I have a requirement to retain the curly brackets from properties file in my rendered JSP code. Is it possible?
I have tried options like: \\{
, '{
, {{
, '{'
, /{
, but no help.
At runtime, I get an exception:
java.lang.IllegalArgumentException: can't parse argument number
The problem is that struts processes the {}
as a placeholder for a runtime value. Any help greatly appreciated.
see here http://struts.apache.org/2.x/docs/how-to-escape-special-chars-in-resource-bundles.html
use '{'
and '}'
to escape.
Just re-read your question looks like it didn't help.
I jumped to this problem just 10 minutes ago. This is my try: put '{' instead of '{'. (Reference: http://www.asciitable.com/ )
Don't use Oct or Hex code since Java will parse these numbers into { before actually reading the key; therefore, it will lead to the same problem. Only HTML code will work, since Java will not parse it, but the JSP page will
From the MessageFormat spec: http://download.oracle.com/javase/1.4.2/docs/api/java/text/MessageFormat.html
Within a String, "''" represents a single quote. A QuotedString can contain arbitrary characters except single quotes; the surrounding single quotes are removed. An UnquotedString can contain arbitrary characters except single quotes and left curly brackets. Thus, a string that should result in the formatted message "'{0}'" can be written as "'''{'0}''" or "'''{0}'''".
which means you should probably try to quite your curly braces like this '''{'
.
Since single quote '
is always doubled by struts
before it arrives into MessageFormat
, you can not produce '''{'
as suggested by @Mihai Toader . Or any other odd-numbered count of them required by MessageFormat
I have ended up using parameters with value {
and }
my.property = You have ${0}count{1} unread messages
If you supply parameter values {
and }
, you get this
You have ${count} unread messages
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