Example usage for java.lang Character digit

Introduction

In this page you can find the example usage for java.lang Character digit.

Prototype

public static int digit(int codePoint, int radix)

Source Link

Document

Returns the numeric value of the specified character (Unicode code point) in the specified radix.

Usage

From source file:Main.java

/**
 * Converts a hex string to a byte array.
 *///from www .j a v  a2 s  .c om
public static byte[] convertToByteArray(String s) {
    int len = s.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }
    return data;
}

From source file:Main.java

public static byte[] hexStringToByteArray(String s) {
    if (s != null && !s.equals("")) {
        int len = s.length();
        byte[] data = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
                    + Character.digit(s.charAt(i + 1), 16));
        }//  w  ww  .j  a v a2s.  c o m
        return data;
    }
    return null;

}

From source file:Main.java

public static byte[] hexStringToByte(String hex) {
    int len = (hex.length() / 2);
    byte[] result = new byte[len];
    hex = hex.toLowerCase();/* w  w  w.  j  av  a 2 s.co  m*/
    int k = 0;
    for (int i = 0; i < result.length; i++) {
        byte high = (byte) (Character.digit(hex.charAt(k), 16) & 0xff);
        byte low = (byte) (Character.digit(hex.charAt(k + 1), 16) & 0xff);
        result[i] = (byte) (high << 4 | low);
        k += 2;

    }
    return result;
}

From source file:Main.java

public static byte[] toByteArray(String s) {
    // s guaranteed valid by caller.
    int len = s.length();
    byte[] bytes = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        bytes[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }//w  w  w .ja v a  2s .  c om
    return bytes;
}

From source file:Main.java

public static byte[] convertHexToBytes(String hexString) {
    if (hexString == null) {
        return null;
    }/*from  w  w w.  ja v a2  s.c o  m*/
    int len = hexString.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4)
                + Character.digit(hexString.charAt(i + 1), 16));
    }
    return data;
}

From source file:Main.java

public static byte[] hexToBytes(String hex) {
    if (hex == null) {
        return null;
    }/*from w w  w. j  a v  a 2  s  . c o  m*/
    int len = hex.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(hex.charAt(i), 16) << 4)
                + Character.digit(hex.charAt(i + 1), 16));
    }
    return data;
}

From source file:Main.java

public static byte[] hexStringToByteArray(String paramString) {
    int j = paramString.length();
    byte[] arrayOfByte = new byte[j / 2];
    int i = 0;/*from  w ww. j a v a 2  s .  c o m*/
    for (;;) {
        if (i >= j) {
            return arrayOfByte;
        }
        arrayOfByte[(i / 2)] = ((byte) ((Character.digit(paramString.charAt(i), 16) << 4)
                + Character.digit(paramString.charAt(i + 1), 16)));
        i += 2;
    }
}

From source file:Main.java

public static byte[] hexStringToByteArray(final String byteString) {
    String value = byteString.replaceAll("[^A-Za-z0-9]", "");
    int len = value.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(value.charAt(i), 16) << 4)
                + Character.digit(value.charAt(i + 1), 16));
    }//from w  ww .  ja  v a2  s  .  co  m
    return data;
}

From source file:Main.java

public static byte[] hexToBytes(String hexString) {
    int len = hexString.length();
    byte[] array = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        array[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4)
                + Character.digit(hexString.charAt(i + 1), 16));
    }//  w  w w . ja  va2 s.  c o m
    return array;
}

From source file:Main.java

public static byte[] hexStringToBytes(String s) {
    if (s == null || s.length() == 0)
        return null;
    int len = s.length();
    if (len % 2 != 0) {
        s = '0' + s;
        len++;/*  w ww.  jav  a 2s .c  o  m*/
    }
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }
    return data;
}