/**
* ** Decodes the specified hex-encoded argument (not yet fully tested) ** @param sb The
* StringBuffer where the decoded String argument will be placed ** @param s The String to decode
* ** @return The StringBuffer where the decoded String will be placed
*/
public static StringBuffer decodeArg(StringBuffer sb, String s) {
if (sb == null) {
sb = new StringBuffer();
}
if (s != null) {
char ch[] = new char[s.length()];
s.getChars(0, s.length(), ch, 0);
for (int i = 0; i < ch.length; i++) {
if (ch[i] == '%') {
if ((i + 2) < ch.length) {
int ch1 = StringTools.hexIndex(ch[i + 1]);
int ch2 = StringTools.hexIndex(ch[i + 2]);
sb.append((char) (((ch1 << 4) | ch2) & 0xFF));
i += 2;
} else {
i = ch.length - 1;
}
} else {
sb.append(ch[i]);
}
}
}
return sb;
}
