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#include "multi_polygon.hpp"
#include "polygon.hpp"
#include "util.hpp"
namespace mbgl {
namespace android {
namespace geojson {
jni::Object<MultiPolygon> MultiPolygon::New(JNIEnv& env, const mbgl::MultiPolygon<double>& multiPolygon) {
auto jarray = jni::Array<jni::Object<java::util::List>>::New(env, multiPolygon.size(), java::util::List::javaClass);
for (size_t i = 0; i < multiPolygon.size(); i++) {
auto& geometry = multiPolygon.at(i);
auto jPolygon = asPointsListsList(env, geometry);
jarray.Set(env, i, jPolygon);
jni::DeleteLocalRef(env, jPolygon);
}
// Turn into array list
auto jList = java::util::Arrays::asList(env, jarray);
jni::DeleteLocalRef(env, jarray);
// create the MultiPolygon
static auto method = javaClass.GetStaticMethod<jni::Object<MultiPolygon> (jni::Object<java::util::List>)>(env, "fromLngLats");
auto jMultiPolygon = javaClass.Call(env, method, jList);
jni::DeleteLocalRef(env, jList);
return jMultiPolygon;
}
mapbox::geojson::multi_polygon MultiPolygon::convert(jni::JNIEnv &env, jni::Object<MultiPolygon> jMultiPolygon) {
mapbox::geojson::multi_polygon multiPolygon;
if (jMultiPolygon) {
auto jPointListsListList = MultiPolygon::coordinates(env, jMultiPolygon);
auto jPointListsListArray = java::util::List::toArray<java::util::List>(env, jPointListsListList);
auto size = jPointListsListArray.Length(env);
multiPolygon.reserve(size);
for (size_t i = 0; i < size; i++) {
auto jPositionListsList = jPointListsListArray.Get(env, i);
multiPolygon.push_back(Polygon::convert(env, jPositionListsList));
jni::DeleteLocalRef(env, jPositionListsList);
}
jni::DeleteLocalRef(env, jPointListsListArray);
jni::DeleteLocalRef(env, jPointListsListList);
}
return multiPolygon;
}
jni::Object<java::util::List> MultiPolygon::coordinates(jni::JNIEnv &env, jni::Object<MultiPolygon> jPolygon) {
static auto method = MultiPolygon::javaClass.GetMethod<jni::Object<java::util::List> ()>(env, "coordinates");
return jPolygon.Call(env, method);
}
void MultiPolygon::registerNative(jni::JNIEnv &env) {
// Lookup the class
javaClass = *jni::Class<MultiPolygon>::Find(env).NewGlobalRef(env).release();
}
jni::Class<MultiPolygon> MultiPolygon::javaClass;
} // namespace geojson
} // namespace android
} // namespace mbgl
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