Introduce a package for Geo API

[gpl/argeo-suite.git] / org.argeo.app.geo / src / org / argeo / app / api / geo / FeatureAdapter.java

diff --git a/org.argeo.app.geo/src/org/argeo/app/api/geo/FeatureAdapter.java b/org.argeo.app.geo/src/org/argeo/app/api/geo/FeatureAdapter.java
new file mode 100644 (file)
index 0000000..d00a2c0
--- /dev/null
+++ b/org.argeo.app.geo/src/org/argeo/app/api/geo/FeatureAdapter.java
@@ -0,0 +1,34 @@
+package org.argeo.app.api.geo;
+
+import javax.xml.namespace.QName;
+
+import org.argeo.api.acr.Content;
+import org.argeo.api.acr.search.AndFilter;
+import org.argeo.app.api.EntityType;
+import org.argeo.app.api.WGS84PosName;
+import org.argeo.app.geo.JTS;
+import org.locationtech.jts.geom.Coordinate;
+import org.locationtech.jts.geom.Geometry;
+import org.locationtech.jts.geom.Point;
+
+import jakarta.json.stream.JsonGenerator;
+
+public interface FeatureAdapter {
+       default Geometry getDefaultGeometry(Content c, QName targetFeature) {
+               // TODO deal with more defaults
+               // TODO deal with target feature
+               if (c.hasContentClass(EntityType.geopoint)) {
+                       double latitude = c.get(WGS84PosName.lat, Double.class).get();
+                       double longitude = c.get(WGS84PosName.lon, Double.class).get();
+
+                       Coordinate coordinate = new Coordinate(longitude, latitude);
+                       Point the_geom = JTS.GEOMETRY_FACTORY.createPoint(coordinate);
+                       return the_geom;
+               }
+               return null;
+       }
+
+       void writeProperties(JsonGenerator g, Content content, QName targetFeature);
+
+       void addConstraintsForFeature(AndFilter filter, QName targetFeature);
+}