Example usage for java.net HttpURLConnection setInstanceFollowRedirects

List of usage examples for java.net HttpURLConnection setInstanceFollowRedirects

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Introduction

In this page you can find the example usage for java.net HttpURLConnection setInstanceFollowRedirects.

Prototype

public void setInstanceFollowRedirects(boolean followRedirects)

Source Link

Document

Sets whether HTTP redirects (requests with response code 3xx) should be automatically followed by this HttpURLConnection instance.

Usage

From source file:forge.download.GuiDownloadService.java

@Override
public void run() {

    Proxy p = getProxy();/* w w w .  jav a2  s  .  c  om*/

    int bufferLength;
    int iCard = 0;
    byte[] buffer = new byte[1024];

    for (Entry<String, String> kv : files.entrySet()) {
        if (cancel) {
            break;
        }

        String url = kv.getValue();
        final File fileDest = new File(kv.getKey());
        final File base = fileDest.getParentFile();

        FileOutputStream fos = null;
        try {
            // test for folder existence
            if (!base.exists() && !base.mkdir()) { // create folder if not found
                System.out.println("Can't create folder" + base.getAbsolutePath());
            }

            URL imageUrl = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) imageUrl.openConnection(p);
            // don't allow redirections here -- they indicate 'file not found' on the server
            conn.setInstanceFollowRedirects(false);
            conn.connect();

            if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
                conn.disconnect();
                System.out.println(url);
                System.out.println("Skipped Download for: " + fileDest.getPath());
                update(++iCard, fileDest);
                skipped++;
                continue;
            }

            fos = new FileOutputStream(fileDest);
            InputStream inputStream = conn.getInputStream();
            while ((bufferLength = inputStream.read(buffer)) > 0) {
                fos.write(buffer, 0, bufferLength);
            }
        } catch (final ConnectException ce) {
            System.out.println("Connection refused for url: " + url);
        } catch (final MalformedURLException mURLe) {
            System.out.println("Error - possibly missing URL for: " + fileDest.getName());
        } catch (final FileNotFoundException fnfe) {
            String formatStr = "Error - the LQ picture %s could not be found on the server. [%s] - %s";
            System.out.println(String.format(formatStr, fileDest.getName(), url, fnfe.getMessage()));
        } catch (final Exception ex) {
            Log.error("LQ Pictures", "Error downloading pictures", ex);
        } finally {
            if (fos != null) {
                try {
                    fos.close();
                } catch (IOException e) {
                    System.out.println("error closing output stream");
                }
            }
        }

        update(++iCard, fileDest);

    }
}

From source file:com.amastigote.xdu.query.module.WaterAndElectricity.java

private Document getPage(String output_data, String host_suffix) throws IOException {
    URL url = new URL(HOST + host_suffix);
    HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
    httpURLConnection.setDoOutput(true);
    httpURLConnection.setRequestMethod("POST");
    httpURLConnection.setUseCaches(false);
    httpURLConnection.setInstanceFollowRedirects(false);
    httpURLConnection.setRequestProperty("Cookie", "ASP.NET_SessionId=" + ASP_dot_NET_SessionId);

    httpURLConnection.connect();/* www . java 2s  . c o  m*/
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(httpURLConnection.getOutputStream(),
            "UTF-8");
    outputStreamWriter.write(output_data);
    outputStreamWriter.flush();
    outputStreamWriter.close();
    BufferedReader bufferedReader = new BufferedReader(
            new InputStreamReader(httpURLConnection.getInputStream()));

    String temp;
    String htmlPage = "";
    while ((temp = bufferedReader.readLine()) != null)
        htmlPage += temp;

    bufferedReader.close();
    httpURLConnection.disconnect();

    htmlPage = htmlPage.replaceAll("&nbsp;", " ");

