Example usage for java.lang Integer toHexString

Introduction

In this page you can find the example usage for java.lang Integer toHexString.

Prototype

public static String toHexString(int i)

Source Link

Document

Returns a string representation of the integer argument as an unsigned integer in base 16.

Usage

From source file:Main.java

public static String getMD5(String str) {
    MessageDigest messageDigest = null;
    try {/* www  .  j a  va 2 s .  c  o  m*/
        messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.reset();
        messageDigest.update(str.getBytes("UTF-8"));
    } catch (NoSuchAlgorithmException e) {
    } catch (UnsupportedEncodingException e) {
    }
    byte[] byteArray = messageDigest.digest();
    StringBuffer md5StrBuff = new StringBuffer();
    for (int i = 0; i < byteArray.length; i++) {
        if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) {
            md5StrBuff.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
        } else {
            md5StrBuff.append(Integer.toHexString(0xFF & byteArray[i]));
        }
    }
    return md5StrBuff.substring(8, 24).toString();
}

From source file:Unicode2ASCII.java

public static String toJAVA(String unicode) {
    String tc = unicode;//from   w  w  w.j a  va 2  s. c  o m
    String output = "";
    char[] ca = tc.toCharArray();
    for (int i = 0; i < ca.length; ++i) {
        char a = ca[i];
        if ((int) a > 255) {
            output += "\\u" + Integer.toHexString((int) a);
        } else {
            output += a;
        }
    }
    return output;
}

From source file:Unicode2ASCII.java

public static String toJAVA(String unicode) {
    String output = "";

    char[] charArray = unicode.toCharArray();

    for (int i = 0; i < charArray.length; ++i) {
        char a = charArray[i];
        if ((int) a > 255) {
            output += "\\u" + Integer.toHexString((int) a);
        } else {//from   w w w.j av a2  s .co  m
            output += a;
        }
    }

    return output;
}

From source file:Main.java

public static String md5s(String plainText) {
    String str = "";
    try {/*from  w  ww  .j a v a  2  s .  com*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(plainText.getBytes());
        byte b[] = md.digest();
        int i;
        StringBuffer buf = new StringBuffer("");
        for (int offset = 0; offset < b.length; offset++) {
            i = b[offset];
            if (i < 0)
                i += 256;
            if (i < 16)
                buf.append("0");
            buf.append(Integer.toHexString(i));
        }
        str = buf.toString();

    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block   
        e.printStackTrace();
    }
    return str;
}

From source file:edu.rit.flick.genetics.util.HexPrinter.java

public static String shortToHexString(final short s) {
    return leftPad(Integer.toHexString(s), 4, '0');
}

From source file:Main.java

public static int get_crc16(byte[] bufData, int buflen, byte[] pcrc) {
    int ret = 0;//from   w  w  w  .  j a v a  2  s .c  o  m
    int CRC = 0x0000ffff;
    int POLYNOMIAL = 0x0000a001;
    int i, j;

    if (buflen == 0) {
        return ret;
    }
    for (i = 0; i < buflen; i++) {
        CRC ^= ((int) bufData[i] & 0x000000ff);
        for (j = 0; j < 8; j++) {
            if ((CRC & 0x00000001) != 0) {
                CRC >>= 1;
                CRC ^= POLYNOMIAL;
            } else {
                CRC >>= 1;
            }
        }
        // System.out.println(Integer.toHexString(CRC));
    }

    System.out.println(Integer.toHexString(CRC));
    pcrc[0] = (byte) (CRC & 0x00ff);
    pcrc[1] = (byte) (CRC >> 8);

    return ret;
}

From source file:Main.java

/**
 * Convert decimalism to other./*from   w  w  w .j  a v  a2s .c  o  m*/
 * @param decimal Value in decimalism.
 * @param radix Which system to convert. (Only 2, 8, 16)
 */
public static String toBits(int decimal, int radix) {
    String num;
    switch (radix) {
    case 2:
        num = "00000000000000000000000000000000" + Integer.toBinaryString(decimal);
        return "0b" + num.substring(num.length() - 32);
    case 8:
        num = "00000000000" + Integer.toOctalString(decimal);
        return "0" + num.substring(num.length() - 11);
    case 16:
        num = "00000000" + Integer.toHexString(decimal);
        return "0x" + num.substring(num.length() - 8);
    default:
        return UNKNOWN;
    }
}

From source file:Main.java

/**
 * Format a value as int into a hexadecimal string with a length.
 * //from  ww  w .  jav  a2  s.c o  m
 * @param value
 *            the value to convert
 * @param len
 *            the length of the string
 * @return
 */
public static String format(int value, int len) {
    String result = Integer.toHexString(value);
    int length = result.length();
    // Test if value is negative => FFFF in front of
    for (int i = 0; i < len - length; i++) {
        result = "0" + result;
    }
    if (len < length) {
        result = result.substring(length - len);
    }
    return result.toUpperCase();
}

From source file:Main.java

/**
 * Get the port for mesh usage(For mesh require port hex uppercase).
 * /* w  ww .  j  a v a2 s  .  co m*/
 * @param port the port
 * @return the port for mesh usage
 */
public static String getPortForMesh(int port) {
    String portHexUppercase = Integer.toHexString(port).toUpperCase(Locale.US);
    int numberOfZero = 4 - portHexUppercase.length();
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < numberOfZero; i++) {
        sb.append("0");
    }
    sb.append(portHexUppercase);
    return sb.toString();
}

From source file:Main.java

public static String MD5(String string) {
    byte[] hash;//w w  w .ja va2  s.c  o m
    try {
        hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
        return null;
    }
    StringBuilder hex = new StringBuilder(hash.length * 2);
    for (byte b : hash) {
        if ((b & 0xFF) < 0x10)
            hex.append("0");
        hex.append(Integer.toHexString(b & 0xFF));
    }
    return hex.toString();
}