/*
 * 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/rolling/rollingpolicybase.h>
#include <log4cxx/pattern/formattinginfo.h>
#include <log4cxx/helpers/stringhelper.h>
#include <log4cxx/helpers/loglog.h>
#include <log4cxx/helpers/exception.h>
#include <log4cxx/pattern/patternparser.h>
#include <log4cxx/pattern/integerpatternconverter.h>
#include <log4cxx/pattern/datepatternconverter.h>

using namespace log4cxx;
using namespace log4cxx::rolling;
using namespace log4cxx::helpers;
using namespace log4cxx::pattern;

IMPLEMENT_LOG4CXX_OBJECT(RollingPolicyBase)

RollingPolicyBase::RollingPolicyBase() {
}

RollingPolicyBase::~RollingPolicyBase() {
}

void RollingPolicyBase::addRef() const {
    ObjectImpl::addRef();
}

void RollingPolicyBase::releaseRef() const {
    ObjectImpl::releaseRef();
}

void RollingPolicyBase::activateOptions(log4cxx::helpers::Pool& /* pool */) {
  if (fileNamePatternStr.length() > 0) {
    parseFileNamePattern();
  } else {
    LogString msg(LOG4CXX_STR("The FileNamePattern option must be set before using FixedWindowRollingPolicy."));
    LogString ref1(LOG4CXX_STR("See also http://logging.apache.org/log4j/codes.html#tbr_fnp_not_set"));
    LogLog::warn(msg);
    LogLog::warn(ref1);
    throw IllegalStateException();
  }
}


void RollingPolicyBase::setOption(const LogString& option, const LogString& value) {
  if (StringHelper::equalsIgnoreCase(option,
       LOG4CXX_STR("FILENAMEPATTERN"),
       LOG4CXX_STR("filenamepattern"))) {
       fileNamePatternStr = value;
  }
}

void RollingPolicyBase::setFileNamePattern(const LogString& fnp) {
  fileNamePatternStr = fnp;
}


LogString RollingPolicyBase::getFileNamePattern() const {
  return fileNamePatternStr;
}

/**
 *   Parse file name pattern.
 */
void RollingPolicyBase::parseFileNamePattern() {
  patternConverters.erase(patternConverters.begin(), patternConverters.end());
  patternFields.erase(patternFields.begin(), patternFields.end());
  PatternParser::parse(fileNamePatternStr,
          patternConverters,
          patternFields,
          getFormatSpecifiers());
}

/**
 * Format file name.
 *
 * @param obj object to be evaluted in formatting, may not be null.
 * @param buf string buffer to which formatted file name is appended, may not be null.
 */
void RollingPolicyBase::formatFileName(
  ObjectPtr& obj,
  LogString& toAppendTo,
  Pool& pool) const {
    std::vector<FormattingInfoPtr>::const_iterator formatterIter =
       patternFields.begin();
    for(std::vector<PatternConverterPtr>::const_iterator
             converterIter = patternConverters.begin();
        converterIter != patternConverters.end();
        converterIter++, formatterIter++) {
        int startField = toAppendTo.length();
        (*converterIter)->format(obj, toAppendTo, pool);
        (*formatterIter)->format(startField, toAppendTo);
    }
}


PatternConverterPtr RollingPolicyBase::getIntegerPatternConverter() const {
  for(std::vector<PatternConverterPtr>::const_iterator
           converterIter = patternConverters.begin();
      converterIter != patternConverters.end();
      converterIter++) {
      IntegerPatternConverterPtr intPattern(*converterIter);
      if (intPattern != NULL) {
        return *converterIter;
      }
  }
  PatternConverterPtr noMatch;
  return noMatch;
}

PatternConverterPtr RollingPolicyBase::getDatePatternConverter() const {
  for(std::vector<PatternConverterPtr>::const_iterator
           converterIter = patternConverters.begin();
      converterIter != patternConverters.end();
      converterIter++) {
      DatePatternConverterPtr datePattern(*converterIter);
      if (datePattern != NULL) {
        return *converterIter;
      }
  }
  PatternConverterPtr noMatch;
  return noMatch;
}