    return Jsoup.parse(htmlPage);
}

From source file:com.wyp.module.controller.LicenseController.java

/**
 * wslicense//from  ww w.  j  a v  a  2 s. c o m
 * 
 * @param properties
 * @return
 */
private String getCitrixLicense(String requestJson) {
    String licenses = "";
    OutputStreamWriter out = null;
    InputStream is = null;
    long start = System.currentTimeMillis();
    try {
        // ws url
        URL url = new URL(map.get("address"));
        // ws connection
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestProperty("connection", "Keep-Alive");
        connection.setRequestProperty("Content-Type", " application/json");
        connection.setRequestMethod("POST");
        connection.connect();
        out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
        out.append(requestJson);
        out.flush();
        // response string
        is = connection.getInputStream();
        int length = is.available();
        if (0 < length) {
            long end = System.currentTimeMillis();
            System.out.println("?" + (end - start));
            BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            StringBuilder tempStr = new StringBuilder();
            String temp = "";
            while ((temp = reader.readLine()) != null) {
                tempStr.append(temp);
            }
            licenses = tempStr.toString(); // utf-8?
            System.out.println(licenses);
        }
    } catch (IOException e) {
        String eMsg = e.getMessage();
        if ("Read timed out".equals(eMsg) || "Connection timed out: connect".equals(eMsg)
                || "Software caused connection abort: recv failed".equals(eMsg)) {
            long end = System.currentTimeMillis();
            System.out.println(eMsg + (end - start));
            licenses = "TIMEOUT";
        }
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
            if (is != null) {
                is.close();
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
    System.out.println(licenses);
    return licenses;
}

From source file:com.adaptris.core.http.JdkHttpProducer.java

@Override
protected AdaptrisMessage doRequest(AdaptrisMessage msg, ProduceDestination destination, long timeout)
        throws ProduceException {

    AdaptrisMessage reply = defaultIfNull(getMessageFactory()).newMessage();
    ThreadLocalCredentials threadLocalCreds = null;
    try {//  ww w .j  a v a 2 s  .  c o m
        URL url = new URL(destination.getDestination(msg));
        if (getPasswordAuthentication() != null) {
            Authenticator.setDefault(AdapterResourceAuthenticator.getInstance());
            threadLocalCreds = ThreadLocalCredentials.getInstance(url.toString());
            threadLocalCreds.setThreadCredentials(getPasswordAuthentication());
            AdapterResourceAuthenticator.getInstance().addAuthenticator(threadLocalCreds);
        }
        HttpURLConnection http = (HttpURLConnection) url.openConnection();
        http.setRequestMethod(methodToUse(msg).name());
        http.setInstanceFollowRedirects(handleRedirection());
        http.setDoInput(true);
        http.setConnectTimeout(Long.valueOf(timeout).intValue());
        http.setReadTimeout(Long.valueOf(timeout).intValue());
        // ProxyUtil.applyBasicProxyAuthorisation(http);
        addHeaders(msg, http);
        if (getContentTypeKey() != null && msg.containsKey(getContentTypeKey())) {
            http.setRequestProperty(CONTENT_TYPE, msg.getMetadataValue(getContentTypeKey()));
        }
        // if (getAuthorisation() != null) {
        // http.setRequestProperty(AUTHORIZATION, getAuthorisation());
        // }
        // logHeaders("Request Information", "Request Method : " + http.getRequestMethod(), http.getRequestProperties().entrySet());
        sendMessage(msg, http);
        readResponse(http, reply);
        // logHeaders("Response Information", http.getResponseMessage(), http.getHeaderFields().entrySet());
    } catch (IOException e) {
        throw new ProduceException(e);
    } catch (CoreException e) {
        if (e instanceof ProduceException) {
            throw (ProduceException) e;
        } else {
            throw new ProduceException(e);
        }
    } finally {
        if (threadLocalCreds != null) {
            threadLocalCreds.removeThreadCredentials();
            AdapterResourceAuthenticator.getInstance().removeAuthenticator(threadLocalCreds);
        }
    }
    return reply;
}

From source file:tk.barrydegraaff.ocs.OCS.java

private Element createShare(Element request, Element response, ZimbraSoapContext zsc) {
    try {//from  w w w .j  a va 2 s.c o  m
        if (checkPermissionOnTarget(request.getAttribute("owncloud_zimlet_server_name"))) {
            final String urlParameters = "path=" + request.getAttribute("path") + "&shareType="
                    + request.getAttribute("shareType") + "&password=" + request.getAttribute("password");

            byte[] credentials = Base64
                    .encodeBase64((uriDecode(request.getAttribute("owncloud_zimlet_username")) + ":"
                            + uriDecode(request.getAttribute("owncloud_zimlet_password"))).getBytes());
            byte[] postData = urlParameters.getBytes(StandardCharsets.UTF_8);
            int postDataLength = postData.length;

