| /* |
| * 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.spatial; |
| |
| import org.locationtech.spatial4j.context.SpatialContext; |
| import org.locationtech.spatial4j.shape.Shape; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.nio.charset.StandardCharsets; |
| import java.text.ParseException; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| // This class is modelled after SpatialTestQuery. |
| // Before Lucene 4.7, this was a bit different in Spatial4j as SampleData & SampleDataReader. |
| |
| public class SpatialTestData { |
| public String id; |
| public String name; |
| public Shape shape; |
| |
| /** Reads the stream, consuming a format that is a tab-separated values of 3 columns: |
| * an "id", a "name" and the "shape". Empty lines and lines starting with a '#' are skipped. |
| * The stream is closed. |
| */ |
| public static Iterator<SpatialTestData> getTestData(InputStream in, SpatialContext ctx) throws IOException { |
| List<SpatialTestData> results = new ArrayList<>(); |
| BufferedReader bufInput = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8)); |
| try { |
| String line; |
| while ((line = bufInput.readLine()) != null) { |
| if (line.length() == 0 || line.charAt(0) == '#') |
| continue; |
| |
| SpatialTestData data = new SpatialTestData(); |
| String[] vals = line.split("\t"); |
| if (vals.length != 3) |
| throw new RuntimeException("bad format; expecting 3 tab-separated values for line: "+line); |
| data.id = vals[0]; |
| data.name = vals[1]; |
| try { |
| data.shape = ctx.readShapeFromWkt(vals[2]); |
| } catch (ParseException e) { |
| throw new RuntimeException(e); |
| } |
| results.add(data); |
| } |
| } finally { |
| bufInput.close(); |
| } |
| return results.iterator(); |
| } |
| } |