| using J2N.Text; |
| using Spatial4n.Core.Context; |
| using Spatial4n.Core.Exceptions; |
| using Spatial4n.Core.Shapes; |
| using System; |
| using System.Collections.Generic; |
| using System.IO; |
| using System.Text; |
| |
| namespace Lucene.Net.Spatial |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// This class is modelled after SpatialTestQuery. |
| /// Before Lucene 4.7, this was a bit different in Spatial4n as SampleData & SampleDataReader. |
| /// </summary> |
| public class SpatialTestData |
| { |
| public String id; |
| public String name; |
| public IShape 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 IEnumerator<SpatialTestData> GetTestData(Stream @in, SpatialContext ctx) |
| { |
| List<SpatialTestData> results = new List<SpatialTestData>(); |
| TextReader bufInput = new StreamReader(@in, Encoding.UTF8); |
| try |
| { |
| String line; |
| while ((line = bufInput.ReadLine()) != null) |
| { |
| if (line.Length == 0 || line[0] == '#') |
| continue; |
| |
| SpatialTestData data = new SpatialTestData(); |
| String[] vals = line.Split('\t').TrimEnd(); |
| if (vals.Length != 3) |
| throw new Exception("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 Exception(e.ToString(), e); |
| } |
| results.Add(data); |
| } |
| } |
| finally |
| { |
| bufInput.Dispose(); |
| } |
| return results.GetEnumerator(); |
| } |
| } |
| } |