/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#if defined(_MSC_VER)
    #pragma warning ( disable: 4231 4251 4275 4786 )
#endif


#include <log4cxx/logstring.h>
#include <log4cxx/pattern/relativetimepatternconverter.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/spi/location/locationinfo.h>
#include <log4cxx/helpers/stringhelper.h>

using namespace log4cxx;
using namespace log4cxx::pattern;
using namespace log4cxx::spi;
using namespace log4cxx::helpers;

IMPLEMENT_LOG4CXX_OBJECT(RelativeTimePatternConverter)

RelativeTimePatternConverter::RelativeTimePatternConverter() :
    LoggingEventPatternConverter(LOG4CXX_STR("Time"),
                                 LOG4CXX_STR("time"))
{
}

PatternConverterPtr RelativeTimePatternConverter::newInstance(
    const std::vector<LogString>& /* options */)
{
    static PatternConverterPtr def(new RelativeTimePatternConverter());
    return def;
}

void RelativeTimePatternConverter::format(
    const LoggingEventPtr& event,
    LogString& toAppendTo,
    Pool& p) const
{
    log4cxx_time_t delta = (event->getTimeStamp() - LoggingEvent::getStartTime()) / 1000;
    StringHelper::toString(delta, p, toAppendTo);
}