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, int radix) throws NumberFormatException

Source Link

Document

Parses the string argument as a signed long in the radix specified by the second argument.

Usage

From source file:Main.java

public static long ConvertMacToLong(String mac) {
    mac = mac.replace(":", "");
    long id = Long.parseLong(mac, 16);
    return id;/*www  .  j av a 2 s.  com*/
}

From source file:Main.java

public static String hexToRgb(int color) {
    int c = (int) Long.parseLong(color + "", 16);
    String r = ((c >> 16) & 0xFF) + "";
    String g = ((c >> 8) & 0xFF) + "";
    String b = ((c >> 0) & 0xFF) + "";

    return r + g + b;
}

From source file:Main.java

public static long parseIntHex(String data) {
    long value = Long.parseLong(data, 16);
    if (value > 0x7FFFFFFF) {
        value -= 0x100000000L;/*www .ja v  a 2s  . c o  m*/
    }
    return value;
}

From source file:Main.java

public static long parseShortHex(String data) {
    long value = Long.parseLong(data, 16);
    if (value > 0x7FFF) {
        value -= 0x10000;/*from w  ww  . j a v  a2s .c o m*/
    }
    return value;
}

From source file:Main.java

public static long parseInt5CharHex(String data) {
    long value = Long.parseLong(data, 16);
    if (value > 0x7FFFF) {
        value -= 0x100000L;//from  ww w . j av a  2s. c  o  m
    }
    return value;
}

From source file:Main.java

public static double String2AmountFloat(String str) {
    try {/*from   ww w.  j  a v a2 s .c  om*/
        String tempStr = NumberFormat.getNumberInstance().format(Long.parseLong(str, 10)).replace(",", "");
        return Long.parseLong(tempStr) / 100.00;
    } catch (Exception e) {
        e.printStackTrace();
        return 0.00;
    }
}

From source file:Main.java

public static long String2AmountFloat4QPOS(String str) {
    try {/*from   w  ww . j  av a  2  s . com*/
        String tempStr = NumberFormat.getNumberInstance().format(Long.parseLong(str, 10)).replace(",", "");
        return Long.parseLong(tempStr);
    } catch (Exception e) {
        e.printStackTrace();
        return 0;
    }
}

From source file:Main.java

public static int argb(String hexColorCode) {
    if (hexColorCode.startsWith("#"))
        hexColorCode = hexColorCode.substring(1);
    return (int) Long.parseLong(hexColorCode, 16);
}

From source file:Main.java

public static Long getLongAttr(final Node node, String attrName) {
    final String val = getAttr(node, attrName);
    return val == null ? null : Long.parseLong(val, 10);
}

From source file:Main.java

private static boolean isHexadecimalColor(String colorString) {
    try {// ww w.java  2 s. c o m
        Long.parseLong(colorString.substring(1), 16);
        return true;
    } catch (NumberFormatException e) {
        return false;
    }
}