Java Code Examples for com.sun.net.httpserver.HttpExchange#getResponseBody()

private void handleStreamData(final HttpExchange exchange) throws IOException {
  final Headers headers = exchange.getResponseHeaders();
  headers.add("Content-Type", this.mime);
  headers.add("Cache-Control", "no-cache, no-store");
  headers.add("Pragma", "no-cache");
  headers.add("Transfer-Encoding", "chunked");
  headers.add("Content-Transfer-Encoding", "binary");
  headers.add("Expires", "0");
  headers.add("Connection", "Keep-Alive");
  headers.add("Keep-Alive", "max");
  headers.add("Accept-Ranges", "none");

  exchange.sendResponseHeaders(200, 0);

  OutputStream os = exchange.getResponseBody();
  try {
    final TcpReader reader = this.tcpReaderRef.get();
    if (reader != null) {
      while (!stopped && !Thread.currentThread().isInterrupted()) {
        final byte[] data = reader.read();
        if (data != null) {
          os.write(data);
          os.flush();
        }
      }
    }
  } finally {
    os.close();
  }
}
 

@Override
public void handle(HttpExchange he) throws IOException {
    String response = "";
    LivePanel lp = QueleaApp.get().getMainWindow().getMainPanel().getLivePanel();
    if (running && lp.getDisplayable() instanceof TextDisplayable) {
        if (he.getRequestURI().toString().contains("/songtranslations")) {
            response = listSongTranslations(he);
        } else {
            response = getSongTranslation(he);
        }
        if (getLyrics(false).equals("")) {
            response = "";
        }
    }
    he.getResponseHeaders().add("Cache-Control", "no-cache, no-store, must-revalidate");
    he.sendResponseHeaders(200, response.getBytes(Charset.forName("UTF-8")).length);
    OutputStream os = he.getResponseBody();
    os.write(response.getBytes(Charset.forName("UTF-8")));
    os.close();
}
 

@Override
public void handle(HttpExchange he) throws IOException {
    String method = he.getRequestMethod();
    InputStream is = he.getRequestBody();
    if (method.equalsIgnoreCase("POST")) {
        String requestBody = new String(is.readAllBytes(), US_ASCII);
        if (!requestBody.equals(POST_BODY)) {
            he.sendResponseHeaders(500, -1);
            ok = false;
        } else {
            he.sendResponseHeaders(200, -1);
            ok = true;
        }
    } else { // GET
        he.sendResponseHeaders(200, RESPONSE.length());
        OutputStream os = he.getResponseBody();
        os.write(RESPONSE.getBytes(US_ASCII));
        os.close();
        ok = true;
    }
}
 

private void handleClientStart(final HttpExchange t, final ConsoleProxyClient viewer, final String title, final String guest) throws IOException {
    final List<String> languages = t.getRequestHeaders().get("Accept-Language");
    final String response = viewer.onAjaxClientStart(title, languages, guest);

    final Headers hds = t.getResponseHeaders();
    hds.set("Content-Type", "text/html");
    hds.set("Cache-Control", "no-cache");
    hds.set("Cache-Control", "no-store");
    hds.set("Strict-Transport-Security", "max-age=31536000; includeSubDomains");
    t.sendResponseHeaders(200, response.length());

    final OutputStream os = t.getResponseBody();
    try {
        os.write(response.getBytes());
    } finally {
        os.close();
    }
}
 

@Override
public void handle(HttpExchange he) throws IOException {
    if (RCHandler.isLoggedOn(he.getRemoteAddress().getAddress().toString())) {
        String pageContent = readFile("server/addpassagercspage.htm");
        pageContent = pageContent.replace("$1", LabelGrabber.INSTANCE.getLabel("rcs.submit"));
        pageContent = pageContent.replace("$2", LabelGrabber.INSTANCE.getLabel("bible.passage.selector.prompt"));
        byte[] bytes = pageContent.getBytes(Charset.forName("UTF-8"));
        he.getResponseHeaders().add("Cache-Control", "no-cache, no-store, must-revalidate");
        he.sendResponseHeaders(200, bytes.length);
        try (OutputStream os = he.getResponseBody()) {
            os.write(bytes);
        }
    } else {
        passwordPage(he);
    }
}
 

