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package org.apache.lucene.analysis.payloads;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.analysis.TokenFilter;
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import org.apache.lucene.analysis.TokenStream;
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import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
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import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
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import org.apache.lucene.index.Payload;
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import java.io.IOException;
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* Makes the {@link org.apache.lucene.analysis.Token#type()} a payload.
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* Encodes the type using {@link String#getBytes(String)} with "UTF-8" as the encoding
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public class TypeAsPayloadTokenFilter extends TokenFilter {
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private final PayloadAttribute payloadAtt = addAttribute(PayloadAttribute.class);
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private final TypeAttribute typeAtt = addAttribute(TypeAttribute.class);
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public TypeAsPayloadTokenFilter(TokenStream input) {
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public final boolean incrementToken() throws IOException {
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if (input.incrementToken()) {
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String type = typeAtt.type();
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if (type != null && type.equals("") == false) {
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payloadAtt.setPayload(new Payload(type.getBytes("UTF-8")));
b'\\ No newline at end of file'