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From "Neeme Praks (JIRA)" <j...@apache.org>
Subject [jira] Commented: (TAP5-223) Allow properties files (on classpath or in the context) to be used as SymbolProviders
Date Fri, 09 Oct 2009 08:05:31 GMT

    [ https://issues.apache.org/jira/browse/TAP5-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763900#action_12763900
] 

Neeme Praks commented on TAP5-223:
----------------------------------

some code from my side:

{code:java}
   public static void contributeSymbolSource(
      OrderedConfiguration<SymbolProvider> configuration,
            @ApplicationDefaults
            SymbolProvider applicationDefaults,
            @FactoryDefaults
            SymbolProvider factoryDefaults,
            @InjectService("Context") Context context) 
    {
     
     configuration.add("ZpsSymbols",
       new ContextResourceSymbolProvider(context, "WEB-INF/conf/zps-web.properties"));
    }
{code}

Gives error:
Caused by: java.lang.RuntimeException: Exception constructing service 'Context': The constructor
for module class org.apache.tapestry5.services.Tapest
ryModule is recursive: it depends on itself in some way. The constructor, public org.apache.tapestry5.services.TapestryModule(org.apache.tapestry5.ioc
.services.PipelineBuilder,org.apache.tapestry5.ioc.services.PropertyShadowBuilder,org.apache.tapestry5.services.RequestGlobals,org.apache.tapestry5.se
rvices.ApplicationGlobals,org.apache.tapestry5.ioc.services.ChainBuilder,org.apache.tapestry5.services.Environment,org.apache.tapestry5.ioc.services.S
trategyBuilder,org.apache.tapestry5.ioc.services.PropertyAccess,org.apache.tapestry5.services.Request,org.apache.tapestry5.services.Response,org.apach
e.tapestry5.services.EnvironmentalShadowBuilder,org.apache.tapestry5.internal.services.EndOfRequestEventHub),
is in some way is triggering a service b
uilder, decorator or contribution method within the class.

And in this case, the context is null:
{code:java}
   public static void contributeSymbolSource(
     OrderedConfiguration<SymbolProvider> configuration,
           @ApplicationDefaults
           SymbolProvider applicationDefaults,
           @FactoryDefaults
           SymbolProvider factoryDefaults,
           @InjectService("ApplicationGlobals") ApplicationGlobals globals) 
   {
    
    configuration.add("ZpsSymbols",
      new ContextResourceSymbolProvider(globals.getContext(), "WEB-INF/conf/zps-web.properties"));
   }
{code}

Any other ideas are highly appreciated.


> Allow properties files (on classpath or in the context) to be used as SymbolProviders
> -------------------------------------------------------------------------------------
>
>                 Key: TAP5-223
>                 URL: https://issues.apache.org/jira/browse/TAP5-223
>             Project: Tapestry 5
>          Issue Type: New Feature
>          Components: tapestry-ioc
>    Affects Versions: 5.0.15
>            Reporter: Neeme Praks
>            Assignee: Howard M. Lewis Ship
>            Priority: Minor
>             Fix For: 5.1.0.5
>
>         Attachments: PropertiesFileSymbolProvider.patch.txt, TAP5-223.txt
>
>
> add a possibility to resolve symbols from properties file (PropertiesFileSymbolProvider).
> For reference, see:
> http://thread.gmane.org/gmane.comp.java.tapestry.user/65656

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