logback.xml

<?xml version="1.0" encoding="utf-8"?>
<configuration>

  <appender name="AppStdoutLog" class="ch.qos.logback.core.ConsoleAppender">
    <target>System.out</target>
    <filter class="edu.illinois.library.cantaloupe.logging.ApplicationLogFilter" />
    <filter class="edu.illinois.library.cantaloupe.logging.StandardOutputLogFilter" />
    <if condition='property("log.application.ConsoleAppender.logstash.enabled").contains("true")'>
      <then>
        <encoder class="net.logstash.logback.encoder.LogstashEncoder">
          <includeContext>false</includeContext>
        </encoder>
      </then>
      <else>
        <encoder>
          <!-- %white and %gray seem to be inverted as of version 1.1.7 -->
          <pattern>[%date{ISO8601}] [%thread] %highlight(%-5level) %cyan(%logger{15}) - %msg%n</pattern>
        </encoder>
      </else>
    </if>
    <withJansi>false</withJansi>
  </appender>

  <appender name="AppStderrLog" class="ch.qos.logback.core.ConsoleAppender">
    <target>System.err</target>
    <filter class="edu.illinois.library.cantaloupe.logging.ApplicationLogFilter" />
    <filter class="edu.illinois.library.cantaloupe.logging.StandardErrorLogFilter" />
    <if
      condition='property("log.application.stderr.ConsoleAppender.logstash.enabled").contains("true")'>
      <then>
        <encoder class="net.logstash.logback.encoder.LogstashEncoder">
          <includeContext>false</includeContext>
        </encoder>
      </then>
      <else>
        <encoder>
          <pattern>[%date{ISO8601}] [%thread] %highlight(%-5level) %cyan(%logger{15}) - %msg%n</pattern>
        </encoder>
      </else>
    </if>
    <withJansi>false</withJansi>
  </appender>

  <if condition='property("log.application.FileAppender.enabled").contains("true")'>
    <then>
      <appender name="AppFileLog" class="ch.qos.logback.core.FileAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.ApplicationLogFilter" />
        <file>${log.application.FileAppender.pathname}</file>
        <if condition='property("log.application.FileAppender.logstash.enabled").contains("true")'>
          <then>
            <encoder class="net.logstash.logback.encoder.LogstashEncoder">
              <includeContext>false</includeContext>
            </encoder>
          </then>
          <else>
            <encoder>
              <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
            </encoder>
          </else>
        </if>
      </appender>
    </then>
  </if>

  <if condition='property("log.error.FileAppender.enabled").contains("true")'>
    <then>
      <appender name="ErrorFileLog" class="ch.qos.logback.core.FileAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.ApplicationErrorLogFilter" />
        <file>${log.error.FileAppender.pathname}</file>
        <if condition='property("log.error.FileAppender.logstash.enabled").contains("true")'>
          <then>
            <encoder class="net.logstash.logback.encoder.LogstashEncoder">
              <includeContext>false</includeContext>
            </encoder>
          </then>
          <else>
            <encoder>
              <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
            </encoder>
          </else>
        </if>
      </appender>
    </then>
  </if>

  <if condition='property("log.application.RollingFileAppender.enabled").contains("true")'>
    <then>
      <appender name="AppRollingFileLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.ApplicationLogFilter" />
        <file>${log.application.RollingFileAppender.pathname}</file>
        <if
          condition='property("log.application.RollingFileAppender.policy").contains("TimeBasedRollingPolicy")'>
          <then>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
              <fileNamePattern>
                ${log.application.RollingFileAppender.TimeBasedRollingPolicy.filename_pattern}</fileNamePattern>
              <maxHistory>${log.application.RollingFileAppender.TimeBasedRollingPolicy.max_history}</maxHistory>
            </rollingPolicy>
          </then>
        </if>
        <if
          condition='property("log.application.RollingFileAppender.logstash.enabled").contains("true")'>
          <then>
            <encoder class="net.logstash.logback.encoder.LogstashEncoder">
              <includeContext>false</includeContext>
            </encoder>
          </then>
          <else>
            <encoder>
              <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
            </encoder>
          </else>
        </if>
      </appender>
    </then>
  </if>

  <if condition='property("log.error.RollingFileAppender.enabled").contains("true")'>
    <then>
      <appender name="ErrorRollingFileLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.ApplicationErrorLogFilter" />
        <file>${log.error.RollingFileAppender.pathname}</file>
        <if
          condition='property("log.error.RollingFileAppender.policy").contains("TimeBasedRollingPolicy")'>
          <then>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
              <fileNamePattern>
                ${log.error.RollingFileAppender.TimeBasedRollingPolicy.filename_pattern}</fileNamePattern>
              <maxHistory>${log.error.RollingFileAppender.TimeBasedRollingPolicy.max_history}</maxHistory>
            </rollingPolicy>
          </then>
        </if>
        <if condition='property("log.error.RollingFileAppender.logstash.enabled").contains("true")'>
          <then>
            <encoder class="net.logstash.logback.encoder.LogstashEncoder">
              <includeContext>false</includeContext>
            </encoder>
          </then>
          <else>
            <encoder>
              <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
            </encoder>
          </else>
        </if>
      </appender>
    </then>
  </if>

