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