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:Main.java

public static String readTextFromURL(String urlString) throws IOException {

    HttpURLConnection urlConnection = null;

    URL url = new URL(urlString);

    urlConnection = (HttpURLConnection) url.openConnection();

    urlConnection.setRequestMethod("GET");
    urlConnection.setReadTimeout(10000 /* milliseconds */);
    urlConnection.setConnectTimeout(15000 /* milliseconds */);

    urlConnection.setDoOutput(true);/*  w  w  w  . j a  v a2  s.  c  o m*/

    urlConnection.connect();

    BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));

    char[] buffer = new char[1024];

    String jsonString = new String();

    StringBuilder sb = new StringBuilder();
    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line + "\n");
    }
    br.close();

    return sb.toString();
}

From source file:com.example.admin.processingboilerplate.JsonIO.java

public static StringBuilder loadString(String url) {
    StringBuilder sb = new StringBuilder();
    try {/*from  www.  j  a  va2 s . c  o  m*/
        URLConnection uc = (new URL(url)).openConnection();
        HttpURLConnection con = url.startsWith("https") ? (HttpsURLConnection) uc : (HttpURLConnection) uc;
        try {
            con.setReadTimeout(6000);
            con.setConnectTimeout(6000);
            con.setRequestMethod("GET");
            con.setDoInput(true);
            con.setRequestProperty("User-Agent", USER_AGENT);
            sb = load(con);
        } catch (IOException e) {
            Log.e("loadJson", e.getMessage(), e);
        } finally {
            con.disconnect();
        }
    } catch (IOException e) {
        Log.e("loadJson", e.getMessage(), e);
    }
    return sb;
}

From source file:Main.java

/**
 * Make an HTTP request to the given URL and return a String as the response.
 *//*from www  . ja  v a2 s.  co  m*/
private static String makeHttpRequest(URL url) throws IOException {
    String jsonResponse = "";

    // If the URL is null, then return early.
    if (url == null) {
        return jsonResponse;
    }

    HttpURLConnection urlConnection = null;
    InputStream inputStream = null;
    try {
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setReadTimeout(10000 /* milliseconds */);
        urlConnection.setConnectTimeout(15000 /* milliseconds */);
        urlConnection.setRequestMethod("GET");
        urlConnection.connect();

        /*
        If the request was successful (response code 200),
        then read the input stream and parse the response.
         */
        if (urlConnection.getResponseCode() == 200) {
            inputStream = urlConnection.getInputStream();
            jsonResponse = readFromStream(inputStream);
        } else {
            //handle exception
        }
    } catch (IOException e) {
        //handle exception
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
        if (inputStream != null) {
            inputStream.close();
        }
    }
    return jsonResponse;
}

From source file:com.abid_mujtaba.bitcoin.tracker.network.Client.java

private static String get(String url_string) throws ClientException {
    HttpURLConnection connection = null; // NOTE: fetchImage is set up to use HTTP not HTTPS

    try {/*from  w ww.j ava2 s  . c om*/
        URL url = new URL(url_string);
        connection = (HttpURLConnection) url.openConnection();

        connection.setConnectTimeout(CONNECTION_TIMEOUT);
        connection.setReadTimeout(READ_TIMEOUT);

        InputStream is = new BufferedInputStream(connection.getInputStream());

        int response_code;

        if ((response_code = connection.getResponseCode()) != 200) {
            throw new ClientException("Error code returned by response: " + response_code);
        }

        return InputStreamToString(is);
    } catch (SocketTimeoutException e) {
        throw new ClientException("Socket timed out.", e);
    } catch (IOException e) {
        throw new ClientException("IO Exception raised while attempting to GET response.", e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

