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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/jvmaccess/unovirtualmachine.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * 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 .
+ */
+
+#ifndef INCLUDED_JVMACCESS_UNOVIRTUALMACHINE_HXX
+#define INCLUDED_JVMACCESS_UNOVIRTUALMACHINE_HXX
+
+#include <jvmaccess/jvmaccessdllapi.h>
+#include <sal/config.h>
+#include <salhelper/simplereferenceobject.hxx>
+#include <rtl/ref.hxx>
+
+namespace jvmaccess
+{
+class VirtualMachine;
+
+/** An encapsulating wrapper around a Java virtual machine and an appropriate
+ UNO class loader.
+ */
+class JVMACCESS_DLLPUBLIC UnoVirtualMachine final : public salhelper::SimpleReferenceObject
+{
+public:
+ /** An exception indicating failure to create a UnoVirtualMachine.
+ */
+ class JVMACCESS_DLLPUBLIC CreationException final
+ {
+ public:
+ CreationException();
+
+ CreationException(CreationException const&);
+
+ CreationException& operator=(CreationException const&);
+ };
+
+ /** Create a wrapper around a Java virtual machine and an appropriate UNO
+ class loader.
+
+ @param virtualMachine
+ A Java virtual machine wrapper. Must not be null.
+
+ @param classLoader
+ A local or global JNI reference, relative to the given virtualMachine,
+ to an appropriate UNO class loader instance. Must not be null. This
+ parameter should be of type jobject, not void *, but the exact
+ definition of jobject is different for different JDK versions, so that
+ the mangled C++ name of the constructor would depend on the JDK version
+ used at compile time.
+
+ @exception CreationException
+ Thrown in case creation fails (due to a JNI problem).
+ */
+ UnoVirtualMachine(rtl::Reference<jvmaccess::VirtualMachine> virtualMachine, void* classLoader);
+
+ /** Get the Java virtual machine wrapper.
+
+ @return
+ The Java virtual machine wrapper. Will never be null.
+ */
+ const rtl::Reference<jvmaccess::VirtualMachine>& getVirtualMachine() const;
+
+ /** Get the UNO class loader.
+
+ @return
+ A global JNI reference to the UNO class loader. (The JNI reference must
+ not be deleted by client code.) Will never be null. This should be of
+ type jobject, not void *, but the exact definition of jobject is
+ different for different JDK versions, so that the mangled C++ name of
+ the function would depend on the JDK version used at compile time.
+ */
+ void* getClassLoader() const { return m_classLoader; }
+
+private:
+ UnoVirtualMachine(UnoVirtualMachine const&) = delete;
+ UnoVirtualMachine& operator=(UnoVirtualMachine const&) = delete;
+
+ virtual ~UnoVirtualMachine() override;
+
+ rtl::Reference<jvmaccess::VirtualMachine> m_virtualMachine;
+ void* m_classLoader;
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */