Example usage for java.net HttpURLConnection setInstanceFollowRedirects

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:export.GarminUploader.java

@Override
public Status connect() {
    Status s = Status.NEED_AUTH;//from  w  w w .ja  v  a 2  s.  co  m
    s.authMethod = Uploader.AuthMethod.USER_PASS;
    if (username == null || password == null) {
        return s;
    }

    if (isConnected) {
        return Status.OK;
    }

    Exception ex = null;
    HttpURLConnection conn = null;
    logout();

    try {
        conn = (HttpURLConnection) new URL(CHOOSE_URL).openConnection();
        conn.setInstanceFollowRedirects(false);
        int responseCode = conn.getResponseCode();
        String amsg = conn.getResponseMessage();
        getCookies(conn);

        System.err.println("GarminUploader.connect() CHOOSE_URL => code: " + responseCode + ", msg: " + amsg);

        if (responseCode == 200) {
            return connectOld();
        } else if (responseCode == 302) {
            return connectNew();
        }
    } catch (MalformedURLException e) {
        ex = e;
    } catch (IOException e) {
        ex = e;
    } catch (JSONException e) {
        ex = e;
    }

    if (conn != null)
        conn.disconnect();

    s = Uploader.Status.ERROR;
    s.ex = ex;
    if (ex != null) {
        ex.printStackTrace();
    }
    return s;
}

---

From source file:ch.unifr.pai.twice.widgets.mpproxy.server.JettyProxy.java

public ProcessResult loadFromProxy(HttpServletRequest request, HttpServletResponse response, String uri,
        String servletPath, String proxyPath) throws ServletException, IOException {
    //System.out.println("LOAD "+uri); 
    //System.out.println("LOAD "+proxyPath);

    if ("CONNECT".equalsIgnoreCase(request.getMethod())) {
        handleConnect(request, response);

    } else {//from   w  w  w . ja  v a 2 s .co  m
        URL url = new URL(uri);

        URLConnection connection = url.openConnection();
        connection.setAllowUserInteraction(false);

        // Set method
        HttpURLConnection http = null;
        if (connection instanceof HttpURLConnection) {
            http = (HttpURLConnection) connection;
            http.setRequestMethod(request.getMethod());
            http.setInstanceFollowRedirects(false);
        }

        // check connection header
        String connectionHdr = request.getHeader("Connection");
        if (connectionHdr != null) {
            connectionHdr = connectionHdr.toLowerCase();
            if (connectionHdr.equals("keep-alive") || connectionHdr.equals("close"))
                connectionHdr = null;
        }

        // copy headers
        boolean xForwardedFor = false;
        boolean hasContent = false;
        Enumeration enm = request.getHeaderNames();
        while (enm.hasMoreElements()) {
            // TODO could be better than this!
            String hdr = (String) enm.nextElement();
            String lhdr = hdr.toLowerCase();

            if (_DontProxyHeaders.contains(lhdr))
                continue;
            if (connectionHdr != null && connectionHdr.indexOf(lhdr) >= 0)
                continue;

            if ("content-type".equals(lhdr))
                hasContent = true;

            Enumeration vals = request.getHeaders(hdr);
            while (vals.hasMoreElements()) {
                String val = (String) vals.nextElement();
                if (val != null) {
                    connection.addRequestProperty(hdr, val);
                    xForwardedFor |= "X-Forwarded-For".equalsIgnoreCase(hdr);
                }
            }
        }

        // Proxy headers
        connection.setRequestProperty("Via", "1.1 (jetty)");
        if (!xForwardedFor)
            connection.addRequestProperty("X-Forwarded-For", request.getRemoteAddr());

        // a little bit of cache control
        String cache_control = request.getHeader("Cache-Control");
        if (cache_control != null
                && (cache_control.indexOf("no-cache") >= 0 || cache_control.indexOf("no-store") >= 0))
            connection.setUseCaches(false);

        // customize Connection

        try {
            connection.setDoInput(true);

            // do input thang!
            InputStream in = request.getInputStream();
            if (hasContent) {
                connection.setDoOutput(true);
                IOUtils.copy(in, connection.getOutputStream());
            }

            // Connect
            connection.connect();
        } catch (Exception e) {
            e.printStackTrace();
        }

        InputStream proxy_in = null;

        // handler status codes etc.
        int code = 500;
        if (http != null) {
            proxy_in = http.getErrorStream();

            code = http.getResponseCode();
            response.setStatus(code, http.getResponseMessage());
        }

        if (proxy_in == null) {
            try {
                proxy_in = connection.getInputStream();
            } catch (Exception e) {
                e.printStackTrace();
                proxy_in = http.getErrorStream();
            }
        }

        // clear response defaults.
        response.setHeader("Date", null);
        response.setHeader("Server", null);

        // set response headers
        int h = 0;
        String hdr = connection.getHeaderFieldKey(h);
        String val = connection.getHeaderField(h);
        while (hdr != null || val != null) {
            String lhdr = hdr != null ? hdr.toLowerCase() : null;
            if (hdr != null && val != null && !_DontProxyHeaders.contains(lhdr)) {
                if (hdr.equalsIgnoreCase("Location")) {
                    val = Rewriter.translateCleanUrl(val, servletPath, proxyPath);
                }
                response.addHeader(hdr, val);

            }

            h++;
            hdr = connection.getHeaderFieldKey(h);
            val = connection.getHeaderField(h);

        }

        boolean isGzipped = connection.getContentEncoding() != null
                && connection.getContentEncoding().contains("gzip");
        response.addHeader("Via", "1.1 (jetty)");
        // boolean process = connection.getContentType() == null
        // || connection.getContentType().isEmpty()
        // || connection.getContentType().contains("html");
        boolean process = connection.getContentType() != null && connection.getContentType().contains("text");
        if (proxy_in != null) {
            if (!process) {
                IOUtils.copy(proxy_in, response.getOutputStream());
                proxy_in.close();
            } else {
                InputStream in;
                if (isGzipped && proxy_in != null && proxy_in.available() > 0) {
                    in = new GZIPInputStream(proxy_in);
                } else {
                    in = proxy_in;
                }
                ByteArrayOutputStream byteArrOS = new ByteArrayOutputStream();
                IOUtils.copy(in, byteArrOS);
                in.close();
                if (in != proxy_in)
                    proxy_in.close();
                String charset = response.getCharacterEncoding();
                if (charset == null || charset.isEmpty()) {
                    charset = "ISO-8859-1";
                }
                String originalContent = new String(byteArrOS.toByteArray(), charset);
                byteArrOS.close();
                return new ProcessResult(originalContent, connection.getContentType(), charset, isGzipped);
            }
        }

    }
    return null;
}

---

From source file:org.ringside.client.BaseRequestHandler.java

public URLConnection connectToServer(ApiMethod method, Parameters params, Context context) throws Exception {
    // are we ensured that our protocol is always one of either http or https
    // build our HTTP (or HTTPS) connection? this method assumes so
    CharSequence postString = params.implode('&');
    HttpURLConnection conn = (HttpURLConnection) context.getServerAddress().openConnection();
    conn.setAllowUserInteraction(false);
    conn.setConnectTimeout(60000);/*from w w w . ja v a  2  s .  c o  m*/
    conn.setReadTimeout(60000);
    conn.setUseCaches(false);
    conn.setDoInput(true);
    conn.setDoOutput(true);
    conn.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
    conn.setRequestProperty("User-Agent", USER_AGENT);
    conn.setRequestProperty("Content-length", Integer.toString(postString.length()));
    conn.setInstanceFollowRedirects(true);
    conn.setRequestMethod("POST");

    // connect to the server and write the parameters to the output
    conn.connect();
    conn.getOutputStream().write(postString.toString().getBytes());
    return conn;
}

---

From source file:org.pocketcampus.plugin.moodle.server.old.MoodleServiceImpl.java

public TequilaToken getTequilaTokenForMoodle() throws TException {
    System.out.println("getTequilaTokenForMoodle");
    try {//  w  w  w.jav a2  s.c om
        HttpURLConnection conn2 = (HttpURLConnection) new URL("http://moodle.epfl.ch/auth/tequila/index.php")
                .openConnection();
        conn2.setInstanceFollowRedirects(false);
        conn2.getInputStream();
        URL url = new URL(conn2.getHeaderField("Location"));
        MultiMap<String> params = new MultiMap<String>();
        UrlEncoded.decodeTo(url.getQuery(), params, "UTF-8");
        TequilaToken teqToken = new TequilaToken(params.getString("requestkey"));
        Cookie cookie = new Cookie();
        for (String header : conn2.getHeaderFields().get("Set-Cookie")) {
            cookie.addFromHeader(header);
        }
        teqToken.setLoginCookie(cookie.cookie());
        return teqToken;
    } catch (IOException e) {
        e.printStackTrace();
        throw new TException("Failed to getTequilaToken from upstream server");
    }
}

