Example usage for java.net HttpURLConnection setConnectTimeout

Introduction

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

Prototype

public void setConnectTimeout(int timeout) 

Source Link

Document

Sets a specified timeout value, in milliseconds, to be used when opening a communications link to the resource referenced by this URLConnection.

Usage

From source file:hudson.Main.java

/**
 * Connects to the given HTTP URL and configure time out, to avoid infinite hang.
 *//*from   w  w w.jav  a2 s . co  m*/
private static HttpURLConnection open(URL url) throws IOException {
    HttpURLConnection c = (HttpURLConnection) url.openConnection();
    c.setReadTimeout(TIMEOUT);
    c.setConnectTimeout(TIMEOUT);
    return c;
}

---

From source file:Main.java

static public JSONArray loadJSON(String url) {
    HttpURLConnection connection = null;
    JSONArray json = null;/*from   w  w w  .j a  va  2 s  .  c o m*/
    InputStream is = null;

    try {
        connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setConnectTimeout(5000);

        is = new BufferedInputStream(connection.getInputStream());
        json = new JSONArray(convertStreamToString(is));
    } catch (IOException ioe) {
        ioe.printStackTrace();
    } catch (JSONException je) {
        je.printStackTrace();
    } finally {
        try {
            if (is != null) {
                is.close();
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }

        if (connection != null) {
            connection.disconnect();
        }
    }

    return json;
}

---

From source file:com.ibuildapp.romanblack.CataloguePlugin.imageloader.Utils.java

public static String downloadFile(Context context, String url, String md5) {
    final int BYTE_ARRAY_SIZE = 8024;
    final int CONNECTION_TIMEOUT = 30000;
    final int READ_TIMEOUT = 30000;

    try {/*  w  w w  .  j  a  va 2  s  . co  m*/
        for (int i = 0; i < 3; i++) {
            URL fileUrl = new URL(URLDecoder.decode(url));
            HttpURLConnection connection = (HttpURLConnection) fileUrl.openConnection();
            connection.setConnectTimeout(CONNECTION_TIMEOUT);
            connection.setReadTimeout(READ_TIMEOUT);
            connection.connect();

            int status = connection.getResponseCode();

            if (status >= HttpStatus.SC_BAD_REQUEST) {
                connection.disconnect();

                continue;
            }

            BufferedInputStream bufferedInputStream = new BufferedInputStream(connection.getInputStream());
            File file = new File(StaticData.getCachePath(context) + md5);

            if (!file.exists()) {
                new File(StaticData.getCachePath(context)).mkdirs();
                file.createNewFile();
            }

            FileOutputStream fileOutputStream = new FileOutputStream(file, false);
            int byteCount;
            byte[] buffer = new byte[BYTE_ARRAY_SIZE];

            while ((byteCount = bufferedInputStream.read(buffer, 0, BYTE_ARRAY_SIZE)) != -1)
                fileOutputStream.write(buffer, 0, byteCount);

            bufferedInputStream.close();
            fileOutputStream.flush();
            fileOutputStream.close();

            return file.getAbsolutePath();
        }
    } catch (Exception e) {
        e.printStackTrace();

        return null;
    }

    return null;
}

---

From source file:com.adr.raspberryleds.HTTPUtils.java

public static JSONObject execPOST(String address, JSONObject params) throws IOException {

    BufferedReader readerin = null;
    Writer writerout = null;//from w  ww .  ja v  a  2s  . c om

    try {
        URL url = new URL(address);
        String query = params.toString();

        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setReadTimeout(10000 /* milliseconds */);
        connection.setConnectTimeout(15000 /* milliseconds */);
        connection.setRequestMethod("POST");
        connection.setAllowUserInteraction(false);

