Log4Cxx apache日志

/* * 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/logstring.h> #include <log4cxx/xml/domconfigurator.h> #include <log4cxx/appender.h> #include <log4cxx/layout.h> #include <log4cxx/logger.h> #include <log4cxx/logmanager.h> #include <log4cxx/level.h> #include <log4cxx/spi/filter.h> #include <log4cxx/helpers/loglog.h> #include <log4cxx/helpers/stringhelper.h> #include <log4cxx/helpers/loader.h> #include <log4cxx/helpers/optionconverter.h> #include <log4cxx/config/propertysetter.h> #include <log4cxx/spi/errorhandler.h> #include <log4cxx/spi/loggerfactory.h> #include <log4cxx/defaultloggerfactory.h> #include <log4cxx/helpers/filewatchdog.h> #include <log4cxx/helpers/synchronized.h> #include <log4cxx/spi/loggerrepository.h> #include <log4cxx/spi/loggingevent.h> #include <log4cxx/helpers/pool.h> #include <sstream> #include <log4cxx/helpers/transcoder.h> #include <log4cxx/rolling/rollingfileappender.h> #include <log4cxx/rolling/filterbasedtriggeringpolicy.h> #include <apr_xml.h> #include <log4cxx/helpers/bytebuffer.h> #include <log4cxx/helpers/charsetdecoder.h> #include <log4cxx/net/smtpappender.h> using namespace log4cxx; using namespace log4cxx::xml; using namespace log4cxx::helpers; using namespace log4cxx::spi; using namespace log4cxx::config; using namespace log4cxx::rolling; #if APR_HAS_THREADS class XMLWatchdog : public FileWatchdog { public: XMLWatchdog(const File& filename) : FileWatchdog(filename) { } /** Call DOMConfigurator#doConfigure with the <code>filename</code> to reconfigure log4cxx. */ void doOnChange() { DOMConfigurator().doConfigure(file, LogManager::getLoggerRepository()); } }; #endif IMPLEMENT_LOG4CXX_OBJECT(DOMConfigurator) #define CONFIGURATION_TAG "log4j:configuration" #define OLD_CONFIGURATION_TAG "configuration" #define APPENDER_TAG "appender" #define APPENDER_REF_TAG "appender-ref" #define PARAM_TAG "param" #define LAYOUT_TAG "layout" #define ROLLING_POLICY_TAG "rollingPolicy" #define TRIGGERING_POLICY_TAG "triggeringPolicy" #define CATEGORY "category" #define LOGGER "logger" #define LOGGER_REF "logger-ref" #define CATEGORY_FACTORY_TAG "categoryFactory" #define NAME_ATTR "name" #define CLASS_ATTR "class" #define VALUE_ATTR "value" #define ROOT_TAG "root" #define ROOT_REF "root-ref" #define LEVEL_TAG "level" #define PRIORITY_TAG "priority" #define FILTER_TAG "filter" #define ERROR_HANDLER_TAG "errorHandler" #define REF_ATTR "ref" #define ADDITIVITY_ATTR "additivity" #define THRESHOLD_ATTR "threshold" #define CONFIG_DEBUG_ATTR "configDebug" #define INTERNAL_DEBUG_ATTR "debug" DOMConfigurator::DOMConfigurator() : props(), repository() { } void DOMConfigurator::addRef() const { ObjectImpl::addRef(); } void DOMConfigurator::releaseRef() const { ObjectImpl::releaseRef(); } /** Used internally to parse appenders by IDREF name. */ AppenderPtr DOMConfigurator::findAppenderByName(log4cxx::helpers::Pool& p, log4cxx::helpers::CharsetDecoderPtr& utf8Decoder, apr_xml_elem* element, apr_xml_doc* doc, const LogString& appenderName, AppenderMap& appenders) { AppenderPtr appender; std::string tagName(element->name); if (tagName == APPENDER_TAG) { if (appenderName == getAttribute(utf8Decoder, element, NAME_ATTR)) { appender = parseAppender(p, utf8Decoder, element, doc, appenders); } } if (element->first_child && !appender) { appender = findAppenderByName(p, utf8Decoder, element->first_child, doc, appenderName, appenders); } if (element->next && !appender) { appender = findAppenderByName(p, utf8Decoder, element->next, doc, appenderName, appenders); } return appender; } /** Used internally to parse appenders by IDREF element. */ AppenderPtr DOMConfigurator::findAppenderByReference( log4cxx::helpers::Pool& p, log4cxx::helpers::CharsetDecoderPtr& utf8Decoder, apr_xml_elem* appenderRef, apr_xml_doc* doc, AppenderMap& appenders) { LogString appenderName(subst(getAttribute(utf8Decoder, appenderRef, REF_ATTR))); AppenderMap::const_iterator match = appenders.find(appenderName); AppenderPtr appender; if (match != appenders.end()) { appender = match->second; } else if (doc) { appender = findAppenderByName(p, utf8Decoder, doc->root, doc, appenderName, appenders); if (appender) { appenders.insert(AppenderMap::value_type(appenderName, appender)); } } if (!appender) { LogLog::error(LOG4CXX_STR("No appender named [")+ appenderName+LOG4CXX_STR("] could be found.")); } return appender; } /** Used internally to parse an appender element. */ AppenderPtr DOMConfigurator::parseAppender(Pool& p, log4cxx::helpers::CharsetDecoderPtr& utf8Decoder, apr_xml_elem* appenderElement, apr_xml_doc* doc, AppenderMap& appenders) { LogString className(subst(getAttribute(utf8Decoder, appenderElement, CLASS_ATTR))); LogLog::debug(LOG4CXX_STR("Class name: [") + className+LOG4CXX_STR("]")); try { ObjectPtr instance = Loader::loadClass(className).newInstance(); AppenderPtr appender = instance; PropertySetter propSetter(appender); appender->setName(subst(getAttribute(utf8Decoder, appenderElement, NAME_ATTR))); for(apr_xml_elem* currentElement = appenderElement->first_child; currentElement; currentElement = currentElement->next) { std::string tagName(currentElement->name); // Parse appender parameters if (tagName == PARAM_TAG) { setParameter(p, utf8Decoder, currentElement, propSetter); } // Set appender layout else if (tagName == LAYOUT_TAG) { appender->setLayout(parseLayout(p, utf8Decoder, currentElement)); } // Add filters else if (tagName == FILTER_TAG) { std::vector<log4cxx::spi::FilterPtr> filters;