web-server/build/qa/pmd-ruleset.xml

<?xml version="1.0"?>
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<ruleset xmlns="http://pmd.sourceforge.net/ruleset/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="Default Maven PMD Plugin Ruleset" xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
  <description>
GeoTools ruleset. See https://pmd.github.io/latest/pmd_userdocs_understanding_rulesets.html
</description>
  <rule ref="category/java/bestpractices.xml/AvoidUsingHardCodedIP"/>
  <rule ref="category/java/bestpractices.xml/CheckResultSet"/>
  <rule ref="category/java/bestpractices.xml/UnusedLocalVariable"/>
  <rule ref="category/java/bestpractices.xml/UnusedPrivateField"/>
  <rule ref="category/java/bestpractices.xml/UnusedPrivateMethod"/>
  <rule ref="category/java/bestpractices.xml/SystemPrintln"/>
  <rule ref="category/java/bestpractices.xml/ForLoopCanBeForeach" />
  <rule ref="category/java/bestpractices.xml/UseTryWithResources" >
    <description>
        Use try-with-resources to avoid memory / resources leaks.
    </description>
    <properties>
      <!-- The rule reports false positives for closeable arguments that are used             -->
      <!-- closed within the method body. This suppression tries to avoid false positives for -->
      <!-- this case, until we can switch to Java 9 and just use try(variable) {...} without  -->
      <!-- the need to instatiate the variable in the try                                     -->
      <property name="violationSuppressXPath">
        <value>
          <![CDATA[
              ./FinallyStatement//Name[
                substring-after(@Image, '.') = 'close' or
                substring-after(@Image, '.') = 'closeQuietly'
              ]
              [ pmd-java:typeIs('java.lang.AutoCloseable') and
                fn:substring-before(@Image, '.') = ancestor::MethodDeclaration/MethodDeclarator//VariableDeclaratorId/@Name
              ]"/>
            ]]>
        </value>
      </property>
    </properties>
  </rule>
  <rule ref="category/java/bestpractices.xml/ReplaceHashtableWithMap" />
  <rule ref="category/java/bestpractices.xml/ReplaceVectorWithList" />
  <rule ref="category/java/bestpractices.xml/AvoidPrintStackTrace" />
  <rule ref="category/java/bestpractices.xml/MissingOverride" />
  <rule ref="category/java/bestpractices.xml/UseStandardCharsets" />

  <rule ref="category/java/performance.xml/UseArrayListInsteadOfVector" />

  <rule ref="category/java/codestyle.xml/ExtendsObject"/>
  <rule ref="category/java/codestyle.xml/ForLoopShouldBeWhileLoop"/>
  <rule ref="category/java/codestyle.xml/UnnecessaryFullyQualifiedName"/>
  <rule ref="category/java/codestyle.xml/UseDiamondOperator" />
  <rule ref="category/java/codestyle.xml/UnnecessaryReturn"/>
  <rule ref="category/java/codestyle.xml/UselessParentheses"/>
  <rule ref="category/java/codestyle.xml/UselessQualifiedThis"/>
  <rule ref="category/java/codestyle.xml/UnnecessaryCast" />
  <rule ref="category/java/codestyle.xml/IdenticalCatchBranches" />
  <rule ref="category/java/codestyle.xml/UseShortArrayInitializer" />
  <rule ref="category/java/codestyle.xml/UnnecessaryImport" />
  <rule ref="category/java/errorprone.xml/AvoidDecimalLiteralsInBigDecimalConstructor"/>
  <rule ref="category/java/errorprone.xml/AvoidMultipleUnaryOperators"/>
  <rule ref="category/java/errorprone.xml/AvoidUsingOctalValues"/>
  <rule ref="category/java/errorprone.xml/BrokenNullCheck"/>
  <rule ref="category/java/errorprone.xml/CheckSkipResult"/>
  <rule ref="category/java/errorprone.xml/ClassCastExceptionWithToArray"/>
  <rule ref="category/java/errorprone.xml/DontUseFloatTypeForLoopIndices"/>
  <rule ref="category/java/errorprone.xml/EmptyFinallyBlock"/>
  <rule ref="category/java/errorprone.xml/EmptyIfStmt"/>
  <rule ref="category/java/errorprone.xml/EmptyInitializer"/>
  <rule ref="category/java/errorprone.xml/EmptyStatementBlock"/>
  <rule ref="category/java/errorprone.xml/EmptyStatementNotInLoop"/>
  <rule ref="category/java/errorprone.xml/EmptySwitchStatements"/>
  <rule ref="category/java/errorprone.xml/EmptySynchronizedBlock"/>
  <rule ref="category/java/errorprone.xml/EmptyTryBlock"/>
  <rule ref="category/java/errorprone.xml/EmptyWhileStmt"/>
  <rule ref="category/java/errorprone.xml/JumbledIncrementer"/>
  <rule ref="category/java/errorprone.xml/MisplacedNullCheck"/>
  <rule ref="category/java/errorprone.xml/OverrideBothEqualsAndHashcode"/>
  <rule ref="category/java/errorprone.xml/ReturnFromFinallyBlock"/>
  <rule ref="category/java/errorprone.xml/UnconditionalIfStatement"/>
  <rule ref="category/java/errorprone.xml/UnnecessaryConversionTemporary"/>
  <rule ref="category/java/errorprone.xml/UnusedNullCheckInEquals"/>
  <rule ref="category/java/errorprone.xml/UselessOperationOnImmutable"/>
  <rule ref="category/java/errorprone.xml/CloseResource">
    <properties>
        <!-- When calling the store to close, PMD wants the full prefix before the call to -->
        <!-- the method to match, so let's try to use common var names for store ...       -->
        <property name="closeTargets" value="releaseConnection,store.releaseConnection,closeQuietly,closeConnection,closeSafe,store.closeSafe,dataStore.closeSafe,getDataStore().closeSafe,close,closeResultSet,closeStmt,closeFinally,JDBCUtils.close"/>
        <property name="allowedResourceTypes" value="java.io.ByteArrayOutputStream|java.io.ByteArrayInputStream|java.io.StringWriter|java.io.CharArrayWriter|java.util.stream.Stream|java.util.stream.IntStream|java.util.stream.LongStream|java.util.stream.DoubleStream|java.io.StringReader" />
    </properties>
  </rule>
  <rule ref="category/java/multithreading.xml/AvoidThreadGroup"/>
  <rule ref="category/java/multithreading.xml/DontCallThreadRun"/>
  <rule ref="category/java/multithreading.xml/DoubleCheckedLocking"/>
  <rule ref="category/java/performance.xml/BigIntegerInstantiation"/>
  <rule ref="category/java/bestpractices.xml/PrimitiveWrapperInstantiation"/>
  <rule ref="category/java/performance.xml/StringInstantiation"/>
  <rule name="wildcards" language="java" message="No Wildcard Imports" class="net.sourceforge.pmd.lang.rule.XPathRule">
    <description>
      Don't use wildcard imports
    </description>
    <priority>3</priority>
    <properties>
      <property name="version" value="2.0"/>
      <property name="xpath">
        <value><![CDATA[
          //ImportDeclaration[@ImportedName=@PackageName]
          ]]></value>
      </property>
    </properties>
  </rule>
  <rule ref="category/java/bestpractices.xml/UseCollectionIsEmpty" />
  <rule ref="category/java/design.xml/CognitiveComplexity">
    <properties>
      <property name="reportLevel" value="130"/>
    </properties>
  </rule>  	  
</ruleset>