Example usage for javax.servlet.http HttpServletResponse SC_MULTIPLE_CHOICES

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse SC_MULTIPLE_CHOICES.

Prototype

int SC_MULTIPLE_CHOICES

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Document

Status code (300) indicating that the requested resource corresponds to any one of a set of representations, each with its own specific location.

Usage

From source file:com.qlkh.client.server.proxy.ProxyServlet.java

/**
 * Executes the {@link org.apache.commons.httpclient.HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link javax.servlet.http.HttpServletResponse}
 *
 * @param httpMethodProxyRequest An object representing the proxy request to be made
 * @param httpServletResponse    An object by which we can send the proxied
 *                               response back to the client
 * @throws java.io.IOException      Can be thrown by the {@link org.apache.commons.httpclient.HttpClient}.executeMethod
 * @throws javax.servlet.ServletException Can be thrown to indicate that another error has occurred
 *///from  w ww.  j  a v a  2  s . c  o  m
private void executeProxyRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws IOException, ServletException {

    if (httpServletRequest.isSecure()) {
        Protocol.registerProtocol("https", new Protocol("https", new EasySSLProtocolSocketFactory(), 443));
    }
    // Create a default HttpClient
    HttpClient httpClient = new HttpClient();
    httpMethodProxyRequest.setFollowRedirects(false);
    // Execute the request
    int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);
    InputStream response = httpMethodProxyRequest.getResponseBodyAsStream();

    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    // Hooray for open source software
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES
            /* 300 */ && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        String stringStatusCode = Integer.toString(intProxyResponseCode);
        String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
        if (stringLocation == null) {
            throw new ServletException("Received status code: " + stringStatusCode + " but no "
                    + STRING_LOCATION_HEADER + " header was found in the response");
        }
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String stringMyHostName = httpServletRequest.getServerName();
        if (httpServletRequest.getServerPort() != 80) {
            stringMyHostName += ":" + httpServletRequest.getServerPort();
        }
        stringMyHostName += httpServletRequest.getContextPath();
        if (followRedirects) {
            if (stringLocation.contains("jsessionid")) {
                Cookie cookie = new Cookie("JSESSIONID",
                        stringLocation.substring(stringLocation.indexOf("jsessionid=") + 11));
                cookie.setPath("/");
                httpServletResponse.addCookie(cookie);
                //debug("redirecting: set jessionid (" + cookie.getValue() + ") cookie from URL");
            } else if (httpMethodProxyRequest.getResponseHeader("Set-Cookie") != null) {
                Header header = httpMethodProxyRequest.getResponseHeader("Set-Cookie");
                String[] cookieDetails = header.getValue().split(";");
                String[] nameValue = cookieDetails[0].split("=");

                Cookie cookie = new Cookie(nameValue[0], nameValue[1]);
                cookie.setPath("/");
                //debug("redirecting: setting cookie: " + cookie.getName() + ":" + cookie.getValue() + " on " + cookie.getPath());
                httpServletResponse.addCookie(cookie);
            }
            httpServletResponse.sendRedirect(
                    stringLocation.replace(getProxyHostAndPort() + this.getProxyPath(), stringMyHostName));
            return;
        }
    } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
        // 304 needs special handling.  See:
        // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
        // We get a 304 whenever passed an 'If-Modified-Since'
        // header and the data on disk has not changed; server
        // responds w/ a 304 saying I'm not going to send the
        // body because the file has not changed.
        httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    // Pass the response code back to the client
    httpServletResponse.setStatus(intProxyResponseCode);

    // Pass response headers back to the client
    Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
    for (Header header : headerArrayResponse) {
        if (header.getName().equals("Transfer-Encoding") && header.getValue().equals("chunked")
                || header.getName().equals("Content-Encoding") && header.getValue().equals("gzip") || // don't copy gzip header
                header.getName().equals("WWW-Authenticate")) { // don't copy WWW-Authenticate header so browser doesn't prompt on failed basic auth
            // proxy servlet does not support chunked encoding
        } else {
            httpServletResponse.setHeader(header.getName(), header.getValue());
        }
    }

    List<Header> responseHeaders = Arrays.asList(headerArrayResponse);

    if (isBodyParameterGzipped(responseHeaders)) {
        debug("GZipped: true");
        int length = 0;

        if (!followRedirects && intProxyResponseCode == HttpServletResponse.SC_MOVED_TEMPORARILY) {
            String gz = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
            httpServletResponse.setStatus(HttpServletResponse.SC_OK);
            intProxyResponseCode = HttpServletResponse.SC_OK;
            httpServletResponse.setHeader(STRING_LOCATION_HEADER, gz);
        } else {
            final byte[] bytes = ungzip(httpMethodProxyRequest.getResponseBody());
            length = bytes.length;
            response = new ByteArrayInputStream(bytes);
        }
        httpServletResponse.setContentLength(length);
    }

    // Send the content to the client
    debug("Received status code: " + intProxyResponseCode, "Response: " + response);

    //httpServletResponse.getWriter().write(response);
    copy(response, httpServletResponse.getOutputStream());
}

---

From source file:io.fabric8.gateway.servlet.ProxyServlet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link javax.servlet.http.HttpServletResponse}
 *
 * @param proxyDetails/*w  ww .  ja v  a  2  s. c o  m*/
 * @param httpMethodProxyRequest An object representing the proxy request to be made
 * @param httpServletResponse    An object by which we can send the proxied
 *                               response back to the client
 * @throws java.io.IOException            Can be thrown by the {@link HttpClient}.executeMethod
 * @throws javax.servlet.ServletException Can be thrown to indicate that another error has occurred
 */
private void executeProxyRequest(ProxyDetails proxyDetails, HttpMethod httpMethodProxyRequest,
        HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
        throws IOException, ServletException {
    httpMethodProxyRequest.setDoAuthentication(false);
    httpMethodProxyRequest.setFollowRedirects(false);

    // Create a default HttpClient
    HttpClient httpClient = proxyDetails.createHttpClient(httpMethodProxyRequest);

    // Execute the request
    int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);

    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    // Hooray for open source software
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        String stringStatusCode = Integer.toString(intProxyResponseCode);
        String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
        if (stringLocation == null) {
            throw new ServletException("Received status code: " + stringStatusCode + " but no "
                    + STRING_LOCATION_HEADER + " header was found in the response");
        }
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String stringMyHostName = httpServletRequest.getServerName();
        if (httpServletRequest.getServerPort() != 80) {
            stringMyHostName += ":" + httpServletRequest.getServerPort();
        }
        stringMyHostName += httpServletRequest.getContextPath();
        httpServletResponse.sendRedirect(stringLocation
                .replace(proxyDetails.getProxyHostAndPort() + proxyDetails.getProxyPath(), stringMyHostName));
        return;
    } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
        // 304 needs special handling.  See:
        // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
        // We get a 304 whenever passed an 'If-Modified-Since'
        // header and the data on disk has not changed; server
        // responds w/ a 304 saying I'm not going to send the
        // body because the file has not changed.
        httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    // Pass the response code back to the client
    httpServletResponse.setStatus(intProxyResponseCode);

    // Pass response headers back to the client
    Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
    for (Header header : headerArrayResponse) {
        if (!ProxySupport.isHopByHopHeader(header.getName())) {
            if (ProxySupport.isSetCookieHeader(header)) {
                HttpProxyRule proxyRule = proxyDetails.getProxyRule();
                String setCookie = ProxySupport.replaceCookieAttributes(header.getValue(),
                        proxyRule.getCookiePath(), proxyRule.getCookieDomain());
                httpServletResponse.setHeader(header.getName(), setCookie);
            } else {
                httpServletResponse.setHeader(header.getName(), header.getValue());
            }
        }
    }

    // check if we got data, that is either the Content-Length > 0
    // or the response code != 204
    int code = httpMethodProxyRequest.getStatusCode();
    boolean noData = code == HttpStatus.SC_NO_CONTENT;
    if (!noData) {
        String length = httpServletRequest.getHeader(STRING_CONTENT_LENGTH_HEADER_NAME);
        if (length != null && "0".equals(length.trim())) {
            noData = true;
        }
    }
    LOG.trace("Response has data? {}", !noData);

    if (!noData) {
        // Send the content to the client
        InputStream inputStreamProxyResponse = httpMethodProxyRequest.getResponseBodyAsStream();
        BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStreamProxyResponse);
        OutputStream outputStreamClientResponse = httpServletResponse.getOutputStream();
        int intNextByte;
        while ((intNextByte = bufferedInputStream.read()) != -1) {
            outputStreamClientResponse.write(intNextByte);
        }
    }
}

