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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include "localoutputstream.hxx"
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/configuration/backend/InsufficientAccessRightsException.hpp>
namespace configmgr { namespace localbe {
//==============================================================================
//------------------------------------------------------------------------------
LocalOutputStream::LocalOutputStream(const rtl::OUString& aFileUrl)
throw (backend::BackendAccessException, uno::RuntimeException)
: mFileUrl(aFileUrl)
, mTemporaryFileUrl(mFileUrl)
, mWriteFile(NULL)
{
// First, ensure the directory where the file is supposed to be
// put exists.
mTemporaryFileUrl += rtl::OUString::createFromAscii("_tmp") ;
rtl::OUString parentDirectory = FileHelper::getParentDir(aFileUrl) ;
if (osl::File::RC errorCode = FileHelper::mkdirs(parentDirectory))
{
rtl::OUStringBuffer message ;
message.appendAscii("Cannot create directory \"") ;
message.append(parentDirectory).appendAscii("\". Error is ") ;
message.append(FileHelper::createOSLErrorString(errorCode));
message.appendAscii(" [").append(sal_Int32(errorCode)).appendAscii("].") ;
rtl::OUString const sIOMsg = message.makeStringAndClear();
uno::Any ioe = uno::makeAny(io::IOException(sIOMsg,0));
switch (errorCode)
{
case osl::File::E_ACCES:
case osl::File::E_ROFS:
message.appendAscii("Configuration LocalOutputStream - No Write Access: ");
message.append(sIOMsg);
throw backend::InsufficientAccessRightsException(message.makeStringAndClear(), NULL, ioe) ;
case osl::File::E_None: OSL_ASSERT(!"can't happen");
default:
message.appendAscii("Configuration LocalOutputStream - IO Error: ");
message.append(sIOMsg);
throw backend::BackendAccessException(message.makeStringAndClear(), NULL, ioe) ;
}
}
osl::File::remove(mTemporaryFileUrl) ;
mWriteFile = new osl::File(mTemporaryFileUrl) ;
if (osl::File::RC errorCode = mWriteFile->open(OpenFlag_Write | OpenFlag_Create) )
{
delete mWriteFile, mWriteFile = NULL;
rtl::OUStringBuffer message ;
message.appendAscii("Cannot open file \"") ;
message.append(mTemporaryFileUrl).appendAscii("\" for writing. ");
message.appendAscii("Error is ").append(FileHelper::createOSLErrorString(errorCode));
message.appendAscii(" [").append(sal_Int32(errorCode)).appendAscii("].") ;
rtl::OUString const sIOMsg = message.makeStringAndClear();
uno::Any ioe = uno::makeAny(io::IOException(sIOMsg,0));
switch (errorCode)
{
case osl::File::E_EXIST: // take inability to remove as indicator of missing rights
case osl::File::E_ACCES:
case osl::File::E_ROFS:
message.appendAscii("Configuration LocalOutputStream - No Write Access: ");
message.append(sIOMsg);
throw backend::InsufficientAccessRightsException(message.makeStringAndClear(), NULL, ioe) ;
case osl::File::E_None: OSL_ASSERT(!"can't happen");
default:
message.appendAscii("Configuration LocalOutputStream - IO Error: ");
message.append(sIOMsg);
throw backend::BackendAccessException(message.makeStringAndClear(), NULL, ioe) ;
}
}
mTemporaryFile = new OSLOutputStreamWrapper(*mWriteFile) ;
}
//------------------------------------------------------------------------------
LocalOutputStream::~LocalOutputStream()
{
try
{
this->closeOutput();
}
catch (uno::Exception&)
{
OSL_ENSURE(false,"Exception from closing LocalOutputStream ignored.");
}
delete mWriteFile;
}
//------------------------------------------------------------------------------
void LocalOutputStream::finishOutput()
throw (backend::BackendAccessException, uno::RuntimeException)
{
if (mWriteFile)
try
{
this->closeOutput();
delete mWriteFile, mWriteFile = NULL;
FileHelper::replaceFile(mFileUrl, mTemporaryFileUrl) ;
}
catch (io::IOException& ioe)
{
rtl::OUStringBuffer message ;
message.appendAscii("Configuration LocalOutputStream - IO Error: ");
message.appendAscii("Cannot finish output to \"").append(mTemporaryFileUrl) ;
message.appendAscii("\" or copy the result to \"").append(mFileUrl).appendAscii("\". ");
message.appendAscii("Error is \"").append(ioe.Message).appendAscii("\". ");
throw backend::BackendAccessException(message.makeStringAndClear(), *this, uno::makeAny(ioe));
}
}
//------------------------------------------------------------------------------
inline
uno::Reference<io::XOutputStream> LocalOutputStream::getOutputFile()
{
if (!mTemporaryFile.is())
{
throw io::NotConnectedException(
rtl::OUString::createFromAscii("LocalOutputStream: no output file."),
*this);
}
return mTemporaryFile;
}
//------------------------------------------------------------------------------
void SAL_CALL LocalOutputStream::writeBytes(const uno::Sequence<sal_Int8>& aData)
throw (io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException, uno::RuntimeException)
{
getOutputFile()->writeBytes(aData) ;
}
//------------------------------------------------------------------------------
void SAL_CALL LocalOutputStream::flush()
throw (io::NotConnectedException,
io::BufferSizeExceededException,
io::IOException, uno::RuntimeException)
{
getOutputFile()->flush() ;
}
//------------------------------------------------------------------------------
void SAL_CALL LocalOutputStream::closeOutput()
throw (io::NotConnectedException, io::BufferSizeExceededException,
io::IOException, uno::RuntimeException)
{
if (mTemporaryFile.is())
{
mTemporaryFile->closeOutput() ;
mTemporaryFile.clear();
}
}
//------------------------------------------------------------------------------
} } // configmgr.localbe
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