From 25037b693981e0541f818b9aa44e1c20c507e284 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Thu, 27 Jan 2022 07:40:07 +0100
Subject: helper_jni: Add convert_instance_to_jobject(..) with given jclass,
 different from T::java_class()

---
 include/jau/jni/helper_jni.hpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'include/jau/jni')

diff --git a/include/jau/jni/helper_jni.hpp b/include/jau/jni/helper_jni.hpp
index 20b66d7..e8807e1 100644
--- a/include/jau/jni/helper_jni.hpp
+++ b/include/jau/jni/helper_jni.hpp
@@ -350,6 +350,22 @@ namespace jau {
         return object;
     }
 
+    template <typename T>
+    jobject convert_instance_to_jobject(JNIEnv *env, jclass clazz,
+            const char *ctor_prototype, std::function<jobject(JNIEnv*, jclass, jmethodID, T*)> ctor, T *elem)
+    {
+        jmethodID clazz_ctor = search_method(env, clazz, "<init>", ctor_prototype, false);
+
+        jobject object = ctor(env, clazz, clazz_ctor, elem);
+        if (!object)
+        {
+            throw jau::RuntimeException("Cannot create instance of class", E_FILE_LINE);
+        }
+        java_exception_check_and_throw(env, E_FILE_LINE);
+
+        return object;
+    }
+
     template <typename T>
     jobject convert_vector_sharedptr_to_jarraylist(JNIEnv *env, T& array)
     {
-- 
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