[jira] Reopened: (FELIX-1957) Make Web Console compatible with OSGi/Minimum-1.0 EE

["Valentin Valchev (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-1957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Valentin Valchev reopened FELIX-1957:
-------------------------------------


The latest changes to the webconsole makes it again incompatible with the OSGi/Minimum EE:

- UUID used in ConfigurationRender is missing in OSGi/Minimum-1.2
- Collections.list(Enumeration) used in ComponentsServlet & ComponentConfigurationPrinter is not support by OSGi/Minimum-1.1. Although it is added in OSGi/Minimum-1.2, it's better for wider compatibility to replace this method with own. Simple implementation is given below:
class WebConsoleUtil {
 ....
     /**
     * This method is the same as Collections#list(Enumeration). The reason to duplicate it here,
     * is that it is missing in OSGi/Minimum execution environment.
     * 
     * @param e the enumeration which to convert
     * @return the list containing all enumeration entries.
     */
    public static final ArrayList list( Enumeration e )
    {
        ArrayList l = new ArrayList();
        while ( e.hasMoreElements() )
            l.add( e.nextElement() );
        return l;
    }

}

- Locale.Locale( String ) constructor is not available in OSGi/Minimum-1.1 (though available in OSGi/Minimum-1.2). However, for better compatibility we should use another approach.
So instead of:
DEFAULT_LOCALE = new Locale( "" )

it can be
DEFAULT_LOCALE = Locale.getDefault();

or even better (since our default language translation is English):
DEFAULT_LOCALE = Locale().ENGLISH


> Make Web Console compatible with OSGi/Minimum-1.0 EE
> ----------------------------------------------------
>
>                 Key: FELIX-1957
>                 URL: https://issues.apache.org/jira/browse/FELIX-1957
>             Project: Felix
>          Issue Type: New Feature
>          Components: Web Console
>    Affects Versions: webconsole-2.0.4
>            Reporter: Valentin Valchev
>            Assignee: Felix Meschberger
>             Fix For: webconsole-2.0.6
>
>         Attachments: mathes-patch.patch
>
>
> Currently the Web Console requires some methods that are JDK 1.4+ specific.
> In some embedded JVM the methods are not available. 
> However, it's not needed to sync with each embedded JVM but make sure to run at least at OSGi/Minimum-1.0 Execution Environment.
> The problem methods are:
> String.matches(pattern);   (LicenseServlet & BundlesServlet)
> String.replaceAll();              (ConfigurationRender)
> String.split();                        (BundleRepositoryRender)
> The class LinkedHashMap is missing in OSGi/Minimum-1.0 EE but used in the ConfigurationListener.

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