Example usage for java.lang Long parseLong

Introduction

In this page you can find the example usage for java.lang Long parseLong.

Prototype

public static long parseLong(String s) throws NumberFormatException

Source Link

Document

Parses the string argument as a signed decimal long .

Usage

From source file:Main.java

public static boolean isNumber(String string) {
    try {//from   w  w  w . j  av a2 s .c  o m
        Long.parseLong(string);
    } catch (Exception e) {
        return false;
    }
    return true;
}

From source file:Main.java

public static long getPid() {
    RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
    String[] mxNameTable = mx.getName().split("@"); //$NON-NLS-1$
    if (mxNameTable.length == 2) {
        return Long.parseLong(mxNameTable[0]);
    } else {/* w w w  .  j  ava  2s .  c o m*/
        return Thread.currentThread().getId();
    }
}

From source file:Main.java

public static String getDateFromName(String fName) {
    if (fName == null)
        return fName;
    String name = extractDateFromFName(fName);

    // output as time or date
    CharSequence df;// w w w  .  ja v a2 s.  c  o  m
    long millis = Long.parseLong(name);
    if (DateUtils.isToday(millis)) {
        df = "'today' hh:mmaa";
    } else {
        df = "dd MMM hh:mmaa";
    }
    return (String) DateFormat.format(df, millis);
}

From source file:Main.java

public static long contentLongGet(Element e, long defaultLong) {
    if (e == null) {
        return defaultLong;
    } else {/*from w w w  .  j  a  v a 2 s  .  c o m*/
        String text = e.getTextContent();
        return Long.parseLong(text);
    }
}

From source file:Main.java

public static String formattedDate(String timestamp) {
    return _df.format(new Date(Long.parseLong(timestamp) * 1000L));
}

From source file:Main.java

public static Set<Long> getLongValues(String[] parameterValues, String message) {
    Set<Long> ids = null;
    if (parameterValues != null && parameterValues.length > 0) {
        ids = new HashSet<>();
        for (String parameter : parameterValues) {
            try {
                Long id = Long.parseLong(parameter);
                if (id > 0) {
                    ids.add(Long.parseLong(parameter));
                }//from  ww w.  j  a  v  a 2  s .  c o  m
            } catch (NumberFormatException e) {
                throw new IllegalArgumentException(message);
            }
        }
    }
    return ids;
}

From source file:Main.java

/**
 *
 * @param document//  w  w  w.  j a v a  2  s.  c o m
 * @param tagName
 * @return
 */
public static long getTagValueAsLong(Document document, String tagName) {
    long tagValue = -1;

    String tempVal = getTagValueAsString(document, tagName);
    tagValue = Long.parseLong(tempVal);

    return tagValue;
}

From source file:Main.java

/**
 * Parse an long from the given string, falling back to the provided number in case of failure.
 * @param number String containing the long to be parsed.
 * @param fallback Number to return if parsing fails.
 * @return Either the parsed number or the fallback.
 *//*from   w  w w  .  java2s .com*/
public static long safeParseLong(String number, long fallback) {
    try {
        return Long.parseLong(number);
    } catch (NumberFormatException nfe) {
        return fallback;
    }
}

From source file:Main.java

public static String timestempToString(String time) {
    return FORMAT.format(new Date(Long.parseLong(time) * 1000));
}

From source file:Main.java

public static String calculateSize(String value) {

    long bytes = Long.parseLong(value);

    int unit = 1024;
    if (bytes < unit)
        return bytes + " B";
    int exp = (int) (Math.log(bytes) / Math.log(unit));
    String pre = "KMGTPE".charAt(exp - 1) + "i";

    return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre).replace(",", ".");

}