Decorating will probably work, but you can also construct the service from
within your contributing method:
public static void contributeServiceOverride(MappedConfiguration<Class, Object>
configuration, @ContextProvider AssetFactory contextAssetFactory,
ComponentClassResolver componentClassResolver)
{
configuration.add(PageTemplateLocator.class, new
PageTemplateLocatorFileSystemImpl(contextAssetFactory.getRootResource(),
componentClassResolver));
}
On Thu, 06 May 2010 00:11:51 +0200, MauricioF <mauricio.fara...@ioko.com> wrote:
Mmmmm, overriding makes T5 throw an exception
Caused by: org.apache.tapestry5.ioc.internal.OperationException: Service
interface org.apache.tapestry5.internal.services.PageTemplateLocator is
matched by 2 services: PageTemplateLocator, PageTemplateLocatorFileBased.
Automatic dependency resolution requires that exactly one service implement
the interface.
What I´ve done:
In my module
@ServiceId("TemplateFileSystem")
public static PageTemplateLocator
buildPageTemplateLocatorFileBased(@ContextProvider
AssetFactory contextAssetFactory,
ComponentClassResolver componentClassResolver)
{
return new
PageTemplateLocatorFileSystemImpl(contextAssetFactory.getRootResource(),
componentClassResolver);
}
public ComponentTemplateSource
buildComponentTemplateSource(TemplateParser parser,
@InjectService("TemplateFileSystem") PageTemplateLocator locator,
ClasspathURLConverter classpathURLConverter)
{
ComponentTemplateSourceImpl service = new
ComponentTemplateSourceImpl(parser, locator, classpathURLConverter);
return service;
}
As you can see it doe not matter if I add the serviceId and then inject the
service by name!
The problem is that the one which is throwing the exception is in
org.apache.tapestry5.internal.services.InternalModule (which I cannot
modify)
So in this case I cannot override?
An alternative can be decorate the service (ignoring whatever it does and my
small bits of logic
to return a resouce based in the FileSystem) but I´d rather do it using
overriding.
Thanks!
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