143 lines
4.6 KiB
C++
143 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <rtl/memory.h>
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#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
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#include <ucbhelper/cancelcommandexecution.hxx>
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#include <string.h>
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#include "gio_seekable.hxx"
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#include "gio_content.hxx"
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using namespace com::sun::star;
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namespace gio
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{
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Seekable::Seekable(GSeekable *pStream) : mpStream(pStream)
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{
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if (!mpStream)
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throw io::NotConnectedException();
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}
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Seekable::~Seekable( void )
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{
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}
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void SAL_CALL Seekable::truncate( void )
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throw( io::IOException, uno::RuntimeException )
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{
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if (!mpStream)
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throw io::NotConnectedException();
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if (!g_seekable_can_truncate(mpStream))
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throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Truncate unsupported")),
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static_cast< cppu::OWeakObject * >(this));
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GError *pError=NULL;
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if (!g_seekable_truncate(mpStream, 0, NULL, &pError))
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convertToException(pError, static_cast< cppu::OWeakObject * >(this));
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}
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void SAL_CALL Seekable::seek( sal_Int64 location )
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throw( lang::IllegalArgumentException, io::IOException, uno::RuntimeException )
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{
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if (!mpStream)
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throw io::NotConnectedException();
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if (!g_seekable_can_seek(mpStream))
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throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Seek unsupported")),
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static_cast< cppu::OWeakObject * >(this));
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GError *pError=NULL;
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if (!g_seekable_seek(mpStream, location, G_SEEK_SET, NULL, &pError))
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convertToException(pError, static_cast< cppu::OWeakObject * >(this));
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}
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sal_Int64 SAL_CALL Seekable::getPosition() throw( io::IOException, uno::RuntimeException )
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{
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if (!mpStream)
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throw io::NotConnectedException();
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return g_seekable_tell(mpStream);
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}
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sal_Int64 SAL_CALL Seekable::getLength() throw( io::IOException, uno::RuntimeException )
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{
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if (!mpStream)
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throw io::NotConnectedException();
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bool bOk = false;
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sal_uInt64 nSize = 0;
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GFileInfo* pInfo = G_IS_FILE_INPUT_STREAM(mpStream)
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? g_file_input_stream_query_info(G_FILE_INPUT_STREAM(mpStream), const_cast<char*>(G_FILE_ATTRIBUTE_STANDARD_SIZE), NULL, NULL)
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: g_file_output_stream_query_info(G_FILE_OUTPUT_STREAM(mpStream), const_cast<char*>(G_FILE_ATTRIBUTE_STANDARD_SIZE), NULL, NULL);
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if (pInfo)
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{
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if (g_file_info_has_attribute(pInfo, G_FILE_ATTRIBUTE_STANDARD_SIZE))
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{
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nSize = g_file_info_get_size(pInfo);
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bOk = true;
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}
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g_object_unref(pInfo);
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}
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if (!bOk)
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{
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GError *pError=NULL;
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sal_Int64 nCurr = getPosition();
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if (!g_seekable_seek(mpStream, 0, G_SEEK_END, NULL, &pError))
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convertToException(pError, static_cast< cppu::OWeakObject * >(this));
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nSize = getPosition();
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seek(nCurr);
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bOk = true;
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}
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if (!bOk)
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throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Getting size unsupported")),
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static_cast< cppu::OWeakObject * >(this));
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return nSize;
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}
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uno::Any Seekable::queryInterface( const uno::Type &type ) throw( uno::RuntimeException )
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{
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uno::Any aRet = ::cppu::queryInterface ( type,
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static_cast< XSeekable * >( this ) );
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if (!aRet.hasValue() && g_seekable_can_truncate(mpStream))
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aRet = ::cppu::queryInterface ( type, static_cast< XTruncate * >( this ) );
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return aRet.hasValue() ? aRet : OWeakObject::queryInterface( type );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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