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

private static String getTwoDigitHexString(int integer) {

    StringBuilder sb = new StringBuilder();
    sb.append(Integer.toHexString(integer));
    if (sb.length() < 2) {
        sb.insert(0, '0'); // pad with leading zero if needed
    }/*from   w  w  w . ja v  a 2 s  .  c om*/

    return sb.toString();

}

From source file:Main.java

/**
 * VLC only acccepts "-._~" in Mrl format, android Uri accepts "_-!.~'()*".
 * Therefore, encode the characters authorized by Android Uri when creating a mrl from an Uri.
 *//*from   w ww .  ja va  2  s.c  o  m*/
public static String encodeVLCString(@NonNull String mrl) {
    final char[] array = mrl.toCharArray();
    final StringBuilder sb = new StringBuilder(array.length * 2);

    for (final char c : array) {
        if (URI_AUTHORIZED_CHARS.indexOf(c) != -1)
            sb.append("%").append(Integer.toHexString(c));
        else
            sb.append(c);
    }
    return sb.toString();
}

From source file:Util.java

/**
 * Returns a hexadecimal representation of the given byte array.
 * /*from  w ww .  java2 s.  com*/
 * @param bytes the array to output to an hex string
 * @param separator the separator to use between each byte in the output
 * string. If null no char is inserted between each byte value. 
 * @return the hex representation as a string
 */
public static String asHex(byte[] bytes, String separator) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < bytes.length; i++) {
        String code = Integer.toHexString(bytes[i] & 0xFF);
        if ((bytes[i] & 0xFF) < 16) {
            sb.append('0');
        }

        sb.append(code);

        if (separator != null && i < bytes.length - 1) {
            sb.append(separator);
        }
    }

    return sb.toString();
}

From source file:it.gualtierotesta.gdocx.GFactory.java

/**
 * Convert java.awt.Color in hex string code (RRGGBB)
 *
 * @param color the color to be converted
 * @return a string with color hex code//  w w w  . j  a  v  a 2s  . c om
 */
public static String color2hex(@Nonnull final Color color) {

    Validate.notNull(color, "Color not valid");

    final String rgb = Integer.toHexString(color.getRGB());
    return rgb.substring(2, rgb.length());
}

From source file:Main.java

/** Calculates the MD5 hash of a given string 
 * @author Tom V. http://m2tec.be/blog/2010/02/03/java-md5-hex-0093 
 * @param stringToBeHashed the string to be hashed 
 * @return the MD5 hash as a string /*from   w  ww.j  a v  a 2 s .  c o m*/
 * @throws NoSuchAlgorithmException */
public static String stringToMD5(String stringToBeHashed) throws NoSuchAlgorithmException {
    MessageDigest messageDigest = MessageDigest.getInstance("MD5");
    StringBuffer md5Hash = new StringBuffer();
    byte[] array = messageDigest.digest(stringToBeHashed.getBytes());

    for (int i = 0; i < array.length; i++) {
        md5Hash.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3));
    }

    return md5Hash.toString();
}

From source file:com.pfarrell.crypto.HmacUtil.java

/**
 * toHexes the given bytes array, and returns it.
 * @param buf input byte buffer//  w  ww  .j ava2s  .  c  o  m
 * @return  hexified result
 */
public static String hexify(byte[] buf) {
    Preconditions.checkNotNull(buf);
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < buf.length; i++) {
        Byte b = new Byte(buf[i]);
        String s = Integer.toHexString(b.intValue());
        if (s.length() == 1)
            s = "0" + s;
        if (s.length() > 2)
            s = s.substring(s.length() - 2);
        sb.append(s);
    }
    return sb.toString();
}

From source file:StringUtils.java

/**
 * Given an array of bytes it will convert the bytes to a hex string
 * representation of the bytes/*from w  w w.j  av  a 2 s  .  c  om*/
 * @param bytes
 * @return hex string representation of the byte array
 */
public static String byteToHexString(byte bytes[]) {
    StringBuffer retString = new StringBuffer();
    for (int i = 0; i < bytes.length; ++i) {
        retString.append(Integer.toHexString(0x0100 + (bytes[i] & 0x00FF)).substring(1));
    }
    return retString.toString();
}

From source file:it.cilea.osd.jdyna.utils.HashUtil.java

public static String hashMD5(String passw) {
    String passwHash = "";
    try {//from w w w  .  ja v  a 2 s.c  o m
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(passw.getBytes());
        byte[] result = md.digest();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < result.length; i++) {
            String tmpStr = "0" + Integer.toHexString((0xff & result[i]));
            sb.append(tmpStr.substring(tmpStr.length() - 2));
        }
        passwHash = sb.toString();
    } catch (NoSuchAlgorithmException ecc) {
        log.error("Errore algoritmo " + ecc);
    }
    return passwHash;
}

From source file:com.eschava.forevernote.EvernoteUtil.java

public static String getHash(Resource resource) {
    Data data = resource.getData();
    byte[] hash = data.getBodyHash();
    StringBuilder builder = new StringBuilder();
    for (byte b : hash) {
        String hex = Integer.toHexString(b < 0 ? 256 + b : b);
        if (hex.length() < 2)
            builder.append('0');
        builder.append(hex);//from w w  w .j a v  a 2  s .c o m
    }
    return builder.toString();
}

From source file:Util.java

/**
 * Convert a number to a zero padded hex string
 * /* w w w  .ja v a  2 s .com*/
 * @param int number
 * @return zero padded hex string
 * @throws IllegalArgumentException
 *             if number takes up more characters than <code>size</code>
 */
public static String numberToPaddedHexString(int number, int size) {
    String s = Integer.toHexString(number);

    if (s.length() > size) {
        throw new IllegalArgumentException("Number too big for padded hex string");
    }

    StringBuffer buf = new StringBuffer();

    for (int i = 0; i < (size - s.length()); i++) {
        buf.append('0');
    }

    buf.append(s);

    return buf.toString();
}