---

From source file:it.geosolutions.httpproxy.HTTPProxy.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response back to the client via the given {@link HttpServletResponse}
 * // w w w . ja  va2  s  .c om
 * @param httpMethodProxyRequest An object representing the proxy request to be made
 * @param httpServletResponse An object by which we can send the proxied response back to the client
 * @param digest
 * @throws IOException Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException Can be thrown to indicate that another error has occurred
 */
private void executeProxyRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse, String user, String password, ProxyInfo proxyInfo)
        throws IOException, ServletException {

    if (user != null && password != null) {
        UsernamePasswordCredentials upc = new UsernamePasswordCredentials(user, password);
        httpClient.getState().setCredentials(AuthScope.ANY, upc);
    }

    httpMethodProxyRequest.setFollowRedirects(false);

    InputStream inputStreamServerResponse = null;
    ByteArrayOutputStream baos = null;

    try {

        // //////////////////////////
        // Execute the request
        // //////////////////////////

        int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);

        onRemoteResponse(httpMethodProxyRequest);

        // ////////////////////////////////////////////////////////////////////////////////
        // Check if the proxy response is a redirect
        // The following code is adapted from
        // org.tigris.noodle.filters.CheckForRedirect
        // Hooray for open source software
        // ////////////////////////////////////////////////////////////////////////////////

        if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
                && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {

            String stringStatusCode = Integer.toString(intProxyResponseCode);
            String stringLocation = httpMethodProxyRequest.getResponseHeader(Utils.LOCATION_HEADER).getValue();

            if (stringLocation == null) {
                throw new ServletException("Recieved status code: " + stringStatusCode + " but no "
                        + Utils.LOCATION_HEADER + " header was found in the response");
            }

            // /////////////////////////////////////////////
            // Modify the redirect to go to this proxy
            // servlet rather that the proxied host
            // /////////////////////////////////////////////

            String stringMyHostName = httpServletRequest.getServerName();

            if (httpServletRequest.getServerPort() != 80) {
                stringMyHostName += ":" + httpServletRequest.getServerPort();
            }

            stringMyHostName += httpServletRequest.getContextPath();
            httpServletResponse.sendRedirect(stringLocation.replace(
                    Utils.getProxyHostAndPort(proxyInfo) + proxyInfo.getProxyPath(), stringMyHostName));

            return;

        } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {

            // ///////////////////////////////////////////////////////////////
            // 304 needs special handling. See:
            // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
            // We get a 304 whenever passed an 'If-Modified-Since'
            // header and the data on disk has not changed; server
            // responds w/ a 304 saying I'm not going to send the
            // body because the file has not changed.
            // ///////////////////////////////////////////////////////////////

            httpServletResponse.setIntHeader(Utils.CONTENT_LENGTH_HEADER_NAME, 0);
            httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);

            return;
        }

        // /////////////////////////////////////////////
        // Pass the response code back to the client
        // /////////////////////////////////////////////

        httpServletResponse.setStatus(intProxyResponseCode);

        // /////////////////////////////////////////////
        // Pass response headers back to the client
        // /////////////////////////////////////////////

        Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();

        for (Header header : headerArrayResponse) {

            // /////////////////////////
            // Skip GZIP Responses
            // /////////////////////////

            if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_ACCEPT_ENCODING)
                    && header.getValue().toLowerCase().contains("gzip"))
                continue;
            else if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_CONTENT_ENCODING)
                    && header.getValue().toLowerCase().contains("gzip"))
                continue;
            else if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_TRANSFER_ENCODING))
                continue;
            //                else if (header.getName().equalsIgnoreCase(Utils.HTTP_HEADER_WWW_AUTHENTICATE))
            //                    continue;                
            else
                httpServletResponse.setHeader(header.getName(), header.getValue());
        }

        // ///////////////////////////////////
        // Send the content to the client
        // ///////////////////////////////////

        inputStreamServerResponse = httpMethodProxyRequest.getResponseBodyAsStream();

        if (inputStreamServerResponse != null) {
            byte[] b = new byte[proxyConfig.getDefaultStreamByteSize()];

            baos = new ByteArrayOutputStream(b.length);

            int read = 0;
            while ((read = inputStreamServerResponse.read(b)) > 0) {
                baos.write(b, 0, read);
                baos.flush();
            }

