Example usage for java.net HttpURLConnection getResponseCode

List of usage examples for java.net HttpURLConnection getResponseCode

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Introduction

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

Prototype

public int getResponseCode() throws IOException

Source Link

Document

Gets the status code from an HTTP response message.

Usage

From source file:Main.java

public static String requestData(String address) throws IOException {
    URL url = new URL(address);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("GET");
    connection.setConnectTimeout(5000);//from  ww w  . j  ava2s  . c o m
    connection.setReadTimeout(5000);
    String data = null;
    InputStream is = null;
    if (connection.getResponseCode() == 200) {
        is = connection.getInputStream();
        data = readFromStream(is);
    }
    if (is != null) {
        is.close();
    }
    return data;
}

From source file:com.magnet.plugin.common.helpers.URLHelper.java

public static boolean checkURL(String urlS) {
    FormattedLogger logger = new FormattedLogger(URLHelper.class);
    logger.append("checkURL:" + urlS);
    try {//ww  w  .j av a  2s . c o m
        URL url = new URL(urlS);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        logger.append("Response code: " + conn.getResponseCode());
        logger.showInfoLog();
        return true;
    } catch (IOException e) {
        logger.append(e.getMessage());
        logger.showErrorLog();
    }
    return false;
}

From source file:Main.java

public static InputStream downloadURL(String link) throws IOException {
    URL url = new URL(link);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setReadTimeout(10000);/*www  .java2s  .c o  m*/
    conn.setConnectTimeout(15000);
    conn.setRequestMethod("GET");
    conn.setDoInput(true);
    conn.connect();
    logInfo("downloadStatus: " + conn.getResponseCode());
    return conn.getInputStream();
}

From source file:Main.java

private static String connect(String uri, String charsetName) {
    String result = "";
    try {/*  www .  j  a va2  s.  c om*/
        URL url = new URL(uri);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(5 * 1000);
        if (Integer.parseInt(Build.VERSION.SDK) < 8) {
            System.setProperty("http.keepAlive", "false");
        }
        if (conn.getResponseCode() == 200) {
            InputStream is = conn.getInputStream();
            result = readData(is, charsetName);
        }
        conn.disconnect();
    } catch (MalformedURLException e) {
    } catch (IOException e) {
    } catch (Exception e) {
    }
    return result;
}

From source file:com.infosupport.service.LPRServiceCaller.java

public static JSONObject doGet(String urlString) {
    String json = null;/*from  w w  w  .  ja  v a  2  s.c o m*/
    try {
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setRequestProperty("Accept", "application/json");

        if (conn.getResponseCode() != 200) {
            throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        String output;
        while ((output = br.readLine()) != null) {
            json = output;
            System.out.println(json + "from doGet");
        }
        conn.disconnect();
    } catch (IOException e) {
        Log.w(TAG, "IOException, waarschijnlijk geen internet connectie aanwezig...");
    }
    JSONObject jsonObject = null;
    try {
        jsonObject = new JSONObject(json);
    } catch (JSONException e) {
        Log.e(TAG, "Kon geen JsonObject maken van het response");
    }
    return jsonObject;
}

From source file:org.droidparts.http.worker.HttpURLConnectionWorker.java

private static int connectAndGetResponseCodeOrThrow(HttpURLConnection conn) throws HTTPException {
    try {/*from w  ww . j a  v a  2 s  . co m*/
        conn.connect();
        int respCode = conn.getResponseCode();
        if (isErrorResponseCode(respCode)) {
            HTTPInputStream is = HTTPInputStream.getInstance(conn, (conn.getErrorStream() != null));
            throw new HTTPException(respCode, is.readAndClose());
        }
        return respCode;
    } catch (HTTPException e) {
        throw e;
    } catch (Exception e) {
        throw new HTTPException(e);
    }

}

From source file:Main.java

public static void server2mobile(Context context, String type) {

    String serverPath = "http://shaunrain.zicp.net/FileUp/QueryServlet?type=" + type;
    try {// w  w  w  .  j  a v  a2 s  .co m
        URL url = new URL(serverPath);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(10000);
        conn.setRequestMethod("GET");

        int code = conn.getResponseCode();
        Log.d("code", code + "");
        if (code == 200) {
            InputStream is = conn.getInputStream();

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int len = 0;
            byte[] buffer = new byte[1024];

            while ((len = is.read(buffer)) != -1) {
                baos.write(buffer, 0, len);
            }
            is.close();
            conn.disconnect();

            String result = new String(baos.toByteArray());
            String[] results = result.split("[$]");
            for (String r : results) {
                if (r.length() != 0) {
                    URL json = new URL(r);
                    HttpURLConnection con = (HttpURLConnection) json.openConnection();
                    con.setConnectTimeout(5000);
                    con.setRequestMethod("GET");
                    int co = con.getResponseCode();
                    if (co == 200) {
                        File jsonFile;
                        if (r.endsWith("clear.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/clear.json");
                        } else if (r.endsWith("crowd.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/crowd.json");
                        } else if (r.endsWith("trouble.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/trouble.json");
                        } else {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/control.json");
                        }

                        if (jsonFile.exists())
                            jsonFile.delete();
                        jsonFile.createNewFile();
                        try (BufferedReader reader = new BufferedReader(
                                new InputStreamReader(con.getInputStream(), "gb2312"));
                                BufferedWriter writer = new BufferedWriter(new FileWriter(jsonFile));) {
                            String line = null;
                            while ((line = reader.readLine()) != null) {
                                writer.write(line);
                            }
                        }

                    }
                    con.disconnect();
                }
            }

        }

    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:Main.java

public static String getRequest(String query) {
    HttpURLConnection connection = null;
    try {/*from   w  w w .jav a  2s  . c o  m*/
        connection = (HttpURLConnection) new URL(url + query).openConnection();
        connection.setRequestMethod("GET");
        connection.setRequestProperty("Accept-Charset", charset);

        statusCode = connection.getResponseCode();
        if (statusCode != 200) {
            return null;
        }

        InputStream response = connection.getInputStream();
        BufferedReader bR = new BufferedReader(new InputStreamReader(response));
        String line = "";

        StringBuilder responseStrBuilder = new StringBuilder();
        while ((line = bR.readLine()) != null) {
            responseStrBuilder.append(line);
        }
        response.close();
        return responseStrBuilder.toString();

    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static JSONObject postRequest(String query) {

    HttpURLConnection connection = null;
    try {/*  w  w  w.  j  ava  2  s.c  om*/
        connection = (HttpURLConnection) new URL(url + query).openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Accept-Charset", charset);

        statusCode = connection.getResponseCode();
        if (statusCode != 200) {
            return null;
        }

        InputStream response = connection.getInputStream();
        BufferedReader bR = new BufferedReader(new InputStreamReader(response));
        String line = "";

        StringBuilder responseStrBuilder = new StringBuilder();
        while ((line = bR.readLine()) != null) {
            responseStrBuilder.append(line);
        }
        response.close();

        return new JSONObject(responseStrBuilder.toString());

    } catch (IOException | JSONException e) {
        e.printStackTrace();
    }
    return new JSONObject();
}

From source file:com.github.thorqin.webapi.oauth2.OAuthClient.java

public static <T> T obtainResource(String authorityServerUri, String accessToken, Class<T> type)
        throws IOException, OAuthException, ClassCastException {
    URL u = new URL(authorityServerUri);
    HttpURLConnection conn = (HttpURLConnection) u.openConnection();
    conn.setRequestProperty("Authorization", "Bearer " + accessToken);
    if (conn.getResponseCode() == 401) {
        String wwwAuth = conn.getHeaderField("WWW-Authenticate");
        if (wwwAuth == null) {
            throw new OAuthException("unauthorized_client");
        } else {/* w w w  .  j av  a2  s .c  o m*/
            throw new OAuthException(getHeadSubParameter(wwwAuth, "error"),
                    getHeadSubParameter(wwwAuth, "error_description"),
                    getHeadSubParameter(wwwAuth, "error_uri"));
        }
    } else if (conn.getResponseCode() == 400) {
        throw new OAuthException("invalid_request");
    } else if (conn.getResponseCode() > 401 && conn.getResponseCode() < 500) {
        throw new OAuthException("access_denied");
    } else if (conn.getResponseCode() >= 500) {
        throw new OAuthException("server_error");
    } else if (conn.getResponseCode() != 200)
        throw new OAuthException("unsupported_response_type");
    try (InputStream is = conn.getInputStream(); InputStreamReader reader = new InputStreamReader(is)) {
        T resource = Serializer.fromJson(reader, type);
        return resource;
    }
}