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#include "geojson_source.hpp"
// Java -> C++ conversion
#include "../android_conversion.hpp"
#include "../conversion/filter.hpp"
#include "../conversion/geojson.hpp"
// C++ -> Java conversion
#include "../../conversion/conversion.hpp"
#include "../../conversion/collection.hpp"
#include "../../geojson/conversion/feature.hpp"
#include "../conversion/url_or_tileset.hpp"
#include <mbgl/style/conversion.hpp>
#include <mbgl/style/conversion/geojson_options.hpp>
#include <string>
namespace mbgl {
namespace android {
// This conversion is expected not to fail because it's used only in contexts where
// the value was originally a GeoJsonOptions object on the Java side. If it fails
// to convert, it's a bug in our serialization or Java-side static typing.
static style::GeoJSONOptions convertGeoJSONOptions(jni::JNIEnv& env, jni::Object<> options) {
using namespace mbgl::style::conversion;
if (!options) {
return style::GeoJSONOptions();
}
Error error;
optional<style::GeoJSONOptions> result = convert<style::GeoJSONOptions>(Value(env, options), error);
if (!result) {
throw std::logic_error(error.message);
}
return *result;
}
GeoJSONSource::GeoJSONSource(jni::JNIEnv& env, jni::String sourceId, jni::Object<> options)
: Source(env, std::make_unique<mbgl::style::GeoJSONSource>(
jni::Make<std::string>(env, sourceId),
convertGeoJSONOptions(env, options))
) {
}
GeoJSONSource::GeoJSONSource(mbgl::Map& map, mbgl::style::GeoJSONSource& coreSource)
: Source(map, coreSource) {
}
GeoJSONSource::~GeoJSONSource() = default;
void GeoJSONSource::setGeoJSONString(jni::JNIEnv& env, jni::String json) {
using namespace mbgl::style::conversion;
// Convert the jni object
Error error;
optional<GeoJSON> converted = convert<GeoJSON>(Value(env, json), error);
if(!converted) {
mbgl::Log::Error(mbgl::Event::JNI, "Error setting geo json: " + error.message);
return;
}
// Update the core source
source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setGeoJSON(*converted);
}
void GeoJSONSource::setFeatureCollection(jni::JNIEnv& env, jni::Object<geojson::FeatureCollection> jFeatures) {
using namespace mbgl::android::geojson;
// Convert the jni object
auto features = FeatureCollection::convert(env, jFeatures);
// Update the core source
source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setGeoJSON(GeoJSON(features));
}
void GeoJSONSource::setFeature(jni::JNIEnv& env, jni::Object<geojson::Feature> jFeature) {
using namespace mbgl::android::geojson;
// Convert the jni object
auto feature = Feature::convert(env, jFeature);
// Update the core source
source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setGeoJSON(GeoJSON(feature));
}
void GeoJSONSource::setGeometry(jni::JNIEnv& env, jni::Object<geojson::Geometry> jGeometry) {
using namespace mbgl::android::geojson;
// Convert the jni object
auto geometry = Geometry::convert(env, jGeometry);
// Update the core source
source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setGeoJSON(GeoJSON(geometry));
}
void GeoJSONSource::setURL(jni::JNIEnv& env, jni::String url) {
// Update the core source
source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setURL(jni::Make<std::string>(env, url));
}
jni::String GeoJSONSource::getURL(jni::JNIEnv& env) {
optional<std::string> url = source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::getURL();
return url ? jni::Make<jni::String>(env, *url) : jni::String();
}
jni::Array<jni::Object<geojson::Feature>> GeoJSONSource::querySourceFeatures(jni::JNIEnv& env,
jni::Array<jni::Object<>> jfilter) {
using namespace mbgl::android::conversion;
using namespace mbgl::android::geojson;
std::vector<mbgl::Feature> features;
if (map) {
features = map->querySourceFeatures(source.getID(), { {}, toFilter(env, jfilter) });
}
return *convert<jni::Array<jni::Object<Feature>>, std::vector<mbgl::Feature>>(env, features);
}
jni::Class<GeoJSONSource> GeoJSONSource::javaClass;
jni::jobject* GeoJSONSource::createJavaPeer(jni::JNIEnv& env) {
static auto constructor = GeoJSONSource::javaClass.template GetConstructor<jni::jlong>(env);
return GeoJSONSource::javaClass.New(env, constructor, reinterpret_cast<jni::jlong>(this));
}
void GeoJSONSource::registerNative(jni::JNIEnv& env) {
// Lookup the class
GeoJSONSource::javaClass = *jni::Class<GeoJSONSource>::Find(env).NewGlobalRef(env).release();
#define METHOD(MethodPtr, name) jni::MakeNativePeerMethod<decltype(MethodPtr), (MethodPtr)>(name)
// Register the peer
jni::RegisterNativePeer<GeoJSONSource>(
env, GeoJSONSource::javaClass, "nativePtr",
std::make_unique<GeoJSONSource, JNIEnv&, jni::String, jni::Object<>>,
"initialize",
"finalize",
METHOD(&GeoJSONSource::setGeoJSONString, "nativeSetGeoJsonString"),
METHOD(&GeoJSONSource::setFeatureCollection, "nativeSetFeatureCollection"),
METHOD(&GeoJSONSource::setFeature, "nativeSetFeature"),
METHOD(&GeoJSONSource::setGeometry, "nativeSetGeometry"),
METHOD(&GeoJSONSource::setURL, "nativeSetUrl"),
METHOD(&GeoJSONSource::getURL, "nativeGetUrl"),
METHOD(&GeoJSONSource::querySourceFeatures, "querySourceFeatures")
);
}
} // namespace android
} // namespace mbgl
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