From 0aaacdea88915710e8d773192ae957f4f594d7af Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Tue, 4 Jan 2022 19:26:49 +0100
Subject: Add helper_jni.hpp: convert_vector_uniqueptr_to_jarraylist(..)
 variant ...

... without passing java class type nor ctor name, just relying on ctor code.
---
 include/jau/jni/helper_jni.hpp | 54 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/include/jau/jni/helper_jni.hpp b/include/jau/jni/helper_jni.hpp
index 9a60895..20b66d7 100644
--- a/include/jau/jni/helper_jni.hpp
+++ b/include/jau/jni/helper_jni.hpp
@@ -464,6 +464,60 @@ namespace jau {
         return result;
     }
 
+    template <typename T, typename U>
+    jobject convert_vector_uniqueptr_to_jarraylist(JNIEnv *env, T& array, std::function<jobject(JNIEnv*, U*)> ctor)
+    {
+        unsigned int array_size = array.size();
+
+        jmethodID arraylist_add;
+        jobject result = get_new_arraylist(env, array_size, &arraylist_add);
+
+        if (array_size == 0)
+        {
+            return result;
+        }
+
+        for (unsigned int i = 0; i < array_size; ++i)
+        {
+            U *elem = array[i].release();
+            jobject object = ctor(env, elem);
+            if (!object)
+            {
+                throw jau::RuntimeException("Cannot create instance of class", E_FILE_LINE);
+            }
+            env->CallBooleanMethod(result, arraylist_add, object);
+            java_exception_check_and_throw(env, E_FILE_LINE);
+        }
+        return result;
+    }
+
+    template <typename T, typename U>
+    jobject convert_vector_sharedptr_to_jarraylist(JNIEnv *env, T& array, std::function<jobject(JNIEnv*, U*)> ctor)
+    {
+        unsigned int array_size = array.size();
+
+        jmethodID arraylist_add;
+        jobject result = get_new_arraylist(env, array_size, &arraylist_add);
+
+        if (array_size == 0)
+        {
+            return result;
+        }
+
+        for (unsigned int i = 0; i < array_size; ++i)
+        {
+            U *elem = array[i].get();
+            jobject object = ctor(env, elem);
+            if (!object)
+            {
+                throw jau::RuntimeException("Cannot create instance of class", E_FILE_LINE);
+            }
+            env->CallBooleanMethod(result, arraylist_add, object);
+            java_exception_check_and_throw(env, E_FILE_LINE);
+        }
+        return result;
+    }
+
 } // namespace direct_bt
 
 #endif /* JAU_HELPER_JNI_HPP_ */
-- 
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