[英]Configure log4j2 for use from applet
在applet中應放置log4j2.xml的位置? 它可以同時登錄到Java Console和用戶計算機上的文件嗎?
我將其放在applet資源conf / log4j2.xml中,並從applet中讀取了它。 Applet錯誤地加載了它,因此我修復了applet代碼中的字段:
public static Logger getLogger(Class className) {
//get logger configuration
LoggerContext loggerContext = Configurator.initialize("client", className.getClassLoader(), className.getClassLoader().getResource("conf/log4j2.xml").getFile());
Configuration configuration = loggerContext.getConfiguration();
//set root logger to desired level
LoggerConfig loggerConfig = configuration.getLoggerConfig("");
loggerConfig.setLevel(Level.INFO);
//obtain appender
Appender appender = obtainAppender(configuration);
//get logger for required class
org.apache.logging.log4j.core.Logger loggerForClass = loggerContext.getLogger(className.getName());
//associate logger for required class with just created appender
configuration.addLoggerAppender(loggerForClass, appender);
return loggerForClass;
}
private static Appender obtainAppender(Configuration configuration) {
//create appender
TriggeringPolicy[] triggeringPolicies = {OnStartupTriggeringPolicy.createPolicy(), TimeBasedTriggeringPolicy.createPolicy("5", "true"), SizeBasedTriggeringPolicy.createPolicy("5 MB")};
TriggeringPolicy triggeringPolicy = CompositeTriggeringPolicy.createPolicy(triggeringPolicies);
return RollingFileAppender.createAppender(CLIENT_LOG_PATH + FileUtils.FILE_SEPARATOR + "my_client.log",
CLIENT_LOG_PATH + FileUtils.FILE_SEPARATOR + "/$${date:yyyy-MM}/my_client-%d{MM-dd-yyyy-HH-mm}-%i.log",
"", APPLET_APPENDER,
"true", "true",
triggeringPolicy, null,
PatternLayout.createLayout("%d{dd/MM/yyyy HH:mm:ss} %-5p [%t] [%c{1}] %m%n", configuration, null, "UTF-8"),
null, "true", configuration);
}
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