Java Hex to String convertHexStr(String inStr)

Description

convert Hex Str

License

Apache License

Declaration

public static String convertHexStr(String inStr) 

Method Source Code

//package com.java2s;
/*/*from w w w. ja  v  a 2 s . c om*/
 * BJAF - Beetle J2EE Application Framework
 * ???J2EE???????????
 * ??????2003-2015 ??? (www.beetlesoft.net)
 * 
 * ??????????????????
 *<http://www.apache.org/licenses/LICENSE-2.0>
 *????????????????????????
 *
 * ???????????????????????????????
 * ??? <yuhaodong@gmail.com/>.
 */

public class Main {
    private static char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E',
            'F' };

    public static String convertHexStr(String inStr) {
        StringBuffer sb = new StringBuffer();
        char[] myBuffer = inStr.toCharArray();
        for (int i = 0; i < inStr.length(); i++) {
            short s = (short) myBuffer[i];
            String hexS = Integer.toHexString(s).toUpperCase();
            if (hexS.length() == 8) {
                sb.append("&#x" + hexS.substring(4) + ";");
            } else {
                sb.append("&#x" + hexS + ";");
            }
        }
        return sb.toString();
    }

    /**
     * Returns a hex string representation of a 8 bit integer. Very fast.
     * Returned hex values are in uppercase.
     * 
     * @param b
     *            byte to convert to hex string
     * 
     * @return hex value
     */
    public static String toHexString(int b) {
        char[] digits = new char[2];
        b = b & 255;

        digits[0] = hexDigits[b / 0x10];
        digits[1] = hexDigits[b % 0x10];

        return new String(digits);
    }
}

Related

1. convertHexString(String ss)
2. convertHexStringToString(String hexString)
3. convertHexToString(String hex)
4. formatHex(byte[] buf)