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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
* 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.
*
************************************************************************/
#include "logpacker.hxx"
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/XTransactedObject.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <rtl/ustrbuf.hxx>
using namespace com::sun::star::embed;
using namespace com::sun::star::io;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using ::com::sun::star::ucb::XSimpleFileAccess;
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
namespace
{
static const OUString getZipfileurl(const OUString& csvfileurl)
{
OUStringBuffer buf(csvfileurl);
buf.setLength(csvfileurl.getLength()-3);
buf.appendAscii("zip");
return buf.makeStringAndClear();
};
static sal_Int32 countLines(const Sequence<sal_Int8>& data)
{
sal_Int32 result = 0;
for(sal_Int32 idx = data.getLength()-1; idx>=0; --idx)
if(data[idx]==0x0a) result++;
return result;
};
}
namespace oooimprovement
{
LogPacker::LogPacker(const Reference<XMultiServiceFactory>& sf)
: m_ServiceFactory(sf)
{}
sal_Int32 LogPacker::pack(const OUString& fileurl)
{
Reference<XSimpleFileAccess> file_access(
m_ServiceFactory->createInstance(OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.ucb.SimpleFileAccess"))),
UNO_QUERY_THROW);
Reference<XStorage> storage;
{
Reference<XSingleServiceFactory> storage_factory(
m_ServiceFactory->createInstance(OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.embed.StorageFactory"))),
UNO_QUERY_THROW);
Sequence<Any> storage_init_args(2);
storage_init_args[0] = Any(getZipfileurl(fileurl));
storage_init_args[1] = Any(ElementModes::WRITE);
storage = Reference<XStorage>(
storage_factory->createInstanceWithArguments(storage_init_args),
UNO_QUERY_THROW);
}
Reference<XOutputStream> zipped_stream = storage->openStreamElement(
OUString(RTL_CONSTASCII_USTRINGPARAM("logdata.csv")),
ElementModes::WRITE)->getOutputStream();
Reference<XInputStream> unzipped_stream = file_access->openFileRead(fileurl);
const sal_Int32 bufsize = 1024;
sal_Int32 read_bytes;
sal_Int32 logged_events = -1; // ignore header row
Sequence<sal_Int8> buf(bufsize);
do
{
read_bytes = unzipped_stream->readBytes(buf, bufsize);
buf.realloc(read_bytes);
logged_events += countLines(buf);
zipped_stream->writeBytes(buf);
} while(read_bytes == bufsize);
unzipped_stream->closeInput();
zipped_stream->flush();
zipped_stream->closeOutput();
Reference<XTransactedObject>(storage, UNO_QUERY_THROW)->commit();
file_access->kill(fileurl);
return logged_events;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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