        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);

        connection.addRequestProperty("Content-Type", "application/json,encoding=UTF-8");
        connection.addRequestProperty("Content-length", String.valueOf(query.length()));

        writerout = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
        writerout.write(query);
        writerout.flush();

        writerout.close();
        writerout = null;

        int responsecode = connection.getResponseCode();
        if (responsecode == HttpURLConnection.HTTP_OK) {
            StringBuilder text = new StringBuilder();

            readerin = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
            String line = null;
            while ((line = readerin.readLine()) != null) {
                text.append(line);
                text.append(System.getProperty("line.separator"));
            }

            JSONObject result = new JSONObject(text.toString());

            if (result.has("exception")) {
                throw new IOException(
                        MessageFormat.format("Remote exception: {0}.", result.getString("exception")));
            } else {
                return result;
            }
        } else {
            throw new IOException(MessageFormat.format("HTTP response error: {0}. {1}",
                    Integer.toString(responsecode), connection.getResponseMessage()));
        }
    } catch (JSONException ex) {
        throw new IOException(MessageFormat.format("Parse exception: {0}.", ex.getMessage()));
    } finally {
        if (writerout != null) {
            writerout.close();
            writerout = null;
        }
        if (readerin != null) {
            readerin.close();
            readerin = null;
        }
    }
}

---

From source file:Main.java

public static String readPeopleData(String uri) {
    URL url;/*from w ww .  j  a  va2 s  . c o  m*/
    StringBuffer jsonstring = null;
    HttpURLConnection connection;

    Logger.getAnonymousLogger().info("Getting data for " + uri);

    try {
        url = new URL(uri);
        connection = (HttpURLConnection) url.openConnection();
        connection.setConnectTimeout(1000 * 5);

        InputStreamReader is = new InputStreamReader(connection.getInputStream());
        BufferedReader buff = new BufferedReader(is);
        jsonstring = new StringBuffer();
        String line = "";
        do {
            line = buff.readLine();
            if (line != null)
                jsonstring.append(line);
        } while (line != null);
    }

    catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    Logger.getAnonymousLogger().info("Returning Data " + jsonstring);

    if (null != jsonstring) {
        return jsonstring.toString().trim();
    } else {
        return null;
    }
}

---

From source file:info.tongrenlu.android.helper.HttpHelper.java

static public JSONObject loadJSON(String url) {
    HttpURLConnection connection = null;
    JSONObject json = null;/*from w ww  .  jav  a 2 s  .  co m*/
    InputStream is = null;

    try {
        connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setConnectTimeout(5000);

        is = new BufferedInputStream(connection.getInputStream());
        json = new JSONObject(convertStreamToString(is));
    } catch (IOException ioe) {
        ioe.printStackTrace();
    } catch (JSONException je) {
        je.printStackTrace();
    } finally {
        try {
            if (is != null) {
                is.close();
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }

        if (connection != null) {
            connection.disconnect();
        }
    }

    return json;
}

---

From source file:com.melniqw.instagramsdk.Network.java

private static String sendDummyRequest(String url, String body, Request request) throws IOException {
    HttpURLConnection connection = null;
    try {//  w w  w .j a  v a  2 s  . c o  m
        connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setConnectTimeout(10000);
        connection.setReadTimeout(10000);
        connection.setUseCaches(false);
        connection.setDoInput(true);
        //            connection.setRequestProperty("Content-Type", "text/plain; charset=utf-8");
        if (request == Request.GET) {
            connection.setDoOutput(false);
            connection.setRequestMethod("GET");
        } else if (request == Request.POST) {
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
        }
        if (REQUEST_ENABLE_COMPRESSION)
            connection.setRequestProperty("Accept-Encoding", "gzip");
        if (request == Request.POST)
            connection.getOutputStream().write(body.getBytes("utf-8"));
        int code = connection.getResponseCode();
        System.out.println(TAG + " responseCode = " + code);
        //It may happen due to keep-alive problem http://stackoverflow.com/questions/1440957/httpurlconnection-getresponsecode-returns-1-on-second-invocation
        if (code == -1)
            throw new WrongResponseCodeException("Network error");
        // ?    200
        //on error can also read error stream from connection.
        InputStream inputStream = new BufferedInputStream(connection.getInputStream(), 8192);
        String encoding = connection.getHeaderField("Content-Encoding");
        if (encoding != null && encoding.equalsIgnoreCase("gzip"))
            inputStream = new GZIPInputStream(inputStream);
        String response = Utils.convertStreamToString(inputStream);
        System.out.println(TAG + " response = " + response);
        return response;
    } finally {
        if (connection != null)
            connection.disconnect();
    }
}

