stoc/source/javavm/javavm.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   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
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   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 #ifndef INCLUDED_STOC_SOURCE_JAVAVM_JAVAVM_HXX
  21 #define INCLUDED_STOC_SOURCE_JAVAVM_JAVAVM_HXX
  22
  23 #include "jvmargs.hxx"
  24
  25 #include <com/sun/star/container/XContainerListener.hpp>
  26 #include <com/sun/star/lang/XInitialization.hpp>
  27 #include <com/sun/star/java/XJavaThreadRegister_11.hpp>
  28 #include <com/sun/star/java/XJavaVM.hpp>
  29 #include <com/sun/star/lang/XServiceInfo.hpp>
  30 #include <com/sun/star/uno/Reference.hxx>
  31 #include <cppuhelper/basemutex.hxx>
  32 #include <cppuhelper/compbase.hxx>
  33 #include <osl/thread.hxx>
  34 #include <rtl/ref.hxx>
  35 #include <rtl/ustring.hxx>
  36
  37 namespace com { namespace sun { namespace star {
  38     namespace container { class XContainer; }
  39     namespace uno { class XComponentContext; }
  40 } } }
  41 namespace jvmaccess {
  42     class UnoVirtualMachine;
  43     class VirtualMachine;
  44 }
  45
  46 namespace stoc_javavm {
  47
  48 // The MS compiler needs a typedef here, so the JavaVirtualMachine ctor can call
  49 // its base class ctor:
  50 typedef
  51 cppu::WeakComponentImplHelper< css::lang::XInitialization,
  52                                 css::lang::XServiceInfo,
  53                                 css::java::XJavaVM,
  54                                 css::java::XJavaThreadRegister_11,
  55                                 css::container::XContainerListener >
  56 JavaVirtualMachine_Impl;
  57
  58 class JavaVirtualMachine:
  59     private cppu::BaseMutex, public JavaVirtualMachine_Impl
  60 {
  61 public:
  62     explicit JavaVirtualMachine(
  63         css::uno::Reference<
  64             css::uno::XComponentContext > const & rContext);
  65
  66     // XInitialization
  67     virtual void SAL_CALL
  68     initialize(css::uno::Sequence< css::uno::Any > const &
  69                    rArguments) override;
  70
  71     // XServiceInfo
  72     virtual OUString SAL_CALL getImplementationName() override;
  73
  74     virtual sal_Bool SAL_CALL
  75     supportsService(OUString const & rServiceName) override;
  76
  77     virtual css::uno::Sequence< OUString > SAL_CALL
  78     getSupportedServiceNames() override;
  79
  80     // XJavaVM
  81     virtual css::uno::Any SAL_CALL
  82     getJavaVM(css::uno::Sequence< sal_Int8 > const & rProcessId) override;
  83
  84     virtual sal_Bool SAL_CALL isVMStarted() override;
  85
  86     virtual sal_Bool SAL_CALL isVMEnabled() override;
  87
  88     // XJavaThreadRegister_11
  89     virtual sal_Bool SAL_CALL isThreadAttached() override;
  90
  91     virtual void SAL_CALL registerThread() override;
  92
  93     virtual void SAL_CALL revokeThread() override;
  94
  95     // XContainerListener
  96     virtual void SAL_CALL
  97     disposing(css::lang::EventObject const & rSource) override;
  98
  99     virtual void SAL_CALL
 100     elementInserted(css::container::ContainerEvent const & rEvent) override;
 101
 102     virtual void SAL_CALL
 103     elementRemoved(css::container::ContainerEvent const & rEvent) override;
 104
 105     virtual void SAL_CALL
 106     elementReplaced(css::container::ContainerEvent const & rEvent) override;
 107
 108 private:
 109     JavaVirtualMachine(JavaVirtualMachine &) = delete;
 110     void operator =(const JavaVirtualMachine&) = delete;
 111
 112     virtual ~JavaVirtualMachine() override;
 113
 114     virtual void SAL_CALL disposing() override;
 115
 116     void registerConfigChangesListener();
 117
 118     void setINetSettingsInVM(bool set_reset);
 119
 120     void setUpUnoVirtualMachine(JNIEnv * environment);
 121
 122     void handleJniException(JNIEnv * environment);
 123
 124     css::uno::Reference< css::uno::XComponentContext >
 125         m_xContext;
 126
 127     // the following are controlled by BaseMutex::m_aMutex:
 128     bool m_bDisposed;
 129     rtl::Reference< jvmaccess::VirtualMachine > m_xVirtualMachine;
 130     rtl::Reference< jvmaccess::UnoVirtualMachine > m_xUnoVirtualMachine;
 131     JavaVM * m_pJavaVm;
 132         // If the first creation of Java failed and this flag is set then the
 133         // next call to getJavaVM throws a RuntimException.  This is useful when
 134         // the second attempt to create Java might cause a crash.
 135     css::uno::Reference< css::container::XContainer >
 136         m_xInetConfiguration;
 137     css::uno::Reference< css::container::XContainer >
 138         m_xJavaConfiguration; // for Java settings
 139
 140     osl::ThreadData m_aAttachGuards;
 141 };
 142
 143 }
 144
 145 #endif // INCLUDED_STOC_SOURCE_JAVAVM_JAVAVM_HXX
 146
 147 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */