<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Licensed to the Apache Software Foundation (ASF) under one or more
  ~ contributor license agreements.  See the NOTICE file distributed with
  ~ this work for additional information regarding copyright ownership.
  ~ The ASF licenses this file to you under the Apache License, Version 2.0
  ~ (the "License"); you may not use this file except in compliance with
  ~ the License.  You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<Configuration xmlns="https://logging.apache.org/xml/ns"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="
                   https://logging.apache.org/xml/ns
                   https://logging.apache.org/xml/ns/log4j-config-2.xsd">
  <Appenders>
    <Console name="STDOUT">
      <PatternLayout>
        <ScriptPatternSelector defaultPattern="%d %p %m%n">
          <ScriptRef ref="SELECTOR_SCRIPT"/>
          <PatternMatch key="NoLocation" pattern="[%-5level] %c{1.} %msg%n"/>
          <PatternMatch key="Flow"
                        pattern="[%-5level] %c{1.} ====== %C{1.}.%M:%L %msg ======%n"/>
        </ScriptPatternSelector>
      </PatternLayout>
    </Console>
  </Appenders>
  <Loggers>
    <Logger name="EventLogger">
      <ScriptFilter onMatch="ACCEPT" onMismatch="DENY">
        <Script name="EVENT_LOGGER_FILTER" language="groovy"><![CDATA[
          if (logEvent.getMarker() != null
              && logEvent.getMarker().isInstanceOf("FLOW")) {
            return true;
          } else if (logEvent.getContextMap().containsKey("UserId")) {
            return true;
          }
          return false;
          ]]>
        </Script>
      </ScriptFilter>
    </Logger>
    <Root level="INFO">
      <ScriptFilter onMatch="ACCEPT" onMismatch="DENY">
        <ScriptRef ref="ROOT_FILTER"/>
      </ScriptFilter>
      <AppenderRef ref="STDOUT"/>
    </Root>
  </Loggers>
  <Scripts>
    <Script name="SELECTOR_SCRIPT" language="javascript"><![CDATA[
      var result;
      if (logEvent.getLoggerName().equals("JavascriptNoLocation")) {
        result = "NoLocation";
      } else if (logEvent.getMarker() != null
          && logEvent.getMarker().isInstanceOf("FLOW")) {
        result = "Flow";
      }
      result;
      ]]>
    </Script>
    <ScriptFile name="ROOT_FILTER" path="scripts/filter.groovy"/>
  </Scripts>
</Configuration>
