stoc/source/registry_tdprovider/tdsingleton.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 <osl/diagnose.h>
  21 #include "base.hxx"
  22
  23 #include "com/sun/star/uno/RuntimeException.hpp"
  24
  25 using namespace com::sun::star;
  26
  27 namespace stoc_rdbtdp
  28 {
  29
  30 void SingletonTypeDescriptionImpl::init() {
  31     {
  32         MutexGuard guard(getMutex());
  33         if (_xInterfaceTD.is() || _xServiceTD.is()) {
  34             return;
  35         }
  36     }
  37     Reference< XTypeDescription > base;
  38     try {
  39         base = Reference< XTypeDescription >(
  40             _xTDMgr->getByHierarchicalName(_aBaseName), UNO_QUERY_THROW);
  41     } catch (NoSuchElementException const & e) {
  42         throw RuntimeException(
  43             (OUString(
  44                     "com.sun.star.container.NoSuchElementException: ")
  45              + e.Message),
  46             static_cast< OWeakObject * >(this));
  47     }
  48     MutexGuard guard(getMutex());
  49     if (!_xInterfaceTD.is() && !_xServiceTD.is()) {
  50         if (resolveTypedefs(base)->getTypeClass() == TypeClass_INTERFACE) {
  51             _xInterfaceTD = base;
  52         } else if (base->getTypeClass() == TypeClass_SERVICE) {
  53             _xServiceTD = Reference< XServiceTypeDescription >(
  54                 base, UNO_QUERY_THROW);
  55         } else {
  56             throw RuntimeException(
  57                 OUString(
  58                         "Singleton is based on neither interface nor service"),
  59                 static_cast< OWeakObject * >(this));
  60         }
  61     }
  62     OSL_ASSERT(_xInterfaceTD.is() ^ _xServiceTD.is());
  63 }
  64
  65 //__________________________________________________________________________________________________
  66 // virtual
  67 SingletonTypeDescriptionImpl::~SingletonTypeDescriptionImpl() {}
  68
  69 // XTypeDescription
  70 //__________________________________________________________________________________________________
  71 // virtual
  72 TypeClass SingletonTypeDescriptionImpl::getTypeClass()
  73     throw(::com::sun::star::uno::RuntimeException)
  74 {
  75     return TypeClass_SINGLETON;
  76 }
  77 //__________________________________________________________________________________________________
  78 // virtual
  79 OUString SingletonTypeDescriptionImpl::getName()
  80     throw(::com::sun::star::uno::RuntimeException)
  81 {
  82     return _aName;
  83 }
  84
  85 // XSingletonTypeDescription
  86 //__________________________________________________________________________________________________
  87 // virtual
  88 Reference< XServiceTypeDescription > SAL_CALL
  89 SingletonTypeDescriptionImpl::getService()
  90     throw(::com::sun::star::uno::RuntimeException)
  91 {
  92     init();
  93     return _xServiceTD;
  94 }
  95
  96 // XSingletonTypeDescription2
  97 //______________________________________________________________________________
  98 // virtual
  99 sal_Bool SAL_CALL
 100 SingletonTypeDescriptionImpl::isInterfaceBased()
 101     throw(::com::sun::star::uno::RuntimeException)
 102 {
 103     init();
 104     return _xInterfaceTD.is();
 105 }
 106
 107 //______________________________________________________________________________
 108 // virtual
 109 Reference< XTypeDescription > SAL_CALL
 110 SingletonTypeDescriptionImpl::getInterface()
 111     throw(::com::sun::star::uno::RuntimeException)
 112 {
 113     init();
 114     return _xInterfaceTD;
 115 }
 116
 117 }
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */