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https://issues.apache.org/jira/browse/TAPESTRY-2486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623430#action_12623430
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Howard M. Lewis Ship commented on TAPESTRY-2486:
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I think, ultimately, this will be addressed by adding an override() method to
MappedConfiguration.
Since all the binding factories have the same interface, we would have to
inject them by service id (like PropBindingFactory) or introduce marker
annotations for them. That still leaves us a little hard up to find a way to
override the service (since it will be referenced by service id, or by marker
interface), though you could decorate the original service.
> Make MessageBindingFactory,ComponentBindingFactory ... IOC-Services
> --------------------------------------------------------------------
>
> Key: TAPESTRY-2486
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2486
> Project: Tapestry
> Issue Type: Improvement
> Components: tapestry-core
> Affects Versions: 5.0.13
> Reporter: Fritz Pröbstle
>
> My actual problem:
> I would like to replace BindingConstants.MESSAGE with my own implemention.
> This is currently not possible because MessageBindingFactory is not IOC
> Service. ( I could decorateComponentMessageSsource etc. but this is not
> enough for me, because i need access to the ComponentResources )
> General Solution :
> Make MessageBindingFactory a IOC service then I could override with
> contributeAliasOverrides(...)
> This may also make sence for other objects , which are currently instatiated
> with "new" in TapestryModule.java
> http://tapestry.apache.org/tapestry5/tapestry-ioc/overview.html says:
> "The problem with new is that it rigidly connects one implementation to
> another implementation. Let's follow a progression that reflects how a lot of
> projects get written. It will show that in the real world, new is not as
> simple as it first seems." :)
> Another soultion:
> Allow MappedConfiguration.add to overwrite serviceId's ( with warning ).
> -------------------------------------- instantiotion of MessageBindingFactory
> with "new" -----------------------------
> public static void contributeBindingSource(MappedConfiguration<String,
> BindingFactory> configuration,
>
> @InjectService("PropBindingFactory")
> BindingFactory
> propBindingFactory,
> ObjectLocator locator)
> {
> configuration.add(BindingConstants.LITERAL, new
> LiteralBindingFactory());
> configuration.add(BindingConstants.PROP, propBindingFactory);
> configuration.add(BindingConstants.COMPONENT, new
> ComponentBindingFactory());
> configuration.add(BindingConstants.MESSAGE, new
> MessageBindingFactory());
> configuration.add(BindingConstants.VALIDATE,
> locator.autobuild(ValidateBindingFactory.class));
> configuration.add(BindingConstants.TRANSLATE,
> locator.autobuild(TranslateBindingFactory.class));
> configuration.add(BindingConstants.BLOCK, new BlockBindingFactory());
> configuration.add(BindingConstants.ASSET,
> locator.autobuild(AssetBindingFactory.class));
> configuration.add(BindingConstants.VAR, new
> RenderVariableBindingFactory());
> configuration.add(BindingConstants.NULLFIELDSTRATEGY,
>
> locator.autobuild(NullFieldStrategyBindingFactory.class));
> }
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