Strangely, I've never hit this one before, but yes, the ValueParser does
consider that values can be string lists, with the coma as the default
string delimiter.
I guess it can be useful in some contexts, but I'm not sure that someone
parsing one's form results would expect this behavior where the presence
of a coma in some string is user-dependant.
The tools configuration does rely on this behavior (so that you can have
<data key="my_strings" value="foo,bar"/>), but it could use a
specifically configured instance to do so. So we can change or inhibit
the default string separator.
Claude
On 22/08/2017 03:00, Christopher Schultz wrote:
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All,
I'm not sure if I've used ValueParser.getStrings before (really,
ParameterParser.getStrings, in this case), but I'm surprised by what
is happening. Is this expected?
Request POST parameters:
foo=bar&comment=This, is a comment.
Velocity template code:
#set($comments = $parameterParser.getStrings('comment'))
#if(0 < $comments.size())
#foreach($comment in $comments)
<div class="comment">
<textarea name="comment"
placeholder="$msg.label.optional_comments">#htmlEscape($comment)</textar
ea>
</div>
#end## foreach
#end## if(comments)
I would expect this to produce a single <textarea> element with the
text "This, is a comment." in the text area. Instead, I get two
<textarea> elements, one containing "This" and the other containing
"is a comment.".
That seems ... crazy to me. I'm sure I can just change:
#set($comments = $parameterParser.getStrings('comment'))
to
#set($comments = $request.getParameterValues('comment'))
... but I figured that ParameterParser would do the same thing, no?
- -chris
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