---

From source file:com.intellij.lang.jsgraphql.languageservice.JSGraphQLNodeLanguageServiceClient.java

private static <R> R executeRequest(Request request, Class<R> responseClass, @NotNull Project project,
        boolean setProjectDir) {

    URL url = getJSGraphQLNodeLanguageServiceInstance(project, setProjectDir);
    if (url == null) {
        return null;
    }//from   w w w. j  av  a2 s .co m
    HttpURLConnection httpConnection = null;
    try {
        httpConnection = (HttpURLConnection) url.openConnection();
        httpConnection.setConnectTimeout(50);
        httpConnection.setReadTimeout(1000);
        httpConnection.setRequestMethod("POST");
        httpConnection.setDoOutput(true);
        httpConnection.setRequestProperty("Content-Type", "application/json");
        httpConnection.connect();
        try (OutputStreamWriter writer = new OutputStreamWriter(httpConnection.getOutputStream())) {
            final String jsonRequest = new Gson().toJson(request);
            writer.write(jsonRequest);
            writer.flush();
            writer.close();
        }
        if (httpConnection.getResponseCode() == 200) {
            if (responseClass == null) {
                return null;
            }
            try (InputStream inputStream = httpConnection.getInputStream()) {
                String jsonResponse = IOUtils.toString(inputStream, "UTF-8");
                R response = new Gson().fromJson(jsonResponse, responseClass);
                return response;
            }
        } else {
            log.warn("Got error from JS GraphQL Language Service: HTTP " + httpConnection.getResponseCode()
                    + ": " + httpConnection.getResponseMessage());
        }
    } catch (IOException e) {
        log.warn("Unable to connect to dev server", e);
    } finally {
        if (httpConnection != null) {
            httpConnection.disconnect();
        }
    }
    return null;
}

---

From source file:com.mingsoft.weixin.http.HttpClientConnectionManager.java

/**
 * ?/*from   w  w  w.j a v a  2 s.co m*/
 * @param postUrl ?
 * @param param ?
 * @param method 
 * @return null
 */
public static String request(String postUrl, String param, String method) {
    URL url;
    try {
        url = new URL(postUrl);

        HttpURLConnection conn;
        conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(30000); // ??)
        conn.setReadTimeout(30000); // ????)
        conn.setDoOutput(true); // post??http?truefalse
        conn.setDoInput(true); // ?httpUrlConnectiontrue
        conn.setUseCaches(false); // Post ?
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        conn.setRequestMethod(method);// "POST"GET
        conn.setRequestProperty("Content-Length", param.length() + "");
        String encode = "utf-8";
        OutputStreamWriter out = null;
        out = new OutputStreamWriter(conn.getOutputStream(), encode);
        out.write(param);
        out.flush();

        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            return null;
        }
        // ??
        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
        String line = "";
        StringBuffer strBuf = new StringBuffer();
        while ((line = in.readLine()) != null) {
            strBuf.append(line).append("\n");
        }
        in.close();
        out.close();
        return strBuf.toString();
    } catch (MalformedURLException e2) {
        // TODO Auto-generated catch block
        e2.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return null;
}

---

From source file:net.daporkchop.porkselfbot.util.HTTPUtils.java

public static HttpURLConnection createUrlConnection(final URL url) throws IOException {
    Validate.notNull(url);/*from  ww w  . j a  v  a  2s.co m*/
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setConnectTimeout(15000);
    connection.setReadTimeout(15000);
    connection.setUseCaches(false);
    return connection;
}

---

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