javaunohelper/source/vm.cxx

   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
  21 #include <sal/config.h>
  22
  23 #include "vm.hxx"
  24
  25 #include <com/sun/star/beans/NamedValue.hpp>
  26 #include <com/sun/star/lang/XSingleComponentFactory.hpp>
  27 #include <cppuhelper/compbase.hxx>
  28 #include <cppuhelper/component_context.hxx>
  29 #include <cppuhelper/basemutex.hxx>
  30 #include <jvmaccess/virtualmachine.hxx>
  31 #include <jvmaccess/unovirtualmachine.hxx>
  32
  33 namespace {
  34
  35 typedef ::cppu::WeakComponentImplHelper<
  36     css::lang::XSingleComponentFactory > t_impl;
  37
  38 class SingletonFactory : public cppu::BaseMutex, public t_impl
  39 {
  40     ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > m_vm_access;
  41
  42 protected:
  43     virtual void SAL_CALL disposing() override;
  44
  45 public:
  46     explicit SingletonFactory( ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
  47         : t_impl( m_aMutex ),
  48           m_vm_access( vm_access )
  49         {}
  50
  51     // XSingleComponentFactory impl
  52     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext(
  53         css::uno::Reference< css::uno::XComponentContext > const & xContext ) override;
  54     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArgumentsAndContext(
  55         css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext ) override;
  56 };
  57
  58 void SingletonFactory::disposing()
  59 {
  60     m_vm_access.clear();
  61 }
  62
  63 css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithContext(
  64     css::uno::Reference< css::uno::XComponentContext > const & xContext )
  65 {
  66     sal_Int64 handle = reinterpret_cast< sal_Int64 >( m_vm_access.get() );
  67     css::uno::Any arg( css::beans::NamedValue( "UnoVirtualMachine", css::uno::makeAny( handle ) ) );
  68     return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
  69         "com.sun.star.java.JavaVirtualMachine",
  70         css::uno::Sequence< css::uno::Any >( &arg, 1 ), xContext );
  71 }
  72
  73 css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithArgumentsAndContext(
  74     css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext )
  75 {
  76     return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
  77         "com.sun.star.java.JavaVirtualMachine",
  78         args, xContext );
  79 }
  80
  81 }
  82
  83 namespace javaunohelper {
  84
  85 ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > create_vm_access(
  86     JNIEnv * jni_env, jobject loader )
  87 {
  88     JavaVM * vm;
  89     jni_env->GetJavaVM( &vm );
  90     try {
  91         return new ::jvmaccess::UnoVirtualMachine(
  92             new ::jvmaccess::VirtualMachine(
  93                 vm, JNI_VERSION_1_2, false, jni_env ),
  94             loader );
  95     } catch ( ::jvmaccess::UnoVirtualMachine::CreationException & ) {
  96         throw css::uno::RuntimeException( "jvmaccess::UnoVirtualMachine::CreationException occurred" );
  97     }
  98 }
  99
 100 css::uno::Reference< css::uno::XComponentContext > install_vm_singleton(
 101     css::uno::Reference< css::uno::XComponentContext > const & xContext,
 102     ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
 103 {
 104     css::uno::Reference< css::lang::XSingleComponentFactory > xFac( new SingletonFactory( vm_access ) );
 105     ::cppu::ContextEntry_Init entry(
 106         "/singletons/com.sun.star.java.theJavaVirtualMachine",
 107         css::uno::makeAny( xFac ), true );
 108     return ::cppu::createComponentContext( &entry, 1, xContext );
 109 }
 110
 111 }
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */