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:Diff.java

public static void readersAsText(Reader r1, String name1, Reader r2, String name2, List diffs)
        throws IOException {
    LineNumberReader reader1 = new LineNumberReader(r1);
    LineNumberReader reader2 = new LineNumberReader(r2);
    String line1 = reader1.readLine();
    String line2 = reader2.readLine();
    while (line1 != null && line2 != null) {
        if (!line1.equals(line2)) {
            diffs.add("File \"" + name1 + "\" and file \"" + name2 + "\" differ at line "
                    + reader1.getLineNumber() + ":" + "\n" + line1 + "\n" + line2);
            break;
        }// w  ww .  ja  va  2  s  .  com
        line1 = reader1.readLine();
        line2 = reader2.readLine();
    }
    if (line1 == null && line2 != null)
        diffs.add("File \"" + name2 + "\" has extra lines at line " + reader2.getLineNumber() + ":\n" + line2);
    if (line1 != null && line2 == null)
        diffs.add("File \"" + name1 + "\" has extra lines at line " + reader1.getLineNumber() + ":\n" + line1);
}

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From source file:Main.java

public static String readFileAsStr(File file) throws IOException {
    StringBuffer sb = new StringBuffer();
    if (file == null)
        return "";
    if (!file.exists())
        return "";

    LineNumberReader lnr = null;/*  w  w w .j a va2  s  .com*/
    try {
        lnr = new LineNumberReader(new FileReader(file));

        String s = lnr.readLine();
        while (s != null) {
            sb.append(s);
            s = lnr.readLine();
        }
    } catch (java.io.IOException ioe) {
        throw ioe;
    } finally {
        if (lnr != null) {
            lnr.close();
        }
    }
    return sb.toString();
}

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From source file:Main.java

@SuppressLint("HardwareIds")
static String getPhoneMacAddress(Context context) {
    String mac = "";

    InputStreamReader inputStreamReader = null;
    LineNumberReader lineNumberReader = null;
    try {//w  ww .jav a 2 s . c  om
        @SuppressLint("WifiManagerPotentialLeak")
        WifiManager manager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo info = manager.getConnectionInfo();
        mac = info.getMacAddress();

        if (TextUtils.isEmpty(mac)) {
            Process process = Runtime.getRuntime().exec("cat /sys/class/net/wlan0/address");
            inputStreamReader = new InputStreamReader(process.getInputStream());
            lineNumberReader = new LineNumberReader(inputStreamReader);
            String line = lineNumberReader.readLine();
            if (line != null) {
                mac = line.trim();
            }
        }

    } catch (IOException ex) {
        ex.printStackTrace();
    } finally {
        if (inputStreamReader != null) {
            try {
                inputStreamReader.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        if (lineNumberReader != null) {
            try {
                lineNumberReader.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

    }

    if (TextUtils.isEmpty(mac)) {
        mac = "na";
    }

    return mac;
}

---

From source file:Main.java

static long getLineCountForFile(File file) throws IOException {
    LineNumberReader in = new LineNumberReader(new FileReader(file));
    long numLines = 0;
    while (in.readLine() != null)
        ;//from  w  ww .  j av a  2 s  . c  o  m
    numLines = in.getLineNumber();
    in.close();

    return numLines;

}

---

From source file:de.micromata.genome.util.text.StandardHeaderSplitter.java

/**
 * Split./*from   ww w  . j  ava 2 s  .  c o  m*/
 *
 * @param text the text
 * @return the pair
 * @throws IOException Signals that an I/O exception has occurred.
 */
public static Pair<String, Map<String, String>> split(String text) throws IOException {
    LineNumberReader lnr = new LineNumberReader(new StringReader(text));
    Map<String, String> headers = new HashMap<String, String>();
    String line = null;
    boolean leedingNewlines = true;
    while ((line = lnr.readLine()) != null) {
        if (StringUtils.isBlank(line)) {
            if (leedingNewlines == true) {// es kann sein, dass am Anfang die Newlines sind(wegen Code, etc)
                continue;
            } else {
                break;
            }
        }
        String key = StringUtils.substringBefore(line, ":");
        String value = StringUtils.substringAfter(line, ":");
        headers.put(StringUtils.trim(key), StringUtils.trim(value));
        leedingNewlines = false;
    }
    if (headers.size() == 0) {
        return new Pair<String, Map<String, String>>(text, headers);
    }
    return new Pair<String, Map<String, String>>(slurp(lnr), headers);
}

---

From source file:Main.java

/**
 * Loads an index (Hashtable) from a file.
 * /* w  w  w  .  j  av a2s.c o m*/
 * @param root_
 *            The file where the index is stored in.
 * @return The indextable.
 * @exception IOException
 *                If an internal error prevents the file from being read.
 */
public static Hashtable loadIndex(File root_, String name) throws IOException {
    File indexfile = new File(root_, name);
    Hashtable index = new Hashtable();
    if (indexfile.exists()) {
        LineNumberReader in = new LineNumberReader(new FileReader(indexfile));
        while (in.ready())
            index.put(in.readLine(), new Long(in.readLine()));
        in.close();
    }
    return index;
}

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From source file:eu.fbk.utils.lsa.util.Anvur.java

static List<String[]> readText(File f) throws IOException {
    logger.info("reading text: " + f + "...");
    List<String[]> list = new ArrayList<String[]>();
    //LineNumberReader lnr = new LineNumberReader(new FileReader(f));
    LineNumberReader lnr = new LineNumberReader(new InputStreamReader(new FileInputStream(f), "UTF-8"));

    String line = null;//from   www. j  a v  a2  s .co m
    int count = 1;
    while ((line = lnr.readLine()) != null) {
        String[] s = StringEscapeUtils.unescapeHtml(line).split("\t");
        list.add(s);
    } // end while

    logger.info(list.size() + " lines read from in " + f);
    lnr.close();
    return list;
}

---

From source file:eu.fbk.utils.lsa.util.AnvurDev.java

static List<String[]> readText(File f) throws IOException {
    logger.debug("reading text: " + f + "...");
    List<String[]> list = new ArrayList<String[]>();
    //LineNumberReader lnr = new LineNumberReader(new FileReader(f));
    LineNumberReader lnr = new LineNumberReader(new InputStreamReader(new FileInputStream(f), "UTF-8"));

    String line = null;/*  w  ww . jav a2s  .co  m*/
    int count = 1;
    while ((line = lnr.readLine()) != null) {
        String[] s = StringEscapeUtils.unescapeHtml(line).split("\t");
        list.add(s);
    } // end while

    logger.debug(list.size() + " lines read from in " + f);
    lnr.close();
    return list;
}

---

From source file:edu.stanford.muse.util.ThunderbirdUtils.java

private static Map<String, String> readUserPrefs(String prefsFile) throws IOException {
    // parse lines like 
    // user_pref("mail.server.server2.directory-rel", "[ProfD]Mail/Local Folders");
    // to create a map of user_pref's
    Map<String, String> map = new LinkedHashMap<String, String>();
    LineNumberReader lnr = new LineNumberReader(new InputStreamReader(new FileInputStream(prefsFile), "UTF-8"));
    while (true) {
        String line = lnr.readLine();
        if (line == null) {
            lnr.close();/* w  ww. j  a v  a2s.co m*/
            break;
        }

        line = line.trim();
        // parse the line. maybe this is better done with regexps
        String startSig = "user_pref(";
        if (line.startsWith(startSig)) {
            line = line.substring(startSig.length());
            int idx = line.indexOf(",");
            if (idx < 0)
                continue; // not expected format, bail out
            String result[] = Util.splitIntoTwo(line, ',');
            String key = result[0].trim(), value = result[1].trim();

            if (!value.endsWith(");"))
                continue; // not expected format, bail out   

            value = value.substring(0, value.length() - ");".length()); // strip out the );
            value = value.trim();

            // now remove quotes if present
            if (key.startsWith("\""))
                key = key.substring(1);
            if (value.startsWith("\""))
                value = value.substring(1);
            if (key.endsWith("\""))
                key = key.substring(0, key.length() - 1);
            if (value.endsWith("\""))
                value = value.substring(0, value.length() - 1);
            map.put(key, value);
        }
    }
    log.info(map.size() + " Thunderbird preferences read from " + prefsFile);
    return map;
}

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From source file:com.porvak.bracket.social.jdbc.versioned.SqlDatabaseChange.java

private static String readScript(Resource resource) throws IOException {
    EncodedResource encoded = resource instanceof EncodedResource ? (EncodedResource) resource
            : new EncodedResource(resource);
    LineNumberReader lnr = new LineNumberReader(encoded.getReader());
    String currentStatement = lnr.readLine();
    StringBuilder scriptBuilder = new StringBuilder();
    while (currentStatement != null) {
        if (StringUtils.hasText(currentStatement)
                && (SQL_COMMENT_PREFIX != null && !currentStatement.startsWith(SQL_COMMENT_PREFIX))) {
            if (scriptBuilder.length() > 0) {
                scriptBuilder.append('\n');
            }/*from   www .  j  av  a2 s . c o  m*/
            scriptBuilder.append(currentStatement);
        }
        currentStatement = lnr.readLine();
    }
    return scriptBuilder.toString();
}

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