From source file:Main.java

static byte[] httpRequest(String url, byte[] requestBytes, int connectionTimeOutMs, int readTimeOutMs) {
    byte[] bArr = null;
    if (!(url == null || requestBytes == null)) {
        InputStream inputStream = null;
        HttpURLConnection urlConnection = null;
        try {//w w  w . ja v  a 2 s. co  m
            urlConnection = (HttpURLConnection) new URL(url).openConnection();
            urlConnection.setDoOutput(true);
            urlConnection.setConnectTimeout(connectionTimeOutMs);
            urlConnection.setReadTimeout(readTimeOutMs);
            urlConnection.setFixedLengthStreamingMode(requestBytes.length);
            OutputStream outputStream = urlConnection.getOutputStream();
            outputStream.write(requestBytes);
            outputStream.close();
            if (urlConnection.getResponseCode() != 200) {
                if (inputStream != null) {
                    try {
                        inputStream.close();
                    } catch (IOException e) {
                    }
                }
                if (urlConnection != null) {
                    urlConnection.disconnect();
                }
            } else {
                inputStream = urlConnection.getInputStream();
                ByteArrayOutputStream result = new ByteArrayOutputStream();
                byte[] buffer = new byte[16384];
                while (true) {
                    int chunkSize = inputStream.read(buffer);
                    if (chunkSize < 0) {
                        break;
                    } else if (chunkSize > 0) {
                        result.write(buffer, 0, chunkSize);
                    }
                }
                bArr = result.toByteArray();
                if (inputStream != null) {
                    try {
                        inputStream.close();
                    } catch (IOException e2) {
                    }
                }
                if (urlConnection != null) {
                    urlConnection.disconnect();
                }
            }
        } catch (IOException e3) {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e4) {
                }
            }
            if (urlConnection != null) {
                urlConnection.disconnect();
            }
        } catch (Throwable th) {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e5) {
                }
            }
            if (urlConnection != null) {
                urlConnection.disconnect();
            }
        }
    }
    return bArr;
}

From source file:org.cytoscape.app.internal.net.server.ScreenOriginsBeforeResponseTest.java

private static HttpURLConnection connectToURL(String urlString, String method, String origin) throws Exception {
    final URL url = new URL(urlString);
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(method);
    connection.setDoOutput(true);/*from   ww  w .  j  a v a2  s.  c o  m*/
    if (origin != null)
        connection.setRequestProperty("Origin", origin);
    connection.setConnectTimeout(1000);
    connection.connect();
    return connection;
}

From source file:com.mnt.base.util.HttpUtil.java

private static void setTimeout(HttpURLConnection conn) {
    if (connectionTimeout > 0) {
        conn.setConnectTimeout(connectionTimeout);
    }/*  w  w w  .j  a  va2 s.  c o  m*/

    if (readTimeout > 0) {
        conn.setReadTimeout(readTimeout);
    }
}

From source file:circleplus.app.http.AbstractHttpApi.java

private static HttpURLConnection getHttpURLConnection(URL url, int requestMethod, boolean acceptJson)
        throws IOException {
    if (D)//from   www .j  a v a2 s  .  co  m
        Log.d(TAG, "execute method: " + requestMethod + " url: " + url.toString() + " accept JSON ?= "
                + acceptJson);

    String method;
    boolean isPost;
    switch (requestMethod) {
    case REQUEST_METHOD_GET:
        method = "GET";
        isPost = false;
        break;
    case REQUEST_METHOD_POST:
        method = "POST";
        isPost = true;
        break;
    default:
        method = "GET";
        isPost = false;
        break;
    }

    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setReadTimeout(TIMEOUT);
    conn.setConnectTimeout(TIMEOUT);
    conn.setRequestProperty("Content-Type", JSON_UTF8_CONTENT_TYPE);
    if (isPost && acceptJson) {
        conn.setRequestProperty("Accept", JSON_CONTENT_TYPE);
    }
    conn.setRequestMethod(method);
    /* setDoOutput(true) equals setRequestMethod("POST") */
    conn.setDoOutput(isPost);
    conn.setChunkedStreamingMode(0);
    // Starts the query
    conn.connect();

    return conn;
}

From source file:Main.java

private static InputStream getInputStreamFromUrl_V9(Context paramContext, String paramString) {
    if (confirmDownload(paramContext, paramString)) {
        try {//from   w  ww  .  j  a va 2  s .  c  o  m

            URL localURL = new URL(paramString);
            HttpURLConnection localHttpURLConnection2 = (HttpURLConnection) localURL.openConnection();
            localHttpURLConnection2.setRequestProperty("Accept-Charset", "UTF-8");
            localHttpURLConnection2.setReadTimeout(30000);
            localHttpURLConnection2.setConnectTimeout(30000);
            localHttpURLConnection2.setRequestMethod("GET");
            localHttpURLConnection2.setDoInput(true);
            localHttpURLConnection2.connect();
            return localHttpURLConnection2.getInputStream();

        } catch (Throwable localThrowable) {

            localThrowable.printStackTrace();
            return null;

        }
    } else {
        return null;
    }
}

From source file:Main.java

public static String getResponse(String urlParam) {
    try {/*from  w  ww.  j ava  2 s . c  o m*/
        URL url = new URL(urlParam);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE6.0; Windows NT 5.1; SV1)");
        conn.setConnectTimeout(5000);
        conn.setRequestMethod("GET");
        if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
            InputStream inputStream = conn.getInputStream();
            return inputStream2String(inputStream);
        }
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
    return null;
}