dbaccess/source/core/recovery/storagestream.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 "storagestream.hxx"
  21
  22 #include <com/sun/star/embed/ElementModes.hpp>
  23
  24 #include <tools/diagnose_ex.h>
  25
  26 namespace dbaccess
  27 {
  28
  29     using ::com::sun::star::uno::Reference;
  30     using ::com::sun::star::uno::XInterface;
  31     using ::com::sun::star::uno::UNO_QUERY;
  32     using ::com::sun::star::uno::UNO_QUERY_THROW;
  33     using ::com::sun::star::uno::UNO_SET_THROW;
  34     using ::com::sun::star::uno::Exception;
  35     using ::com::sun::star::uno::RuntimeException;
  36     using ::com::sun::star::uno::Any;
  37     using ::com::sun::star::uno::makeAny;
  38     using ::com::sun::star::uno::Sequence;
  39     using ::com::sun::star::uno::Type;
  40     using ::com::sun::star::uno::XComponentContext;
  41     using ::com::sun::star::embed::XStorage;
  42     using ::com::sun::star::io::XStream;
  43
  44     namespace ElementModes = ::com::sun::star::embed::ElementModes;
  45
  46     // StorageOutputStream
  47     StorageOutputStream::StorageOutputStream(   const Reference<XComponentContext>& i_rContext,
  48                                                 const Reference< XStorage >& i_rParentStorage,
  49                                                 const OUString& i_rStreamName
  50                                              )
  51         :m_rContext( i_rContext )
  52     {
  53         ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" );
  54
  55         const Reference< XStream > xStream(
  56             i_rParentStorage->openStreamElement( i_rStreamName, ElementModes::READWRITE ), UNO_QUERY_THROW );
  57         m_xOutputStream.set( xStream->getOutputStream(), UNO_SET_THROW );
  58     }
  59
  60     StorageOutputStream::~StorageOutputStream()
  61     {
  62     }
  63
  64     void StorageOutputStream::close()
  65     {
  66         ENSURE_OR_RETURN_VOID( m_xOutputStream.is(), "already closed" );
  67         m_xOutputStream->closeOutput();
  68         m_xOutputStream.clear();
  69
  70         // if you add additional functionality here, be aware that there are derived classes which
  71         // (legitimately) do not call this method here.
  72     }
  73
  74     // StorageInputStream
  75     StorageInputStream::StorageInputStream( const Reference<XComponentContext>& i_rContext,
  76                                             const Reference< XStorage >& i_rParentStorage,
  77                                             const OUString& i_rStreamName
  78                                           )
  79         :m_rContext( i_rContext )
  80     {
  81         ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" );
  82
  83         const Reference< XStream > xStream(
  84             i_rParentStorage->openStreamElement( i_rStreamName, ElementModes::READ ), UNO_QUERY_THROW );
  85         m_xInputStream.set( xStream->getInputStream(), UNO_SET_THROW );
  86     }
  87
  88     StorageInputStream::~StorageInputStream()
  89     {
  90     }
  91
  92     void StorageInputStream::close()
  93     {
  94         ENSURE_OR_RETURN_VOID( m_xInputStream.is(), "already closed" );
  95         m_xInputStream->closeInput();
  96         m_xInputStream.clear();
  97
  98         // if you add additional functionality here, be aware that there are derived classes which
  99         // (legitimately) do not call this method here.
 100     }
 101
 102 } // namespace dbaccess
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */