honeymoose
/
OpenSearch
mirror of https://github.com/honeymoose/OpenSearch.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Analysis: Add language setting to lowercase filter, supporting greek and turkish, closes #1503.

This commit is contained in:
Shay Banon 2011-11-27 13:39:05 +02:00
parent a1a856e4b9
commit 32f1edf6f7
1 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
modules/elasticsearch/src/main/java/org/elasticsearch/index/analysis/LowerCaseTokenFilterFactory.java
View File

@ -21,6 +21,9 @@ package org.elasticsearch.index.analysis;
import org.apache.lucene.analysis.LowerCaseFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.el.GreekLowerCaseFilter;
import org.apache.lucene.analysis.tr.TurkishLowerCaseFilter;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.inject.assistedinject.Assisted;
import org.elasticsearch.common.settings.Settings;
@ -32,12 +35,23 @@ import org.elasticsearch.index.settings.IndexSettings;
*/
public class LowerCaseTokenFilterFactory extends AbstractTokenFilterFactory {
private final String lang;
@Inject public LowerCaseTokenFilterFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
this.lang = settings.get("language", null);
}
@Override public TokenStream create(TokenStream tokenStream) {
return new LowerCaseFilter(version, tokenStream);
if (lang == null) {
return new LowerCaseFilter(version, tokenStream);
} else if (lang.equalsIgnoreCase("greek")) {
return new GreekLowerCaseFilter(version, tokenStream);
} else if (lang.equalsIgnoreCase("turkish")) {
return new TurkishLowerCaseFilter(tokenStream);
} else {
throw new ElasticSearchIllegalArgumentException("language [" + lang + "] not support for lower case");
}
}
}