package org.apache.lucene.demo; /* * 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. */ import java.nio.file.Paths; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.analysis.standard.StandardAnalyzer; import org.apache.lucene.document.Document; import org.apache.lucene.index.DirectoryReader; import org.apache.lucene.index.IndexReader; import org.apache.lucene.queryparser.classic.QueryParser; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.search.ScoreDoc; import org.apache.lucene.search.TopDocs; import org.apache.lucene.store.FSDirectory; public class SearchFiles { public static final String INDEX_DIRECTORY = "index"; public static final String FIELD_CONTENTS = "contents"; public static void main(String[] args) throws Exception { IndexReader reader = DirectoryReader.open(FSDirectory.open(Paths.get(INDEX_DIRECTORY))); IndexSearcher indexSearcher = new IndexSearcher(reader); Analyzer analyzer = new StandardAnalyzer(); QueryParser queryParser = new QueryParser(FIELD_CONTENTS, analyzer); String searchString = "shakespeare"; Query query = queryParser.parse(searchString); TopDocs results = indexSearcher.search(query, 5); ScoreDoc[] hits = results.scoreDocs; int numTotalHits = results.totalHits; System.out.println(numTotalHits + " total matching documents"); for(int i=0;i<hits.length;++i) { int docId = hits[i].doc; Document d = indexSearcher.doc(docId); System.out.println((i + 1) + ". " + d.get("path") + " score=" + hits[i].score); } } }