| /* |
| * 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. |
| */ |
| package org.apache.lucene.benchmark.byTask.feeds; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.queryparser.classic.ParseException; |
| import org.apache.lucene.queryparser.classic.QueryParser; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.benchmark.byTask.tasks.NewAnalyzerTask; |
| import org.apache.lucene.util.IOUtils; |
| |
| import java.io.*; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Create queries from a FileReader. One per line, pass them through the |
| * QueryParser. Lines beginning with # are treated as comments |
| * |
| * File can be specified as a absolute, relative or resource. |
| * Two properties can be set: |
| * file.query.maker.file=<Full path to file containing queries> |
| * <br> |
| * file.query.maker.default.field=<Name of default field - Default value is "body"> |
| * |
| * Example: |
| * file.query.maker.file=c:/myqueries.txt |
| * file.query.maker.default.field=body |
| */ |
| public class FileBasedQueryMaker extends AbstractQueryMaker implements QueryMaker{ |
| |
| |
| @Override |
| protected Query[] prepareQueries() throws Exception { |
| |
| Analyzer anlzr = NewAnalyzerTask.createAnalyzer(config.get("analyzer", |
| "org.apache.lucene.analysis.standard.StandardAnalyzer")); |
| String defaultField = config.get("file.query.maker.default.field", DocMaker.BODY_FIELD); |
| QueryParser qp = new QueryParser(defaultField, anlzr); |
| qp.setAllowLeadingWildcard(true); |
| |
| List<Query> qq = new ArrayList<>(); |
| String fileName = config.get("file.query.maker.file", null); |
| if (fileName != null) |
| { |
| Path path = Paths.get(fileName); |
| Reader reader = null; |
| // note: we use a decoding reader, so if your queries are screwed up you know |
| if (Files.exists(path)) { |
| reader = Files.newBufferedReader(path, StandardCharsets.UTF_8); |
| } else { |
| //see if we can find it as a resource |
| InputStream asStream = FileBasedQueryMaker.class.getClassLoader().getResourceAsStream(fileName); |
| if (asStream != null) { |
| reader = IOUtils.getDecodingReader(asStream, StandardCharsets.UTF_8); |
| } |
| } |
| if (reader != null) { |
| try { |
| BufferedReader buffered = new BufferedReader(reader); |
| String line = null; |
| int lineNum = 0; |
| while ((line = buffered.readLine()) != null) { |
| line = line.trim(); |
| if (line.length() != 0 && !line.startsWith("#")) { |
| try { |
| qq.add(qp.parse(line)); |
| } catch (ParseException e) { |
| System.err.println("Exception: " + e.getMessage() + " occurred while parsing line: " + lineNum + " Text: " + line); |
| } |
| } |
| lineNum++; |
| } |
| } finally { |
| reader.close(); |
| } |
| } else { |
| System.err.println("No Reader available for: " + fileName); |
| } |
| |
| } |
| return qq.toArray(new Query[qq.size()]) ; |
| } |
| } |