Hi Philippe,
We had this problem too. I don't know if this is the best solution, but
I defined a LinkRenderer which removes the state info from the link.
public class CleanLinkRenderer
extends DefaultLinkRenderer
{
static final Pattern STATE = Pattern.compile("[\\?&]state:.*=.*&?");
@Override
protected String constructURL(ILinkComponent component,
IRequestCycle cycle)
{
String link = super.constructURL(component, cycle);
return removeState(link);
}
static String removeState(String link)
{
Matcher matcher = STATE.matcher(link);
if (!matcher.find())
{
return link;
}
link = link.substring(0, matcher.start()) +
link.substring(matcher.end());
link = StringUtils.chomp(link, "&");
link = StringUtils.chomp(link, "?");
return link;
}
}
Just add renderer="ognl:getCleanRenderer()" to the link and the state is
gone.
Best wishes
John
-----Original Message-----
From: news [mailto:[EMAIL PROTECTED] On Behalf Of Philippe Joly
Sent: Friday, December 16, 2005 9:27 AM
To: [email protected]
Subject: Tapestry 4 b13 : ExternalLink and state properties
Hello,
I am using an ExternalLink to make a true HTTP redirection after a POST
.
It is possible to add parameters to the external link, and it works
fine.
But tapestry always add automatically a serialized page object as a
state
properties and that can explode the URL size limit (very little using
links :
GET form submit).
I just want to use 3 parameters, WITHOUT any state properties, how to
remove
them from the link ?
The link generated :
http://localhost:8080/MyApplication/app?page=MyPage&service=external
&sp=PARAM1
&sp=PARAM2
&sp=PARAM3
&state:APageClass=ZH4sIAAAAA...(very long)
The link I want :
http://localhost:8080/MyApplication/app?page=MyPage&service=external
&sp=PARAM1
&sp=PARAM2
&sp=PARAM3
Second question :
I have maybe found a workaround (change the LinkFactory of the
ExternalService),
but I need to access to the ExternalService object, and I can't !
In page.java : public abstract IEngineService getExternalService();
In page.page : <inject property="externalService" type="object"
object="engine-service:external"/>
At runtime, getExternalService() NEVER returns an ExternalService
object, but a
EngineServiceOuterProxy !
Any idea ?
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