Make ScopedLocalRef more convenient, and use it more widely.

Even though every reference type is a jobject, it's useful to be able to use
more specific types.

Change-Id: Id8056d0e18380675c90f08c4173a8b34b4d5d983

1 files changed, 7 insertions, 6 deletions

diff --git a/include/ScopedLocalRef.h b/include/ScopedLocalRef.h
index 2cf4673..84ee11a 100644
--- a/include/ScopedLocalRef.h
+++ b/include/ScopedLocalRef.h
@@ -1,12 +1,12 @@
 /*
  * Copyright (C) 2010 The Android Open Source Project
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,9 +20,10 @@
 #include "JNIHelp.h"
 
 // A smart pointer that deletes a JNI local reference when it goes out of scope.
+template<typename T>
 class ScopedLocalRef {
 public:
-    ScopedLocalRef(JNIEnv* env, jobject localRef)
+    ScopedLocalRef(JNIEnv* env, T localRef)
     : mEnv(env), mLocalRef(localRef)
     {
     }
@@ -38,13 +39,13 @@ public:
         }
     }
 
-    jobject get() const {
+    T get() const {
         return mLocalRef;
     }
 
 private:
     JNIEnv* mEnv;
-    jobject mLocalRef;
+    T mLocalRef;
 
     // Disallow copy and assignment.
     ScopedLocalRef(const ScopedLocalRef&);