<bean id="logger" scope="prototype" class="org.slf4j.LoggerFactory" factory-method="getLogger">
        <constructor-arg name="name" value="log"/>
</bean>

@Autowired
private Logger log;

log.warn(...);
log.info(...);
log.debug(...);

Properties properties = new Properties();
properties.load(this.getClass().getClassLoader().getResourceAsStream(configFile));

# Root logger option
log4j.rootLogger=INFO, file, stdout

# Direct log messages to a log file
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=C:\logging.log
log4j.appender.file.MaxFileSize=10MB
log4j.appender.file.MaxBackupIndex=10
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

# Direct log messages to stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

log4j.appender.stdout.filter.a.LevelMin=DEBUG
log4j.appender.stdout.filter.a.LevelMax=INFO