Custom JSP taglib lets you convert symbols into hexadecimal strings. For example:
Tags are:
Hex
Body tag converts body's characters into hexadecimal values. Parameters are:
1) id Optional parameter. Describes a name for your page scope variable with converted data.
Without this parameter tag just prints data.
2) data Optional parameter. Describes your data as a byte array.
for downloading:
Library: hextag.jar Description: taglib.tld
See also Coldtags suite - the largest collection of custom JSP tags.