package org.apache.lucene.analysis.sinks;
/**
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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.
*/
import java.io.IOException;
import java.io.StringReader;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TeeSinkTokenFilter;
import org.apache.lucene.analysis.TokenFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.WhitespaceTokenizer;
import org.apache.lucene.analysis.TeeSinkTokenFilter.SinkTokenStream;
import org.apache.lucene.analysis.tokenattributes.TermAttribute;
import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
public class TokenTypeSinkTokenizerTest extends BaseTokenStreamTestCase {
public TokenTypeSinkTokenizerTest(String s) {
super(s);
}
public void test() throws IOException {
TokenTypeSinkFilter sinkFilter = new TokenTypeSinkFilter("D");
String test = "The quick red fox jumped over the lazy brown dogs";
TeeSinkTokenFilter ttf = new TeeSinkTokenFilter(new WordTokenFilter(new WhitespaceTokenizer(new StringReader(test))));
SinkTokenStream sink = ttf.newSinkTokenStream(sinkFilter);
boolean seenDogs = false;
TermAttribute termAtt = (TermAttribute) ttf.addAttribute(TermAttribute.class);
TypeAttribute typeAtt = (TypeAttribute) ttf.addAttribute(TypeAttribute.class);
ttf.reset();
while (ttf.incrementToken()) {
if (termAtt.term().equals("dogs")) {
seenDogs = true;
assertTrue(typeAtt.type() + " is not equal to " + "D", typeAtt.type().equals("D") == true);
} else {
assertTrue(typeAtt.type() + " is not null and it should be", typeAtt.type().equals("word"));
}
}
assertTrue(seenDogs + " does not equal: " + true, seenDogs == true);
int sinkCount = 0;
sink.reset();
while (sink.incrementToken()) {
sinkCount++;
}
assertTrue("sink Size: " + sinkCount + " is not: " + 1, sinkCount == 1);
}
private class WordTokenFilter extends TokenFilter {
private TermAttribute termAtt;
private TypeAttribute typeAtt;
private WordTokenFilter(TokenStream input) {
super(input);
termAtt = (TermAttribute) addAttribute(TermAttribute.class);
typeAtt = (TypeAttribute) addAttribute(TypeAttribute.class);
}
public final boolean incrementToken() throws IOException {
if (!input.incrementToken()) return false;
if (termAtt.term().equals("dogs")) {
typeAtt.setType("D");
}
return true;
}
}
}