From 0406258466643a0bf609c97cbaf78744de9f16ec Mon Sep 17 00:00:00 2001
From: Petre Eftime <petre.p.eftime@intel.com>
Date: Tue, 1 Sep 2015 18:54:48 +0300
Subject: [PATCH] java: fix Java arrays for ds1307

Signed-off-by: Petre Eftime <petre.p.eftime@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
---
 src/ds1307/javaupm_ds1307.i | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/ds1307/javaupm_ds1307.i b/src/ds1307/javaupm_ds1307.i
index 3b0e217f..2171974a 100644
--- a/src/ds1307/javaupm_ds1307.i
+++ b/src/ds1307/javaupm_ds1307.i
@@ -2,10 +2,23 @@
 %include "../upm.i"
 %include "arrays_java.i";
 
-%apply signed char[] {uint8_t *};
-
 %{
     #include "ds1307.h"
 %}
 
+%typemap(jni) (uint8_t *buffer, unsigned int len) "jbyteArray";
+%typemap(jtype) (uint8_t *buffer, unsigned int len) "byte[]";
+%typemap(jstype) (uint8_t *buffer, unsigned int len) "byte[]";
+
+%typemap(javain) (uint8_t *buffer, unsigned int len) "$javainput";
+
+%typemap(in) (uint8_t *buffer, unsigned int len) {
+        $1 = (uint8_t *) JCALL2(GetByteArrayElements, jenv, $input, NULL);
+        $2 = JCALL1(GetArrayLength, jenv, $input);
+}
+
+%typemap(freearg) (uint8_t *buffer, unsigned int len) {
+        JCALL3(ReleaseByteArrayElements, jenv, $input, (jbyte *)$1, 0);
+}
+
 %include "ds1307.h"