/*
 * 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/propertiespatternconverter.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/spi/location/locationinfo.h>

#include <iterator>

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

IMPLEMENT_LOG4CXX_OBJECT(PropertiesPatternConverter)

PropertiesPatternConverter::PropertiesPatternConverter(const LogString& name1,
        const LogString& propertyName) :
    LoggingEventPatternConverter(name1, LOG4CXX_STR("property")),
    option(propertyName)
{
}

PatternConverterPtr PropertiesPatternConverter::newInstance(
    const std::vector<LogString>& options)
{
    if (options.size() == 0)
    {
        static PatternConverterPtr def(new PropertiesPatternConverter(
                                           LOG4CXX_STR("Properties"), LOG4CXX_STR("")));
        return def;
    }

    LogString converterName(LOG4CXX_STR("Property{"));
    converterName.append(options[0]);
    converterName.append(LOG4CXX_STR("}"));
    PatternConverterPtr converter(new PropertiesPatternConverter(
                                      converterName, options[0]));
    return converter;
}

void PropertiesPatternConverter::format(
    const LoggingEventPtr& event,
    LogString& toAppendTo,
    Pool& /* p */) const
{
    if (option.length() == 0)
    {
        toAppendTo.append(1, (logchar) 0x7B /* '{' */);

        LoggingEvent::KeySet keySet(event->getMDCKeySet());

        for (LoggingEvent::KeySet::const_iterator iter = keySet.begin();
                iter != keySet.end();
                iter++)
        {
            toAppendTo.append(1, (logchar) 0x7B /* '{' */);
            toAppendTo.append(*iter);
            toAppendTo.append(1, (logchar) 0x2C /* ',' */);
            event->getMDC(*iter, toAppendTo);
            toAppendTo.append(1, (logchar) 0x7D /* '}' */);
        }

        toAppendTo.append(1, (logchar) 0x7D /* '}' */);

    }
    else
    {
        event->getMDC(option, toAppendTo);
    }
}