comphelper/source/processfactory/processfactory.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 #include <mutex>
  21 #include <comphelper/processfactory.hxx>
  22
  23 #include <com/sun/star/beans/XPropertySet.hpp>
  24 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  25 #include <com/sun/star/uno/DeploymentException.hpp>
  26 #include <com/sun/star/uno/XComponentContext.hpp>
  27
  28 namespace com::sun::star::uno { class XComponentContext; }
  29
  30 using namespace ::com::sun::star;
  31 using namespace com::sun::star::uno;
  32 using namespace com::sun::star::lang;
  33 using namespace osl;
  34
  35 namespace comphelper
  36 {
  37
  38 namespace {
  39
  40 class LocalProcessFactory {
  41 public:
  42     void set( const Reference< XMultiServiceFactory >& xSMgr )
  43     {
  44         std::unique_lock aGuard( maMutex );
  45
  46         xProcessFactory = xSMgr;
  47     }
  48
  49     Reference< XMultiServiceFactory > get() const
  50     {
  51         std::unique_lock aGuard( maMutex );
  52
  53         return xProcessFactory;
  54     }
  55
  56 private:
  57     mutable std::mutex maMutex;
  58     Reference< XMultiServiceFactory > xProcessFactory;
  59 };
  60
  61 /*
  62     This var preserves only that the above xProcessFactory variable will not be create when
  63     the library is loaded.
  64 */
  65 LocalProcessFactory localProcessFactory;
  66
  67 }
  68
  69 void setProcessServiceFactory(const Reference< XMultiServiceFactory >& xSMgr)
  70 {
  71     localProcessFactory.set( xSMgr );
  72 }
  73
  74 Reference< XMultiServiceFactory > getProcessServiceFactory()
  75 {
  76     Reference< XMultiServiceFactory> xReturn = localProcessFactory.get();
  77     if ( !xReturn.is() )
  78     {
  79         throw DeploymentException( "null process service factory" );
  80     }
  81     return xReturn;
  82 }
  83
  84 Reference< XComponentContext > getComponentContext(
  85     Reference< XMultiServiceFactory > const & factory)
  86 {
  87     Reference< XComponentContext > xRet;
  88     uno::Reference<beans::XPropertySet> const xProps( factory, uno::UNO_QUERY );
  89     if (xProps.is()) {
  90         static constexpr OUStringLiteral DEFAULT_CONTEXT = u"DefaultContext";
  91         try {
  92             xRet.set( xProps->getPropertyValue(DEFAULT_CONTEXT),
  93                       uno::UNO_QUERY );
  94         }
  95         catch (beans::UnknownPropertyException & e) {
  96             throw DeploymentException(
  97                 "unknown service factory DefaultContext property: " + e.Message,
  98                 Reference<XInterface>(factory, UNO_QUERY) );
  99         }
 100     }
 101     if ( !xRet.is() )
 102     {
 103         throw DeploymentException(
 104             "no service factory DefaultContext",
 105             Reference<XInterface>(factory, UNO_QUERY) );
 106     }
 107     return xRet;
 108 }
 109
 110 Reference< XComponentContext > getProcessComponentContext()
 111 {
 112     return getComponentContext( getProcessServiceFactory() );
 113 }
 114
 115 } // namespace comphelper
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */