connectivity/source/commontools/BlobHelper.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 #include <connectivity/BlobHelper.hxx>
  20 #include <comphelper/seqstream.hxx>
  21 #include <connectivity/dbexception.hxx>
  22 #include <com/sun/star/sdbc/SQLException.hpp>
  23
  24 using namespace connectivity;
  25 using namespace dbtools;
  26 using namespace ::com::sun::star::sdbc;
  27 using namespace ::com::sun::star::uno;
  28
  29 BlobHelper::BlobHelper(const css::uno::Sequence< sal_Int8 >& _val) : m_aValue(_val)
  30 {
  31 }
  32
  33 ::sal_Int64 SAL_CALL BlobHelper::length(  )
  34 {
  35     return m_aValue.getLength();
  36 }
  37
  38 css::uno::Sequence< ::sal_Int8 > SAL_CALL BlobHelper::getBytes( ::sal_Int64 pos, ::sal_Int32 _length )
  39 {
  40     if ( sal_Int32(pos + _length) > m_aValue.getLength() )
  41         throw css::sdbc::SQLException();
  42     return css::uno::Sequence< ::sal_Int8 >(m_aValue.getConstArray() + sal_Int32(pos),_length);
  43 }
  44
  45 css::uno::Reference< css::io::XInputStream > SAL_CALL BlobHelper::getBinaryStream(  )
  46 {
  47     return new ::comphelper::SequenceInputStream(m_aValue);
  48 }
  49
  50
  51 // The "return" after a call to throwFeatureNotImplementedSQLException()
  52 // (which always throws) will be detected as unreachable when doing
  53 // global inlining.
  54
  55 SAL_WNOUNREACHABLE_CODE_PUSH
  56
  57 ::sal_Int64 SAL_CALL BlobHelper::position( const css::uno::Sequence< ::sal_Int8 >& /*pattern*/, ::sal_Int64 /*start*/ )
  58 {
  59     ::dbtools::throwFeatureNotImplementedSQLException( "XBlob::position", *this );
  60     return 0;
  61 }
  62
  63 ::sal_Int64 SAL_CALL BlobHelper::positionOfBlob( const css::uno::Reference< css::sdbc::XBlob >& /*pattern*/, ::sal_Int64 /*start*/ )
  64 {
  65     ::dbtools::throwFeatureNotImplementedSQLException( "XBlob::positionOfBlob", *this );
  66     return 0;
  67 }
  68
  69 SAL_WNOUNREACHABLE_CODE_POP
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */