From fa7489fb7ea8ec85cb746e0bc497518d72c638b9 Mon Sep 17 00:00:00 2001 From: Ivo van Dongen Date: Wed, 22 Mar 2017 15:05:03 +0200 Subject: [android] geojson conversion optimisation --- platform/android/src/gson/json_primitive.cpp | 66 ++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 platform/android/src/gson/json_primitive.cpp (limited to 'platform/android/src/gson/json_primitive.cpp') diff --git a/platform/android/src/gson/json_primitive.cpp b/platform/android/src/gson/json_primitive.cpp new file mode 100644 index 0000000000..58d0b45fe7 --- /dev/null +++ b/platform/android/src/gson/json_primitive.cpp @@ -0,0 +1,66 @@ +#include "json_primitive.hpp" + +namespace mbgl { +namespace android { +namespace gson { + +JsonPrimitive::value JsonPrimitive::convert(jni::JNIEnv &env, jni::Object jsonPrimitive) { + value value; + if (jsonPrimitive) { + if (isBoolean(env, jsonPrimitive)) { + value = getAsBoolean(env, jsonPrimitive); + } else if (isNumber(env, jsonPrimitive)) { + //TODO: how to differentiate types here? + value = getAsDouble(env, jsonPrimitive); + } else if (isString(env, jsonPrimitive)) { + value = getAsString(env, jsonPrimitive); + } else { + value = mapbox::geometry::null_value; + } + } + return value; +} + +bool JsonPrimitive::isBoolean(JNIEnv& env, jni::Object jsonPrimitive) { + static auto method = JsonPrimitive::javaClass.GetMethod(env, "isBoolean"); + return jsonPrimitive.Call(env, method); +} + +bool JsonPrimitive::isString(JNIEnv& env, jni::Object jsonPrimitive) { + static auto method = JsonPrimitive::javaClass.GetMethod(env, "isString"); + return jsonPrimitive.Call(env, method); +} + +bool JsonPrimitive::isNumber(JNIEnv& env, jni::Object jsonPrimitive) { + static auto method = JsonPrimitive::javaClass.GetMethod(env, "isNumber"); + return jsonPrimitive.Call(env, method); +} + +bool JsonPrimitive::getAsBoolean(JNIEnv& env, jni::Object jsonPrimitive) { + static auto method = JsonPrimitive::javaClass.GetMethod(env, "getAsBoolean"); + return jsonPrimitive.Call(env, method); +} + +std::string JsonPrimitive::getAsString(JNIEnv& env, jni::Object jsonPrimitive) { + static auto method = JsonPrimitive::javaClass.GetMethod(env, "getAsString"); + auto jString = jsonPrimitive.Call(env, method); + auto string = jni::Make(env, jString); + jni::DeleteLocalRef(env, jString); + return string; +} + +double JsonPrimitive::getAsDouble(JNIEnv& env, jni::Object jsonPrimitive) { + static auto method = JsonPrimitive::javaClass.GetMethod(env, "getAsDouble"); + return jsonPrimitive.Call(env, method); +} + +void JsonPrimitive::registerNative(jni::JNIEnv &env) { + // Lookup the class + javaClass = *jni::Class::Find(env).NewGlobalRef(env).release(); +} + +jni::Class JsonPrimitive::javaClass; + +} // namespace gson +} // namespace android +} // namespace mbgl \ No newline at end of file -- cgit v1.2.1