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 writeArrayAsHex(byte[] array, boolean packedPrint) {
    if (packedPrint) {
        return convertToHex(array);
    }//from w  w  w.  j  a  v  a  2  s . c o  m

    StringBuilder builder = new StringBuilder();
    for (byte b : array) {
        builder.append(" 0x");
        String hex = Integer.toHexString(b);
        switch (hex.length()) {
        case 1:
            builder.append('0').append(hex);
            break;
        case 2:
            builder.append(hex);
            break;
        default:
            builder.append(hex.substring(6, 8));
        }
    }

    return builder.toString();
}

From source file:com.bstore.services.test.TestMD5.java

private static String generateToken() {
    MessageDigest md;//from ww w  .  j av  a  2  s  . c o  m
    try {
        md = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        System.out.println("com.bstore.services.test.TestMD5.generateToken():" + e);
        throw new RuntimeException(e);
    }

    StringBuffer hexString = new StringBuffer();
    byte[] data = md.digest(RandomStringUtils.randomAlphabetic(10).getBytes());
    for (int i = 0; i < data.length; i++) {
        hexString.append(Integer.toHexString((data[i] >> 4) & 0x0F));
        hexString.append(Integer.toHexString(data[i] & 0x0F));
    }
    System.out.println("com.bstore.services.test.TestMD5.generateToken():: " + hexString.toString());
    return hexString.toString();
}

From source file:Main.java

/**
 * This method converts a decimal representation of an value into the corresponding
 * hex representation.//  www.j  ava  2 s . com
 * 
 * @param decimalValue the decimal presentation of anything.
 * @return a String containing the hex presentation of anything.
 */
public static String toHexOutput(int decimalValue) {
    return Integer.toHexString(decimalValue);
}

From source file:Main.java

/**
 * Returns the hexadecimal value of the supplied byte array. The resulting string always uses two
 * hexadecimals per byte. As a result, the length of the resulting string is guaranteed to be twice the
 * length of the supplied byte array./*  w ww . ja  v  a  2s.c  o  m*/
 */
public static String toHexString(byte[] array) {
    StringBuilder sb = new StringBuilder(2 * array.length);

    for (int i = 0; i < array.length; i++) {
        String hex = Integer.toHexString(array[i] & 0xff);

        if (hex.length() == 1) {
            sb.append('0');
        }

        sb.append(hex);
    }

    return sb.toString();
}

From source file:Main.java

public static String computeMD5(byte[] input) {
    try {//www.ja  v  a2  s .  c o  m
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(input, TYPE_NOT_CONNECTED, input.length);
        byte[] md5bytes = md.digest();
        StringBuffer hexString = new StringBuffer();
        for (int i = TYPE_NOT_CONNECTED; i < md5bytes.length; i += TYPE_WIFI) {
            String hex = Integer.toHexString(md5bytes[i] & MotionEventCompat.ACTION_MASK);
            if (hex.length() == TYPE_WIFI) {
                hexString.append('0');
            }
            hexString.append(hex);
        }
        return hexString.toString();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

From source file:MD5.java

public static String create(String content) throws MD5IsNotSupported {
    String result = "";
    try {/*w w w  . j a  va2 s.  c  om*/
        byte[] defaultBytes = content.getBytes();
        MessageDigest algorithm = MessageDigest.getInstance("MD5");
        algorithm.reset();
        algorithm.update(defaultBytes);
        byte messageDigest[] = algorithm.digest();

        StringBuffer hexString = new StringBuffer();
        for (int i = 0; i < messageDigest.length; i++) {
            hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
        }
        result = hexString.toString();
    } catch (NoSuchAlgorithmException ex) {
        throw new MD5IsNotSupported(ex);
    }

    assert !result.isEmpty();
    return result;
}

From source file:Main.java

/**
 * @return/*w  w  w .  j  a  va2s.  co m*/
 */
public static final String bytesToHexString(byte[] bArray) {
    StringBuffer sb = new StringBuffer(bArray.length);
    String sTemp;
    for (int i = 0; i < bArray.length; i++) {
        sTemp = Integer.toHexString(0xFF & bArray[i]);
        if (sTemp.length() < 2)
            sb.append(0);
        sb.append(sTemp.toUpperCase());
    }
    return sb.toString();
}

From source file:Main.java

private static String toHexadecimalString(byte[] value) {
    StringBuffer sb = new StringBuffer();
    int len = value.length;
    for (int i = 0; i < len; i++) {
        int num = ((int) value[i]) & 0xff;
        if (num < 0x10) {
            sb.append('0');
        }/*w w  w .j  av  a 2s .  co  m*/
        sb.append(Integer.toHexString(num));
        if (i < len - 1) {
            sb.append(':');
        }
    }
    return sb.toString().toUpperCase(Locale.US);
}

From source file:Main.java

public static String generate(String s) {
    try {//from   w  w w  . j a v  a2s .c o m
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        byte[] digest = messageDigest.digest(s.getBytes());
        StringBuilder md5 = new StringBuilder();
        for (byte value : digest) {
            md5.append(Integer.toHexString((value & 0xFF) | 0x100).substring(1, 3));
        }
        return md5.toString();
    } catch (NoSuchAlgorithmException e) {
        return null;
    }
}

From source file:Main.java

/**
 * Encode XML entities and unicode control chars
 * //from   w w  w. j  ava2s . c om
 * @param s
 *            the string to encode
 * @return the encoded string
 */
public static String encode(String s) {

    StringBuffer ret = new StringBuffer();

    for (int i = 0; i < s.length(); i++) {
        char ch = s.charAt(i);
        if (ch == '<') {
            ret.append("&lt;"); //$NON-NLS-1$
        } else if (ch == '>') {
            ret.append("&gt;"); //$NON-NLS-1$
        } else if (ch == '"') {
            ret.append("&quot;"); //$NON-NLS-1$
        } else if (ch == '\'') {
            ret.append("&apos;"); //$NON-NLS-1$
        } else if (ch == '&') {
            ret.append("&amp;"); //$NON-NLS-1$
        } else if (ch < 0x20 && ch != 0x9 && ch != 0xD && ch != 0xA) {
            ret.append((ch <= 0xf ? "\\u000" : "\\u00") //$NON-NLS-1$ //$NON-NLS-2$
                    + Integer.toHexString(ch).toUpperCase());
        } else {
            ret.append(ch);
        }
    }

    return ret.toString();
}