config/import-control.xml

<?xml version="1.0"?>
<!DOCTYPE import-control PUBLIC
    "-//Puppy Crawl//DTD Import Control 1.3//EN"
    "http://checkstyle.sourceforge.net/dtds/import_control_1_3.dtd">

<import-control pkg="com.puppycrawl.tools.checkstyle">

  <allow pkg="antlr"/>
  <allow pkg="com.puppycrawl.tools.checkstyle.api"/>
  <allow pkg="com.puppycrawl.tools.checkstyle.checks"/>
  <allow pkg="java.io"/>
  <allow pkg="java.net"/>
  <allow pkg="java.util"/>
  <allow pkg="javax.xml.parsers"/>
  <allow pkg="org.apache.commons.beanutils"/>
  <allow pkg="org.apache.commons.logging"/>
  <allow pkg="org.xml.sax"/>

  <!--Disallowed till https://github.com/mojohaus/cobertura-maven-plugin/issues/29-->
  <disallow class="java.util.stream.Stream"/>
  <disallow class="java.util.stream.Stream.Builder"/>
  <disallow class="java.util.stream.DoubleStream"/>
  <disallow class="java.util.stream.DoubleStream.Builder"/>
  <disallow class="java.util.stream.IntStream"/>
  <disallow class="java.util.stream.IntStream.Builder"/>
  <disallow class="java.util.stream.LongStream"/>
  <disallow class="java.util.stream.LongStream.Builder"/>
  <disallow class="java.util.stream.BaseStream"/>
  <disallow class="java.util.stream.Collector"/>
  <disallow class="java.util.Comparator"/>

  <!-- The local ones -->
  <allow pkg="java.lang.reflect" local-only="true" />
  <allow pkg="java.nio" local-only="true" />
  <allow class="java.security.MessageDigest" local-only="true"/>
  <allow class="java.security.NoSuchAlgorithmException" local-only="true"/>
  <allow pkg="com.puppycrawl.tools.checkstyle.utils" local-only="true"/>
  <allow pkg="com.puppycrawl.tools.checkstyle.grammars" local-only="true"/>
  <allow pkg="org.apache.commons.cli" local-only="true"/>
  <allow pkg="org.antlr.v4.runtime" local-only="true"/>
  <allow class="com.puppycrawl.tools.checkstyle.JavadocDetailNodeParser.+"
          local-only="true" regex="true"/>
  <allow class="java.lang.annotation.ElementType" local-only="true"/>
  <allow class="java.lang.annotation.Inherited" local-only="true"/>
  <allow class="java.lang.annotation.Retention" local-only="true"/>
  <allow class="java.lang.annotation.RetentionPolicy" local-only="true"/>
  <allow class="java.lang.annotation.Target" local-only="true"/>
  <allow class="com.puppycrawl.tools.checkstyle.FileStatefulCheck"/>
  <allow class="com.puppycrawl.tools.checkstyle.StatelessCheck"/>

  <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3455 -->
  <allow class="com.google.common.base.CaseFormat" local-only="true"/>
  <allow class="com.google.common.io.BaseEncoding" local-only="true"/>
  <allow class="com.google.common.io.Closeables" local-only="true"/>
  <allow class="com.google.common.io.Flushables" local-only="true"/>
  <allow class="com.google.common.collect.HashMultimap" local-only="true"/>
  <allow class="com.google.common.collect.ImmutableCollection" local-only="true"/>
  <allow class="com.google.common.collect.ImmutableList" local-only="true"/>
  <allow class="com.google.common.collect.ImmutableMap" local-only="true"/>
  <allow class="com.google.common.collect.Multimap" local-only="true"/>
  <allow class="com.google.common.io.ByteStreams" local-only="true"/>

  <subpackage name="utils">
    <allow pkg="java.lang.reflect" local-only="true" />
    <allow pkg="java.nio" local-only="true" />
    <allow class="com.puppycrawl.tools.checkstyle.TreeWalkerFilter"/>
    <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3455 -->
    <allow class="com.google.common.collect.ImmutableMap" local-only="true"/>
    <allow class="com.google.common.reflect.ClassPath" local-only="true"/>
  </subpackage>

  <subpackage name="ant">
    <allow pkg="org.apache.tools.ant" local-only="true"/>
    <allow pkg="com.puppycrawl.tools.checkstyle"/>
    <disallow pkg="com.puppycrawl.tools.checkstyle.checks"/>
    <disallow pkg="com.puppycrawl.tools.checkstyle.filters"/>
    <disallow pkg="com.puppycrawl.tools.checkstyle.doclets"/>
    <disallow pkg="com.puppycrawl.tools.checkstyle.gui"/>

    <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3455 -->
    <allow class="com.google.common.io.Closeables" local-only="true"/>
  </subpackage>

  <subpackage name="api">
    <allow pkg="com.puppycrawl.tools.checkstyle.grammars"/>
    <allow pkg="java.lang.reflect" local-only="true"/>
    <allow pkg="java.nio.charset" local-only="true"/>
    <allow class="java.beans.PropertyDescriptor" local-only="true"/>
    <allow class="java.text.MessageFormat" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.grammars.CommentListener"
           local-only="true"/>
    <!-- AccessModifier is in util package (should be moved to api package) to disallow
    its usage by API clients till https://github.com/checkstyle/checkstyle/issues/3511-->
    <allow class="com.puppycrawl.tools.checkstyle.checks.naming.AccessModifier"
           local-only="true"/>
    <allow pkg="org.antlr.v4.runtime" local-only="true"/>

    <allow class="com.puppycrawl.tools.checkstyle.Checker" local-only="true"/>
    <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3817 -->
    <allow pkg="com.puppycrawl.tools.checkstyle.utils"/>
  </subpackage>

  <subpackage name="checks">
    <allow pkg="java.math"/>
    <allow pkg="com.puppycrawl.tools.checkstyle.utils"/>
    <allow class="java.nio.charset.StandardCharsets" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.Definitions" local-only="true"/>

    <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3455 -->
    <allow class="com.google.common.io.Closeables" local-only="true"/>
    <allow class="com.google.common.collect.HashMultiset" local-only="true"/>
    <allow class="com.google.common.collect.HashMultimap" local-only="true"/>
    <allow class="com.google.common.collect.ImmutableMultiset" local-only="true"/>
    <allow class="com.google.common.collect.Multiset" local-only="true"/>
    <allow class="com.google.common.collect.Multiset.Entry" local-only="true"/>
    <allow class="com.google.common.collect.SetMultimap" local-only="true"/>

    <subpackage name="imports">
      <allow class="com.puppycrawl.tools.checkstyle.XmlLoader" local-only="true"/>
    </subpackage>
    <subpackage name="indentation">
      <allow pkg="java.lang.reflect"/>
    </subpackage>
    <subpackage name="header">
      <allow class="java.nio.charset.Charset" local-only="true"/>
      <allow class="java.nio.charset.StandardCharsets" local-only="true" />
      <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3455 -->
      <allow class="com.google.common.io.Closeables" local-only="true"/>
    </subpackage>
    <subpackage name="javadoc">
      <allow pkg="com.puppycrawl.tools.checkstyle.grammars.javadoc"/>
      <allow pkg="java.lang.reflect"/>
      <allow class="com.puppycrawl.tools.checkstyle.JavadocDetailNodeParser"
        local-only="true"/>
      <allow class="com.puppycrawl.tools.checkstyle.JavadocDetailNodeParser.+"
            regex="true" local-only="true"/>

      <!-- allowed till https://github.com/checkstyle/checkstyle/issues/3455 -->
      <allow class="com.google.common.base.CharMatcher" local-only="true"/>
    </subpackage>
  </subpackage>

  <subpackage name="doclets" strategyOnMismatch="disallowed">
    <allow class="java.nio.charset.StandardCharsets"/>
    <allow pkg="com.sun.javadoc"/>
    <allow pkg="java.io"/>
    <allow pkg="java.util"/>
  </subpackage>

  <subpackage name="filters">
    <allow pkg="net.sf.saxon"/>
    <allow class="java.lang.ref.WeakReference" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.TreeWalkerAuditEvent" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.TreeWalkerFilter" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.XmlLoader" local-only="true"/>
    <disallow pkg="com\.puppycrawl\.tools\.checkstyle\.checks\.[^.]+" regex="true"/>
    <allow pkg="com.puppycrawl.tools.checkstyle.utils"/>
    <allow pkg="com.puppycrawl.tools.checkstyle.xpath"/>
    <allow class="java.nio.charset.StandardCharsets" local-only="true"/>
  </subpackage>

  <subpackage name="gui" strategyOnMismatch="disallowed">
    <allow pkg="antlr"/>
    <allow pkg="java.awt"/>
    <allow pkg="java.io"/>
    <allow pkg="javax.swing"/>
    <allow pkg="java.util" exact-match="true"/>
    <allow pkg="com.puppycrawl.tools.checkstyle.api" local-only="true"/>
    <allow pkg="com.puppycrawl.tools.checkstyle.utils" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.JavaParser" local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.gui.MainFrameModel.ParseMode"
           local-only="true"/>
    <allow class="com.puppycrawl.tools.checkstyle.JavadocDetailNodeParser" local-only="true"/>
    <allow class="com.google.common.collect.ImmutableList" local-only="true"/>
    <allow class="java.nio.charset.StandardCharsets" local-only="true" />
  </subpackage>

  <subpackage name="xpath">
    <allow pkg="net.sf.saxon"/>
    <allow class="java.lang.reflect.Field"/>
    <allow class="java.nio.charset.StandardCharsets" local-only="true"/>
    <allow pkg="com.puppycrawl.tools.checkstyle.utils" local-only="true"/>
  </subpackage>
</import-control>