checkstyle/import-control.xml

<!DOCTYPE import-control PUBLIC
"-//Puppy Crawl//DTD Import Control 1.1//EN"
"http://www.puppycrawl.com/dtds/import_control_1_1.dtd">
<!--
// 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.
-->

<import-control pkg="org.apache.kafka">

  <!-- THINK HARD ABOUT THE LAYERING OF THE PROJECT BEFORE CHANGING THIS FILE -->

  <!-- common library dependencies -->
  <allow pkg="java" />
  <allow pkg="javax.management" />
  <allow pkg="org.slf4j" />
  <allow pkg="org.junit" />
  <allow pkg="org.hamcrest" />
  <allow pkg="org.mockito" />
  <allow pkg="org.easymock" />
  <allow pkg="org.powermock" />
  <allow pkg="java.security" />
  <allow pkg="javax.net.ssl" />
  <allow pkg="javax.security" />
  <allow pkg="org.ietf.jgss" />

  <!-- no one depends on the server -->
  <disallow pkg="kafka" />

  <!-- anyone can use public classes -->
  <allow pkg="org.apache.kafka.common" exact-match="true" />
  <allow pkg="org.apache.kafka.common.security" />
  <allow pkg="org.apache.kafka.common.serialization" />
  <allow pkg="org.apache.kafka.common.utils" />
  <allow pkg="org.apache.kafka.common.errors" exact-match="true" />
  <allow pkg="org.apache.kafka.common.memory" />

  <subpackage name="common">
    <disallow pkg="org.apache.kafka.clients" />
    <allow pkg="org.apache.kafka.common" exact-match="true" />
    <allow pkg="org.apache.kafka.common.annotation" />
    <allow pkg="org.apache.kafka.common.config" exact-match="true" />
    <allow pkg="org.apache.kafka.common.internals" exact-match="true" />
    <allow pkg="org.apache.kafka.test" />

    <subpackage name="acl">
      <allow pkg="org.apache.kafka.common.annotation" />
      <allow pkg="org.apache.kafka.common.acl" />
      <allow pkg="org.apache.kafka.common.resource" />
    </subpackage>

    <subpackage name="config">
      <allow pkg="org.apache.kafka.common.config" />
      <!-- for testing -->
      <allow pkg="org.apache.kafka.common.metrics" />
    </subpackage>

    <subpackage name="message">
      <allow pkg="com.fasterxml.jackson" />
      <allow pkg="org.apache.kafka.common.protocol" />
      <allow pkg="org.apache.kafka.common.protocol.types" />
      <allow pkg="org.apache.kafka.common.message" />
    </subpackage>

    <subpackage name="metrics">
      <allow pkg="org.apache.kafka.common.metrics" />
    </subpackage>

    <subpackage name="memory">
      <allow pkg="org.apache.kafka.common.metrics" />
    </subpackage>

    <subpackage name="network">
      <allow pkg="org.apache.kafka.common.security.auth" />
      <allow pkg="org.apache.kafka.common.protocol" />
      <allow pkg="org.apache.kafka.common.config" />
      <allow pkg="org.apache.kafka.common.metrics" />
      <allow pkg="org.apache.kafka.common.security" />
    </subpackage>

    <subpackage name="resource">
      <allow pkg="org.apache.kafka.common.annotation" />
      <allow pkg="org.apache.kafka.common.resource" />
    </subpackage>

    <subpackage name="security">
      <allow pkg="org.apache.kafka.common.annotation" />
      <allow pkg="org.apache.kafka.common.network" />
      <allow pkg="org.apache.kafka.common.config" />
      <allow pkg="org.apache.kafka.common.protocol" />
      <allow pkg="org.apache.kafka.common.errors" />
      <subpackage name="authenticator">
        <allow pkg="org.apache.kafka.common.protocol.types" />
        <allow pkg="org.apache.kafka.common.requests" />
        <allow pkg="org.apache.kafka.clients" />
      </subpackage>
      <subpackage name="scram">
        <allow pkg="javax.crypto" />
      </subpackage>
      <subpackage name="oauthbearer">
        <allow pkg="com.fasterxml.jackson.databind" />
      </subpackage>
    </subpackage>

