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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAMEL-5986) Property placeholders do not work for CDI injection
Date Sun, 26 May 2013 12:10:21 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-5986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Claus Ibsen updated CAMEL-5986:
-------------------------------

    Fix Version/s: Future
    
> Property placeholders do not work for CDI injection
> ---------------------------------------------------
>
>                 Key: CAMEL-5986
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5986
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-cdi
>    Affects Versions: 2.11.1
>            Reporter: Karim de Fombelle
>             Fix For: Future
>
>         Attachments: apache-deltaspike.properties, stacktrace.txt
>
>
> Camel-CDI offers a mechanism to resolve property placeholders like  {{{{property1}}}}
in an endpoint URI as described in camel [documentation|http://camel.apache.org/using-propertyplaceholder.html]
> These placeholders could come from ConfigSource loaded via the deltaspike configuration
CDI extension and its ConfigResolver class according comments on class _org.apache.camel.cdi.component.properties.CdiPropertiesParser_
> Anyway this choice is surprising because the documentation of the _org.apache.deltaspike.core.api.config.PropertyFileConfig_
specifies the following:
> {code}
>  *  <p>Please note that the configuration will only be available
>  *  after the boot is finished. This means that you cannot use
>  *  this configuration inside a CDI Extension before the boot
>  *  is finished!</p>
> {code}
> camel-cdi maven module contains a test class _org.apache.camel.cdi.component.properties.PropertiesComponentTest_
which IMHO does not illustrate the real use we would need in a CDI container.
> It shows placeholders replaced after the boot of the CDI container, which is inline with
the javadoc above but probably not really useful.
> {code}
> context.resolvePropertyPlaceholders("{{directEndpoint}}_{{directEndpoint}}");
> {code}
> But from my standpoint the real benefit would be to use such a feature as follows:
> {code}
> @RunWith(Arquillian.class)
> @ApplicationScoped
> public class CamelCdiCamel5986Test {
>     @Inject
>     @Mock("mock:{{property1}}")
>     private MockEndpoint mockEndpoint;
>     @Deployment
>     public static Archive<?> createDeployment() {
>         JavaArchive jar = ShrinkWrap.create(JavaArchive.class)
>                         .addClass(TestRouteBuilder.class)
>                         .addClass(CdiConfigFile.class)
>                         .addAsResource("META-INF/camel.properties")//according CdiConfigFile
>                         .addPackages(true, ConfigurationExtension.class.getPackage())
>                         .addPackages(true, CdiCamelContext.class.getPackage())
>                         .addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
>         return jar;
>     }
>     //test crashes with a org.jboss.weld.exceptions.DeploymentException (...) Could not
add Routes: [Route[[From[direct:begin]] -> [To[mock:{{property1}}]]]]
>     @Test
>     public void testConfiguration() {
>         assertNotNull("mockEndpoint is null", mockEndpoint);
>     }
>     @ContextName
>     public static class TestRouteBuilder extends RouteBuilder {
>         @Override
>         public void configure() throws Exception {
>             from("direct:begin").to("mock:{{property1}}");
>         }
>     }
>     /**
>      * Copy of class from camel-cdi test class org.apache.camel.cdi.support.CdiConfigFile
>      */
>     public static class CdiConfigFile implements PropertyFileConfig {
>         private static final long serialVersionUID = 1L;
>         @Override
>         public String getPropertyFileName() {
>             return "META-INF/camel.properties";
>         }
>     }
> }
> {code}
> But the test crashes failing to resolve the placeholder {{{{property1}}}} with the complete
stack stack attached.
> Obviously I have a camel.properties file in my classpath, but it is ignored.
> Just adding the attached META-INF/apache-deltaspike.properties file in the classpath
makes the test green.

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