mirror of
https://github.com/scm-manager/scm-manager.git
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83 lines
2.8 KiB
Java
83 lines
2.8 KiB
Java
/*
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* MIT License
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*
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* Copyright (c) 2020-present Cloudogu GmbH and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package sonia.scm.search;
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import org.apache.lucene.analysis.Analyzer;
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import org.apache.lucene.analysis.de.GermanAnalyzer;
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import org.apache.lucene.analysis.en.EnglishAnalyzer;
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import org.apache.lucene.analysis.es.SpanishAnalyzer;
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import org.apache.lucene.analysis.miscellaneous.PerFieldAnalyzerWrapper;
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import org.apache.lucene.analysis.standard.StandardAnalyzer;
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import javax.annotation.Nonnull;
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import java.util.HashMap;
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import java.util.Map;
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public class AnalyzerFactory {
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@Nonnull
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public Analyzer create(IndexOptions options) {
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if (options.getType() == IndexOptions.Type.NATURAL_LANGUAGE) {
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return createNaturalLanguageAnalyzer(options.getLocale().getLanguage());
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}
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return createDefaultAnalyzer();
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}
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private Analyzer createDefaultAnalyzer() {
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return new StandardAnalyzer();
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}
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private Analyzer createNaturalLanguageAnalyzer(String lang) {
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switch (lang) {
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case "en":
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return new EnglishAnalyzer();
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case "de":
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return new GermanAnalyzer();
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case "es":
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return new SpanishAnalyzer();
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default:
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return createDefaultAnalyzer();
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}
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}
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public Analyzer create(LuceneSearchableType type, IndexOptions options) {
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Analyzer defaultAnalyzer = create(options);
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Map<String, Analyzer> analyzerMap = new HashMap<>();
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for (LuceneSearchableField field : type.getFields()) {
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addFieldAnalyzer(analyzerMap, field);
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}
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return new PerFieldAnalyzerWrapper(defaultAnalyzer, analyzerMap);
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}
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private void addFieldAnalyzer(Map<String, Analyzer> analyzerMap, LuceneSearchableField field) {
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if (field.getAnalyzer() != Indexed.Analyzer.DEFAULT) {
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analyzerMap.put(field.getName(), new NonNaturalLanguageAnalyzer());
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}
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}
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}
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