|
Lucene example source code file (SimpleHTMLFormatter.java)
The Lucene SimpleHTMLFormatter.java source codepackage org.apache.lucene.search.highlight; /** * 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. */ /** * Simple {@link Formatter} implementation to highlight terms with a pre and * post tag. */ public class SimpleHTMLFormatter implements Formatter { private static final String DEFAULT_PRE_TAG = "<B>"; private static final String DEFAULT_POST_TAG = "</B>"; private String preTag; private String postTag; public SimpleHTMLFormatter(String preTag, String postTag) { this.preTag = preTag; this.postTag = postTag; } /** Default constructor uses HTML: <B> tags to markup terms. */ public SimpleHTMLFormatter() { this(DEFAULT_PRE_TAG, DEFAULT_POST_TAG); } /* (non-Javadoc) * @see org.apache.lucene.search.highlight.Formatter#highlightTerm(java.lang.String, org.apache.lucene.search.highlight.TokenGroup) */ public String highlightTerm(String originalText, TokenGroup tokenGroup) { if (tokenGroup.getTotalScore() <= 0) { return originalText; } // Allocate StringBuilder with the right number of characters from the // beginning, to avoid char[] allocations in the middle of appends. StringBuilder returnBuffer = new StringBuilder(preTag.length() + originalText.length() + postTag.length()); returnBuffer.append(preTag); returnBuffer.append(originalText); returnBuffer.append(postTag); return returnBuffer.toString(); } } Other Lucene examples (source code examples)Here is a short list of links related to this Lucene SimpleHTMLFormatter.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.