Netscape ENTERPRISE SERVER 6.0 - PROGRAMMER GUIDE TO SERVLETS Programmer's Manual page 23

auto
The name of the hidden field in the form that specifies the
form-hint-field
encoding. The default is j_encoding.
If a servlet uses the
ServletRequest.getParameter
form fields having non-UTF-8 characters, the
default). Otherwise, the values extracted by the
are undefined. For more information see "ServletRequest.getParameter," on
page 75.
The attribute setting applies to how a servlet processes parameters after the
enc
Enterprise Server receives a request. The URI that is sent to the server must consist
of only the standard ASCII set, especially if the request method is GET. All other
characters must be encoded.
For example, to encode a backslash, you would replace the backslash with a
followed by the hexadecimal number corresponding to the backslash in the ASCII
character set, . Therefore,
5c
For more information, read section 2.2 of the following document from the URI
working group of the Internet Engineering Task Force:
http://www.ietf.org/rfc/rfc1738.txt
(Default) Tries to figure out the proper encoding
from, in order, 1) the charset if it is set in the
Content-Type header, 2) the
parameterEncoding attribute (see
"ServletRequest.setAttribute," on page 75
then 3) a hidden form field defined in
form-hint-field. Otherwise, the system
default encoding is used. Set this option to prevent
misinterpretation of non-ASCII characters in
servlet parameters.
When this property is set to auto, the server has to
convert native characters into a java byte array
before transforming them into the requested
encoding. Therefore, performance is slightly better
for none or a specific encoding.
enc
getParameter
becomes
vw\xyz vw%5cxyz
The web-apps.xml File and Virtual Servers
method to retrieve values in
attribute must be set to
method are zeros or
.
Chapter 2 Web Applications
),
(the
auto
%
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