use of org.apache.wicket.request.resource.MetaInfStaticResourceReference in project wicket by apache.
the class BasicResourceReferenceMapper method mapHandler.
@Override
public Url mapHandler(IRequestHandler requestHandler) {
if (requestHandler instanceof ResourceReferenceRequestHandler) {
ResourceReferenceRequestHandler referenceRequestHandler = (ResourceReferenceRequestHandler) requestHandler;
ResourceReference reference = referenceRequestHandler.getResourceReference();
Url url;
while (reference instanceof ResourceBundleReference) {
// unwrap the bundle to render the url for the actual reference
reference = ((ResourceBundleReference) reference).getBundleReference();
}
if (reference instanceof MetaInfStaticResourceReference) {
url = ((MetaInfStaticResourceReference) reference).mapHandler(referenceRequestHandler);
// if running on Servlet 3.0 engine url is not null
if (url != null) {
return url;
}
// otherwise it has to be served by the standard wicket way
}
if (reference.canBeRegistered()) {
ResourceReferenceRegistry resourceReferenceRegistry = getContext().getResourceReferenceRegistry();
resourceReferenceRegistry.registerResourceReference(reference);
}
url = new Url();
List<String> segments = url.getSegments();
segments.add(getContext().getNamespace());
segments.add(getContext().getResourceIdentifier());
segments.add(getClassName(reference.getScope()));
// setup resource parameters
PageParameters parameters = new PageParameters(referenceRequestHandler.getPageParameters());
// need to remove indexed parameters otherwise the URL won't be able to decode
parameters.clearIndexed();
ResourceUtil.encodeResourceReferenceAttributes(url, reference);
StringTokenizer tokens = new StringTokenizer(reference.getName(), "/");
while (tokens.hasMoreTokens()) {
String token = tokens.nextToken();
// on the last component of the resource path
if (tokens.hasMoreTokens() == false && Strings.isEmpty(token) == false) {
final IResource resource = reference.getResource();
// is resource supposed to be cached?
if (resource instanceof IStaticCacheableResource) {
final IStaticCacheableResource cacheable = (IStaticCacheableResource) resource;
// is caching enabled?
if (cacheable.isCachingEnabled()) {
// apply caching scheme to resource url
final ResourceUrl resourceUrl = new ResourceUrl(token, parameters);
getCachingStrategy().decorateUrl(resourceUrl, cacheable);
token = resourceUrl.getFileName();
Checks.notEmpty(token, "Caching strategy returned empty name for '%s'", resource);
}
}
}
segments.add(token);
}
if (parameters.isEmpty() == false) {
url = encodePageParameters(url, parameters, pageParametersEncoder);
}
return url;
}
return null;
}
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