checkstyle.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
<module name="Checker">
<!--  <property name="checkstyle.packages" value="com.awakenedredstone.checkstyle"/>-->
  <property name="charset" value="UTF-8"/>
  <property name="fileExtensions" value="java"/>
  <property name="localeLanguage" value="en"/>
  <property name="localeCountry" value="US"/>
  <property name="tabWidth" value="4"/>

  <module name="NewlineAtEndOfFile"/>

  <!-- Disallow trailing whitespace -->
  <module name="RegexpSingleline">
    <property name="format" value="\s+$"/>
    <property name="message" value="Trailing whitespace"/>
  </module>

  <!-- Disallow blank after { -->
  <module name="RegexpMultiline">
    <property name="format" value="\{[\t ]*\r?\n[\t ]*\r?\n"/>
    <property name="message" value="Blank line after '{'"/>
  </module>

  <!-- Disallow blank before } -->
  <module name="RegexpMultiline">
    <property name="format" value="\n[\t ]*\r?\n[\t ]*\}"/>
    <property name="message" value="Blank line before '}'"/>
  </module>

  <module name="TreeWalker">
    <!-- Allow "//CHECKSTYLE.OFF: <InspectionName>" and "//CHECKSTYLE.ON: <InspectionName>" pairs to toggle some inspections -->
    <module name="SuppressionCommentFilter">
      <property name="offCommentFormat" value="CHECKSTYLE.OFF\: ([\w\|]+)"/>
      <property name="onCommentFormat" value="CHECKSTYLE.ON\: ([\w\|]+)"/>
      <property name="checkFormat" value="$1"/>
    </module>

    <!-- Check translation strings on methods named "translatable" -->
    <module name="com.awakenedredstone.checkstyle.TranslatableStringCheck" />

    <!-- Empty braces must be single line, separated by a single space" -->
    <module name="com.awakenedredstone.checkstyle.SameLineEmptyBlockCheck" />

    <!-- Configure imports -->
    <module name="AvoidStarImport"/>
    <module name="IllegalImport"/>
    <module name="RedundantImport"/>
    <module name="UnusedImports"/>

    <!-- Ensures braces are at the end of a line -->
    <module name="LeftCurly"/>
    <module name="RightCurly"/>

    <!-- Single line statements -->
    <module name="NeedBraces">
      <property name="tokens" value="LITERAL_FOR,LITERAL_WHILE,LITERAL_ELSE,LITERAL_DO"/>
      <property name="allowSingleLineStatement" value="false"/>
    </module>
    <module name="NeedBraces">
      <property name="tokens" value="LITERAL_IF"/>
      <property name="allowSingleLineStatement" value="true"/>
    </module>

    <module name="EmptyLineSeparator">
      <property name="allowNoEmptyLineBetweenFields" value="true"/>
      <property name="allowMultipleEmptyLines" value="false"/>
      <!-- exclude  METHOD_DEF and VARIABLE_DEF -->
      <property name="tokens" value="PACKAGE_DEF,IMPORT,STATIC_IMPORT,CLASS_DEF,INTERFACE_DEF,ENUM_DEF,STATIC_INIT,INSTANCE_INIT,CTOR_DEF"/>
    </module>

    <!-- Require space indentation -->
    <module name="RegexpSinglelineJava">
      <property name="format" value="^\t+"/>
      <property name="message" value="Non-space indentation"/>
    </module>
    <module name="EmptyCatchBlock">
      <property name="exceptionVariableName" value="ignored"/>
    </module>
    <module name="MissingOverride"/>
    <module name="OuterTypeFilename"/>
    <module name="PackageDeclaration"/>

    <!-- Disallow functionless empty blocks -->
    <module name="EmptyBlock">
      <property name="option" value="text"/>
      <property name="tokens" value="LITERAL_WHILE,LITERAL_TRY,LITERAL_FINALLY,LITERAL_DO,LITERAL_IF,LITERAL_ELSE,LITERAL_FOR,INSTANCE_INIT,STATIC_INIT,LITERAL_SWITCH,LITERAL_SYNCHRONIZED,LITERAL_CASE,LITERAL_DEFAULT,ARRAY_INIT"/>
    </module>

    <!-- Javadocs -->
    <module name="InvalidJavadocPosition"/>
    <module name="JavadocParagraph"/>
    <module name="JavadocStyle"/>
    <module name="AtclauseOrder">
      <property name="tagOrder" value="@param,@return,@throws,@deprecated"/>
    </module>
  </module>
</module>