optionconverter.h

/*
 * 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.
 */

#ifndef _LOG4CXX_HELPER_OPTION_CONVERTER_H
#define _LOG4CXX_HELPER_OPTION_CONVERTER_H

#include <log4cxx/logstring.h>
#include <log4cxx/helpers/objectptr.h>

namespace log4cxx
{
class Level;
class File;
typedef helpers::ObjectPtrT<Level> LevelPtr;

namespace spi
{
class LoggerRepository;
typedef helpers::ObjectPtrT<LoggerRepository> LoggerRepositoryPtr;
}

namespace helpers
{
class Properties;

class Object;
typedef ObjectPtrT<Object> ObjectPtr;

class Class;

class LOG4CXX_EXPORT OptionConverter
{
    private:
        OptionConverter() {}

    public:
        static LogString convertSpecialChars(const LogString& s);

        static bool toBoolean(const LogString& value, bool dEfault);
        static int toInt(const LogString& value, int dEfault);
        static long toFileSize(const LogString& value, long dEfault);
        static LevelPtr toLevel(const LogString& value,
            const LevelPtr& defaultValue);

        static LogString findAndSubst(const LogString& key, Properties& props);

        static LogString substVars(const LogString& val, Properties& props);

        static LogString getSystemProperty(const LogString& key, const LogString& def);

        static ObjectPtr instantiateByClassName(const LogString& className,
            const Class& superClass, const ObjectPtr& defaultValue);

        static ObjectPtr instantiateByKey(Properties& props,
            const LogString& key, const Class& superClass,
            const ObjectPtr& defaultValue);

        static void selectAndConfigure(const File& configFileName,
            const LogString& clazz, spi::LoggerRepositoryPtr& hierarchy);
};
}  // namespace helpers
} // namespace log4cxx

#endif //_LOG4CXX_HELPER_OPTION_CONVERTER_H