[jboss-jira] [JBoss JIRA] Updated: (JBSEAM-421) Update to Seam i18n to support DatabaseResourceBundle

[Todd Smart (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-421?page=all ]

Todd Smart updated JBSEAM-421:
------------------------------

    Attachment: extras.zip

When considering this JIRA, you may find it useful to see it working with an example external resource type ... in this case, a DB-driven resource bundle.

Here are some sample classes, a seam.properites file, and a DDL for a simple resource table.

Of particular interest would be the DatabaseResourceBundle class (http://sadun-util.sourceforge.net/api/org/sadun/util/DatabaseResourceBundle.html) .  I've made some simple updates to make the class 'seam-enabled'.

> Update to Seam i18n to support DatabaseResourceBundle
> -----------------------------------------------------
>
>                 Key: JBSEAM-421
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-421
>             Project: JBoss Seam
>          Issue Type: Feature Request
>          Components: Core
>    Affects Versions: 1.1
>            Reporter: Todd Smart
>             Fix For: 1.1
>
>         Attachments: extras.zip, ResourceBundle.java, ResourceBundle.java
>
>
> The current Seam i18n ResourceBundle class only supports loading java.util.ResourceBundle resource bundles.  For ref, the loadBundle() method is:
> {code}
>    private void loadBundle() 
>    {
>       try
>       {
>          bundle = java.util.ResourceBundle.getBundle( 
>                bundleName, 
>                Locale.instance(), 
>                Thread.currentThread().getContextClassLoader() 
>             );
>          log.debug("loaded resource bundle: " + bundleName);
>       }
>       catch (MissingResourceException mre)
>       {
>          log.debug("resource bundle missing: " + bundleName);
>       }
>    }
> {code}
> I've updated the org.seam.core.ResourceBundle class to plug into the org.sadun.util.DatabaseResourceBundle ... providing for a very flexible, db-driven i18n system.
> The only change required (for the prototype code!) to get this to work was an update to the Seam ResourceBundle was:
> {code}
>     private void loadBundle() {
>         try {
>             DatabaseResourceBundle databaseResourceBundle = new DatabaseResourceBundle(jdbcUrl, bundleName, Locale.instance());
>             bundle = databaseResourceBundle;
>             log.debug("loaded resource bundle: " + bundleName);
>         } catch (MissingResourceException mre) {
>             log.debug("resource bundle missing: " + bundleName);
>         }
>     }
> {code}
> Beyond the prototype, of course, this will be cleaned up.  I'm thinking others may benefit from updating this Seam class to allow for supporting other types of resource bundle repositories.
> Feature Request:
> ------------------------
> 1) Add an attribute to ResourceBundle called: resourceType (thus allowing a class to be called to load a bundle).  This attribute would be configured in seam.properties.
> 2) Update the loadBundle() method such that if resourceType is not null, to get an instance of ResourceType.instance() followed by a call to resourceType.loadBundle() method
> I don't mind contributing the code ... just testing the waters first.
> Regards,
> Todd Smart
> todd.smart at smartbinary.com

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