    <subpackage name="protocol">
      <allow pkg="org.apache.kafka.common.errors" />
      <allow pkg="org.apache.kafka.common.message" />
      <allow pkg="org.apache.kafka.common.protocol.types" />
      <allow pkg="org.apache.kafka.common.record" />
      <allow pkg="org.apache.kafka.common.requests" />
      <allow pkg="org.apache.kafka.common.resource" />
    </subpackage>

    <subpackage name="record">
      <allow pkg="net.jpountz" />
      <allow pkg="org.apache.kafka.common.header" />
      <allow pkg="org.apache.kafka.common.record" />
      <allow pkg="org.apache.kafka.common.network" />
      <allow pkg="org.apache.kafka.common.protocol" />
      <allow pkg="org.apache.kafka.common.protocol.types" />
      <allow pkg="org.apache.kafka.common.errors" />
    </subpackage>

    <subpackage name="header">
      <allow pkg="org.apache.kafka.common.header" />
      <allow pkg="org.apache.kafka.common.record" />
    </subpackage>

    <subpackage name="requests">
      <allow pkg="org.apache.kafka.common.acl" />
      <allow pkg="org.apache.kafka.common.protocol" />
      <allow pkg="org.apache.kafka.common.message" />
      <allow pkg="org.apache.kafka.common.network" />
      <allow pkg="org.apache.kafka.common.requests" />
      <allow pkg="org.apache.kafka.common.resource" />
      <allow pkg="org.apache.kafka.common.record" />
      <!-- for testing -->
      <allow pkg="org.apache.kafka.common.errors" />
    </subpackage>

    <subpackage name="serialization">
      <allow class="org.apache.kafka.common.errors.SerializationException" />
      <allow class="org.apache.kafka.common.header.Headers" />
    </subpackage>

    <subpackage name="utils">
      <allow pkg="org.apache.kafka.common" />
    </subpackage>
  </subpackage>

  <subpackage name="clients">
    <allow pkg="org.slf4j" />
    <allow pkg="org.apache.kafka.common" />
    <allow pkg="org.apache.kafka.clients" exact-match="true"/>
    <allow pkg="org.apache.kafka.test" />

    <subpackage name="consumer">
      <allow pkg="org.apache.kafka.clients.consumer" />
    </subpackage>

    <subpackage name="producer">
      <allow pkg="org.apache.kafka.clients.consumer" />
      <allow pkg="org.apache.kafka.clients.producer" />
    </subpackage>

    <subpackage name="admin">
      <allow pkg="org.apache.kafka.clients.admin" />
      <allow pkg="org.apache.kafka.clients.consumer.internals" />
      <allow pkg="org.apache.kafka.clients.consumer" />
    </subpackage>
  </subpackage>

  <subpackage name="server">
    <allow pkg="org.slf4j" />
    <allow pkg="org.apache.kafka.common" />
    <allow pkg="org.apache.kafka.test" />
  </subpackage>

  <subpackage name="tools">
    <allow pkg="org.apache.kafka.common"/>
    <allow pkg="org.apache.kafka.clients.admin" />
    <allow pkg="org.apache.kafka.clients.producer" />
    <allow pkg="org.apache.kafka.clients.consumer" />
    <allow pkg="com.fasterxml.jackson" />
    <allow pkg="net.sourceforge.argparse4j" />
    <allow pkg="org.apache.log4j" />
  </subpackage>

  <subpackage name="trogdor">
    <allow pkg="com.fasterxml.jackson" />
    <allow pkg="javax.servlet" />
    <allow pkg="javax.ws.rs" />
    <allow pkg="net.sourceforge.argparse4j" />
    <allow pkg="org.apache.kafka.clients" />
    <allow pkg="org.apache.kafka.clients.admin" />
    <allow pkg="org.apache.kafka.clients.consumer" exact-match="true"/>
    <allow pkg="org.apache.kafka.clients.producer" exact-match="true"/>
    <allow pkg="org.apache.kafka.common" />
    <allow pkg="org.apache.kafka.test"/>
    <allow pkg="org.apache.kafka.trogdor" />
    <allow pkg="org.apache.log4j" />
    <allow pkg="org.eclipse.jetty" />
    <allow pkg="org.glassfish.jersey" />
  </subpackage>

