[jira] Resolved: (SOLR-260) reusable PluginLoader -- helper class to load plugins

["Ryan McKinley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan McKinley resolved SOLR-260.
--------------------------------

    Resolution: Fixed
      Assignee: Ryan McKinley

should have been resolved a while ago.

> reusable PluginLoader -- helper class to load plugins
> -----------------------------------------------------
>
>                 Key: SOLR-260
>                 URL: https://issues.apache.org/jira/browse/SOLR-260
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Ryan McKinley
>            Assignee: Ryan McKinley
>         Attachments: SOLR-260-PluginLoader.patch, SOLR-260-PluginLoader.patch
>
>
> As we talk about adding more configuration (Handlers, Highlighting, Components, etc) we should standardize the format and share the loading and initialization code.
> This patch extracts the common stuff from SOLR-225 and makes it work with the RequestHandler framework.
> This is an abstract base class -- each implementation needs to take care of actually creating and initializing the instances:
> abstract class PluginLoader<T>
> {
>   abstract public T create( String className, NamedList args, Map<String,String> params );
>  
>   abstract public void init( T plugin, NamedList args, Map<String,String> params );
>   
>   public Map<String,T> load( NodeList nodes )
>   {
>     ...
>   }
> }

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