1 /***********************************************************************
2  * Copyright (c) 2013-2024 Commonwealth Computer Research, Inc.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Apache License, Version 2.0
5  * which accompanies this distribution and is available at
6  * http://www.opensource.org/licenses/apache2.0.php.
7  ***********************************************************************/
8 
9 package org.locationtech.geomesa.utils
10 
11 import org.geotools.api.data.FeatureReader
12 import org.geotools.api.feature.simple.{SimpleFeature, SimpleFeatureType}
13 import org.geotools.api.referencing.crs.CoordinateReferenceSystem
14 import org.geotools.data.collection.DelegateFeatureReader
15 import org.geotools.feature.collection.DelegateFeatureIterator
16 import org.geotools.geometry.jts.ReferencedEnvelope
17 import org.geotools.referencing.CRS
18 import org.geotools.referencing.crs.DefaultGeographicCRS
19 import org.locationtech.geomesa.utils.text.WKTUtils
20 import org.locationtech.jts.geom.{Geometry, Polygon}
21 
22 import java.time.ZoneOffset
23 import java.time.format.DateTimeFormatter
24 
25 package object geotools {
26 
27   // use the epsg jar if it's available (e.g. in geoserver), otherwise use the less-rich constant
28   val CRS_EPSG_4326: CoordinateReferenceSystem =
29     try { CRS.decode("EPSG:4326", true) } catch { case _: Throwable => DefaultGeographicCRS.WGS84 }
30 
31   val CrsEpsg4326: CoordinateReferenceSystem = CRS_EPSG_4326
32 
33   // we make this a function, as envelopes are mutable
34   def wholeWorldEnvelope = new ReferencedEnvelope(-180, 180, -90, 90, CRS_EPSG_4326)
35   val WholeWorldPolygon: Polygon =
36     WKTUtils.read("POLYGON((-180 -90, 180 -90, 180 90, -180 90, -180 -90))").asInstanceOf[Polygon]
37   val EmptyGeometry: Geometry = WKTUtils.read("POLYGON EMPTY")
38 
39   // date format with geotools pattern
40   val GeoToolsDateFormat: DateTimeFormatter =
41     DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").withZone(ZoneOffset.UTC)
42 
43   type FR = FeatureReader[SimpleFeatureType, SimpleFeature]
44   type DFR = DelegateFeatureReader[SimpleFeatureType, SimpleFeature]
45   type DFI = DelegateFeatureIterator[SimpleFeature]
46 }