--- /dev/null
+/*
+my_jni.cc
+Copyright (C) 2013 Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __MY_JNI__H
+#define __MY_JNI__H
+#include <jni.h>
+extern "C" {
+#include "linphonecore_utils.h"
+}
+
+#define defCallMethod(Type) \
+template <typename ReturnType> \
+static ReturnType call##Type##Method(JNIEnv *env, jobject obj, const char *className, const char *methodName, \
+ const char *methodSignature, ...) { \
+ jclass my_class = env->GetObjectClass(obj); \
+ if(my_class == 0) { \
+ ms_error("Can't get %s JNI class", className); \
+ return NULL; \
+ } \
+ jmethodID my_method = env->GetMethodID(my_class, methodName, methodSignature); \
+ if(my_method == 0) { \
+ ms_error("Can't get %s %s %s method", className, methodSignature); \
+ return NULL; \
+ } \
+ va_list vl; \
+ va_start(vl, methodSignature); \
+ ReturnType ret = env->Call##Type##MethodV(obj, my_method, vl); \
+ va_end(vl); \
+ return ret; \
+} \
+
+#define defGetterTypeField(Type, JavaType, JavaStringType) \
+template <typename ValueType> \
+static ValueType get##Type##Field(JNIEnv *env, jobject obj, const char *className, const char *fieldName) { \
+ jclass my_class = env->GetObjectClass(obj); \
+ if(my_class == 0) { \
+ ms_error("Can't get %s JNI class", className); \
+ return NULL; \
+ } \
+ jfieldID my_field = env->GetFieldID(my_class, fieldName, JavaStringType); \
+ if(my_field == 0) { \
+ ms_error("Can't get %s %s field", className, fieldName); \
+ return NULL; \
+ } \
+ return (ValueType) env->Get##Type##Field(obj, my_field); \
+} \
+
+#define defSetterTypeField(Type, JavaType, JavaStringType) \
+template <typename ValueType> \
+static bool set##Type##Field(JNIEnv *env, jobject obj, const char *className, const char *fieldName, ValueType val) { \
+ jclass my_class = env->GetObjectClass(obj); \
+ if(my_class == 0) { \
+ ms_error("Can't get %s JNI class", className); \
+ return false; \
+ } \
+ jfieldID my_field = env->GetFieldID(my_class, fieldName, JavaStringType); \
+ if(my_field == 0) { \
+ ms_error("Can't get %s %s field", className, fieldName); \
+ return false; \
+ } \
+ env->Set##Type##Field(obj, my_field, (JavaType) val); \
+ return true; \
+} \
+
+#define defGetterAndSetterTypeField(Type, JavaType, JavaStringType) \
+ defGetterTypeField(Type, JavaType, JavaStringType) \
+ defSetterTypeField(Type, JavaType, JavaStringType) \
+
+namespace my_jni {
+ template <typename ReturnType>
+ static void callVoidMethod(JNIEnv *env, jobject obj, const char *className, const char *methodName,
+ const char *methodSignature, ...) {
+ jclass my_class = env->GetObjectClass(obj);
+ if(my_class == 0) {
+ ms_error("Can't get %s JNI class", className);
+ return;
+ }
+ jmethodID my_method = env->GetMethodID(my_class, methodName, methodSignature);
+ if(my_method == 0) {
+ ms_error("Can't get %s %s %s method", className, methodName, methodSignature);
+ return;
+ }
+ va_list vl;
+ va_start(vl, methodSignature);
+ env->CallVoidMethodV(obj, my_method, vl);
+ va_end(vl);
+ }
+ defCallMethod(Object)
+ defGetterAndSetterTypeField(Long, jlong, "J")
+}
+
+#endif //__MY_JNI__H