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#include "geometry_collection.hpp"
#include "../java/util.hpp"
namespace mbgl {
namespace android {
namespace geojson {
jni::Object<GeometryCollection> GeometryCollection::New(jni::JNIEnv& env, const mapbox::geometry::geometry_collection<double>& collection) {
// Create an array of geometries
auto jarray = jni::Array<jni::Object<Geometry>>::New(env, collection.size(), Geometry::javaClass);
for (size_t i = 0; i < collection.size(); i++) {
auto& geometry = collection.at(i);
auto jGeometry = Geometry::New(env, geometry);
jarray.Set(env, i, jGeometry);
jni::DeleteLocalRef(env, jGeometry);
}
// Turn into array list
auto jList = java::util::Arrays::asList(env, jarray);
jni::DeleteLocalRef(env, jarray);
// create the GeometryCollection
static auto method = javaClass.GetStaticMethod<jni::Object<GeometryCollection> (jni::Object<java::util::List>)>(env, "fromGeometries");
auto jCollection = javaClass.Call(env, method, jList);
jni::DeleteLocalRef(env, jList);
return jCollection;
}
mapbox::geometry::geometry_collection<double> GeometryCollection::convert(jni::JNIEnv &env, jni::Object<GeometryCollection> jCollection) {
// Get geometries
static auto getGeometries = javaClass.GetMethod<jni::Object<java::util::List> ()>(env, "getGeometries");
auto jList = jCollection.Call(env, getGeometries);
// Turn into array
auto jarray = java::util::List::toArray<Geometry>(env, jList);
jni::DeleteLocalRef(env, jList);
// Convert each geometry
mapbox::geometry::geometry_collection<double> collection{};
auto size = jarray.Length(env);
for (jni::jsize i = 0; i < size; i++) {
auto element = jarray.Get(env, i);
collection.push_back(Geometry::convert(env, element));
jni::DeleteLocalRef(env, element);
}
jni::DeleteLocalRef(env, jarray);
return collection;
}
void GeometryCollection::registerNative(jni::JNIEnv &env) {
// Lookup the class
javaClass = *jni::Class<GeometryCollection>::Find(env).NewGlobalRef(env).release();
}
jni::Class<GeometryCollection> GeometryCollection::javaClass;
} // namespace geojson
} // namespace android
} // namespace mbgl
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