package org.apache.lucene.analysis.miscellaneous;
import java.io.Reader;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.lucene.analysis.*;
import org.apache.lucene.analysis.core.SimpleAnalyzer;
import org.apache.lucene.analysis.core.WhitespaceAnalyzer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.util.IOUtils;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-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.
*/
public class TestPerFieldAnalyzerWrapper extends BaseTokenStreamTestCase {
public void testPerField() throws Exception {
String text = "Qwerty";
Map<String, Analyzer> analyzerPerField = new HashMap<String, Analyzer>();
analyzerPerField.put("special", new SimpleAnalyzer(TEST_VERSION_CURRENT));
PerFieldAnalyzerWrapper analyzer =
new PerFieldAnalyzerWrapper(new WhitespaceAnalyzer(TEST_VERSION_CURRENT), analyzerPerField);
TokenStream tokenStream = analyzer.tokenStream("field", text);
try {
CharTermAttribute termAtt = tokenStream.getAttribute(CharTermAttribute.class);
tokenStream.reset();
assertTrue(tokenStream.incrementToken());
assertEquals("WhitespaceAnalyzer does not lowercase",
"Qwerty",
termAtt.toString());
assertFalse(tokenStream.incrementToken());
tokenStream.end();
} finally {
IOUtils.closeWhileHandlingException(tokenStream);
}
tokenStream = analyzer.tokenStream("special", text);
try {
CharTermAttribute termAtt = tokenStream.getAttribute(CharTermAttribute.class);
tokenStream.reset();
assertTrue(tokenStream.incrementToken());
assertEquals("SimpleAnalyzer lowercases",
"qwerty",
termAtt.toString());
assertFalse(tokenStream.incrementToken());
tokenStream.end();
} finally {
IOUtils.closeWhileHandlingException(tokenStream);
}
}
public void testCharFilters() throws Exception {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
return new TokenStreamComponents(new MockTokenizer(reader));
}
@Override
protected Reader initReader(String fieldName, Reader reader) {
return new MockCharFilter(reader, 7);
}
};
assertAnalyzesTo(a, "ab",
new String[] { "aab" },
new int[] { 0 },
new int[] { 2 }
);
// now wrap in PFAW
PerFieldAnalyzerWrapper p = new PerFieldAnalyzerWrapper(a, Collections.<String,Analyzer>emptyMap());
assertAnalyzesTo(p, "ab",
new String[] { "aab" },
new int[] { 0 },
new int[] { 2 }
);
}
}