84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* Copyright (C) 2010-2011 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef JAVA_CLASS_HXX
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#define JAVA_CLASS_HXX
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#include "Ref.hxx"
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#include <assert.h>
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namespace Java {
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/**
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* Wrapper for a local "jclass" reference.
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*/
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class Class : public Java::LocalRef<jclass> {
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public:
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Class(JNIEnv *env, jclass cls)
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:LocalRef<jclass>(env, cls) {}
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Class(JNIEnv *env, const char *name)
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:LocalRef<jclass>(env, env->FindClass(name)) {}
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};
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/**
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* Wrapper for a global "jclass" reference.
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*/
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class TrivialClass : public TrivialRef<jclass> {
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public:
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void Find(JNIEnv *env, const char *name) {
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assert(env != nullptr);
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assert(name != nullptr);
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jclass cls = env->FindClass(name);
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assert(cls != nullptr);
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Set(env, cls);
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env->DeleteLocalRef(cls);
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}
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bool FindOptional(JNIEnv *env, const char *name) {
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assert(env != nullptr);
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assert(name != nullptr);
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jclass cls = env->FindClass(name);
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if (cls == nullptr) {
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env->ExceptionClear();
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return false;
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}
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Set(env, cls);
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env->DeleteLocalRef(cls);
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return true;
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}
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};
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}
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#endif
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