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

/**
 * Encode a string so that it can be safely used as text in an element
 * for XML output./*w ww.jav a  2 s  . c  o m*/
 * @param text the element text body.
 * @return a string so that it can be safely used as text in an element
 *       for XML output.
 */
public static String escape(String text) {
    final StringBuffer sb = new StringBuffer();
    if (text != null) {
        char c;
        final int l = text.length();
        for (int i = 0; i < l; i++) {
            c = text.charAt(i);
            switch (c) {
            case '<':
                sb.append("&lt;");
                break;
            case '>': // only needed to avoid ]]>
                sb.append("&gt;");
                break;
            case '&':
                sb.append("&amp;");
                break;
            default:
                if (c > Byte.MAX_VALUE) {
                    sb.append("&#x");
                    sb.append(Integer.toHexString(c));
                    sb.append(';');
                } else {
                    sb.append(c);
                }
            }
        }
    }
    return sb.toString();
}

From source file:Main.java

static Object[] createThreadInfo(Thread thread, Object lock, Thread lockOwner) {

    String lockName = null;/*from w w w.  j  a  v  a2  s.com*/
    String lockOwnerName = null;

    if (lock != null) {
        lockName = lock.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(lock));
        if (lockOwner != null)
            lockOwnerName = lockOwner.getName();
    }

    return new Object[] { thread.getName(), thread.getState(), lockName, lockOwnerName };
}

From source file:Main.java

public static String hexEncode(byte[] data) {
    if (null == data) {
        return null;
    }//from   w ww .  ja v a  2 s  .co  m
    StringBuffer buffer = new StringBuffer();
    for (int i = 0; i < data.length; i++) {
        String tmp = Integer.toHexString(data[i] & 0xff);
        if (tmp.length() < 2) {
            buffer.append('0');
        }
        buffer.append(tmp);
    }
    String retStr = buffer.toString().toUpperCase();
    return retStr;
}

From source file:Main.java

private static String encodeHex(byte[] digest) {
    StringBuilder hexString = new StringBuilder();
    String hex = null;//from w ww  . jav a 2 s  .  c  o  m
    for (int i = 0; i < digest.length; i++) {
        hex = Integer.toHexString((digest[i] & 0xff));
        if (hex.length() == 1) {
            hex = '0' + hex;
        }
        hexString.append(hex);
    }
    return hexString.toString();
}

From source file:Main.java

public static BitSet int2BitSet(int value, int offset) {

    BitSet bs = new BitSet();

    String hex = Integer.toHexString(value);
    hex2BitSet(bs, hex.getBytes(), offset);

    return bs;/*from   ww w .  j  ava 2 s.c o m*/
}

From source file:Main.java

public static String toHexs(byte[] bytes, int offset, int count, String separator) {
    StringBuilder s = new StringBuilder();
    int end = offset + count;
    for (int i = offset; i < end; i++) {
        if (i > offset)
            s.append(separator);//  ww  w.  j av  a  2  s . c  o  m
        s.append(Integer.toHexString(bytes[i]));
    }
    return s.toString();
}

From source file:Main.java

public static String md5L(String input) {
    try {/*from   ww w  .j a va  2s. c o  m*/
        MessageDigest mdInst = MessageDigest.getInstance("MD5");
        mdInst.update(input.getBytes());
        byte[] md = mdInst.digest();
        StringBuilder hexString = new StringBuilder();
        for (byte aMd : md) {
            String shaHex = Integer.toHexString(aMd & 0xFF);
            if (shaHex.length() < 2) {
                hexString.append(0);
            }
            hexString.append(shaHex);
        }
        return hexString.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static String asHex(byte bytes[]) {
    if ((bytes == null) || (bytes.length == 0)) {
        return "";
    }//from  ww w. j  a  v  a2  s  . c  om

    StringBuffer sb = new StringBuffer(bytes.length * 2);

    for (int index = 0; index < bytes.length; index++) {
        int bt = bytes[index] & 0xff;

        if (bt < 0x10) {
            sb.append("0");
        }
        sb.append(Integer.toHexString(bt).toUpperCase());
    }
    return sb.toString();
}

From source file:StringUtil.java

/**
 * Convert an integer to an HTML RGB value. The result is of the form
 * #hhhhhh. The input rgb integer value will be clipped into the range 0 ~
 * 0xFFFFFF//from   w w w.j  a  va2 s.c o m
 * 
 * @param rgb
 *            the integer RGB value
 * @return the value as an HTML RGB string
 */

public static String toRgbText(int rgb) {
    // clip input value.

    if (rgb > 0xFFFFFF)
        rgb = 0xFFFFFF;
    if (rgb < 0)
        rgb = 0;

    String str = "000000" + Integer.toHexString(rgb); //$NON-NLS-1$ 
    return "#" + str.substring(str.length() - 6); //$NON-NLS-1$ 
}

From source file:Util.java

/**
 * Creates HEX String representation of supplied byte array.<br/>
 * Each byte is represented by a double character element from 00 to ff
 * //  ww w.  j av a 2 s.com
 * @param fieldData
 *            to be tringed
 * @return
 */
public static String toHexString(byte[] fieldData) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < fieldData.length; i++) {
        int v = (fieldData[i] & 0xFF);
        if (v <= 0xF) {
            sb.append("0");
        }
        sb.append(Integer.toHexString(v));
    }
    return sb.toString();
}