commit | b2d344508afb0585ba49af27c758fc18a5f0a305 | [log] [tgz] |
---|---|---|
author | William Delanoue <william.delanoue@deveryware.net> | Wed Jan 28 14:08:18 2015 +0100 |
committer | William Delanoue <william.delanoue@deveryware.net> | Wed Jan 28 14:08:18 2015 +0100 |
tree | 70e0009326ae3723f7830bdc2c789be17060d31f | |
parent | fb1e87a01f809165d3205128ed16970462345861 [diff] |
add Crs for toString
A small package of all GeoJson POJOs (Plain Old Java Objects) for serializing and deserializing of objects via JSON Jackson Parser.
If you know what kind of object you expect from a GeoJson file you can directly read it like this:
FeatureCollection featureCollection = new ObjectMapper().readValue(inputStream, FeatureCollection.class);
If you what to read any GeoJson file read the value as GeoJsonObject and then test for the contents via instanceOf:
GeoJsonObject object = new ObjectMapper().readValue(inputStream, GeoJsonObject.class); if (object instanceOf Polygon) { ... } else if (object instanceOf Feature) { ... }
and so on.
Writing Json is even easier. You just have to create the GeoJson objects and pass them to the Jackson ObjectMapper.
FeatureCollection featureCollection = new FeatureCollection(); featureCollection.add(new Feature()); String json= new ObjectMapper().writeValueAsString(featureCollection);
You can find the library in the Maven Central Repository.
<dependency> <groupId>de.grundid.opendatalab</groupId> <artifactId>geojson-jackson</artifactId> <version>1.2</version> </dependency>