@Override
public void handle(HttpExchange t) throws IOException {
    if (RCHandler.isLoggedOn(t.getRemoteAddress().getAddress().toString())) {
        byte[] byteArray = RCHandler.getPresentationSlides(t);
        t.getResponseHeaders().add("Cache-Control", "no-cache, no-store, must-revalidate");
        t.sendResponseHeaders(200, byteArray.length);
        try (OutputStream out = t.getResponseBody()) {
            out.write(byteArray);
        }
    } else {
        passwordPage(t);
    }
}
 

static void okReply (HttpExchange exchange) throws IOException {
    exchange.getResponseHeaders().add("Connection", "close");
    String response = "Hello .";
    exchange.sendResponseHeaders(200, response.getBytes().length);
    OutputStream os = exchange.getResponseBody();
    os.write(response.getBytes());
    os.close();
    exchange.close();
}
 

@Override
public void handle(HttpExchange t) throws IOException {
    t.sendResponseHeaders(200, message.length());
    BufferedWriter writer = new BufferedWriter( new OutputStreamWriter(t.getResponseBody(), "ISO8859-1"));
    writer.write(message, 0, message.length());
    writer.close();
    t.close();
}
 

private void handleClientUpdate(final HttpExchange t, final ConsoleProxyClient viewer) throws IOException {
    final String response = viewer.onAjaxClientUpdate();

    final Headers hds = t.getResponseHeaders();
    hds.set("Content-Type", "text/javascript");
    hds.set("Strict-Transport-Security", "max-age=31536000; includeSubDomains");
    t.sendResponseHeaders(200, response.length());

    final OutputStream os = t.getResponseBody();
    try {
        os.write(response.getBytes());
    } finally {
        os.close();
    }
}
 

@Override
public void handle(HttpExchange t) throws IOException {
    try (InputStream is = t.getRequestBody()) {
        while (is.read() != -1);
    }
    t.sendResponseHeaders(respCode(), length());
    try (OutputStream os = t.getResponseBody()) {
        os.write(message());
    }
    t.close();
}
 

public void handle(HttpExchange exchange) throws IOException
{
  String nodes = "[{\"uri\":\"http://192.168.2.252:8083\",\"recentRequests\":119.0027780896941,\"recentFailures\":119.00267353393015,\"recentSuccesses\":1.0845754237194612E-4,\"lastRequestTime\":\"2016-01-14T13:26:29.948Z\",\"lastResponseTime\":\"2016-01-14T13:26:29.948Z\",\"recentFailureRatio\":0.999999121400646,\"age\":\"6.68h\",\"recentFailuresByType\":{\"java.util.concurrent.TimeoutException\":2.4567611856996272E-6,\"java.net.SocketTimeoutException\":119.00237271323728,\"java.net.SocketException\":2.98363931759331E-4}},{\"uri\":\"http://192.168.1.3:8082\",\"recentRequests\":119.00277802527565,\"recentFailures\":119.00282273097419,\"recentSuccesses\":0.0,\"lastRequestTime\":\"2016-01-14T13:26:29.701Z\",\"lastResponseTime\":\"2016-01-14T13:26:29.701Z\",\"recentFailureRatio\":1.0000003756693692,\"age\":\"21.81h\",\"recentFailuresByType\":{\"java.util.concurrent.TimeoutException\":0.0,\"java.net.SocketTimeoutException\":119.00258110193407,\"java.net.ConnectException\":0.0,\"java.net.SocketException\":2.416290401318479E-4,\"java.net.NoRouteToHostException\":1.3332509542453224E-21}}]\n";
  exchange.getResponseHeaders().add("Content-Type", "application/json");
  exchange.sendResponseHeaders(200, nodes.length());
  OutputStream os = exchange.getResponseBody();
  os.write(nodes.getBytes());
  os.close();
}
 

public void handle(HttpExchange httpExchange) throws IOException {
  httpExchange.getResponseHeaders().add("Access-Control-Allow-Origin", "*");
  httpExchange
      .getResponseHeaders()
      .add("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  final byte[] response = "OK".getBytes(UTF_8);
  httpExchange.sendResponseHeaders(HTTP_STATUS_CODE_OK, response.length);
  try (OutputStream stream = httpExchange.getResponseBody()) {
    stream.write(response);
  }
}
 

