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<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
"-//Puppy Crawl//DTD Check Configuration 1.3//EN"
"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">
<!-- configure the "Checker", that it handle files with the UTF-8 charset -->
<property name="charset" value="UTF-8"/>
<!-- Checks for long src-Files -->
<module name="FileLength">
<property name="max" value="2500"/>
<property name="fileExtensions" value="java"/>
<property name="severity" value="info"/>
</module>
<!-- Checks for too long src-Files and enforce -->
<module name="FileLength">
<property name="max" value="3500"/>
<property name="fileExtensions" value="java"/>
</module>
<!-- Checks that there are no tab characters in the src-code -->
<module name="FileTabCharacter">
<property name="eachLine" value="true"/>
</module>
<!-- Checks for long lines -->
<module name="LineLength">
<property name="max" value="160"/>
<property name="ignorePattern" value="@version|@see"/>
</module>
<!-- enable suppression via annotations-->
<module name="SuppressWarningsFilter"/>
<!-- Checks individual java src-Files and defines properties that are applicable -->
<!-- to checking such files -->
<module name="TreeWalker">
<!-- deactivted setting of the cacheFile property
so that import in IDEA works ... uses now default value for cacheFile -->
<!--<property name="cacheFile" value="${checkstyle.cache.file}"/>-->
<!-- Check location of annotation on language elements -->
<module name="AnnotationLocation"/>
<!-- Checks for long anonymous inner classes.-->
<module name="AnonInnerLength">
<property name="max" value="100"/>
</module>
<!-- Checks the style of array type definition in JavaStyle (ie String[] strings) -->
<module name="ArrayTypeStyle">
<property name="javaStyle" value="true"/>
</module>
<!-- Checks for block that are used freely in the code -->
<module name="AvoidNestedBlocks"/>
<!-- Checks for imports -->
<module name="AvoidStarImport">
<property name="excludes"
value="java.io,java.net,java.util,javax.enterprise.inject.spi,javax.enterprise.context,javax.persistence"/>
<property name="allowStaticMemberImports" value="true"/>
</module>
<module name="BooleanExpressionComplexity">
<property name="max" value="7"/>
</module>
<!-- This metric measures the number of instantiations of other classes within the given class. -->
<module name="ClassDataAbstractionCoupling">
<property name="max" value="10"/>
<property name="severity" value="warning"/>
</module>
<!-- Checks the number of other classes a given class relies on. -->
<module name="ClassFanOutComplexity">
<property name="max" value="30"/>
<property name="severity" value="warning"/>
</module>
<!-- Checks that constant only contains UpperCase-letters (except log [ logger) -->
<module name="ConstantName"/>
<!--Checks that classes that define a covariant equals() method
also override method equals(java.lang.Object). Inspired by findbugs -->
<module name="CovariantEquals"/>
<!-- Checks cyclomatic complexity against a specified limit.
The complexity is measured by the number of if, while, do, for, ?:, catch, switch, case statements,
and operators && and || (plus one) in the body of a constructor, method, static initializer, or instance initializer.
It is a measure of the minimum number of possible paths through the source and therefore the number of required tests.
