sl4j - logback を Maven で持ってくる時の pom.xml の記述
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>1.0.7</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.0.7</version>
</dependency>
ついでに、、logback.xml のサンプル
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE logback>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<Target>System.out</Target>
<encoder>
<Pattern>%-23d{yyyy/MM/dd HH:mm:ss.SSS} %-5p [%thread] %m\t\t\t[%class.%method:%line]%n</Pattern>
</encoder>
</appender>
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<File>../logs/logFile.log</File>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>../logs/logFile.%d{yyyy-MM-dd}.log</FileNamePattern>
<maxHistory>12</maxHistory>
</rollingPolicy>
<encoder>
<charset>UTF-8</charset>
<Pattern>%-23d{yyyy/MM/dd HH:mm:ss.SSS} %-5p [%thread] %m\t\t\t[%class.%method:%line]%n</Pattern>
</encoder>
</appender>
<logger name="yip.sample">
<level value="debug" />
<appender-ref ref="STDOUT" />
</logger>
<-- ref="STDOUT,FILE" という書き方はできないので、2つ並べる! -->
<logger name="yip.sample">
<level value="debug" />
<appender-ref ref="FILE" />
</logger>
</configuration>