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Code Issues Releases Wiki Activity

New encodeHex.

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2720 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Matt Tucker 2005-08-26 16:49:25 +00:00 committed by matt
parent 29159b831c
commit 0c848916b7
1 changed files with 12 additions and 17 deletions
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29
source/org/jivesoftware/smack/util/StringUtils.java
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@ -134,7 +134,7 @@ public class StringUtils {
* @param string the string to escape. * @param string the string to escape.
* @return the string with appropriate characters escaped. * @return the string with appropriate characters escaped.
*/ */
public static final String escapeForXML(String string) { public static String escapeForXML(String string) {
if (string == null) { if (string == null) {
return null; return null;
} }
@ -217,7 +217,7 @@ public class StringUtils {
* @param data the String to compute the hash of. * @param data the String to compute the hash of.
* @return a hashed version of the passed-in String * @return a hashed version of the passed-in String
*/ */
public synchronized static final String hash(String data) { public synchronized static String hash(String data) {
if (digest == null) { if (digest == null) {
try { try {
digest = MessageDigest.getInstance("SHA-1"); digest = MessageDigest.getInstance("SHA-1");
@ -238,27 +238,22 @@ public class StringUtils {
} }
/** /**
* Turns an array of bytes into a String representing each byte as an * Encodes an array of bytes as String representation of hexadecimal.
* unsigned hex number.
* <p>
* Method by Santeri Paavolainen, Helsinki Finland 1996<br>
* (c) Santeri Paavolainen, Helsinki Finland 1996<br>
* Distributed under LGPL.
* *
* @param bytes an array of bytes to convert to a hex-string * @param bytes an array of bytes to convert to a hex string.
* @return generated hex string * @return generated hex string.
*/ */
public static final String encodeHex(byte[] bytes) { public static String encodeHex(byte[] bytes) {
StringBuffer buf = new StringBuffer(bytes.length * 2); StringBuffer hex = new StringBuffer(bytes.length * 2);
int i;
for (i = 0; i < bytes.length; i++) { for (int i=0; i<bytes.length; i++) {
if (((int) bytes[i] & 0xff) < 0x10) { if (((int) bytes[i] & 0xff) < 0x10) {
buf.append("0"); hex.append("0");
} }
buf.append(Long.toString((int) bytes[i] & 0xff, 16)); hex.append(Integer.toString((int) bytes[i] & 0xff, 16));
} }
return buf.toString();
return hex.toString();
} }
//********************************************************************* //*********************************************************************