            String requestUrl = request.getAttribute("owncloud_zimlet_server_name") + ":"
                    + request.getAttribute("owncloud_zimlet_server_port")
                    + request.getAttribute("owncloud_zimlet_oc_folder")
                    + "/ocs/v1.php/apps/files_sharing/api/v1/shares";
            URL url = new URL(requestUrl);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();

            conn.setDoOutput(true);
            conn.setInstanceFollowRedirects(true);
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.setRequestProperty("charset", "utf-8");
            conn.setRequestProperty("Content-Length", Integer.toString(postDataLength));
            conn.setRequestProperty("OCS-APIRequest", "true");
            conn.setRequestProperty("X-Forwarded-For", zsc.getRequestIP());
            conn.setRequestProperty("Authorization", "Basic " + new String(credentials));
            conn.setUseCaches(false);

            try (DataOutputStream wr = new DataOutputStream(conn.getOutputStream())) {
                wr.write(postData);
            }

            InputStream _is;
            Boolean isError = false;
            if (conn.getResponseCode() < 400) {
                _is = conn.getInputStream();
                isError = false;
            } else {
                _is = conn.getErrorStream();
                isError = true;
            }

            BufferedReader in = new BufferedReader(new InputStreamReader(_is));

            String inputLine;
            StringBuffer responseTxt = new StringBuffer();

            while ((inputLine = in.readLine()) != null) {
                responseTxt.append(inputLine);
            }
            in.close();

            Pattern pattern;
            if (isError) {
                pattern = Pattern.compile("<message>(.+?)</message>");
            } else {
                pattern = Pattern.compile("<url>(.+?)</url>");
            }
            Matcher matcher = pattern.matcher(responseTxt.toString());
            matcher.find();
            final String result = matcher.group(1);

            if (!isError) {
                pattern = Pattern.compile("<id>(.+?)</id>");
            }
            matcher = pattern.matcher(responseTxt.toString());
            matcher.find();
            final String id = matcher.group(1);

            //Implement Expiry date and update Password
            //And empty password or expiryDate will remove the property from the share
            //https://docs.nextcloud.com/server/12/developer_manual/core/ocs-share-api.html#update-share
            String errorMessage = "";
            try {

                final String[] updateArguments = { "expireDate=" + request.getAttribute("expiryDate"),
                        "password=" + request.getAttribute("password") };
                for (String urlParameter : updateArguments) {
                    postData = urlParameter.getBytes(StandardCharsets.UTF_8);
                    postDataLength = postData.length;
                    requestUrl = request.getAttribute("owncloud_zimlet_server_name") + ":"
                            + request.getAttribute("owncloud_zimlet_server_port")
                            + request.getAttribute("owncloud_zimlet_oc_folder")
                            + "/ocs/v1.php/apps/files_sharing/api/v1/shares" + "/" + id;

                    url = new URL(requestUrl);
                    conn = (HttpURLConnection) url.openConnection();

                    conn.setDoOutput(true);
                    conn.setInstanceFollowRedirects(true);
                    conn.setRequestMethod("PUT");
                    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
                    conn.setRequestProperty("charset", "utf-8");
                    conn.setRequestProperty("Content-Length", Integer.toString(postDataLength));
                    conn.setRequestProperty("OCS-APIRequest", "true");
                    conn.setRequestProperty("X-Forwarded-For", zsc.getRequestIP());
                    conn.setRequestProperty("Authorization", "Basic " + new String(credentials));
                    conn.setUseCaches(false);

                    try (DataOutputStream wr = new DataOutputStream(conn.getOutputStream())) {
                        wr.write(postData);
                    }

                    isError = false;
                    if (conn.getResponseCode() < 400) {
                        _is = conn.getInputStream();
                        isError = false;
                    } else {
                        _is = conn.getErrorStream();
                        isError = true;
                    }

                    in = new BufferedReader(new InputStreamReader(_is));

                    responseTxt = new StringBuffer();

                    while ((inputLine = in.readLine()) != null) {
                        responseTxt.append(inputLine);
                    }
                    in.close();
                    if (!isError) {
                        try {
                            pattern = Pattern.compile("<message>(.+?)</message>");
                            matcher = pattern.matcher(responseTxt.toString());
                            matcher.find();
                            if (!"OK".equals(matcher.group(1))) {
                                errorMessage += matcher.group(1) + ". ";
                            }
                        } catch (Exception e) {
                            //ignore https://github.com/Zimbra-Community/owncloud-zimlet/issues/148
                        }
                    }
                }
            } catch (Exception e) {
                errorMessage += e.toString();
            }

            /*The result variable holds the result from the `Create Share` request. If it starts with http it means the request was OK,
            otherwise it will hold the error message.
                    
            Not all share properties can be set with `Create Share` and creating a share on an object that is already shared, will not
            give an error, but does not do anything.
                    
            Therefore we always do 2 `Update Share` requests as well, to set/remove the password and expiry date.
                    
            The errorMessage variable holds the result from the Update Share` requests, in case it is empty, it means all went OK
            and the result from `Create Share` can be trusted. Otherwise it holds concatenated error messages, that should be displayed
            to the user. The link share url would not be reliable in this case.
             */
            if ("".equals(errorMessage)) {
                response.addAttribute("createShare", "{\"statuscode\":100,\"id\":\"" + id
                        + "\",\"message\":\"\",\"url\":\"" + result + "\",\"status\":\"ok\",\"token\":\"\"}");
            } else {
                //result holds the url of the created share, if all went well, or also an error message if the sharing failed
                response.addAttribute("createShare",
                        "{\"statuscode\":100,\"id\":\"" + id + "\",\"message\":\"\",\"url\":\"" + errorMessage
                                + "\",\"status\":\"ok\",\"token\":\"\"}");
            }

        } else {
            response.addAttribute("createShare",
                    "{\"statuscode\":100,\"id\":0,\"message\":\"\",\"url\":\"" + "Host not allowed: "
                            + request.getAttribute("owncloud_zimlet_server_name")
                            + "\",\"status\":\"ok\",\"token\":\"\"}");
        }
        return response;
    } catch (Exception ex)

    {
        response.addAttribute("createShare", "{\"statuscode\":100,\"id\":0,\"message\":\"\",\"url\":\""
                + "Could not create share. " + "\",\"status\":\"ok\",\"token\":\"\"}");
        return response;
    }

}

From source file:socialtrade1.ChildThread.java

void Get() {

    try {/*from   w  ww  .ja v  a 2 s  . c o m*/

        URL url1 = new URL(url);
        HttpURLConnection con = (HttpURLConnection) url1.openConnection();
        con.setDoOutput(true);
        con.setInstanceFollowRedirects(true);
        con.setRequestMethod("GET");
        con.setRequestProperty("Content-Type", " application/json; charset=UTF-8");
        con.setRequestProperty("charset", "utf-8");
        con.setRequestProperty("User-Agent",
                " Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        con.setRequestProperty("Host", "www.frenzzup.com");
        con.setRequestProperty("Cookie", Cookie);
        con.setUseCaches(false);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response1 = new StringBuffer();
        Engine.ThreadStatus[PositionNumber][state] = con.getResponseCode();

        while ((inputLine = in.readLine()) != null) {
            response1.append(inputLine);
        }
        String res = response1.toString();
        new Save("get11", res).start();
        if (printResponse)
            System.out.println(res);
        Utilities.ThreadResponse[PositionNumber][state] = res;
        Engine.ThreadStatus[PositionNumber][state] = 200;
        new Save("get111", Utilities.ThreadResponse[PositionNumber][state]).start();
        Utilities.getresp[PositionNumber][0] = res;
        in.close();
    } catch (Exception m) {

    }
}

From source file:socialtrade1.ChildThread.java

void Post() {
    try {//from  w  w w .j a  v  a  2 s . c o  m

        byte[] postData = body.getBytes(StandardCharsets.UTF_8);
        int postDataLength = postData.length;

        URL url1 = new URL(url);
        HttpURLConnection con = (HttpURLConnection) url1.openConnection();
        con.setDoOutput(true);
        con.setInstanceFollowRedirects(true);
        con.setRequestMethod("POST");
        con.setRequestProperty("Content-Type", " application/json; charset=UTF-8");
        con.setRequestProperty("charset", "utf-8");
        con.setRequestProperty("Content-Length", Integer.toString(postDataLength));
        con.setRequestProperty("User-Agent",
                " Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        con.setRequestProperty("Host", "www.frenzzup.com");
        con.setRequestProperty("Cookie", Cookie);

