[jira] [Created] (LUCENE-6833) Upgrade morfologik to version 2.0.1, simplify MorfologikFilter's dictionary lookup

["Dawid Weiss (JIRA)" <ji...@apache.org>]

Dawid Weiss created LUCENE-6833:
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             Summary: Upgrade morfologik to version 2.0.1, simplify MorfologikFilter's dictionary lookup
                 Key: LUCENE-6833
                 URL: https://issues.apache.org/jira/browse/LUCENE-6833
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Dawid Weiss
            Assignee: Dawid Weiss
            Priority: Minor
             Fix For: Trunk


This is a follow-up to Uwe's work on LUCENE-6774. 

This patch updates the code to use Morfologik stemming version 2.0.1, which removes the "automatic" lookup of classpath-relative dictionary resources in favor of an explicit InputStream or URL. So the user code is explicitly responsible to provide these resources, reacting to missing files, etc.

There were no other "default" dictionaries in Morfologik other than the Polish dictionary so I also cleaned up the filter code from a number of attributes that were, to me, confusing. 

* {{MorfologikFilterFactory}} now accepts an (optional) {{dictionary}} attribute which contains an explicit name of the dictionary resource to load. The resource is loaded with a {{ResourceLoader}} passed to the {{inform(..)}} method, so the final location depends on the resource loader.
* There is no way to load the dictionary and metadata separately (this isn't at all useful).
* If the {{dictionary}} attribute is missing, the filter loads the Polish dictionary by default (since most people would be using Morfologik for stemming Polish anyway).



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