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
  21 #include "storagestream.hxx"
  22
  23 #include <com/sun/star/embed/ElementModes.hpp>
  24
  25 #include <tools/diagnose_ex.h>
  26
  27 //........................................................................
  28 namespace dbaccess
  29 {
  30 //........................................................................
  31
  32     /** === begin UNO using === **/
  33     using ::com::sun::star::uno::Reference;
  34     using ::com::sun::star::uno::XInterface;
  35     using ::com::sun::star::uno::UNO_QUERY;
  36     using ::com::sun::star::uno::UNO_QUERY_THROW;
  37     using ::com::sun::star::uno::UNO_SET_THROW;
  38     using ::com::sun::star::uno::Exception;
  39     using ::com::sun::star::uno::RuntimeException;
  40     using ::com::sun::star::uno::Any;
  41     using ::com::sun::star::uno::makeAny;
  42     using ::com::sun::star::uno::Sequence;
  43     using ::com::sun::star::uno::Type;
  44     using ::com::sun::star::embed::XStorage;
  45     using ::com::sun::star::io::XStream;
  46     /** === end UNO using === **/
  47     namespace ElementModes = ::com::sun::star::embed::ElementModes;
  48
  49     //====================================================================
  50     //= StorageOutputStream
  51     //====================================================================
  52     //--------------------------------------------------------------------
  53     StorageOutputStream::StorageOutputStream(   const ::comphelper::ComponentContext& i_rContext,
  54                                                 const Reference< XStorage >& i_rParentStorage,
  55                                                 const ::rtl::OUString& i_rStreamName
  56                                              )
  57         :m_rContext( i_rContext )
  58     {
  59         ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" );
  60
  61         const Reference< XStream > xStream(
  62             i_rParentStorage->openStreamElement( i_rStreamName, ElementModes::READWRITE ), UNO_QUERY_THROW );
  63         m_xOutputStream.set( xStream->getOutputStream(), UNO_SET_THROW );
  64     }
  65
  66     //--------------------------------------------------------------------
  67     StorageOutputStream::~StorageOutputStream()
  68     {
  69     }
  70
  71     //--------------------------------------------------------------------
  72     void StorageOutputStream::close()
  73     {
  74         ENSURE_OR_RETURN_VOID( m_xOutputStream.is(), "already closed" );
  75         m_xOutputStream->closeOutput();
  76         m_xOutputStream.clear();
  77
  78         // if you add additional functionality here, be aware that there are derived classes which
  79         // (legitimately) do not call this method here.
  80     }
  81
  82     //====================================================================
  83     //= StorageInputStream
  84     //====================================================================
  85     //--------------------------------------------------------------------
  86     StorageInputStream::StorageInputStream( const ::comphelper::ComponentContext& i_rContext,
  87                                             const Reference< XStorage >& i_rParentStorage,
  88                                             const ::rtl::OUString& i_rStreamName
  89                                           )
  90         :m_rContext( i_rContext )
  91     {
  92         ENSURE_OR_THROW( i_rParentStorage.is(), "illegal stream" );
  93
  94         const Reference< XStream > xStream(
  95             i_rParentStorage->openStreamElement( i_rStreamName, ElementModes::READ ), UNO_QUERY_THROW );
  96         m_xInputStream.set( xStream->getInputStream(), UNO_SET_THROW );
  97     }
  98
  99     //--------------------------------------------------------------------
 100     StorageInputStream::~StorageInputStream()
 101     {
 102     }
 103
 104     //--------------------------------------------------------------------
 105     void StorageInputStream::close()
 106     {
 107         ENSURE_OR_RETURN_VOID( m_xInputStream.is(), "already closed" );
 108         m_xInputStream->closeInput();
 109         m_xInputStream.clear();
 110
 111         // if you add additional functionality here, be aware that there are derived classes which
 112         // (legitimately) do not call this method here.
 113     }
 114
 115 //........................................................................
 116 } // namespace dbaccess
 117 //........................................................................
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */