Example usage for java.io BufferedReader close

List of usage examples for java.io BufferedReader close

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Introduction

In this page you can find the example usage for java.io BufferedReader close.

Prototype

public void close() throws IOException

Source Link

Usage

From source file:Main.java

public static String getInputStream(InputStream is) throws IOException {
    if (is == null)
        throw new IllegalArgumentException("stream mustn't be null!");

    BufferedReader bufReader = createBuffReader(is);
    StringBuilder sb = new StringBuilder();
    String line;/*from   w ww. j  av a2s . c om*/
    while ((line = bufReader.readLine()) != null) {
        sb.append(line);
        sb.append('\n');
    }
    bufReader.close();
    return sb.toString();
}

From source file:cloudworker.RemoteWorker.java

private static void cleanUpInstance() {
    /*try {// w  w  w. j  ava 2s . c  om
       CancelSpotInstanceRequestsRequest cancelRequest = new CancelSpotInstanceRequestsRequest(spotInstanceRequestIds);
    ec2.cancelSpotInstanceRequests(cancelRequest);
    } catch (AmazonServiceException e) {
    // Write out any exceptions that may have occurred.
    System.out.println("Error cancelling instances");
    System.out.println("Caught Exception: " + e.getMessage());
    System.out.println("Reponse Status Code: " + e.getStatusCode());
    System.out.println("Error Code: " + e.getErrorCode());
    System.out.println("Request ID: " + e.getRequestId());
      }*/

    List<String> instanceId = new ArrayList<String>();
    String inputLine;
    URL EC2MetaData;

    try {
        EC2MetaData = new URL("http://169.254.169.254/latest/meta-data/instance-id");
        URLConnection EC2MD = EC2MetaData.openConnection();
        BufferedReader in = new BufferedReader(new InputStreamReader(EC2MD.getInputStream()));
        while ((inputLine = in.readLine()) != null) {
            instanceId.add(inputLine);
        }
        in.close();
    } catch (MalformedURLException e1) {
        e1.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    try {
        // Terminate instances.
        TerminateInstancesRequest terminateRequest = new TerminateInstancesRequest(instanceId);
        ec2.terminateInstances(terminateRequest);
    } catch (AmazonServiceException e) {
        // Write out any exceptions that may have occurred.
        System.out.println("Error terminating instances");
        System.out.println("Caught Exception: " + e.getMessage());
        System.out.println("Reponse Status Code: " + e.getStatusCode());
        System.out.println("Error Code: " + e.getErrorCode());
        System.out.println("Request ID: " + e.getRequestId());
    }

}

From source file:javaphpmysql.JavaPHPMySQL.java

public static void sendGet() {
    //Creamos un objeto JSON
    JSONObject jsonObj = new JSONObject();
    //Aadimos el nombre, apellidos y email del usuario
    jsonObj.put("nombre", nombre);
    jsonObj.put("apellidos", apellidos);
    jsonObj.put("email", email);
    //Creamos una lista para almacenar el JSON
    List l = new LinkedList();
    l.addAll(Arrays.asList(jsonObj));
    //Generamos el String JSON
    String jsonString = JSONValue.toJSONString(l);
    System.out.println("JSON GENERADO:");
    System.out.println(jsonString);
    System.out.println("");

    try {/* w ww.  j  a v  a 2 s  .  co m*/
        //Codificar el json a URL
        jsonString = URLEncoder.encode(jsonString, "UTF-8");
        //Generar la URL
        String url = SERVER_PATH + "listenGet.php?json=" + jsonString;
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        // optional default is GET
        con.setRequestMethod("GET");

        //add request header
        con.setRequestProperty("User-Agent", USER_AGENT);

        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'GET' request to URL : " + url);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        //print result
        System.out.println(response.toString());
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String readFile(File file) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
    try {/*from w  w  w  .  ja v a 2 s. co  m*/
        StringBuilder ret = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            ret.append(line);
            ret.append("\n");
        }
        return ret.toString();
    } finally {
        reader.close();
    }
}

From source file:com.wikonos.network.HttpLogSender.java

public static String readStream(InputStream is) {
    StringBuilder builder = new StringBuilder();
    BufferedReader reader = new BufferedReader(new InputStreamReader(is));
    try {//from  ww  w . j  av a  2s  . c o  m
        String line;
        while ((line = reader.readLine()) != null) {
            builder.append(line);
        }
        reader.close();
    } catch (IOException e) {
        e.printStackTrace();
        ErrorLog.e(e);
    } finally {

    }
    return builder.toString();
}

From source file:Main.java

private static String getSystemProperty() {
    String line = "";
    BufferedReader input = null;
    try {/*w  ww  . j  a v  a  2 s . c o  m*/
        Process p = Runtime.getRuntime().exec("getprop");
        input = new BufferedReader(new InputStreamReader(p.getInputStream()), 2048);
        String ret = input.readLine();
        while (ret != null) {
            line += ret + "\n";
            ret = input.readLine();
        }
        input.close();
    } catch (IOException ex) {
        Log.e(TAG, "Unable to read sysprop", ex);
        return null;
    } finally {
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
                Log.e(TAG, "Exception while closing InputStream", e);
            }
        }
    }
    return line;
}

From source file:Main.java

/**
 * Issue a POST request to the server./*from   www . j  a  v  a 2s  .c  o m*/
 *
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 *
 * @throws java.io.IOException
 *             propagated from POST.
 */
public static String post(String endpoint, Map<String, String> params) throws IOException {
    URL url;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }

        // Get Response
        InputStream is = conn.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\n');
        }
        rd.close();
        return response.toString();

    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

From source file:Main.java

public static long totalMemorySize() {
    String memInfoPath = "/proc/meminfo";
    String str2;/*ww w  .  j  a v  a  2  s .c  o  m*/
    String[] arrayOfString;
    long initial_memory = 0;
    try {
        FileReader localFileReader = new FileReader(memInfoPath);
        BufferedReader localBufferedReader = new BufferedReader(localFileReader, 8192);
        str2 = localBufferedReader.readLine();
        arrayOfString = str2.split("\\s+");
        for (String num : arrayOfString) {
            Log.i(str2, num + "\t");
        }
        //total Memory
        initial_memory = Integer.valueOf(arrayOfString[1]) * 1024;
        localBufferedReader.close();
        return initial_memory;
    } catch (IOException e) {
        return -1;
    }
}

From source file:com.isol.app.tracker.Utilita.java

public static String getHttpData(String url) throws IOException, MalformedURLException {
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();

    InputStream in = conn.getInputStream();

    try {//from  ww  w .ja  v  a 2  s .c o  m
        StringBuilder sb = new StringBuilder();
        BufferedReader r = new BufferedReader(new InputStreamReader(new DoneHandlerInputStream(in)));
        for (String line = r.readLine(); line != null; line = r.readLine()) {
            sb.append(line);
        }

        r.close();
        return sb.toString();
    } finally {
        in.close();
    }
}