---

From source file:com.comcast.cdn.traffic_control.traffic_router.core.util.Fetcher.java

protected HttpURLConnection getConnection(final String url, final String data, final String requestMethod,
        final long lastFetchTime) throws IOException {
    String method = GET_STR;//from w  w w .  j  a v  a2  s .  co  m

    if (requestMethod != null) {
        method = requestMethod;
    }

    LOGGER.info(method + "ing: " + url + "; timeout is " + timeout);

    final URLConnection connection = new URL(url).openConnection();

    connection.setIfModifiedSince(lastFetchTime);

    if (timeout != 0) {
        connection.setConnectTimeout(timeout);
        connection.setReadTimeout(timeout);
    }

    final HttpURLConnection http = (HttpURLConnection) connection;

    if (connection instanceof HttpsURLConnection) {
        final HttpsURLConnection https = (HttpsURLConnection) connection;
        https.setHostnameVerifier(new HostnameVerifier() {
            @Override
            public boolean verify(final String arg0, final SSLSession arg1) {
                return true;
            }
        });
    }

    http.setInstanceFollowRedirects(false);
    http.setRequestMethod(method);
    http.setAllowUserInteraction(true);

    for (final String key : requestProps.keySet()) {
        http.addRequestProperty(key, requestProps.get(key));
    }

    if (method.equals(POST_STR) && data != null) {
        http.setDoOutput(true); // Triggers POST.

        try (final OutputStream output = http.getOutputStream()) {
            output.write(data.getBytes(UTF8_STR));
        }
    }

    connection.connect();

    return http;
}

---

From source file:com.amazonaws.http.UrlHttpClient.java

void configureConnection(HttpRequest request, HttpURLConnection connection) {
    // configure the connection
    connection.setConnectTimeout(config.getConnectionTimeout());
    connection.setReadTimeout(config.getSocketTimeout());
    // disable redirect and cache
    connection.setInstanceFollowRedirects(false);
    connection.setUseCaches(false);//  w  w  w . j a va2s. c  om
    // is streaming
    if (request.isStreaming()) {
        connection.setChunkedStreamingMode(0);
    }

    // configure https connection
    if (connection instanceof HttpsURLConnection) {
        final HttpsURLConnection https = (HttpsURLConnection) connection;

        // disable cert check
        /*
         * Commented as per https://support.google.com/faqs/answer/6346016. Uncomment for testing.
        if (System.getProperty(DISABLE_CERT_CHECKING_SYSTEM_PROPERTY) != null) {
        disableCertificateValidation(https);
        }
        */

        if (config.getTrustManager() != null) {
            enableCustomTrustManager(https);
        }
    }
}

---

From source file:org.spigotmc.timings.TimingsExport.java

@Override
public void run() {
    sender.sendMessage(ChatColor.GREEN + "Preparing Timings Report...");

    out.put("data", toObjectMapper(history, new Function<TimingHistory, JSONPair>() {
        @Override//from w w w. j  a v a2s.co  m
        public JSONPair apply(TimingHistory input) {
            return input.export();
        }
    }));

    String response = null;
    try {
        HttpURLConnection con = (HttpURLConnection) new URL("http://timings.aikar.co/post").openConnection();
        con.setDoOutput(true);
        con.setRequestProperty("User-Agent",
                "Spigot/" + Bukkit.getServerName() + "/" + InetAddress.getLocalHost().getHostName());
        con.setRequestMethod("POST");
        con.setInstanceFollowRedirects(false);

        OutputStream request = new GZIPOutputStream(con.getOutputStream()) {
            {
                this.def.setLevel(7);
            }
        };

        request.write(JSONValue.toJSONString(out).getBytes("UTF-8"));
        request.close();

        response = getResponse(con);

        if (con.getResponseCode() != 302) {
            sender.sendMessage(
                    ChatColor.RED + "Upload Error: " + con.getResponseCode() + ": " + con.getResponseMessage());
            sender.sendMessage(ChatColor.RED + "Check your logs for more information");
            if (response != null) {
                Bukkit.getLogger().log(Level.SEVERE, response);
            }
            return;
        }

        String location = con.getHeaderField("Location");
        sender.sendMessage(ChatColor.GREEN + "View Timings Report: " + location);
        if (!(sender instanceof ConsoleCommandSender)) {
            Bukkit.getLogger().log(Level.INFO, "View Timings Report: " + location);
        }

        if (response != null && !response.isEmpty()) {
            Bukkit.getLogger().log(Level.INFO, "Timing Response: " + response);
        }
    } catch (IOException ex) {
        sender.sendMessage(ChatColor.RED + "Error uploading timings, check your logs for more information");
        if (response != null) {
            Bukkit.getLogger().log(Level.SEVERE, response);
        }
        Bukkit.getLogger().log(Level.SEVERE, "Could not paste timings", ex);
    }
}

---

From source file:android.widget.TiVideoView4.java

private void setDataSource() {
    try {/*from  ww  w .  j a va 2  s.  co m*/
        if (mUri.getScheme().equals("http") || mUri.getScheme().equals("https")) {
            // Media player doesn't handle redirects, try to follow them here
            while (true) {
                // java.net.URL doesn't handle rtsp
                if (mUri.getScheme() != null && mUri.getScheme().equals("rtsp"))
                    break;

                URL url = new URL(mUri.toString());
                HttpURLConnection cn = (HttpURLConnection) url.openConnection();
                cn.setInstanceFollowRedirects(false);
                String location = cn.getHeaderField("Location");
                if (location != null) {
                    String host = mUri.getHost();
                    int port = mUri.getPort();
                    String scheme = mUri.getScheme();
                    mUri = Uri.parse(location);
                    if (mUri.getScheme() == null) {
                        // Absolute URL on existing host/port/scheme
                        if (scheme == null) {
                            scheme = "http";
                        }
                        String authority = port == -1 ? host : host + ":" + port;
                        mUri = mUri.buildUpon().scheme(scheme).encodedAuthority(authority).build();
                    }
                } else {
                    break;
                }
            }
        }
        mMediaPlayer.setDataSource(getContext(), mUri);
    } catch (ClientProtocolException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IllegalArgumentException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (SecurityException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IllegalStateException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

---

From source file:com.nicolacimmino.expensestracker.tracker.expenses_api.ExpensesApiRequest.java

public boolean performRequest() {

    jsonResponseArray = null;//from   ww w.java  2s  . c  o  m
    jsonResponseObject = null;

    HttpURLConnection connection = null;

    try {

        // Get the request JSON document as U*TF-8 encoded bytes, suitable for HTTP.
        mRequestData = ((mRequestData != null) ? mRequestData : new JSONObject());
        byte[] postDataBytes = mRequestData.toString(0).getBytes("UTF-8");

        URL url = new URL(mUrl);
        connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(mRequestMethod == "GET" ? false : true); // No body data for GET
        connection.setDoInput(true);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestMethod(mRequestMethod);
        connection.setUseCaches(false);

        // For all methods except GET we need to include data in the body.
        if (mRequestMethod != "GET") {
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("charset", "utf-8");
            connection.setRequestProperty("Content-Length", "" + Integer.toString(postDataBytes.length));

            DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
            wr.write(postDataBytes);
            wr.flush();
            wr.close();
        }

        if (connection.getResponseCode() == 200) {
            InputStreamReader in = new InputStreamReader((InputStream) connection.getContent());
            BufferedReader buff = new BufferedReader(in);
            String line = buff.readLine().toString();
            buff.close();
            Object json = new JSONTokener(line).nextValue();
            if (json.getClass() == JSONObject.class) {
                jsonResponseObject = (JSONObject) json;
            } else if (json.getClass() == JSONArray.class) {
                jsonResponseArray = (JSONArray) json;
            } // else members will be left to null indicating no valid response.
            return true;
        }

    } catch (MalformedURLException e) {
        Log.e(TAG, e.getMessage());
    } catch (IOException e) {
        Log.e(TAG, e.getMessage());
    } catch (JSONException e) {
        Log.e(TAG, e.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return false;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• »