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/compbase1.hxx"
  28 #include "cppuhelper/component_context.hxx"
  29 #include "jvmaccess/virtualmachine.hxx"
  30 #include "jvmaccess/unovirtualmachine.hxx"
  31 #include "osl/mutex.hxx"
  32
  33 namespace {
  34
  35 struct MutexHolder
  36 {
  37     ::osl::Mutex m_mutex;
  38 };
  39 typedef ::cppu::WeakComponentImplHelper1<
  40     css::lang::XSingleComponentFactory > t_impl;
  41
  42 class SingletonFactory : public MutexHolder, public t_impl
  43 {
  44     ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > m_vm_access;
  45
  46 protected:
  47     virtual void SAL_CALL disposing();
  48
  49 public:
  50     inline SingletonFactory( ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
  51         : t_impl( m_mutex ),
  52           m_vm_access( vm_access )
  53         {}
  54
  55     // XSingleComponentFactory impl
  56     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext(
  57         css::uno::Reference< css::uno::XComponentContext > const & xContext )
  58         throw (css::uno::Exception);
  59     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArgumentsAndContext(
  60         css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext )
  61         throw (css::uno::Exception);
  62 };
  63
  64 void SingletonFactory::disposing()
  65 {
  66     m_vm_access.clear();
  67 }
  68
  69 css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithContext(
  70     css::uno::Reference< css::uno::XComponentContext > const & xContext )
  71     throw (css::uno::Exception)
  72 {
  73     sal_Int64 handle = reinterpret_cast< sal_Int64 >( m_vm_access.get() );
  74     css::uno::Any arg(
  75         css::uno::makeAny(
  76             css::beans::NamedValue(
  77                 rtl::OUString(
  78                     RTL_CONSTASCII_USTRINGPARAM( "UnoVirtualMachine" ) ),
  79                 css::uno::makeAny( handle ) ) ) );
  80     return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
  81         ::rtl::OUString(
  82             RTL_CONSTASCII_USTRINGPARAM(
  83                 "com.sun.star.java.JavaVirtualMachine")),
  84         css::uno::Sequence< css::uno::Any >( &arg, 1 ), xContext );
  85 }
  86
  87 css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithArgumentsAndContext(
  88     css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext )
  89     throw (css::uno::Exception)
  90 {
  91     return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
  92         ::rtl::OUString(
  93             RTL_CONSTASCII_USTRINGPARAM(
  94                 "com.sun.star.java.JavaVirtualMachine")),
  95         args, xContext );
  96 }
  97
  98 }
  99
 100 namespace javaunohelper {
 101
 102 ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > create_vm_access(
 103     JNIEnv * jni_env, jobject loader )
 104 {
 105     JavaVM * vm;
 106     jni_env->GetJavaVM( &vm );
 107     try {
 108         return new ::jvmaccess::UnoVirtualMachine(
 109             new ::jvmaccess::VirtualMachine(
 110                 vm, JNI_VERSION_1_2, false, jni_env ),
 111             loader );
 112     } catch ( ::jvmaccess::UnoVirtualMachine::CreationException & ) {
 113         throw css::uno::RuntimeException(
 114             ::rtl::OUString(
 115                 RTL_CONSTASCII_USTRINGPARAM(
 116                     "jmvaccess::UnoVirtualMachine::CreationException"
 117                     " occurred" ) ),
 118             css::uno::Reference< css::uno::XInterface >() );
 119     }
 120 }
 121
 122 css::uno::Reference< css::uno::XComponentContext > install_vm_singleton(
 123     css::uno::Reference< ::css::uno::XComponentContext > const & xContext,
 124     ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
 125 {
 126     css::uno::Reference< css::lang::XSingleComponentFactory > xFac( new SingletonFactory( vm_access ) );
 127     ::cppu::ContextEntry_Init entry(
 128         ::rtl::OUString(
 129             RTL_CONSTASCII_USTRINGPARAM(
 130                 "/singletons/com.sun.star.java.theJavaVirtualMachine")),
 131         css::uno::makeAny( xFac ), true );
 132     return ::cppu::createComponentContext( &entry, 1, xContext );
 133 }
 134
 135 }
 136
 137 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */