/*
 * 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/filter/andfilter.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/helpers/stringhelper.h>
#include <log4cxx/helpers/optionconverter.h>

using namespace log4cxx;
using namespace log4cxx::filter;
using namespace log4cxx::spi;
using namespace log4cxx::helpers;

IMPLEMENT_LOG4CXX_OBJECT(AndFilter)


AndFilter::AndFilter()
: headFilter(), tailFilter(), acceptOnMatch(true)
{
}

void AndFilter::addFilter(const FilterPtr& filter) {
    if (headFilter == NULL) {
      headFilter = filter;
      tailFilter = filter;
    } else {
      tailFilter->setNext(filter);
    }
}


void AndFilter::setAcceptOnMatch(bool newValue) {
    acceptOnMatch = newValue;
}

Filter::FilterDecision AndFilter::decide(
   const spi::LoggingEventPtr& event) const
{
    bool accepted = true;
    FilterPtr f(headFilter);
    while (f != NULL) {
      accepted = accepted && (Filter::ACCEPT == f->decide(event));
      f = f->getNext();
    }
    if (accepted) {
      if(acceptOnMatch) {
        return Filter::ACCEPT;
      }
       return Filter::DENY;
    }
    return Filter::NEUTRAL;
}