@Override
public void handle(final HttpExchange httpExchange) throws IOException {
    final URI requestURI = httpExchange.getRequestURI();
    Message.info("Handling " + httpExchange.getRequestMethod() + " request " + requestURI);
    final URI artifactURI;
    try {
        artifactURI = new URI(webContextRoot).relativize(requestURI);
    } catch (URISyntaxException e) {
        throw new IOException(e);
    }
    final Path localFilePath = localFileRepoRoot.resolve(artifactURI.toString());
    if (httpExchange.getRequestMethod().equals("HEAD")) {
        final boolean available = this.isPresent(localFilePath);
        if (!available) {
            httpExchange.sendResponseHeaders(404, -1);
        } else {
            httpExchange.sendResponseHeaders(200, -1);
        }
        return;
    }
    if (!httpExchange.getRequestMethod().equals("GET")) {
        throw new IOException("Cannot handle " + httpExchange.getRequestMethod() + " HTTP method");
    }
    final OutputStream responseStream = httpExchange.getResponseBody();
    @SuppressWarnings("unused")
    final int numBytes = this.serve(httpExchange, localFilePath, responseStream);
    responseStream.close();
}
 

/**
 * 响应请求，返回静态资源
 * @param httpExchange
 * @param code
 * @param bytes
 * @throws IOException
 */
private void responseStaticToClient(HttpExchange httpExchange, Integer code, byte[] bytes)
		throws IOException {
	httpExchange.sendResponseHeaders(code, bytes.length);
	OutputStream out = httpExchange.getResponseBody();
	out.write(bytes);
	out.flush();
	httpExchange.close();
}
 

@Override
public void handle(HttpExchange t) throws IOException {
    InputStream is  = t.getRequestBody();
    byte[] ba = new byte[8192];
    while(is.read(ba) != -1);

    t.sendResponseHeaders(200, RESP_LENGTH);
    try (OutputStream os = t.getResponseBody()) {
        os.write(new byte[RESP_LENGTH]);
    }
    t.close();
}
 

@Override
public void handle(HttpExchange t) throws IOException {
    if (html == null) {
        html = Util.getResource("webapp/js/jquery-2.1.4.min.js");
    }
    t.sendResponseHeaders(200, html.getBytes(Constant.CHARSET).length);
    OutputStream os = t.getResponseBody();
    os.write(html.getBytes(Constant.CHARSET));
    os.close();
}
 

public void handle(HttpExchange exchange) throws IOException
{
  String nodes = "[{\"uri\":\"http://192.168.1.3:8082\",\"recentRequests\":119.00277802527565,\"recentFailures\":119.00282273097419,\"recentSuccesses\":0.0,\"lastRequestTime\":\"2016-01-14T13:26:29.701Z\",\"lastResponseTime\":\"2016-01-14T13:26:29.701Z\",\"recentFailureRatio\":1.0000003756693692,\"age\":\"21.81h\",\"recentFailuresByType\":{\"java.util.concurrent.TimeoutException\":0.0,\"java.net.SocketTimeoutException\":119.00258110193407,\"java.net.ConnectException\":0.0,\"java.net.SocketException\":2.416290401318479E-4,\"java.net.NoRouteToHostException\":1.3332509542453224E-21}}]\n";
  exchange.getResponseHeaders().add("Content-Type", "application/json");
  exchange.sendResponseHeaders(200, nodes.length());
  OutputStream os = exchange.getResponseBody();
  os.write(nodes.getBytes());
  os.close();
}
 

@Override
public void handle(HttpExchange t) throws IOException {
    if (html == null) {
        html = Util.getResource("webapp/js/jquery-2.1.4.min.js");
    }
    t.sendResponseHeaders(200, html.getBytes(Constant.CHARSET).length);
    OutputStream os = t.getResponseBody();
    os.write(html.getBytes(Constant.CHARSET));
    os.close();
}
 

public static void sendResponse(HttpExchange xchg, StringBuilder response) throws IOException {
    xchg.sendResponseHeaders(200, response.length());
    OutputStream os = xchg.getResponseBody();
    os.write(response.toString().getBytes());
    os.close();
}
 

@Override
public void authenticatedClientHandle(final HttpExchange exchange, final String username)
		throws IOException, UnauthorizedException, NotFoundException, BadRequestException,
		ResourceUnavailableException, ConflictException, InternalServerException {

	// Extract secret name from request
	final String queryString = exchange.getRequestURI().getQuery();
	final Map<String, List<String>> params = HttpRequestProcessor.parseQueryString(queryString);

	final String secretName = HttpRequestProcessor.getParameterValue(params, SECRET_NAME_FIELD);
	if (secretName == null) {
		throw new BadRequestException();
	}

	// Perform authentication
	accessEnforcement.enforceAccess(username, secretName, REQUEST_PERMISSION);

	// Ensure shareholder exists
	final ApvssShareholder shareholder = this.shareholders.get(secretName);
	if (shareholder == null) {
		throw new NotFoundException();
	}
	// Make sure secret is not disabled
	if (!shareholder.isEnabled()) {
		throw new ResourceUnavailableException();
	}
	// If DKG already started, it is too late, but we allow RSA keys to be updated
	if ((shareholder.getSharingType() != null)) {
		throw new ConflictException();
	}

	// Parse values from RSA storage operation
	final String nStr = HttpRequestProcessor.getParameterValue(params, MODULUS_VALUE);
	final BigInteger n = (nStr == null) ? null : new BigInteger(nStr);

	final String eStr = HttpRequestProcessor.getParameterValue(params, PUBLIC_EXPONENT_VALUE);
	final BigInteger e = (eStr == null) ? null : new BigInteger(eStr);

	final String vStr = HttpRequestProcessor.getParameterValue(params, VERIFICATION_BASE);
	final BigInteger v = (vStr == null) ? null : new BigInteger(vStr);

	final BigInteger[] verificationKeys = new BigInteger[shareholder.getN()];
	for (int i = 1; i <= shareholder.getN(); i++) {
		final String vStrI = HttpRequestProcessor.getParameterValue(params, VERIFICATION_KEYS + i);
		verificationKeys[i - 1] = (vStrI == null) ? null : new BigInteger(vStrI);
	}

	// Prepare to formulate response
	final int serverIndex = shareholder.getIndex();
	final String response;

	// Extract share from the request
	final List<String> shareValues = params.get(SHARE_VALUE);
	if ((shareValues == null) || (shareValues.size() != 1) || (shareValues.get(0) == null)) {
		// Unset the stored value
		shareholder.setStoredShareOfSecret(null);
		response = "s_" + serverIndex + " has been unset, DKG will use a random value for '" + secretName + "'.";
	} else {
		final BigInteger shareValue = new BigInteger(shareValues.get(0));
		if ((e != null) && (n != null) && (v != null)) {
			// Store RSA share, e and exponent n
			RSAPublicKeySpec spec = new RSAPublicKeySpec(n, e);
			KeyFactory keyFactory;
			try {
				keyFactory = KeyFactory.getInstance("RSA");

				final RsaSharing rsaSharing = new RsaSharing(shareholder.getN(), shareholder.getK(), (RSAPublicKey) keyFactory.generatePublic(spec), null, null, v, verificationKeys);
				shareholder.setRsaSecret(shareValue, rsaSharing);
				response = "RSA share have been stored.";
			}
			 catch ( NoSuchAlgorithmException | InvalidKeySpecException e1) {
				 throw new InternalServerException();
			 }
		} else {
			shareholder.setStoredShareOfSecret(shareValue);
			response = "s_" + serverIndex + " has been stored, DKG will use it for representing '" + secretName
					+ "' in the DKG.";
		}
	}

	// Create response
	final byte[] binaryResponse = response.getBytes(StandardCharsets.UTF_8);

	// Write headers
	exchange.sendResponseHeaders(HttpStatusCode.SUCCESS, binaryResponse.length);

	// Write response
	try (final OutputStream os = exchange.getResponseBody();) {
		os.write(binaryResponse);
	}
}