            baos.writeTo(httpServletResponse.getOutputStream());
        }

    } catch (HttpException e) {
        if (LOGGER.isLoggable(Level.SEVERE))
            LOGGER.log(Level.SEVERE, "Error executing HTTP method ", e);
    } finally {
        try {
            if (inputStreamServerResponse != null)
                inputStreamServerResponse.close();
        } catch (IOException e) {
            if (LOGGER.isLoggable(Level.SEVERE))
                LOGGER.log(Level.SEVERE, "Error closing request input stream ", e);
            throw new ServletException(e.getMessage());
        }

        try {
            if (baos != null) {
                baos.flush();
                baos.close();
            }
        } catch (IOException e) {
            if (LOGGER.isLoggable(Level.SEVERE))
                LOGGER.log(Level.SEVERE, "Error closing response stream ", e);
            throw new ServletException(e.getMessage());
        }

        httpMethodProxyRequest.releaseConnection();
    }
}

---

From source file:com.groupon.odo.Proxy.java

/**
 * Execute a request//from w  ww . j a  v  a2 s . c  o m
 *
 * @param httpMethodProxyRequest
 * @param httpServletRequest
 * @param httpServletResponse
 * @param history
 * @param outStream
 * @throws Exception
 */
private void executeRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse, History history, OutputStream outStream) throws Exception {
    int intProxyResponseCode = 999;
    try {
        // Create a default HttpClient
        HttpClient httpClient = new HttpClient();
        httpMethodProxyRequest.setFollowRedirects(false);
        ArrayList<String> headersToRemove = getRemoveHeaders();

        httpClient.getParams().setSoTimeout(60000);

        httpServletRequest.setAttribute("com.groupon.odo.removeHeaders", headersToRemove);
        intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);
    } catch (Exception e) {
        requestInformation.get().outputString = "TIMEOUT";
        logRequestHistory(httpMethodProxyRequest, httpServletResponse, history);
        throw e;
    }
    logger.info("Response code: {}, {}", intProxyResponseCode,
            HttpUtilities.getURL(httpMethodProxyRequest.getURI().toString()));
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {

        String stringStatusCode = Integer.toString(intProxyResponseCode);
        processRedirect(stringStatusCode, httpMethodProxyRequest, httpServletRequest, httpServletResponse);
    } else {
        // Pass the response code back to the client
        httpServletResponse.setStatus(intProxyResponseCode);

        // Pass response headers back to the client
        Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
        for (Header header : headerArrayResponse) {
            httpServletResponse.setHeader(header.getName(), header.getValue());
        }

        // there is no data for a HTTP 304
        if (intProxyResponseCode != HttpServletResponse.SC_NOT_MODIFIED) {
            // Send the content to the client
            InputStream inputStreamProxyResponse = httpMethodProxyRequest.getResponseBodyAsStream();
            BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStreamProxyResponse);

            int intNextByte;
            // Collect all of the server data
            while ((intNextByte = bufferedInputStream.read()) != -1) {
                outStream.write(intNextByte);
            }
        }
    }
}

---

From source file:org.apache.hadoop.hdfs.server.namenode.CancelDelegationTokenServlet.java

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    final UserGroupInformation ugi;
    final ServletContext context = getServletContext();
    final Configuration conf = (Configuration) context.getAttribute(JspHelper.CURRENT_CONF);
    try {//w ww .ja  v a2 s .  c o m
        ugi = getUGI(req, conf);
    } catch (IOException ioe) {
        LOG.info("Request for token received with no authentication from " + req.getRemoteAddr(), ioe);
        resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unable to identify or authenticate user");
        return;
    }
    final NameNode nn = (NameNode) context.getAttribute("name.node");
    String tokenString = req.getParameter(TOKEN);
    if (tokenString == null) {
        resp.sendError(HttpServletResponse.SC_MULTIPLE_CHOICES, "Token to renew not specified");
    }
    final Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>();
    token.decodeFromUrlString(tokenString);

    try {
        ugi.doAs(new PrivilegedExceptionAction<Void>() {
            public Void run() throws Exception {
                nn.cancelDelegationToken(token);
                return null;
            }
        });
    } catch (Exception e) {
        LOG.info("Exception while cancelling token. Re-throwing. ", e);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
    }
}

---

From source file:org.apache.hadoop.hdfs.server.namenode.RenewDelegationTokenServlet.java

@Override
protected void doGet(final HttpServletRequest req, final HttpServletResponse resp)
        throws ServletException, IOException {
    final UserGroupInformation ugi;
    final ServletContext context = getServletContext();
    final Configuration conf = (Configuration) context.getAttribute(JspHelper.CURRENT_CONF);
    try {//from  www.j  a va 2 s.  c o  m
        ugi = getUGI(req, conf);
    } catch (IOException ioe) {
        LOG.info("Request for token received with no authentication from " + req.getRemoteAddr(), ioe);
        resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unable to identify or authenticate user");
        return;
    }
    final NameNode nn = (NameNode) context.getAttribute("name.node");
    String tokenString = req.getParameter(TOKEN);
    if (tokenString == null) {
        resp.sendError(HttpServletResponse.SC_MULTIPLE_CHOICES, "Token to renew not specified");
    }
    final Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>();
    token.decodeFromUrlString(tokenString);

    try {
        long result = ugi.doAs(new PrivilegedExceptionAction<Long>() {
            public Long run() throws Exception {
                return nn.renewDelegationToken(token);
            }
        });
        PrintStream os = new PrintStream(resp.getOutputStream());
        os.println(result);
        os.close();
    } catch (Exception e) {
        // transfer exception over the http
        String exceptionClass = e.getClass().getCanonicalName();
        String exceptionMsg = e.getLocalizedMessage();
        String strException = exceptionClass + ";" + exceptionMsg;
        LOG.info("Exception while renewing token. Re-throwing. s=" + strException, e);

        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, strException);
    }
}

---

From source file:org.apache.sling.servlets.get.impl.helpers.JsonRendererServlet.java

@Override
protected void doGet(SlingHttpServletRequest req, SlingHttpServletResponse resp) throws IOException {
    // Access and check our data
    final Resource r = req.getResource();
    if (ResourceUtil.isNonExistingResource(r)) {
        throw new ResourceNotFoundException("No data to render.");
    }/*  ww  w  .  jav a  2 s.co m*/

    int maxRecursionLevels = 0;
    try {
        maxRecursionLevels = getMaxRecursionLevel(req);
    } catch (IllegalArgumentException iae) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, iae.getMessage());
        return;
    }

    resp.setContentType(req.getResponseContentType());
    resp.setCharacterEncoding("UTF-8");

    // We check the tree to see if the nr of nodes isn't bigger than the allowed nr.
    boolean allowDump = true;
    int allowedLevel = 0;
    final boolean tidy = isTidy(req);
    final boolean harray = hasSelector(req, HARRAY);
    ResourceTraversor traversor = null;
    try {
        traversor = new ResourceTraversor(maxRecursionLevels, maximumResults, r, tidy);
        allowedLevel = traversor.collectResources();
        if (allowedLevel != -1) {
            allowDump = false;
        }
    } catch (final JSONException e) {
        reportException(e);
    }
    try {
        // Dump the resource if we can
        if (allowDump) {
            if (tidy || harray) {
                final JSONRenderer.Options opt = renderer.options().withIndent(tidy ? INDENT_SPACES : 0)
                        .withArraysForChildren(harray);
                resp.getWriter().write(renderer.prettyPrint(traversor.getJSONObject(), opt));
            } else {
                // If no rendering options, use the plain toString() method, for
                // backwards compatibility. Output might be slightly different
                // with prettyPrint and no options
                resp.getWriter().write(traversor.getJSONObject().toString());
            }

        } else {
            // We are not allowed to do the dump.
            // Send a 300
            String tidyUrl = (tidy) ? "tidy." : "";
            resp.setStatus(HttpServletResponse.SC_MULTIPLE_CHOICES);
            JSONWriter writer = new JSONWriter(resp.getWriter());
            writer.array();
            while (allowedLevel >= 0) {
                writer.value(
                        r.getResourceMetadata().getResolutionPath() + "." + tidyUrl + allowedLevel + ".json");
                allowedLevel--;
            }
            writer.endArray();
        }
    } catch (JSONException je) {
        reportException(je);
    }
}

---

From source file:org.chorusbdd.chorus.tools.webagent.jettyhandler.TestSuiteHandler.java

