Example usage for java.net URL openConnection

Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException 

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:it.unicaradio.android.utils.NetworkUtils.java

public static byte[] httpGet(String urlString) throws IOException {
    URL url = new URL(urlString);

    URLConnection ucon = url.openConnection();

    InputStream is = ucon.getInputStream();
    BufferedInputStream bis = new BufferedInputStream(is);

    // Read bytes to the Buffer until there is nothing more to read(-1).
    ByteArrayBuffer baf = new ByteArrayBuffer(50);
    int current = 0;
    while ((current = bis.read()) != -1) {
        baf.append((byte) current);
    }/*from   w  w w  .  j av a2s.com*/

    return baf.toByteArray();
}

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From source file:com.kubotaku.android.openweathermap.lib.util.TimeZoneUtil.java

public static TimeZone getTargetTimeZone(LatLng latlng, String apiKey) {
    TimeZone timeZone = null;//  w w w  .  ja  v  a 2 s  . c  o m

    try {
        Date now = new Date();
        long currentTime = now.getTime();
        String requestURL = String.format(API_URL, latlng.latitude, latlng.longitude, currentTime, apiKey);

        URL url = new URL(requestURL);
        InputStream is = url.openConnection().getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        StringBuilder sb = new StringBuilder();
        String line;
        while (null != (line = reader.readLine())) {
            sb.append(line);
        }
        String data = sb.toString();

        timeZone = TimeZoneParser.parseTimeZone(data);

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

    return timeZone;
}

---

From source file:com.velonuboso.made.core.rat.RatNameHelper.java

public static String getText(URL url) throws Exception {
    URLConnection connection = url.openConnection();
    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));

    StringBuilder response = new StringBuilder();
    String inputLine;//  ww  w. j  a  v  a  2s.c  o m

    while ((inputLine = in.readLine()) != null)
        response.append(inputLine + "\n");

    in.close();

    return response.toString();
}

---

From source file:Main.java

@TargetApi(Build.VERSION_CODES.KITKAT)
public static String net(String strUrl, Map<String, Object> params, String method) throws Exception {
    HttpURLConnection conn = null;
    BufferedReader reader = null;
    String rs = null;//from   w w w  .ja va 2  s.c  o  m
    try {
        StringBuffer sb = new StringBuffer();
        if (method == null || method.equals("GET")) {
            strUrl = strUrl + "?" + urlencode(params);
        }
        URL url = new URL(strUrl);
        conn = (HttpURLConnection) url.openConnection();
        if (method == null || method.equals("GET")) {
            conn.setRequestMethod("GET");
        } else {
            conn.setRequestMethod("POST");
            conn.setDoOutput(true);
        }
        conn.setRequestProperty("User-agent", userAgent);
        conn.setUseCaches(false);
        conn.setConnectTimeout(DEF_CONN_TIMEOUT);
        conn.setReadTimeout(DEF_READ_TIMEOUT);
        conn.setInstanceFollowRedirects(false);
        conn.connect();
        if (params != null && method.equals("POST")) {
            try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
                out.writeBytes(urlencode(params));
            }
        }
        InputStream is = conn.getInputStream();
        reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));
        String strRead = null;
        while ((strRead = reader.readLine()) != null) {
            sb.append(strRead);
        }
        rs = sb.toString();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (reader != null) {
            reader.close();
        }
        if (conn != null) {
            conn.disconnect();
        }
    }
    return rs;
}

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From source file:UpdateMySqlClobServlet.java

public static String getClobsContentAsString(String urlAsString) throws Exception {
    InputStream content = null;/*from   w  w  w  .  j a va 2  s  .c  o m*/
    try {
        java.net.URL url = new java.net.URL(urlAsString);
        java.net.URLConnection urlConn = url.openConnection();
        urlConn.connect();
        content = urlConn.getInputStream();

        int BUFFER_SIZE = 1024;
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        int length;
        byte[] buffer = new byte[BUFFER_SIZE];

        while ((length = content.read(buffer)) != -1) {
            output.write(buffer, 0, length);
        }
        return new String(output.toByteArray());

    } finally {
        content.close();
    }
}

---

From source file:com.athomas.androidkickstartr.util.ResourcesUtils.java

private static void copyResourcesToFromJar(File target, URL url) throws IOException {
    JarURLConnection connection = (JarURLConnection) url.openConnection();
    JarFile jarFile = connection.getJarFile();

