jvmaccess/source/unovirtualmachine.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <jvmaccess/unovirtualmachine.hxx>
  23
  24 #include <jvmaccess/virtualmachine.hxx>
  25 #include <sal/log.hxx>
  26 #include <utility>
  27
  28 #include <jni.h>
  29
  30 namespace jvmaccess {
  31
  32 UnoVirtualMachine::CreationException::CreationException() {}
  33
  34 UnoVirtualMachine::CreationException::CreationException(
  35     CreationException const &)
  36 {}
  37
  38 UnoVirtualMachine::CreationException &
  39 UnoVirtualMachine::CreationException::operator =(CreationException const &) {
  40     return *this;
  41 }
  42
  43 UnoVirtualMachine::UnoVirtualMachine(
  44     rtl::Reference< jvmaccess::VirtualMachine > virtualMachine,
  45     void * classLoader):
  46     m_virtualMachine(std::move(virtualMachine)),
  47     m_classLoader(nullptr)
  48 {
  49     try {
  50         m_classLoader =
  51             jvmaccess::VirtualMachine::AttachGuard(m_virtualMachine).
  52             getEnvironment()->NewGlobalRef(static_cast< jobject >(classLoader));
  53     } catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &) {}
  54     if (m_classLoader == nullptr) {
  55         throw CreationException();
  56     }
  57 }
  58
  59 const rtl::Reference< jvmaccess::VirtualMachine >&
  60 UnoVirtualMachine::getVirtualMachine() const {
  61     return m_virtualMachine;
  62 }
  63
  64 UnoVirtualMachine::~UnoVirtualMachine() {
  65     try {
  66         jvmaccess::VirtualMachine::AttachGuard(m_virtualMachine).
  67             getEnvironment()->DeleteGlobalRef(
  68                 static_cast< jobject >(m_classLoader));
  69     } catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &) {
  70         SAL_INFO(
  71             "jvmaccess",
  72             "ignored"
  73                 " jvmaccess::VirtualMachine::AttachGuard::CreationException");
  74     }
  75 }
  76
  77 }
  78
  79 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */