/*

 * 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.

 */

#include <log4cxx/logstring.h>

#include <log4cxx/helpers/strftimedateformat.h>

#include <apr_time.h>

#include <log4cxx/helpers/transcoder.h>

using namespace LOG4CXX_NS;

using namespace LOG4CXX_NS::helpers;

struct StrftimeDateFormat::StrftimeDateFormatPrivate{

  StrftimeDateFormatPrivate() :

    timeZone(TimeZone::getDefault())

  {}

  /**

  *    Time zone.

  */

  TimeZonePtr timeZone;

  std::string pattern;

};

StrftimeDateFormat::StrftimeDateFormat(const LogString& fmt)

  : m_priv(std::make_unique<StrftimeDateFormatPrivate>())

{

  LOG4CXX_NS::helpers::Transcoder::encode(fmt, m_priv->pattern);

}

StrftimeDateFormat::~StrftimeDateFormat()

{

}

void StrftimeDateFormat::format(LogString& s, log4cxx_time_t time, Pool& /* p */ ) const

{

  apr_time_exp_t exploded;

  apr_status_t stat = m_priv->timeZone->explode(&exploded, time);

  if (stat == APR_SUCCESS)

  {

    const apr_size_t bufSize = 255;

    char buf[bufSize];

    apr_size_t bufLen;

    stat = apr_strftime(buf, &bufLen, bufSize, m_priv->pattern.c_str(), &exploded);

    if (stat == APR_SUCCESS)

    {

      LOG4CXX_NS::helpers::Transcoder::decode(std::string(buf, bufLen), s);

    }

  }

}

void StrftimeDateFormat::setTimeZone(const TimeZonePtr& zone)

{

  m_priv->timeZone = zone;

}