I need that to be in the url so it can be captured by Google Analytics.
Alexey Hanin wrote:
>
> Don't have an opportunity to check this but as I know Tapestry treats
> empty parameters as nulls. Just curious, why do you want empty
> parameter in query string? Conceptually, parameters not being set
> makes it null.
>
> On Mon, Nov 9, 2009 at 3:50 PM, Angelo Chen <angelochen...@yahoo.com.hk>
> wrote:
>>
>> Hi,
>> Thanks for the reply, but it does not work, still same error, i check the
>> LinkImpl:
>>
>> public void addParameter(String parameterName, String value)
>> {
>> Defense.notBlank(parameterName, "parameterName");
>> Defense.notBlank(value, "value");
>>
>> if (parameters == null)
>> parameters = CollectionFactory.newMap();
>>
>> parameters.put(parameterName, value);
>> }
>>
>> it is making sure the value is not blank, but I believe query string
>> having
>> blank value is often.
>>
>>
>> Alexey Hanin wrote:
>>>
>>> Just make it empty string when it's null:
>>>
>>> lnk.addParameter("country", country == null ? "" : country);
>>>
>>> On Mon, Nov 9, 2009 at 3:24 PM, Angelo Chen <angelochen...@yahoo.com.hk>
>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have a query string that I need to append to a Link object, the
>>>> query
>>>> string is:
>>>>
>>>> ?gender=M&country=
>>>>
>>>> I got two questions:
>>>>
>>>> 1) is there a simple way to append this string to a Link object instead
>>>> of
>>>> using addParameter?
>>>>
>>>> 2) if I do a lnk.addParameter("country", null) and I got following:
>>>>
>>>> RequestExceptionHandler Unexpected runtime exception: Parameter value
>>>> was
>>>> null or contained only whitespace.
>>>>
>>>> and I need to make the country part of query string even it is null,
>>>> any
>>>> idea? thanks,
>>>>
>>>> A.C.
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>>>>
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>>>
>>
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