hmm i guess it would be easier if we just made this method protected i
think:
AbstractRequestTargetUrlCodingStrategy
private void appendValue(AppendingStringBuffer url, String key, String
value)
and this one is already protected:
protected ValueMap decodeParameters(String urlFragment, Map urlParameters)
so then you can generate your own param string by extending
SharedResourceRequestTargetUrlCodingStrategy
and override those 2 methods.
johan
On 7/2/07, Karl M. Davis <[EMAIL PROTECTED]> wrote:
Igor,
I actually did figure out a way to get this working without having to do
any (major) hacking. Pretty simple, too, once I figured it out. I just
created a new IndexedParamResourceUrlCodingStrategy class (included below)
and mounted that. For anyone else looking to do this, here is the relevant
code:
// Register the resource with the web application
app.getSharedResources().add("resourceName", customResource);
// Mount the resource
ResourceReference ref = new ResourceReference("resourceName");
app.mount(new IndexedParamResourceUrlCodingStrategy("mountUrl",
ref.getSharedResourceKey()));
That takes care of just about everything. However, right about that
point, you'll likely run into the following bug:
https://issues.apache.org/jira/browse/WICKET-631. I did have to hack
around that a bit, unfortunately. In my DynamicWebResource class, I added a
"cachedParams" ThreadLocal and cache the parameter ValueMap during
setHeaders(WebResponse) in it, because the parameters get wiped out before
getResourceState() is called. Here's the code for that in case anyone needs
it:
public class SomeResource extends DynamicWebResource
{
private static ThreadLocal<ValueMap> cachedParams;
...
/**
* @see
org.apache.wicket.markup.html.DynamicWebResource#setHeaders(org.apache.wicket.protocol.http.WebResponse)
*/
@Override
protected void setHeaders(WebResponse response)
{
super.setHeaders(response);
cachedParams.set(getParameters());
}
...
/**
* @see
org.apache.wicket.markup.html.DynamicWebResource#getResourceState()
*/
@Override
protected ResourceState getResourceState()
{
ValueMap params = cachedParams.get();
...
}
}
And voila! I now have mounted resources with pretty indexed parameters
like the following:
.../myresource/folderparam/folderparam/fileparam
I'm not sure how to go about submitting patches, but the following class
would probably help others looking to do the same out. I stole most of the
code for it wholesale from IndexedParamUrlCodingStrategy, anyways.
/**
* This class is similar to [EMAIL PROTECTED] IndexedParamUrlCodingStrategy},
but for
* [EMAIL PROTECTED] Resource}s, not bookmarkable pages.
*
* NOTE: The code for [EMAIL PROTECTED]
#appendParameters(AppendingStringBuffer, Map)} and
* [EMAIL PROTECTED] #decodeParameters(String, Map)} was copied verbatim from
* [EMAIL PROTECTED] IndexedParamUrlCodingStrategy}.
*
* @author Karl M. Davis
*/
public class IndexedParamResourceUrlCodingStrategy extends
SharedResourceRequestTargetUrlCodingStrategy
{
/**
* Constructor.
*
* @param mountPath
* the path to mount the [EMAIL PROTECTED] Resource} at
* @param resourceKey
* the key of the [EMAIL PROTECTED] Resource} (see
* [EMAIL PROTECTED]
ResourceReference#getSharedResourceKey()})
*/
public IndexedParamResourceUrlCodingStrategy(String mountPath,
String resourceKey)
{
super(mountPath, resourceKey);
}
/**
* @see
org.apache.wicket.request.target.coding.AbstractRequestTargetUrlCodingStrategy#appendParameters(org.apache.wicket.util.string.AppendingStringBuffer,
* java.util.Map)
*/
protected void appendParameters(AppendingStringBuffer url, Map
parameters)
{
int i = 0;
while (parameters.containsKey(String.valueOf(i)))
{
String value = (String)
parameters.get(String.valueOf(i));
url.append("/").append(urlEncode(value));
i++;
}
String pageMap = (String) parameters
.get(WebRequestCodingStrategy.PAGEMAP);
if (pageMap != null)
{
i++;
url.append("/").append(WebRequestCodingStrategy.PAGEMAP)
.append("/").append(urlEncode(pageMap));
}
if (i != parameters.size())
{
throw new WicketRuntimeException(
"Not all parameters were encoded. Make sure
all parameter names are integers in consecutive order starting with zero. Current
parameter names are: "
+
parameters.keySet().toString());
}
}
/**
* @see
org.apache.wicket.request.target.coding.AbstractRequestTargetUrlCodingStrategy#decodeParameters(java.lang.String,
* java.util.Map)
*/
protected ValueMap decodeParameters(String urlFragment, Map
urlParameters)
{
PageParameters params = new PageParameters();
if (urlFragment == null)
{
return params;
}
if (urlFragment.startsWith("/"))
{
urlFragment = urlFragment.substring(1);
}
String[] parts = urlFragment.split("/");
for (int i = 0; i < parts.length; i++)
{
if (WebRequestCodingStrategy.PAGEMAP.equals(parts[i]))
{
i++;
params.put(WebRequestCodingStrategy.PAGEMAP,
urlDecode(parts[i]));
}
else
{
params.put(String.valueOf(i),
urlDecode(parts[i]));
}
}
return params;
}
}
Enjoy!
Karl M. Davis
Igor Vaynberg wrote:
On 6/30/07, Karl M. Davis <[EMAIL PROTECTED]> wrote:
>
> Hey there all,
>
> I've got a DynamicWebResource that I'm mounting via
> mountSharedResource(...) and creating a ResourceLink to. That Resource
> requires parameters and I'd love for it to operate similar to how
> IndexedParamUrlCodingStrategy works, where my parameters are numbered
> and look like just an extension of the URL.
>
> For example:
> .../myresource/folderparam/folderparam/fileparam
>
> Any way to do that? I've been poking around in WebRequestCodingStrategy
>
> and it looks like I could override some of the stuff there to get
> started, but that looks hackish and rather complicated. I think that'd
> only get me halfway; that would allow me to encode the URLs but I'm
> unsure of where I'd need to decode them when the link is clicked on.
>
> I'd appreciate any pointers on this one.
right now we do not support different coding strategies for resorce
mounts, although probably we could pretty easily. please add an rfe to jira.
-igor
Thanks much in advance,
> Karl
>
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