/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/java/org/sakaiproject/search/index/impl/StandardAnalyzerFactory.java $
* $Id: StandardAnalyzerFactory.java 105078 2012-02-24 23:00:38Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.search.index.impl;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.util.Version;
import org.sakaiproject.search.index.AnalyzerFactory;
/**
* @author ieb
*/
public class StandardAnalyzerFactory implements AnalyzerFactory
{
private static final Log log = LogFactory.getLog(SnowballAnalyzerFactory.class);
private static String[] stopWords = null;
static
{
try
{
ArrayList<String> al = new ArrayList<String>();
BufferedReader br = new BufferedReader(
new InputStreamReader(
SnowballAnalyzerFactory.class
.getResourceAsStream("/org/sakaiproject/search/component/bundle/stopwords.txt")));
for (String line = br.readLine(); line != null; line = br.readLine())
{
al.add(line.trim());
}
br.close();
stopWords = al.toArray(new String[0]);
}
catch (Exception ex)
{
log.error("Failed to load Stop words into Analyzer", ex);
}
}
public Analyzer newAnalyzer()
{
List<String> words = Arrays.asList(stopWords);
Set<String> wordSet = new HashSet<String>(words);
return new StandardAnalyzer(Version.LUCENE_29, wordSet);
}
}