Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/include/jvmaccess/unovirtualmachine.hxx b/include/jvmaccess/unovirtualmachine.hxx
new file mode 100644
index 000000000..1b424dba9
--- /dev/null
+++ b/include/jvmaccess/unovirtualmachine.hxx
@@ -0,0 +1,100 @@
+/* -*- 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: */