    Enumeration<JarEntry> entries = jarFile.entries();

    while (entries.hasMoreElements()) {
        JarEntry jarEntry = entries.nextElement();
        InputStream is = jarFile.getInputStream(jarEntry);
        String entryPath = jarEntry.getName();

        File file = null;/*from ww w . ja va  2s  .  c om*/
        String dirs = "";
        if (entryPath.contains("/")) {
            int lastIndexOf = entryPath.lastIndexOf("/");
            dirs = (String) entryPath.subSequence(0, lastIndexOf + 1);
        }

        File parent = new File(target, dirs);
        parent.mkdirs();

        if (!jarEntry.isDirectory()) {
            String[] splitedPath = entryPath.split("/");
            String fileName = splitedPath[splitedPath.length - 1];
            file = new File(parent, fileName);
            FileUtils.copyInputStreamToFile(is, file);
        }
    }
}

---

From source file:dk.nsi.minlog.test.utils.TestHelper.java

public static String sendRequest(String url, String action, String docXml, boolean failOnError)
        throws IOException, ServiceException {
    URL u = new URL(url);
    HttpURLConnection uc = (HttpURLConnection) u.openConnection();
    uc.setDoOutput(true);/* ww  w.  ja va 2  s. c  o  m*/
    uc.setDoInput(true);
    uc.setRequestMethod("POST");
    uc.setRequestProperty("SOAPAction", "\"" + action + "\"");
    uc.setRequestProperty("Content-Type", "text/xml; charset=utf-8;");
    OutputStream os = uc.getOutputStream();

    IOUtils.write(docXml, os, "UTF-8");
    os.flush();
    os.close();

    InputStream is;
    if (uc.getResponseCode() != 200) {
        is = uc.getErrorStream();
    } else {
        is = uc.getInputStream();
    }
    String res = IOUtils.toString(is);

    is.close();
    if (uc.getResponseCode() != 200 && (uc.getResponseCode() != 500 || failOnError)) {
        throw new ServiceException(res);
    }
    uc.disconnect();

    return res;
}

---

From source file:javarestart.JavaRestartLauncher.java

public static String getText(String url) throws IOException {
    URL website = new URL(url);
    HttpURLConnection connection = (HttpURLConnection) website.openConnection();
    try (LineNumberReader in = new LineNumberReader(new InputStreamReader(connection.getInputStream()))) {
        StringBuilder response = new StringBuilder();
        String inputLine;//from w  w w.jav  a2 s  .  com
        while ((inputLine = in.readLine()) != null)
            response.append(inputLine);

        return response.toString();
    }
}

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From source file:me.malladi.dashcricket.Util.java

/**
 * Fetch the current live scores./*w  w w  . jav  a  2s.c  o m*/
 * 
 * @return An array of the current live scores.
 */
public static LiveScore[] getLiveScores() {
    try {
        URL url = new URL(LIVE_SCORES_URL);
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setUseCaches(false);
        BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));

        StringBuilder json = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            json.append(line);
        }

        JSONArray jsonArray = new JSONArray(json.toString());
        LiveScore[] liveScores = new LiveScore[jsonArray.length()];
        for (int i = 0; i < jsonArray.length(); ++i) {
            JSONObject liveScoreJson = (JSONObject) jsonArray.opt(i);
            liveScores[i] = new LiveScore(liveScoreJson);
        }

        return liveScores;
    } catch (Exception e) {
        Log.e(TAG, "exception while fetching live scores", e);
    }
    return null;
}

---

From source file:com.netsteadfast.greenstep.util.WsServiceUtils.java

public static boolean testConnection(String wsdlAddress) throws Exception {
    if (StringUtils.isBlank(wsdlAddress)) {
        return true;
    }/*from  w  w  w.jav  a2  s  .  c  o  m*/
    boolean status = false;
    try {
        URL url = new URL(wsdlAddress);
        URLConnection connection = url.openConnection();
        connection.setConnectTimeout(TIMEOUT);
        connection.setReadTimeout(TIMEOUT);
        if (connection.getContent() != null) {
            status = true;
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return status;
}

---

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