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Diffstat (limited to 'src/java/Class.hxx')
-rw-r--r-- | src/java/Class.hxx | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/java/Class.hxx b/src/java/Class.hxx new file mode 100644 index 000000000..9496ee67d --- /dev/null +++ b/src/java/Class.hxx @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2010-2011 Max Kellermann <max@duempel.org> + * + * 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 <assert.h> + +namespace Java { + /** + * Wrapper for a local "jclass" reference. + */ + class Class : public Java::LocalRef<jclass> { + public: + Class(JNIEnv *env, jclass cls) + :LocalRef<jclass>(env, cls) {} + + Class(JNIEnv *env, const char *name) + :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) { + 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) { + assert(env != nullptr); + assert(name != nullptr); + + jclass cls = env->FindClass(name); + if (cls == nullptr) { + env->ExceptionClear(); + return false; + } + + Set(env, cls); + env->DeleteLocalRef(cls); + return true; + } + }; +} + +#endif |