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#include "feature_collection.hpp"
#include "feature.hpp"
namespace mbgl {
namespace android {
namespace geojson {
mbgl::FeatureCollection FeatureCollection::convert(jni::JNIEnv& env, jni::Object<FeatureCollection> jCollection) {
auto jFeatureList = FeatureCollection::features(env, jCollection);
auto jFeatures = java::util::List::toArray<Feature>(env, jFeatureList);
auto size = size_t(jFeatures.Length(env));
auto collection = mbgl::FeatureCollection();
collection.reserve(size);
for (size_t i = 0; i < size; i++) {
auto jFeature = jFeatures.Get(env, i);
collection.push_back(Feature::convert(env, jFeature));
jni::DeleteLocalRef(env, jFeature);
}
return collection;
}
jni::Object<java::util::List> FeatureCollection::features(jni::JNIEnv& env, jni::Object<FeatureCollection> jCollection) {
static auto method = FeatureCollection::javaClass.GetMethod<jni::Object<java::util::List> ()>(env, "features");
return jCollection.Call(env, method);
}
void FeatureCollection::registerNative(jni::JNIEnv& env) {
// Lookup the class
javaClass = *jni::Class<FeatureCollection>::Find(env).NewGlobalRef(env).release();
}
jni::Class<FeatureCollection> FeatureCollection::javaClass;
} // namespace geojson
} // namespace android
} // namespace mbgl
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