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/**
* @copyright
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
* @endcopyright
*/
#ifndef SVN_JAVAHL_JNIWRAPPER_GLOBALREF_HPP
#define SVN_JAVAHL_JNIWRAPPER_GLOBALREF_HPP
#include <jni.h>
#include "jni_env.hpp"
namespace Java {
/**
* Wrapper for a global object reference. The reference is held until
* the wrapper goes out of scope (i.e., until the destructor is called).
*
* @since New in 1.9.
*/
class GlobalObject
{
public:
explicit GlobalObject(Env env, jobject obj)
: m_obj(obj ? env.NewGlobalRef(obj) : NULL)
{}
~GlobalObject();
GlobalObject& operator=(jobject that);
jobject get() const
{
return m_obj;
}
private:
GlobalObject(const GlobalObject&);
GlobalObject& operator=(const GlobalObject&);
jobject m_obj;
};
/**
* Wrapper for a global class reference. Behaves just like the object
* reference wrapper, but provides a more type-safe interface for
* class references.
*
* @since New in 1.9.
*/
class GlobalClass : protected GlobalObject
{
public:
explicit GlobalClass(Env env, jclass cls)
: GlobalObject(env, cls)
{}
GlobalClass& operator=(jclass that);
jclass get() const
{
return jclass(GlobalObject::get());
}
private:
GlobalClass(const GlobalClass&);
GlobalClass& operator=(const GlobalClass&);
};
} // namespace Java
#endif // SVN_JAVAHL_JNIWRAPPER_GLOBALREF_HPP
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