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Diffstat (limited to 'jvmaccess/inc/jvmaccess/virtualmachine.hxx')
| -rw-r--r-- | jvmaccess/inc/jvmaccess/virtualmachine.hxx | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/jvmaccess/inc/jvmaccess/virtualmachine.hxx b/jvmaccess/inc/jvmaccess/virtualmachine.hxx deleted file mode 100644 index 57ac5ead39f4..000000000000 --- a/jvmaccess/inc/jvmaccess/virtualmachine.hxx +++ /dev/null @@ -1,151 +0,0 @@ -/* -*- 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_VIRTUALMACHINE_HXX -#define INCLUDED_JVMACCESS_VIRTUALMACHINE_HXX - -#include "jvmaccessdllapi.h" -#include "rtl/ref.hxx" -#include "salhelper/simplereferenceobject.hxx" - -#include "jni.h" - -namespace jvmaccess { - -/** An encapsulating wrapper around a Java virtual machine. - */ -class JVMACCESS_DLLPUBLIC VirtualMachine: public salhelper::SimpleReferenceObject -{ -public: - /** A helper to attach a thread to a Java virtual machine. - - @descr - Upon construction of a guard the current thread is attached to the - virtual machine, and upon destruction of the guard the thread is - detached again. For any one thread, multiple instances of this class - may be used in a stack-like fashion (care is taken to only really - detach the thread from the virtual machine upon destruction of the guard - at the bottom of the stack). - */ - class JVMACCESS_DLLPUBLIC AttachGuard - { - public: - /** An exception indicating failure to create an AttachGuard. - */ - class JVMACCESS_DLLPUBLIC CreationException - { - public: - CreationException(); - - CreationException(CreationException const &); - - virtual ~CreationException(); - - CreationException & operator =(CreationException const &); - }; - - /** Attach the current thread to a virtual machine. - - @param rMachine - The virtual machine to attach to. Must not be a null reference. - - @exception CreationException - Thrown in case attaching fails (due to a JNI problem). - */ - explicit AttachGuard(rtl::Reference< VirtualMachine > const & rMachine); - - /** Detach the current thread from the virtual machine again. - */ - ~AttachGuard(); - - /** Get a JNI environment pointer for the current thread. - - @return - A valid JNI environment pointer. Will never be null. - */ - inline JNIEnv * getEnvironment() const { return m_pEnvironment; } - - private: - AttachGuard(AttachGuard &); // not implemented - void operator =(AttachGuard); // not implemented - - rtl::Reference< VirtualMachine > m_xMachine; - JNIEnv * m_pEnvironment; - bool m_bDetach; - }; - - /** Create a wrapper around a Java virtual machine. - - @param pVm - A JNI pointer to virtual machine. Must not be null. - - @param nVersion - The JNI version of the virtual machine pointed to by pVm. Must be at - least JNI_VERSION_1_2. This parameter should be of type jint, not int, - but at least on some platforms the definition of jint changed from - JDK 1.3 (long) to JDK 1.4 (int), so that the mangled C++ name of the - constructor would depend on the JDK version used at compile time. - - @param bDestroy - Whether to destroy the virtual machine when destructing the wrapper - (i.e., whether the wrapper owns the virtual machine pointed to by pVm). - - @param pMainThreadEnv - A valid JNI environment pointer for the current thread; must not be - null. The current thread must be "initially attached" to the virtual - machine while this constructor is being called (i.e., it must be the - thread that has called JNI_CreateJavaVM in case the virtual machine has - been started via the JNI Invocation API, and it must not already have - called DetachCurrentThread; or it must be executing native code called - from a "primordial" virtual machine). This environment pointer was - formerly used to obtain a reference to the thread's current context - class loader (java.lang.Thread.getCurrentClassLoader; if later a native - thread was attached to the virtual machine, that thread's context class - loader would be null, so the AttachGuard first of all set it to the - saved value; this feature has been removed again for performance reasons - and because the default context class loader is often not useful, so - that code relying on a context class loader has to set one explicitly, - anyway). This parameter is currently unused (but may be used again in - the future). - */ - VirtualMachine(JavaVM * pVm, int nVersion, bool bDestroy, - JNIEnv * pMainThreadEnv); - -private: - VirtualMachine(VirtualMachine &); // not implemented - void operator =(VirtualMachine); // not implemented - - virtual ~VirtualMachine(); - - JNIEnv * attachThread(bool * pAttached) const; - - void detachThread() const; - - JavaVM * m_pVm; - jint m_nVersion; - bool m_bDestroy; - - friend class AttachGuard; // to access attachThread, detachThread -}; - -} - -#endif // INCLUDED_JVMACCESS_VIRTUALMACHINE_HXX - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |