风之谷

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http://jnn.blogbus.com/logs/1879313.html

void

log4cplus::PropertyConfigurator::configureAppenders()

{

    Properties appenderProperties =

         properties.getPropertySubset(LOG4CPLUS_TEXT("appender."));

    // 根据Appenders文本获取相关的数据

    vector<tstring> appendersProps = appenderProperties.propertyNames();

    for(vector<tstring>::iterator it=appendersProps.begin();

        it!=appendersProps.end();

        ++it)

    {

        if( (*it).find( LOG4CPLUS_TEXT('.') ) == tstring::npos ) {

                  //实现基本的数据采集获取功能

tstring factoryName = appenderProperties.getProperty(*it);

//解析获得创建实例所需使用的有关Factory的方法

AppenderFactory* factory = getAppenderFactoryRegistry().get(factoryName);

// 通过工厂名称来获得相关的工厂方法

            if(factory == 0) {

                tstring err =

                    LOG4CPLUS_TEXT("PropertyConfigurator::configureAppenders()- Cannot find AppenderFactory: ");

                getLogLog().error(err + factoryName);

                continue;

            }

            Properties properties =

                    appenderProperties.getPropertySubset((*it) + LOG4CPLUS_TEXT("."));

try {

           //创建相关的对象链接

                SharedAppenderPtr appender = factory->createObject(properties);

                if(appender.get() == 0) {

                    tstring err =

                        LOG4CPLUS_TEXT("PropertyConfigurator::configureAppenders()- Failed to create appender: ");

                    getLogLog().error(err + *it);

                }

//实现对属性值的处理

                else {

                    appender->setName(*it);

                    appenders[*it] = appender;

                }

            }

            catch(std::exception& e) {

                tstring err =

                    LOG4CPLUS_TEXT("PropertyConfigurator::configureAppenders()- Error while creating Appender: ");

                getLogLog().error(err + LOG4CPLUS_C_STR_TO_TSTRING(e.what()));

            }

        }

    } // end for loop

}

void

log4cplus::PropertyConfigurator::configureAdditivity()

{

    Properties additivityProperties =

            properties.getPropertySubset(LOG4CPLUS_TEXT("additivity."));

    vector<tstring> additivitysProps = additivityProperties.propertyNames();

    for(vector<tstring>::iterator it=additivitysProps.begin();

        it!=additivitysProps.end();

        ++it)

    {

        Logger logger = getLogger(*it);

        tstring actualValue = additivityProperties.getProperty(*it);

        tstring value = toLower(actualValue);

        if(value == LOG4CPLUS_TEXT("true")) {

            logger.setAdditivity(true);

        }

        else if(value == LOG4CPLUS_TEXT("false")) {

            logger.setAdditivity(false);

        }

        else {

            getLogLog().warn(  LOG4CPLUS_TEXT("Invalid Additivity value: \"")

                             + actualValue

                             + LOG4CPLUS_TEXT("\""));

        }

    }

}