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 final String bytesToHexString(byte[] bArray) {
    StringBuffer sb = new StringBuffer(bArray.length);

    for (int i = 0; i < bArray.length; i++) {
        String sTemp = Integer.toHexString(0xFF & bArray[i]);
        if (sTemp.length() < 2) {
            sb.append(0);//from  w  ww.j  a va  2 s.c om
        }
        sb.append(sTemp.toUpperCase(Locale.US));
    }
    return sb.toString();
}

From source file:Main.java

private static String getMD5(byte[] source) {
    try {/*  w w  w  .j  a v  a2  s.  c o m*/
        MessageDigest md5 = MessageDigest.getInstance("MD5");
        StringBuffer result = new StringBuffer();
        for (byte b : md5.digest(source)) {
            result.append(Integer.toHexString((b & 0xf0) >>> 4));
            result.append(Integer.toHexString(b & 0x0f));
        }
        return result.toString();
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:Main.java

/**
 * Gets a hex string from byte array.//from ww w  .  ja v a2  s  . c om
 * 
 * @param res
 *            the byte array
 * @return the hex string representing the binary values in the array
 */
public static final String toHexString(byte[] res) {
    StringBuffer buf = new StringBuffer(res.length << 1);

    for (int ii = 0; ii < res.length; ii++) {
        String digit = Integer.toHexString(0xFF & res[ii]);

        if (digit.length() == 1) {
            digit = '0' + digit;
        }

        buf.append(digit);
    }
    return buf.toString().toUpperCase();
}

From source file:Main.java

public static String paddedByteString(byte b) {
    int extended = (b | 0x100) & 0x1ff;
    return Integer.toHexString(extended).toUpperCase().substring(1);
}

From source file:HTML.java

/**
 * Utility method to format a color to HTML RGB color format (e.g. #FF0000 for Color.red).
 * @param color The color.//from ww  w .  j a v a  2  s.c o  m
 * @return the HTML RGB color string.
 */
public static final String format(Color c) {
    String r = (c.getRed() < 16) ? "0" + Integer.toHexString(c.getRed()) : Integer.toHexString(c.getRed());
    String g = (c.getGreen() < 16) ? "0" + Integer.toHexString(c.getGreen())
            : Integer.toHexString(c.getGreen());
    String b = (c.getBlue() < 16) ? "0" + Integer.toHexString(c.getBlue()) : Integer.toHexString(c.getBlue());
    return "#" + r + g + b;
}

From source file:SHA1Sum.java

private static String hexChr(int b) {
    return Integer.toHexString(b & 0xF);
}

From source file:jp.co.nemuzuka.utils.BinaryHexConverter.java

/**
 * byte??16???/*from w w  w  .  j a  va2  s  .c om*/
 * @param fromByte ?Byte?
 * @return 16???(?byte??null???null)
 */
public static String bytesToHexString(byte[] fromByte) {

    if (fromByte == null) {
        return null;
    }

    StringBuilder hexStrBuilder = new StringBuilder();

    for (int i = 0; i < fromByte.length; i++) {
        // 16?1??????2?0??
        if ((fromByte[i] & 0xff) < 0x10) {
            hexStrBuilder.append("0");
        }
        hexStrBuilder.append(Integer.toHexString(0xff & fromByte[i]).toUpperCase());
    }
    return hexStrBuilder.toString();
}

From source file:fm.last.util.StringUtils.java

/**
 * Escapes the unicode in the given string.
 * /*  w w w  .ja  va2s  .  c  o  m*/
 * @param input The input string.
 * @param escapeAscii Whether to escape ASCII or not.
 * @return The escaped string.
 */
public static String escapeUnicodeString(final String input, final boolean escapeAscii) {
    StringBuffer returnValue = new StringBuffer("");
    for (int i = 0; i < input.length(); i++) {
        char ch = input.charAt(i);
        if (!escapeAscii && ((ch >= 0x0020) && (ch <= 0x007e))) {
            returnValue.append(ch);
        } else {
            returnValue.append("\\u");

            String hex = Integer.toHexString(input.charAt(i) & 0xFFFF);
            if (hex.length() == 2) {
                returnValue.append("00");
            }
            returnValue.append(hex.toUpperCase());
        }
    }
    return returnValue.toString();
}

From source file:Main.java

public static String byte2Hex(byte[] b) {
    StringBuilder hs = new StringBuilder(b.length);
    String stmp = "";
    int len = b.length;
    for (int n = 0; n < len; n++) {
        stmp = Integer.toHexString(b[n] & 0xFF);
        if (stmp.length() == 1)
            hs = hs.append("0").append(stmp);
        else/*from w ww  .j av  a  2 s .co  m*/
            hs = hs.append(stmp);
    }
    return String.valueOf(hs);
}

From source file:MessageDigestUtil.java

/**
 * byte[]?16??????????/* w  w w  . j  av a2  s  .  c o  m*/
 * 
 * @param buf
 * @return
 */
public static String toHexString(byte[] buf) {
    String digestText = "";
    for (int i = 0; i < buf.length; i++) {
        int n = buf[i] & 0xff;
        if (n < 16) {
            digestText += "0";
        }
        digestText += Integer.toHexString(n).toUpperCase();
    }
    return digestText;
}