  <subpackage name="message">
    <allow pkg="com.fasterxml.jackson" />
    <allow pkg="com.fasterxml.jackson.annotation" />
  </subpackage>

  <subpackage name="streams">
    <allow pkg="org.apache.kafka.common"/>
    <allow pkg="org.apache.kafka.test"/>
    <allow pkg="org.apache.kafka.clients"/>
    <allow pkg="org.apache.kafka.clients.producer" exact-match="true"/>
    <allow pkg="org.apache.kafka.clients.consumer" exact-match="true"/>

    <allow pkg="org.apache.kafka.streams"/>

    <subpackage name="examples">
      <allow pkg="com.fasterxml.jackson" />
      <allow pkg="org.apache.kafka.connect.json" />
    </subpackage>

    <subpackage name="perf">
      <allow pkg="com.fasterxml.jackson.databind" />
    </subpackage>
    
    <subpackage name="integration">
      <allow pkg="kafka.admin" />
      <allow pkg="kafka.api" />
      <allow pkg="kafka.server" />
      <allow pkg="kafka.tools" />
      <allow pkg="kafka.utils" />
      <allow pkg="kafka.log" />
      <allow pkg="scala" />
      <allow class="kafka.zk.EmbeddedZookeeper"/>
    </subpackage>

    <subpackage name="test">
      <allow pkg="kafka.admin" />
    </subpackage>

    <subpackage name="tools">
      <allow pkg="kafka.tools" />
    </subpackage>

    <subpackage name="state">
      <allow pkg="org.rocksdb" />
    </subpackage>

    <subpackage name="processor">
      <subpackage name="internals">
        <allow pkg="org.I0Itec.zkclient" />
        <allow pkg="com.fasterxml.jackson" />
        <allow pkg="kafka.utils" />
        <allow pkg="org.apache.zookeeper" />
        <allow pkg="org.apache.zookeeper" />
        <allow pkg="org.apache.log4j" />
        <subpackage name="testutil">
          <allow pkg="org.apache.log4j" />
        </subpackage>
      </subpackage>
    </subpackage>
  </subpackage>

  <subpackage name="jmh">
    <allow pkg="org.openjdk.jmh.annotations" />
    <allow pkg="org.openjdk.jmh.runner" />
    <allow pkg="org.openjdk.jmh.runner.options" />
    <allow pkg="org.openjdk.jmh.infra" />
    <allow pkg="org.apache.kafka.common" />
    <allow pkg="org.apache.kafka.clients" />
    <allow pkg="org.apache.kafka.streams" />
    <allow pkg="org.github.jamm" />
  </subpackage>

  <subpackage name="log4jappender">
    <allow pkg="org.apache.log4j" />
    <allow pkg="org.apache.kafka.clients" />
    <allow pkg="org.apache.kafka.common" />
    <allow pkg="org.apache.kafka.test" />
  </subpackage>

  <subpackage name="test">
    <allow pkg="org.apache.kafka" />
    <allow pkg="org.bouncycastle" />
  </subpackage>

  <subpackage name="connect">
    <allow pkg="org.apache.kafka.common" />
    <allow pkg="org.apache.kafka.connect.data" />
    <allow pkg="org.apache.kafka.connect.errors" />
    <allow pkg="org.apache.kafka.connect.header" />
    <allow pkg="org.apache.kafka.connect.components"/>
    <allow pkg="org.apache.kafka.clients" />
    <allow pkg="org.apache.kafka.test"/>

    <subpackage name="source">
      <allow pkg="org.apache.kafka.connect.connector" />
      <allow pkg="org.apache.kafka.connect.storage" />
    </subpackage>

