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https://issues.apache.org/jira/browse/SOLR-225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12509721
 ] 

Ryan McKinley commented on SOLR-225:
------------------------------------


> perhaps be defined as
> 
> protected boolean emptyArray(String[] arr) {
>     return (arr == null || arr.length == 0 || 
>                  (arr.length == 1 && (arr[0] == null || 
> arr[0].trim().length() == 0)));
> }

seems good.  This patch tried not to change any highlighting logic, it is just 
moved it from the existing HighlightingUtils.java

I will add this change.


> 
> +  public static final String MAX_CHARS   = PREFIX+"maxAnalyzedChars";
> 
> similarly.  Seems somewhat inelegant to define/hardcode the plugin-specific 
> parameters here, though it is nice ot have them all in one place...
> 

I'm torn on what is more/less elegant.  

Should we have a new class in o.a.s.common.params for each plugin?  

Since the number of 'core' plugins will be relatively small, having a single 
HighlightParams class with sections for the core plugin options seems ok.  But 
I can easily be talked out of this...


> Allow pluggable Highlighting classes -- Formatters and Fragmenters
> ------------------------------------------------------------------
>
>                 Key: SOLR-225
>                 URL: https://issues.apache.org/jira/browse/SOLR-225
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Brian Whitman
>            Assignee: Ryan McKinley
>         Attachments: SOLR-225+260-HighlightPlugins.patch, 
> SOLR-225+260-HighlightPlugins.patch, SOLR-225-HighlightingConfig.patch, 
> SOLR-225-HighlightingConfig.patch, SOLR-225-HighlightingConfig.patch, 
> SOLR-225-HighlightingConfig.patch, SOLR-225-HighlightingConfig.patch
>
>
> Highlighting should support a pluggable architecture similar to what is seen 
> with RequestHandlers, Fields, FieldTypes, etc
> '
> For more background:
> http://www.nabble.com/Custom-fragmenter-tf3681588.html#a10289335

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