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+/*
+ * 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