package org.apache.lucene.analysis.payloads;
/**
* 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 org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.core.WhitespaceTokenizer;
import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
import java.io.IOException;
import java.io.StringReader;
public class TypeAsPayloadTokenFilterTest extends BaseTokenStreamTestCase {
public TypeAsPayloadTokenFilterTest(String s) {
super(s);
}
public void test() throws IOException {
String test = "The quick red fox jumped over the lazy brown dogs";
TypeAsPayloadTokenFilter nptf = new TypeAsPayloadTokenFilter(new WordTokenFilter(new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader(test))));
int count = 0;
CharTermAttribute termAtt = nptf.getAttribute(CharTermAttribute.class);
TypeAttribute typeAtt = nptf.getAttribute(TypeAttribute.class);
PayloadAttribute payloadAtt = nptf.getAttribute(PayloadAttribute.class);
while (nptf.incrementToken()) {
assertTrue(typeAtt.type() + " is not null and it should be", typeAtt.type().equals(String.valueOf(Character.toUpperCase(termAtt.buffer()[0]))));
assertTrue("nextToken.getPayload() is null and it shouldn't be", payloadAtt.getPayload() != null);
String type = new String(payloadAtt.getPayload().getData(), "UTF-8");
assertTrue(type + " is not equal to " + typeAtt.type(), type.equals(typeAtt.type()) == true);
count++;
}
assertTrue(count + " does not equal: " + 10, count == 10);
}
private final class WordTokenFilter extends TokenFilter {
private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
private final TypeAttribute typeAtt = addAttribute(TypeAttribute.class);
private WordTokenFilter(TokenStream input) {
super(input);
}
@Override
public boolean incrementToken() throws IOException {
if (input.incrementToken()) {
typeAtt.setType(String.valueOf(Character.toUpperCase(termAtt.buffer()[0])));
return true;
} else {
return false;
}
}
}
}