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/*
* Copyright 2010-2018 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef JAVA_CLASS_HXX
#define JAVA_CLASS_HXX
#include "Ref.hxx"
#include "Exception.hxx"
#include <assert.h>
namespace Java {
/**
* Wrapper for a local "jclass" reference.
*/
class Class : public LocalRef<jclass> {
public:
Class(JNIEnv *env, jclass cls) noexcept
:LocalRef<jclass>(env, cls) {}
Class(JNIEnv *env, const char *name) noexcept
:LocalRef<jclass>(env, env->FindClass(name)) {}
};
/**
* Wrapper for a global "jclass" reference.
*/
class TrivialClass : public TrivialRef<jclass> {
public:
void Find(JNIEnv *env, const char *name) noexcept {
assert(env != nullptr);
assert(name != nullptr);
jclass cls = env->FindClass(name);
assert(cls != nullptr);
Set(env, cls);
env->DeleteLocalRef(cls);
}
bool FindOptional(JNIEnv *env, const char *name) noexcept {
assert(env != nullptr);
assert(name != nullptr);
jclass cls = env->FindClass(name);
if (DiscardException(env))
return false;
Set(env, cls);
env->DeleteLocalRef(cls);
return true;
}
};
}
#endif
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