        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.write(postData);
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response1 = new StringBuffer();
        Engine.ThreadStatus[PositionNumber][state] = con.getResponseCode();
        while ((inputLine = in.readLine()) != null) {
            response1.append(inputLine);
        }
        String resp = response1.toString();
        if (printResponse)
            System.out.println(resp);
        Utilities.ThreadResponse[PositionNumber][state] = resp;
        in.close();
    } catch (Exception m) {

    }

}

From source file:net.openid.appauthdemo.TokenActivity.java

@MainThread
private void fetchUserInfo(String accessToken, String idToken, AuthorizationException ex) {
    if (ex != null) {
        Log.e(TAG, "Token refresh failed when fetching user info");
        mUserInfoJson.set(null);/*from   w  ww . j av a2 s  . com*/
        runOnUiThread(this::displayAuthorized);
        return;
    }

    AuthorizationServiceDiscovery discovery = mStateManager.getCurrent()
            .getAuthorizationServiceConfiguration().discoveryDoc;

    URL userInfoEndpoint;
    try {
        userInfoEndpoint = new URL(discovery.getUserinfoEndpoint().toString());
    } catch (MalformedURLException urlEx) {
        Log.e(TAG, "Failed to construct user info endpoint URL", urlEx);
        mUserInfoJson.set(null);
        runOnUiThread(this::displayAuthorized);
        return;
    }

    mExecutor.submit(() -> {
        try {
            HttpURLConnection conn = (HttpURLConnection) userInfoEndpoint.openConnection();
            conn.setRequestProperty("Authorization", "Bearer " + accessToken);
            conn.setInstanceFollowRedirects(false);
            String response = Okio.buffer(Okio.source(conn.getInputStream()))
                    .readString(Charset.forName("UTF-8"));
            mUserInfoJson.set(new JSONObject(response));
        } catch (IOException ioEx) {
            Log.e(TAG, "Network error when querying userinfo endpoint", ioEx);
            showSnackbar("Fetching user info failed");
        } catch (JSONException jsonEx) {
            Log.e(TAG, "Failed to parse userinfo response");
            showSnackbar("Failed to parse user info");
        }

        runOnUiThread(this::displayAuthorized);
    });
}

From source file:ar.com.aleatoria.ue.rest.SecureSimpleClientHttpRequestFactory.java

/**
 * Template method for preparing the given {@link HttpURLConnection}.
 * <p>//from   www.  j  a v  a2s . c o m
 * The default implementation prepares the connection for input and output, and sets the HTTP method.
 * 
 * @param connection the connection to prepare
 * @param httpMethod the HTTP request method ({@code GET}, {@code POST}, etc.)
 * @throws IOException in case of I/O errors
 */
protected void prepareConnection(HttpURLConnection connection, String httpMethod) throws IOException {
    if (this.connectTimeout >= 0) {
        connection.setConnectTimeout(this.connectTimeout);
    }
    if (this.readTimeout >= 0) {
        connection.setReadTimeout(this.readTimeout);
    }
    connection.setDoInput(true);
    if ("GET".equals(httpMethod)) {
        connection.setInstanceFollowRedirects(true);
    } else {
        connection.setInstanceFollowRedirects(false);
    }
    if ("PUT".equals(httpMethod) || "POST".equals(httpMethod)) {
        connection.setDoOutput(true);
    } else {
        connection.setDoOutput(false);
    }
    connection.setRequestMethod(httpMethod);
}

From source file:com.github.thesmartenergy.sparql.generate.api.Fetch.java

@GET
public Response doFetch(@Context Request r, @Context HttpServletRequest request,
        @DefaultValue("http://localhost:8080/sparql-generate/example/example1") @QueryParam("uri") String uri,
        @DefaultValue("*/*") @QueryParam("useaccept") String useaccept,
        @DefaultValue("") @QueryParam("accept") String accept) throws IOException {

    HttpURLConnection con;
    String message = null;/*w  ww  .  ja v a  2s .co m*/
    URL obj;
    try {
        obj = new URL(uri);
        con = (HttpURLConnection) obj.openConnection();
        con.setRequestMethod("GET");
        con.setRequestProperty("Accept", useaccept);
        con.setInstanceFollowRedirects(true);
        System.out.println("GET to " + uri + " returned " + con.getResponseCode());
        InputStream in = con.getInputStream();
        message = IOUtils.toString(in);
    } catch (IOException e) {
        return Response.status(Response.Status.BAD_REQUEST)
                .entity("Error while trying to access message at URI <" + uri + ">: " + e.getMessage()).build();
    }

    Map<String, List<String>> headers = con.getHeaderFields();
    if (!headers.containsKey("Link")) {
        return Response.status(Response.Status.BAD_REQUEST).entity(
                "Error while processing message at URI <" + uri + ">: there should be a Link header field")
                .build();
    }
    String var = null;
    URL qobj = null;
    for (String linkstr : headers.get("Link")) {
        Link link = Link.valueOf(linkstr);
        if (link.getRels().contains("https://w3id.org/sparql-generate/voc#spargl-query")
                || link.getRels().contains("spargl-query")) {
            Map<String, String> params = link.getParams();
            // check the context
            // check syntax for variable ?
            var = params.getOrDefault("var", "message");
            // ok for relative and absolute URIs ?
            try {
                qobj = obj.toURI().resolve(link.getUri()).toURL();
                System.out.println("found link " + qobj + " and var " + var);
            } catch (Exception e) {
                System.out.println(e.getMessage());
            }
            break;
        }
        // what if multiple suitable links ? 
    }

    if (var == null || qobj == null) {
        return Response.status(Response.Status.BAD_REQUEST).entity("Error while processing message at URI <"
                + uri
                + ">: did not find a suitable link with relation spargl-query, or https://w3id.org/sparql-generate/voc#spargl-query")
                .build();
    }

    HttpURLConnection qcon;
    String query;
    try {
        qcon = (HttpURLConnection) qobj.openConnection();
        qcon.setRequestMethod("GET");
        qcon.setRequestProperty("Accept", "application/sparql-generate");
        qcon.setInstanceFollowRedirects(true);
        System.out.println("GET to " + qobj + " returned " + qcon.getResponseCode());
        InputStream in = qcon.getInputStream();
        query = IOUtils.toString(in);
    } catch (IOException e) {
        return Response.status(Response.Status.BAD_REQUEST)
                .entity("Error while trying to access query at URI <" + qobj + ">: " + e.getMessage()).build();
    }

    System.out.println("got query " + query);

    // parse the SPARQL-Generate query and create plan
    PlanFactory factory = new PlanFactory();

    Syntax syntax = SPARQLGenerate.SYNTAX;
    SPARQLGenerateQuery q = (SPARQLGenerateQuery) QueryFactory.create(query, syntax);
    if (q.getBaseURI() == null) {
        q.setBaseURI("http://example.org/");
    }
    RootPlan plan = factory.create(q);

    // create the initial model
    Model model = ModelFactory.createDefaultModel();

    // if content encoding is not text-based, then use base64 encoding
    // use con.getContentEncoding() for this

    String dturi = "http://www.w3.org/2001/XMLSchema#string";
    String ct = con.getContentType();
    if (ct != null) {
        dturi = "urn:iana:mime:" + ct;
    }

    QuerySolutionMap initialBinding = new QuerySolutionMap();
    TypeMapper typeMapper = TypeMapper.getInstance();
    RDFDatatype dt = typeMapper.getSafeTypeByName(dturi);
    Node arqLiteral = NodeFactory.createLiteral(message, dt);
    RDFNode jenaLiteral = model.asRDFNode(arqLiteral);
    initialBinding.add(var, jenaLiteral);

    // execute the plan
    plan.exec(initialBinding, model);

    System.out.println(accept);
    if (!accept.equals("text/turtle") && !accept.equals("application/rdf+xml")) {
        List<Variant> vs = Variant
                .mediaTypes(new MediaType("application", "rdf+xml"), new MediaType("text", "turtle")).build();
        Variant v = r.selectVariant(vs);
        accept = v.getMediaType().toString();
    }

    System.out.println(accept);
    StringWriter sw = new StringWriter();
    Response.ResponseBuilder res;
    if (accept.equals("application/rdf+xml")) {
        model.write(sw, "RDF/XML", "http://example.org/");
        res = Response.ok(sw.toString(), "application/rdf+xml");
        res.header("Content-Disposition", "filename= message.rdf;");
        return res.build();
    } else {
        model.write(sw, "TTL", "http://example.org/");
        res = Response.ok(sw.toString(), "text/turtle");
        res.header("Content-Disposition", "filename= message.ttl;");
        return res.build();
    }
}