Make ClassNameLocatorImpl resolve resources from URLs that use a client-defined
protocol
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Key: TAPESTRY-2519
URL: https://issues.apache.org/jira/browse/TAPESTRY-2519
Project: Tapestry
Issue Type: Improvement
Affects Versions: 5.0.14
Reporter: Igor Drobiazko
Assignee: Igor Drobiazko
ClassNameLocatorImpl is only able to resolve resources from URLs that use a
protocol which is native to the Java class library (file, jar, http, etc). In
OSGi environment all the URLs use the protocol "bundleresource" or
"bundleentry". Here is an example:
bundleresource://5642/org/apache/tapestry5/corelib/pages/
A very simple solution is to create your own ClassNameLocator and contribute it
to AliasOverrides. Well, this solution is bad because it requires a copy of the
ClassNameLocatorImpl.
A better solution would be to make ClassNameLocatorImpl use a service called
URLConverter or similar.
public interface URLConverter
{
URL convert(URL url);
}
Tapestry would provide a default implementation of the interface:
public class URLConverterImpl implements URLConverter
{
public URL convert(URL url)
{
return url;
}
}
In an OSGi environment (in my case Equinox) one could override this service by
using e.g Eclipse Core API. This approach is much easier then overriding of the
ClassNameLocator.
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