Generally 1-4 is considered good, 5-7 ok, 8-10 consider re-factoring, and 11+ re-factor now! -->
<module name="CyclomaticComplexity">
<property name="max" value="10"/>
<property name="severity" value="warning"/>
</module>
<!-- enforce ordering of class members -->
<module name="DeclarationOrder"/>
<!-- Checks that the "default" is after all "case" in a "switch" -->
<module name="DefaultComesLast"/>
<!-- Checks for empty blocks -->
<module name="EmptyBlock"/>
<!--Detects empty statements (standalone ;). -->
<module name="EmptyStatement"/>
<!--Checks that any combination of String literals with optional assignment is on the left side of an equals() comparison -->
<module name="EqualsAvoidNull"/>
<!-- Checks, that classes that override equals also override hashCode -->
<module name="EqualsHashCode"/>
<!--Checks if any class or object member explicitly initialized to default for its type value
(null for object references, zero for numeric types and char and false for boolean) -->
<module name="ExplicitInitialization"/>
<!-- Checks for fall through in switch -->
<module name="FallThrough">
<property name="reliefPattern" value="continue in next case"/>
</module>
<!-- Checks that a class which has only private constructors is declared as final.-->
<module name="FinalClass"/>
<!-- Checks that the whitespace around the Generic tokens (angle brackets) "<" and ">" are correct to the typical convention. -->
<module name="GenericWhitespace"/>
<!-- Checks that a local variable or a parameter does not shadow a field that is defined in the same class. -->
<module name="HiddenField">
<property name="tokens" value="VARIABLE_DEF"/>
<property name="severity" value="warning"/>
</module>
<!-- Checks that certain exception types do not appear in a catch statement. -->
<module name="IllegalCatch"/>
<!-- Checks for imports from a set of illegal packages -->
<!-- <property name="illegalPkgs" value="java.sql" -->
<module name="IllegalImport"/>
<!-- This check can be used to ensure that types are not declared to be thrown.-->
<module name="IllegalThrows"/>
<!-- Checks correct indentation of Java code. -->
<module name="Indentation"/>
<!-- Checks for assignments in sub-expressions (ie String s = Integer.toString(i = 2) -->
<module name="InnerAssignment"/>
<!-- An interface should describe a type. It is therefore inappropriate to define an interface that does not contain any methods but only constants. -->
<module name="InterfaceIsType"/>
<module name="JavadocType"/>
<module name="JavadocStyle">
<property name="checkEmptyJavadoc" value="true"/>
</module>
<module name="JavaNCSS">
<property name="methodMaximum" value="150"/>
<property name="classMaximum" value="1500"/>
<property name="fileMaximum" value="2000"/>
<property name="severity" value="warning"/>
</module>
<!-- Checks for the placement of the left curly braces "{" -->
<module name="LeftCurly">
<property name="option" value="EOL"/>
</module>
<module name="LocalFinalVariableName"/>
<module name="LocalVariableName">
<property name="format" value="^_?[a-z][a-zA-Z0-9]*$"/>
</module>
<!-- Checks for long methods and constructors -->
<!-- countEmpty - whether to count empty lines and single line comments - default=false -->
<module name="MethodLength">
<property name="max" value="250"/>
</module>
<module name="MethodName">
<property name="format" value="[a-z][a-zA-Z0-9]*$"/>
</module>
<!-- Checks the padding between the identifier of a method definition. -->
<module name="MethodParamPad"/>
<!-- Verifies that both the java.lang.Deprecated annotation is present and the @deprecated Javadoc tag is present when either is present. -->
<module name="MissingDeprecated"/>
<!-- Checks that "switch" has a "default" -->
<module name="MissingSwitchDefault"/>
<!--Check for ensuring that for loop control variables are not modified inside the for block.-->
<module name="ModifiedControlVariable"/>
<!--Checks that the order of modifiers conforms to the suggestions in the Java Language specification -->
<module name="ModifierOrder"/>
<!--Checks for multiple occurrences of the same string literal within a single file.-->
<module name="MultipleStringLiterals">
<property name="severity" value="warning"/>
<property name="allowedDuplicates" value="5"/>
<property name="ignoreStringsRegexp" value='^(("")|(" ")|(", "))$'/>
</module>
<!-- Checks, that each variable declaration is in its own statement and on its own file -->
<module name="MultipleVariableDeclarations"/>
<!-- Checks for braces around code blocks (if, for, while, do) -->
<module name="NeedBraces"/>
<!--Restricts nested for blocks to a specified depth -->
<module name="NestedForDepth">
<property name="max" value="3"/>
</module>
<!--Restricts nested if-else blocks to a specified depth -->
<module name="NestedIfDepth">
<property name="max" value="3"/>
</module>
<!--Restricts nested try blocks to a specified depth -->
<module name="NestedTryDepth">
<property name="max" value="2"/>
</module>
<!--Checks that the clone method is not overridden from the Object class. -->
<module name="NoClone"/>
<!--Verifies there are no finalize() methods defined in a class. -->
<module name="NoFinalizer"/>
<!--The NPATH metric computes the number of possible execution paths through a function.
It takes into account the nesting of conditional statements and multi-part boolean expressions (e.g., A && B, C || D, etc.).-->
<module name="NPathComplexity">
<property name="max" value="150"/>
<property name="severity" value="warning"/>
</module>
<!--Checks there is only one statement per line. -->
<module name="OneStatementPerLine"/>
<!-- Checks that each top-level class, interface or enum resides in a source file of its own. -->
<module name="OneTopLevelClass"/>
<module name="PackageName"/>
<module name="ParameterName"/>
<!-- Checks the number of parameters of a method | constructor -->
<module name="ParameterNumber">
<property name="max" value="10"/>
</module>
<module name="RedundantImport"/>
<!--Checks for redundant modifiers in interface and annotation definitions. -->
<module name="RedundantModifier"/>
<!-- System.(out|err).print*, Exception#printStackTrace() -->
<module name="Regexp">
<property name="format" value="System\.(out|err)\.print(ln)?"/>
<property name="illegalPattern" value="true"/>
</module>
<module name="Regexp">
<property name="format" value="\.printStackTrace\(\)"/>
<property name="illegalPattern" value="true"/>
</module>
<!-- junit: use testng -->
<module name="Regexp">
<property name="format" value="import org\.junit\."/>
<property name="illegalPattern" value="true"/>
</module>
<!-- commons.lang: use commons.lang3 -->
<module name="Regexp">
<property name="format" value="import org \.apache\.commons\.lang\."/>
<property name="illegalPattern" value="true"/>
</module>
<!-- typo: loyality -->
<module name="Regexp">
<property name="format" value="[Ll]oyality"/>
<property name="illegalPattern" value="true"/>
</module>
<!-- @Autowired: use @Inject -->
<module name="Regexp">
<property name="format" value="@Autowired"/>
<property name="illegalPattern" value="true"/>
<property name="message" value="Use @Inject instead of @Autowired."/>
</module>
<!-- auto-generated file headers -->
<module name="Regexp">
<property name="format" value="\*[ ]+[Cc]reated by"/>
<property name="illegalPattern" value="true"/>
</module>
<module name="Regexp">
<property name="format" value="@author"/>
<property name="illegalPattern" value="true"/>
</module>
<!-- javaDoc comments only containing inheritDoc-->
<module name="Regexp">
<property name="format" value="/\*\*[\s\*]*\{@inheritDoc\}[\s\*]*\/"/>
<property name="illegalPattern" value="true"/>
<property name="message"
value="JavaDoc that only consists of {@inheritDoc} is not allowed. Either remove this JavaDoc or state additional information that is specific to this API."/>
</module>
<!-- Checks for the placement of the right curly braces "}" -->
<module name="RightCurly">
<property name="option" value="same"/>
</module>
<!--Checks for over-complicated boolean expressions. Currently finds code like if (b == true), b || true, !false, etc. -->
<module name="SimplifyBooleanExpression">
<property name="severity" value="warning"/>
</module>
<!--Checks for over-complicated boolean return statements. -->
<module name="SimplifyBooleanReturn">
<property name="severity" value="warning"/>
</module>
<module name="StaticVariableName">
<property name="format" value="^_?[a-z][a-zA-Z0-9]*$"/>
</module>
<!--Checks that string literals are not used with == or != -->
<module name="StringLiteralEquality"/>
<!--Allow rule suppression via annotations-->
<module name="SuppressWarningsHolder"/>
<!--Restricts throws statements to a specified count (default = 1). -->
<module name="ThrowsCount">
<property name="max" value="4"/>
</module>
<!-- Checks that comments are alone in a line an not trailing after code -->
<module name="TrailingComment"/>
<module name="TypeName">
<property name="format" value="[A-Z][a-zA-Z0-9]*$"/>
</module>
<!--Checks for the use of unnecessary parentheses. -->
<module name="UnnecessaryParentheses"/>
<!-- Checks for unused imports -->
<module name="UnusedImports"/>
<!-- Checks, that "long" constants are defined with an "L" not "l" -->
<module name="UpperEll"/>
<!-- Checks visibility of class members -->
<!-- Only static final members may be public, other class members must be private or protected -->
<module name="VisibilityModifier">
<property name="packageAllowed" value="false"/>
<property name="protectedAllowed" value="true"/>
<property name="publicMemberPattern" value="^serialVersionUID$"/>
</module>
<!-- enable suppression via comments-->
<module name="SuppressionCommentFilter"/>
</module>
</module>