@Override
protected void doHandle(String target, Request baseRequest, HttpServletRequest request,
        HttpServletResponse response, XMLStreamWriter writer) throws IOException {
    String suiteId = baseRequest.getParameter("suiteId");
    if (suiteId == null) {
        response.setStatus(HttpServletResponse.SC_MULTIPLE_CHOICES);
        response.getWriter().append("Must specify a suite using parameter suiteId");
    } else {//w w  w.  jav  a2s. c  o m
        WebAgentTestSuite s = cache.getSuite(suiteId);
        if (s == null) {
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
            response.getWriter().append("Could not find a test suite " + suiteId);
        } else {
            try {
                handleForSuite(response, s);
            } catch (PropertyException pe) {
                response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                log.error("Failed to serialize test suite to xml, PropertyException, probably your Marshaller "
                        + "implementation does not support the property com.sun.xml.internal.bind.xmlHeaders",
                        pe);
            } catch (Exception e) {
                response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); //client may not see this if we have already written output
                log.error("Failed to serialize test suite to xml", e);
            }
        }
    }
}

---

From source file:org.codeartisans.proxilet.Proxilet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response back to the client via the given
 * {@link HttpServletResponse}.//w  w w. j  a v a 2  s  .  c om
 *
 * @param httpMethodProxyRequest    An object representing the proxy request to be made
 * @param httpServletResponse       An object by which we can send the proxied response back to the client
 * @throws IOException              Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException         Can be thrown to indicate that another error has occurred
 */
private void executeProxyRequest(HttpMethod httpMethodProxyRequest, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws IOException, ServletException {
    // Create a default HttpClient
    HttpClient httpClient;
    httpClient = createClientWithLogin();
    httpMethodProxyRequest.setFollowRedirects(false);

    // Execute the request
    int intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);
    //        String response = httpMethodProxyRequest.getResponseBodyAsString();

    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    // Hooray for open source software
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */ ) {
        String stringStatusCode = Integer.toString(intProxyResponseCode);
        String stringLocation = httpMethodProxyRequest.getResponseHeader(HEADER_LOCATION).getValue();
        if (stringLocation == null) {
            throw new ServletException("Received status code: " + stringStatusCode + " but no "
                    + HEADER_LOCATION + " header was found in the response");
        }
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String stringMyHostName = httpServletRequest.getServerName();
        if (httpServletRequest.getServerPort() != 80) {
            stringMyHostName += ":" + httpServletRequest.getServerPort();
        }
        stringMyHostName += httpServletRequest.getContextPath();
        if (followRedirects) {
            httpServletResponse
                    .sendRedirect(stringLocation.replace(getProxyHostAndPort() + proxyPath, stringMyHostName));
            return;
        }
    } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
        // 304 needs special handling. See:
        // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
        // We get a 304 whenever passed an 'If-Modified-Since'
        // header and the data on disk has not changed; server
        // responds w/ a 304 saying I'm not going to send the
        // body because the file has not changed.
        httpServletResponse.setIntHeader(HEADER_CONTENT_LENGTH, 0);
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    // Pass the response code back to the client
    httpServletResponse.setStatus(intProxyResponseCode);

    // Pass response headers back to the client
    Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
    for (Header header : headerArrayResponse) {
        if (header.getName().equals("Transfer-Encoding") && header.getValue().equals("chunked")
                || header.getName().equals("Content-Encoding") && header.getValue().equals("gzip")) {
            // proxy servlet does not support chunked encoding
        } else {
            httpServletResponse.setHeader(header.getName(), header.getValue());
        }
    }

    List<Header> responseHeaders = Arrays.asList(headerArrayResponse);

    // FIXME We should handle both String and bytes response in the same way:
    String response = null;
    byte[] bodyBytes = null;

    if (isBodyParameterGzipped(responseHeaders)) {
        LOGGER.trace("GZipped: true");
        if (!followRedirects && intProxyResponseCode == HttpServletResponse.SC_MOVED_TEMPORARILY) {
            response = httpMethodProxyRequest.getResponseHeader(HEADER_LOCATION).getValue();
            httpServletResponse.setStatus(HttpServletResponse.SC_OK);
            intProxyResponseCode = HttpServletResponse.SC_OK;
            httpServletResponse.setHeader(HEADER_LOCATION, response);
            httpServletResponse.setContentLength(response.length());
        } else {
            bodyBytes = ungzip(httpMethodProxyRequest.getResponseBody());
            httpServletResponse.setContentLength(bodyBytes.length);
        }
    }

    if (httpServletResponse.getContentType() != null && httpServletResponse.getContentType().contains("text")) {
        LOGGER.trace("Received status code: {} Response: {}", intProxyResponseCode, response);
    } else {
        LOGGER.trace("Received status code: {} [Response is not textual]", intProxyResponseCode);
    }

