Logback の設定サンプル

logback.xml

<configuration>

  <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
    <!-- deny all events with a level below INFO, that is TRACE and DEBUG -->
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
      <level>INFO</level>
    </filter>

    <!-- encoders are assigned the type ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
    <encoder>
      <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5level] [%thread] (%logger{0}:%L\) %msg%n</pattern>
    </encoder>
  </appender>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>/foo/bar/xxx.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <fileNamePattern>/foo/bar/xxx.log.%d{yyyyMMdd}</fileNamePattern>
      <maxHistory>14</maxHistory>
    </rollingPolicy>

    <encoder>
      <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5level] (%logger{0}:%L\) %msg%n</pattern>
    </encoder>
  </appender>

  <logger name="logger.name" level="info" additivity="false">
    <appender-ref ref="CONSOLE" />
  </logger>

  <root level="warn">
    <appender-ref ref="CONSOLE" />
    <appender-ref ref="FILE" />
  </root>

</configuration>