  <if condition='property("log.application.SyslogAppender.enabled").contains("true")'>
    <then>
      <appender name="AppSyslogLog" class="ch.qos.logback.classic.net.SyslogAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.ApplicationLogFilter" />
        <syslogHost>${log.application.SyslogAppender.host}</syslogHost>
        <port>${log.application.SyslogAppender.port}</port>
        <facility>${log.application.SyslogAppender.facility}</facility>
      </appender>
    </then>
  </if>

  <appender name="AccessStdoutLog" class="ch.qos.logback.core.ConsoleAppender">
    <filter class="edu.illinois.library.cantaloupe.logging.AccessLogFilter" />
    <encoder>
      <pattern>%msg%n</pattern>
    </encoder>
  </appender>

  <if condition='property("log.access.FileAppender.enabled").contains("true")'>
    <then>
      <appender name="AccessFileLog" class="ch.qos.logback.core.FileAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.AccessLogFilter" />
        <file>${log.access.FileAppender.pathname}</file>
        <encoder>
          <!-- already in W3C Extended Log File Format -->
          <pattern>%msg%n</pattern>
        </encoder>
      </appender>
    </then>
  </if>

  <if condition='property("log.access.RollingFileAppender.enabled").contains("true")'>
    <then>
      <appender name="AccessRollingFileLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.AccessLogFilter" />
        <file>${log.access.RollingFileAppender.pathname}</file>
        <if
          condition='property("log.access.RollingFileAppender.policy").contains("TimeBasedRollingPolicy")'>
          <then>
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
              <fileNamePattern>
                ${log.access.RollingFileAppender.TimeBasedRollingPolicy.filename_pattern}</fileNamePattern>
              <maxHistory>${log.access.RollingFileAppender.TimeBasedRollingPolicy.max_history}</maxHistory>
            </rollingPolicy>
          </then>
        </if>
        <encoder>
          <!-- already in W3C Extended Log File Format -->
          <pattern>%msg%n</pattern>
        </encoder>
      </appender>
    </then>
  </if>

  <if condition='property("log.access.SyslogAppender.enabled").contains("true")'>
    <then>
      <appender name="AccessSyslogLog" class="ch.qos.logback.classic.net.SyslogAppender">
        <filter class="edu.illinois.library.cantaloupe.logging.AccessLogFilter" />
        <syslogHost>${log.access.SyslogAppender.host}</syslogHost>
        <port>${log.access.SyslogAppender.port}</port>
        <facility>${log.access.SyslogAppender.facility}</facility>
      </appender>
    </then>
  </if>

  <logger name="edu.illinois.library.cantaloupe.logging.AccessLogService" additivity="false">
    <if condition='property("log.access.ConsoleAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessStdoutLog" />
      </then>
    </if>
    <if condition='property("log.access.FileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessFileLog" />
      </then>
    </if>
    <if condition='property("log.access.RollingFileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessRollingFileLog" />
      </then>
    </if>
    <if condition='property("log.access.SyslogAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessSyslogLog" />
      </then>
    </if>
  </logger>

  <root level="${log.application.level}">
    <!--
        Access log appenders
        -->
    <if condition='property("log.access.ConsoleAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessStdoutLog" />
      </then>
    </if>
    <if condition='property("log.access.FileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessFileLog" />
      </then>
    </if>
    <if condition='property("log.access.RollingFileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessRollingFileLog" />
      </then>
    </if>
    <if condition='property("log.access.SyslogAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AccessSyslogLog" />
      </then>
    </if>

    <!--
        Application log appenders
        -->
    <if condition='property("log.application.ConsoleAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AppStdoutLog" />
        <appender-ref ref="AppStderrLog" />
      </then>
    </if>
    <if condition='property("log.application.FileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AppFileLog" />
      </then>
    </if>
    <if condition='property("log.error.FileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="ErrorFileLog" />
      </then>
    </if>
    <if condition='property("log.application.RollingFileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AppRollingFileLog" />
      </then>
    </if>
    <if condition='property("log.error.RollingFileAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="ErrorRollingFileLog" />
      </then>
    </if>
    <if condition='property("log.application.SyslogAppender.enabled").contains("true")'>
      <then>
        <appender-ref ref="AppSyslogLog" />
      </then>
    </if>
  </root>

</configuration>