builder: meet level 4 tweaks

* Add missing Rule SuppressWarningsFilter
* Suppress HideUtilityClassConstructor on main class

README.md

@@ -276,6 +276,7 @@ Rule|Level|Source|Enabled|Suppressable
 [SuperClone](#superclone)|tweaks|checkstyle||
 [SuperFinalize](#superfinalize)|tweaks|checkstyle||
 [SuppressWarnings](#suppresswarnings)|naming|checkstyle|Yes|
+[SuppressWarningsFilter](#suppresswarningsfilter)|naming|checkstyle|Yes|
 [SuppressWarningsHolder](#suppresswarningsholder)|naming|checkstyle|Yes|
 [TernaryPerExpressionCount](#ternaryperexpressioncount)|tweaks|sevntu|Yes|
 [ThrowsCount](#throwscount)|complexity|checkstyle|Yes|
@@ -2071,6 +2072,10 @@ Prevents the use of `@SuppressWarnings` for the following checks:
 
 Used by Checkstyle to hold the checks to be suppressed from `@SuppressWarnings(...)` annotations.
 
+#### [SuppressWarningsFilter](http://checkstyle.sourceforge.net/config_annotation.html#SuppressWarningsFilter)
+
+Allows the use of the `@SuppressWarnings` annotation.
+
 #### [ThrowsCount](http://checkstyle.sourceforge.net/config_design.html#ThrowsCount)
 
 Restricts non-private methods to only `throws` 4 distinct Exception types. Exceptions should be hierarchical to allow catching suitable root Exceptions.

builder/pom.xml

@@ -25,7 +25,7 @@
         <checkstyle.version>7.3</checkstyle.version>
         <sevntu-checkstyle-maven-plugin.version>1.22.0</sevntu-checkstyle-maven-plugin.version>
         <kemitix-checkstyle-ruleset.version>2.0.0-SNAPSHOT</kemitix-checkstyle-ruleset.version>
-        <kemitix-checkstyle-ruleset.level>3-javadoc</kemitix-checkstyle-ruleset.level>
+        <kemitix-checkstyle-ruleset.level>4-tweaks</kemitix-checkstyle-ruleset.level>
     </properties>
 
     <dependencyManagement>

builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/CheckstyleRulesetBuilderApplication.java

@@ -38,6 +38,7 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
  */
 @EnableConfigurationProperties({RulesProperties.class, OutputProperties.class})
 @SpringBootApplication
+@SuppressWarnings("hideutilityclassconstructor")
 public class CheckstyleRulesetBuilderApplication {
 
     /**

builder/src/main/resources/application.yml

@@ -854,6 +854,13 @@ rules:
         enabled: true
         source: CHECKSTYLE
         uri: http://checkstyle.sourceforge.net/config_annotation.html#SuppressWarningsHolder
+    -
+        name: SuppressWarningsFilter
+        parent: CHECKER
+        level: NAMING
+        enabled: true
+        source: CHECKSTYLE
+        uri: http://checkstyle.sourceforge.net/config_annotation.html#SuppressWarningsFilter
     -
         name: ThrowsCount
         parent: TREEWALKER

builder/src/main/resources/rules/SuppressWarningsFilter.md

@@ -0,0 +1,2 @@
+
+Allows the use of the `@SuppressWarnings` annotation.

ruleset/src/main/resources/net/kemitix/checkstyle-2-naming.xml

@@ -12,6 +12,7 @@
 <module name="NewlineAtEndOfFile">
     <property name="lineSeparator" value="lf"/>
 </module>
+<module name="SuppressWarningsFilter"/>
 
     <module name="TreeWalker">
 

ruleset/src/main/resources/net/kemitix/checkstyle-3-javadoc.xml

@@ -13,6 +13,7 @@
 <module name="NewlineAtEndOfFile">
     <property name="lineSeparator" value="lf"/>
 </module>
+<module name="SuppressWarningsFilter"/>
 <module name="Translation"/>
 <module name="UniqueProperties"/>
 

ruleset/src/main/resources/net/kemitix/checkstyle-4-tweaks.xml

@@ -13,6 +13,7 @@
 <module name="NewlineAtEndOfFile">
     <property name="lineSeparator" value="lf"/>
 </module>
+<module name="SuppressWarningsFilter"/>
 <module name="Translation"/>
 <module name="UniqueProperties"/>
 

ruleset/src/main/resources/net/kemitix/checkstyle-5-complexity.xml

@@ -14,6 +14,7 @@
 <module name="NewlineAtEndOfFile">
     <property name="lineSeparator" value="lf"/>
 </module>
+<module name="SuppressWarningsFilter"/>
 <module name="Translation"/>
 <module name="UniqueProperties"/>