
            {
                _httpHandler.handle(jettyHttpExchange);
            }
        }
        catch (Exception ex)
        {
            PrintWriter writer = new PrintWriter(jettyHttpExchange.getResponseBody());


            resp.setStatus(500);
            writer.println("<h2>HTTP ERROR: 500</h2>");
            writer.println("<pre>INTERNAL_SERVER_ERROR</pre>");
            writer.println("<p>RequestURI=" + req.getRequestURI() + "</p>");

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        handler.stop();
    }


    @Test
    public void testCallbackGet() throws IOException, URISyntaxException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/jolokia/read/java.lang:type=Memory/HeapMemoryUsage?callback=data");


        // Simple GET method
        expect(exchange.getRequestMethod()).andReturn("GET");


        Headers header = new Headers();
        ByteArrayOutputStream out = prepareResponse(handler, exchange, header);


        handler.doHandle(exchange);

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        assertTrue(result.startsWith("data({"));
    }


    @Test
    public void testCallbackPost() throws URISyntaxException, IOException, java.text.ParseException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/jolokia?callback=data",
                                                "Content-Type","text/plain; charset=UTF-8",
                                                "Origin",null
                                               );


        // Simple GET method

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        assertTrue(parsedExpires.before(now) || parsedExpires.equals(now));
    }


    @Test
    public void invalidMethod() throws URISyntaxException, IOException, ParseException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/");


        // Simple GET method
        expect(exchange.getRequestMethod()).andReturn("PUT");
        Headers header = new Headers();
        ByteArrayOutputStream out = prepareResponse(handler, exchange, header);
        handler.doHandle(exchange);


        JSONObject resp = (JSONObject) new JSONParser().parse(out.toString());

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                {"classpath:/${prop:jolokia.test1.policy.location}", "not allowed"},
                {"classpath:/${prop:jolokia.test2.policy.location}.xml", "not allowed"}
        }) {
            Configuration config = getConfig(ConfigKey.POLICY_LOCATION,params[0]);
            JolokiaHttpHandler newHandler = new JolokiaHttpHandler(config);
            HttpExchange exchange = prepareExchange("http://localhost:8080/jolokia/read/java.lang:type=Memory/HeapMemoryUsage");
            // Simple GET method
            expect(exchange.getRequestMethod()).andReturn("GET");
            Headers header = new Headers();
            ByteArrayOutputStream out = prepareResponse(handler, exchange, header);
            newHandler.start(false);
            try {
                newHandler.doHandle(exchange);

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        JolokiaHttpHandler handler = new JolokiaHttpHandler(getConfig(ConfigKey.LOGHANDLER_CLASS,InvalidLogHandler.class.getName()));
    }


    @Test
    public void simlePostRequestWithCors() throws URISyntaxException, IOException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/jolokia",
                                                "Content-Type","text/plain; charset=UTF-8",
                                                "Origin","http://localhost:8080/"
                                               );


        prepareMemoryPostReadRequest(exchange);

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        expect(pExchange.getRequestBody()).andReturn(is);
    }


    @Test
    public void preflightCheck() throws URISyntaxException, IOException {
        HttpExchange exchange = prepareExchange("http://localhost:8080/",
                                                "Origin","http://localhost:8080/",
                                                "Access-Control-Request-Headers","X-Bla, X-Blub");
        expect(exchange.getRequestMethod()).andReturn("OPTIONS");


        Headers header = new Headers();
        ByteArrayOutputStream out = prepareResponse(handler, exchange, header);
        handler.doHandle(exchange);
        assertEquals(header.getFirst("Access-Control-Allow-Origin"),"http://localhost:8080/");

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