[daisy] [JIRA] Created: (DSY-467) Support language specific Analyzer (for example DutchAnalyzer) and fall back on StandardAnalyzer

[Geoffrey De Smet (JIRA)]

Support language specific Analyzer (for example DutchAnalyzer) and fall back on StandardAnalyzer
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         Key: DSY-467
         URL: http://issues.cocoondev.org//browse/DSY-467
     Project: Daisy
        Type: Feature Wish
  Components: Querying and indexing (repository)  
    Versions: 2.0.1    
 Reporter: Geoffrey De Smet


In this file:
  http://svn.cocoondev.org/repos/daisy/tags/RELEASE_2_0_0/daisy/repository/server/src/java/org/outerj/daisy/ftindex/FullTextIndexImpl.java

we find this code:
    private IndexWriter constructIndexWriter() throws IOException {
        return new IndexWriter(indexDirectory, new StandardAnalyzer());
    }

which says that lucene uses StandardAnalyzer, however when we insert words like "werken", "gewerkt" and search for "werkte", it doesn't find it.
The solution is to use a DutchAnalyzer instead.

A solution might be: ask the language code of the daisy branch,
then check if there's a Analyzer for that (for example "nl" => DutchAnalyzer)
and do a fall back on StandardAnalyzer if it doesn't exist.

Problem is that the current FullTextIndexImpl probably uses a singleton analyzer, independ of in which branch scope it's processed.


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