    // Send the content to the client
    if (response != null) {
        httpServletResponse.getWriter().write(response);
    } else if (bodyBytes != null) {
        httpServletResponse.getOutputStream().write(bodyBytes);
    } else {
        IOUtils.copy(httpMethodProxyRequest.getResponseBodyAsStream(), httpServletResponse.getOutputStream());
    }
}

---

From source file:org.jboss.orion.openshift.server.proxy.JsonProxyServlet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link javax.servlet.http.HttpServletResponse}
 *
 * @param proxyDetails//from ww w  .  j av  a2s  .co  m
 * @param httpMethodProxyRequest An object representing the proxy request to be made
 * @param httpServletResponse    An object by which we can send the proxied
 *                               response back to the client
 * @throws java.io.IOException            Can be thrown by the {@link HttpClient}.executeMethod
 * @throws javax.servlet.ServletException Can be thrown to indicate that another error has occurred
 */
private void executeProxyRequest(ProxyDetails proxyDetails, HttpMethod httpMethodProxyRequest,
        HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse)
        throws IOException, ServletException {
    httpMethodProxyRequest.setDoAuthentication(false);
    httpMethodProxyRequest.setFollowRedirects(false);

    // Create a default HttpClient
    HttpClient httpClient = proxyDetails.createHttpClient(httpMethodProxyRequest);

    // Execute the request
    int intProxyResponseCode = 500;
    try {
        intProxyResponseCode = httpClient.executeMethod(httpMethodProxyRequest);
    } catch (Exception e) {
        e.printStackTrace();
    }

    // Check if the proxy response is a redirect
    // The following code is adapted from org.tigris.noodle.filters.CheckForRedirect
    // Hooray for open source software
    if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
            && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
        String stringStatusCode = Integer.toString(intProxyResponseCode);
        String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
        if (stringLocation == null) {
            throw new ServletException("Received status code: " + stringStatusCode + " but no "
                    + STRING_LOCATION_HEADER + " header was found in the response");
        }
        // Modify the redirect to go to this proxy servlet rather that the proxied host
        String stringMyHostName = httpServletRequest.getServerName();
        if (httpServletRequest.getServerPort() != 80) {
            stringMyHostName += ":" + httpServletRequest.getServerPort();
        }
        stringMyHostName += httpServletRequest.getContextPath();
        httpServletResponse.sendRedirect(stringLocation
                .replace(proxyDetails.getProxyHostAndPort() + proxyDetails.getProxyPath(), stringMyHostName));
        return;
    } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
        // 304 needs special handling.  See:
        // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
        // We get a 304 whenever passed an 'If-Modified-Since'
        // header and the data on disk has not changed; server
        // responds w/ a 304 saying I'm not going to send the
        // body because the file has not changed.
        httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }

    // Pass the response code back to the client
    httpServletResponse.setStatus(intProxyResponseCode);

    // Pass response headers back to the client
    Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
    for (Header header : headerArrayResponse) {
        if (!ProxySupport.isHopByHopHeader(header.getName())) {
            if (ProxySupport.isSetCookieHeader(header)) {
                HttpProxyRule proxyRule = proxyDetails.getProxyRule();
                String setCookie = ProxySupport.replaceCookieAttributes(header.getValue(),
                        proxyRule.getCookiePath(), proxyRule.getCookieDomain());
                httpServletResponse.setHeader(header.getName(), setCookie);
            } else {
                httpServletResponse.setHeader(header.getName(), header.getValue());
            }
        }
    }

    // check if we got data, that is either the Content-Length > 0
    // or the response code != 204
    int code = httpMethodProxyRequest.getStatusCode();
    boolean noData = code == HttpStatus.SC_NO_CONTENT;
    if (!noData) {
        String length = httpServletRequest.getHeader(STRING_CONTENT_LENGTH_HEADER_NAME);
        if (length != null && "0".equals(length.trim())) {
            noData = true;
        }
    }

    if (!noData) {
        // Send the content to the client
        InputStream inputStreamProxyResponse = httpMethodProxyRequest.getResponseBodyAsStream();
        BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStreamProxyResponse);
        OutputStream outputStreamClientResponse = httpServletResponse.getOutputStream();
        int intNextByte;
        while ((intNextByte = bufferedInputStream.read()) != -1) {
            outputStreamClientResponse.write(intNextByte);
        }
    }
}

---

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