Example usage for java.io LineNumberReader LineNumberReader

Introduction

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

Prototype

public LineNumberReader(Reader in)

Source Link

Document

Create a new line-numbering reader, using the default input-buffer size.

Usage

From source file:Main.java

public static int getLineCount(String path) {
    LineNumberReader lnr = null;//from w w w .j  a  va2  s . com
    try {
        lnr = new LineNumberReader(new FileReader(new File(path)));
        lnr.skip(Long.MAX_VALUE);
    } catch (FileNotFoundException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    if (lnr == null)
        return 0;
    return lnr.getLineNumber();
}

From source file:Main.java

public static String getMac() {
    String result = "";
    try {//from   www. j a v  a  2  s  . c o  m

        Process process = Runtime.getRuntime().exec("ipconfig /all");

        InputStreamReader ir = new InputStreamReader(process.getInputStream());

        LineNumberReader input = new LineNumberReader(ir);

        String line;

        while ((line = input.readLine()) != null)

            if (line.indexOf("Physical Address") > 0) {

                String MACAddr = line.substring(line.indexOf("-") - 2);

                result = MACAddr;

            }

    } catch (java.io.IOException e) {

        System.err.println("IOException " + e.getMessage());

    }
    return result;
}

From source file:Main.java

public static String getMac() {
    String macAdress = null;/*from   www  .  j  av  a2s . c  o  m*/
    String str = "";
    try {
        Process pp = Runtime.getRuntime().exec("cat /sys/class/net/wlan0/address ");
        InputStreamReader ir = new InputStreamReader(pp.getInputStream());
        LineNumberReader input = new LineNumberReader(ir);
        for (; null != str;) {
            str = input.readLine();
            if (str != null) {
                macAdress = str.trim();
                break;
            }
        }
        ir.close();
        input.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return macAdress;
}

From source file:edu.stanford.muse.email.MboxEmailStore.java

public static void main(String args[]) throws MessagingException, IOException {
    LineNumberReader lnr = new LineNumberReader(new BufferedReader(
            new InputStreamReader(new FileInputStream("/Users/hangal/Local Folders/gmail-sent"))));
    int count = 0;
    while (true) {
        String line = lnr.readLine();
        if (line == null)
            break;
        if (line.startsWith("From "))
            count++;//from w w  w  . java  2 s  .  c om
    }
    System.out.println(count + " messages found");
}

From source file:Main.java

private static String getMacAddress() {
    String macSerial = null;//from   ww  w  .  ja  v a2 s .  co  m
    String str = "";
    try {
        Process pp = Runtime.getRuntime().exec("cat /sys/class/net/wlan0/address");
        InputStreamReader ir = new InputStreamReader(pp.getInputStream());
        LineNumberReader input = new LineNumberReader(ir);

        for (; null != str;) {
            str = input.readLine();
            if (str != null) {
                str = str.trim();
                StringBuilder sb = new StringBuilder();
                for (int i = 0; i < str.length(); i++) {
                    if (str.charAt(i) != ':') {
                        sb.append(str.charAt(i));
                    }
                }
                macSerial = sb.toString();
                break;
            }
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return macSerial;
}

From source file:Main.java

public static String getRandomNumByLine(int i) {
    File file = new File("/storage/emulated/0/uber_random");
    LineNumberReader lineNumberReader = null;
    StringBuilder builder = new StringBuilder();
    try {//from w ww  . j  av  a  2  s. c  om
        if (file.exists()) {
            lineNumberReader = new LineNumberReader(new FileReader(file));
            String tmp = null;
            while ((tmp = lineNumberReader.readLine()) != null) {
                builder.append(tmp + "\n");
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (null != lineNumberReader) {
            try {
                lineNumberReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    String fileString = builder.toString();
    Log.d("TAG", "Read num is --->" + fileString);
    String[] split = fileString.split("\\n");
    if (split != null && (split.length >= i)) {
        String value = split[i];
        Log.d("TAG", "Read sub is --->" + value);
        return value;
    }
    return null;
}

From source file:Main.java

public static String getMac() {
    String mac = null;/*ww  w.j a  v a 2 s .c  om*/
    String macSerial = null;
    String str = "";
    try {
        Process pp = Runtime.getRuntime().exec("cat /sys/class/net/wlan0/address");
        //            Process pp = Runtime.getRuntime().exec("cat /sys/class/net/eth0/address");
        InputStreamReader ir = new InputStreamReader(pp.getInputStream());
        LineNumberReader input = new LineNumberReader(ir);

        for (; null != str;) {
            str = input.readLine();
            if (str != null) {
                macSerial = str.trim();
                break;
            }
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    }

    if (macSerial != null) {
        macSerial = macSerial.replace(":", "");
        macSerial = macSerial.replace("a", "A");
        macSerial = macSerial.replace("b", "B");
        macSerial = macSerial.replace("c", "C");
        macSerial = macSerial.replace("d", "D");
        macSerial = macSerial.replace("e", "E");
        mac = macSerial.replace("f", "F");
    }

    return mac;

}

From source file:Main.java

/**
 * Reads the first non-empty line from a file.
 *
 * @param file the file from which the line is to be read. This argument
 *   cannot be {@code null}./*from  w w w  .j av  a2s.co  m*/
 * @return the first non-empty line in the given file or {@code null} if
 *   there is no such line in the specified file
 *
 * @throws IOException thrown if there was an error while reading the
 *   specified file (e.g.: it does not exist)
 */
private static String readFirstLine(Path file) throws IOException {
    try (InputStream input = Files.newInputStream(file)) {
        LineNumberReader reader = new LineNumberReader(new InputStreamReader(input, DEFAULT_CHARSET));
        String line = reader.readLine();
        while (line != null) {
            line = line.trim();
            if (!line.isEmpty()) {
                return line;
            }
            line = reader.readLine();
        }
    }

    return null;
}

From source file:Main.java

public static List<String> splitLines(String string) {
    try {/*from  w ww .j a v  a  2 s .co  m*/
        ArrayList<String> list = new ArrayList<String>();

        LineNumberReader reader = new LineNumberReader(new StringReader(string));
        String s;
        while ((s = reader.readLine()) != null) {
            list.add(s);
        }
        return list;
    } catch (IOException e) {
        // I don't think this can really happen with a StringReader.
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String getMacAddress() {
    String macAddress = null;/*from ww  w  .  j  a v a 2s  .  c  om*/
    LineNumberReader reader = null;
    try {
        Process pp = Runtime.getRuntime().exec("cat /sys/class/net/wlan0/address");
        InputStreamReader ir = new InputStreamReader(pp.getInputStream());
        reader = new LineNumberReader(ir);
        macAddress = reader.readLine().replace(":", "");
    } catch (IOException ex) {
        ex.printStackTrace();
    } finally {
        try {
            if (reader != null)
                reader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return macAddress == null ? "" : macAddress;
}