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