    <subpackage name="sink">
      <allow pkg="org.apache.kafka.clients.consumer" />
      <allow pkg="org.apache.kafka.connect.connector" />
      <allow pkg="org.apache.kafka.connect.storage" />
    </subpackage>

    <subpackage name="converters">
      <allow pkg="org.apache.kafka.connect.storage" />
    </subpackage>

    <subpackage name="rest">
      <allow pkg="org.apache.kafka.connect.health" />
      <allow pkg="javax.ws.rs" />
      <allow pkg= "javax.security.auth"/>
      <subpackage name="basic">
        <allow pkg="org.apache.kafka.connect.rest"/>
      </subpackage>
    </subpackage>

    <subpackage name="runtime">
      <allow pkg="org.apache.kafka.connect" />
      <allow pkg="org.reflections"/>
      <allow pkg="org.reflections.util"/>

      <subpackage name="rest">
        <allow pkg="org.eclipse.jetty" />
        <allow pkg="javax.ws.rs" />
        <allow pkg="javax.servlet" />
        <allow pkg="org.glassfish.jersey" />
        <allow pkg="com.fasterxml.jackson" />
        <allow pkg="org.apache.http"/>
      </subpackage>

      <subpackage name="isolation">
        <allow pkg="com.fasterxml.jackson" />
        <allow pkg="org.apache.maven.artifact.versioning" />
        <allow pkg="javax.tools" />
      </subpackage>
    </subpackage>

    <subpackage name="cli">
      <allow pkg="org.apache.kafka.connect.runtime" />
      <allow pkg="org.apache.kafka.connect.storage" />
      <allow pkg="org.apache.kafka.connect.util" />
      <allow pkg="org.apache.kafka.common" />
    </subpackage>

    <subpackage name="storage">
      <allow pkg="org.apache.kafka.connect" />
      <allow pkg="org.apache.kafka.common.serialization" />
    </subpackage>

    <subpackage name="util">
      <allow pkg="org.apache.kafka.connect" />
      <allow pkg="org.reflections.vfs" />
      <!-- for annotations to avoid code duplication -->
      <allow pkg="com.fasterxml.jackson.annotation" />
      <allow pkg="com.fasterxml.jackson.databind" />
      <subpackage name="clusters">
        <allow pkg="kafka.server" />
        <allow pkg="kafka.zk" />
        <allow pkg="kafka.utils" />
        <allow class="javax.servlet.http.HttpServletResponse" />
        <allow class="javax.ws.rs.core.Response" />
      </subpackage>
    </subpackage>

    <subpackage name="integration">
      <allow pkg="org.apache.kafka.connect.util.clusters" />
      <allow pkg="org.apache.kafka.connect" />
      <allow pkg="org.apache.kafka.tools" />
      <allow pkg="javax.ws.rs" />
    </subpackage>

    <subpackage name="json">
      <allow pkg="com.fasterxml.jackson" />
      <allow pkg="org.apache.kafka.common.serialization" />
      <allow pkg="org.apache.kafka.common.errors" />
      <allow pkg="org.apache.kafka.connect.storage" />
    </subpackage>

    <subpackage name="file">
      <allow pkg="org.apache.kafka.connect" />
      <allow pkg="org.apache.kafka.clients.consumer" />
      <!-- for tests -->
      <allow pkg="org.easymock" />
      <allow pkg="org.powermock" />
    </subpackage>

    <subpackage name="tools">
      <allow pkg="org.apache.kafka.connect" />
      <allow pkg="org.apache.kafka.tools" />
      <allow pkg="com.fasterxml.jackson" />
    </subpackage>

    <subpackage name="transforms">
      <allow class="org.apache.kafka.connect.connector.ConnectRecord" />
      <allow class="org.apache.kafka.connect.source.SourceRecord" />
      <allow class="org.apache.kafka.connect.sink.SinkRecord" />
      <allow pkg="org.apache.kafka.connect.transforms.util" />
    </subpackage>
  </subpackage>

</import-control>