52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
#include "geometry.hpp"
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#include "point.hpp"
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#include "multi_point.hpp"
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#include "line_string.hpp"
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#include "multi_line_string.hpp"
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#include "polygon.hpp"
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#include "multi_polygon.hpp"
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#include <string>
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namespace mbgl {
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namespace android {
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namespace geojson {
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mapbox::geojson::geometry Geometry::convert(jni::JNIEnv &env, jni::Object<Geometry> jGeometry) {
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auto type = Geometry::getType(env, jGeometry);
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if (type == Point::Type()) {
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return { Point::convert(env, jni::Object<Point>(jGeometry.Get())) };
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} else if (type == MultiPoint::Type()) {
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return { MultiPoint::convert(env, jni::Object<MultiPoint>(jGeometry.Get())) };
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} else if (type == LineString::Type()) {
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return { LineString::convert(env, jni::Object<LineString>(jGeometry.Get())) };
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} else if (type == MultiLineString::Type()) {
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return { MultiLineString::convert(env, jni::Object<MultiLineString>(jGeometry.Get())) };
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} else if (type == Polygon::Type()) {
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return { Polygon::convert(env, jni::Object<Polygon>(jGeometry.Get())) };
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} else if (type == MultiPolygon::Type()) {
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return { MultiPolygon::convert(env, jni::Object<MultiPolygon>(jGeometry.Get())) };
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}
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throw std::runtime_error(std::string {"Unsupported GeoJSON type: " } + type);
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}
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std::string Geometry::getType(jni::JNIEnv &env, jni::Object<Geometry> jGeometry) {
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static auto method = Geometry::javaClass.GetMethod<jni::String ()>(env, "type");
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auto jType = jGeometry.Call(env, method);
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auto type = jni::Make<std::string>(env, jType);
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jni::DeleteLocalRef(env, jType);
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return type;
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}
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void Geometry::registerNative(jni::JNIEnv &env) {
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// Lookup the class
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javaClass = *jni::Class<Geometry>::Find(env).NewGlobalRef(env).release();
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}
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jni::Class<Geometry> Geometry::javaClass;
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} // namespace geojson
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} // namespace android
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} // namespace mbgl
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