ucb/workben/cachemap/cachemapobjectcontainer2.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 "cachemapobjectcontainer2.hxx"
  21 #include "cachemapobject2.hxx"
  22 #include "com/sun/star/uno/Reference.hxx"
  23 #include "com/sun/star/uno/XWeak.hpp"
  24 #include "cppuhelper/weakref.hxx"
  25 #include "osl/mutex.hxx"
  26 #include "rtl/ref.hxx"
  27 #include "rtl/ustring.hxx"
  28
  29 using ucb::cachemap::Object2;
  30 using ucb::cachemap::ObjectContainer2;
  31 using namespace com::sun::star;
  32
  33 ObjectContainer2::ObjectContainer2()
  34 {}
  35
  36 ObjectContainer2::~ObjectContainer2() SAL_THROW(())
  37 {}
  38
  39 rtl::Reference< Object2 > ObjectContainer2::get(OUString const & rKey)
  40 {
  41     rtl::Reference< Object2 > xElement;
  42     {
  43         osl::MutexGuard aGuard(m_aMutex);
  44         Map::iterator aIt(m_aMap.find(rKey));
  45         if (aIt != m_aMap.end())
  46             xElement = static_cast< Object2 * >(
  47                            uno::Reference< uno::XWeak >(
  48                                    aIt->second.get(), uno::UNO_QUERY).
  49                                get());
  50         if (!xElement.is())
  51         {
  52             xElement = new Object2;
  53             m_aMap[rKey]
  54                 = uno::WeakReference< Object2 >(xElement.get());
  55         }
  56     }
  57     return xElement;
  58 }
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */