Issue #136: upgrade to checkstyle 8.6

Author: romani

README.md

@@ -14,6 +14,7 @@ This plugin provides coding rules from [Checkstyle](http://checkstyle.sourceforg
 
 Checkstyle Plugin|Sonar|Checkstyle|Jdk
 -----------------|-----|----------|---
+4.6|5.6.6|8.6|1.8
 4.5|5.6.6|8.5|1.8
 4.4|5.6.6|8.4|1.8
 4.3|5.6.6|8.3|1.8

checkstyle-sonar-plugin/config/checkstyle.properties

@@ -2,4 +2,5 @@ checkstyle.suppressions.file=checkstyle-sonar-plugin/config/suppressions.xml
 checkstyle.header.file=checkstyle-sonar-plugin/config/java.header
 checkstyle.regexp.header.file=checkstyle-sonar-plugin/config/java_regexp.header
 checkstyle.importcontrol.file=checkstyle-sonar-plugin/config/import-control.xml
-checkstyle.importcontroltest.file=checkstyle-sonar-plugin/config/import-control-test.xml
+checkstyle.importcontroltest.file=checkstyle-sonar-plugin/config/import-control-test.xml
+checkstyle.suppressions-xpath.file=checkstyle-sonar-plugin/config/suppressions-xpath.xml

checkstyle-sonar-plugin/config/suppressions-xpath.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+
+<!DOCTYPE suppressions PUBLIC
+    "-//Puppy Crawl//DTD Suppressions Xpath Experimental 1.2//EN"
+    "http://checkstyle.sourceforge.net/dtds/suppressions_1_2_xpath_experimental.dtd">
+
+<suppressions>
+
+</suppressions>

checkstyle-sonar-plugin/src/main/resources/org/sonar/plugins/checkstyle/rules.xml

@@ -1947,8 +1947,8 @@
     <name><![CDATA[Non-Empty Atclause Description]]></name>
     <priority>MAJOR</priority>
     <configKey><![CDATA[Checker/TreeWalker/NonEmptyAtclauseDescription]]></configKey>
-    <param key="javadocTokens" type="s[PARAM_LITERAL,RETURN_LITERAL,THROWS_LITERAL,DEPRECATED_LITERAL]">
-      <defaultValue>PARAM_LITERAL,RETURN_LITERAL,THROWS_LITERAL,DEPRECATED_LITERAL</defaultValue>
+    <param key="javadocTokens" type="s[PARAM_LITERAL,RETURN_LITERAL,THROWS_LITERAL,EXCEPTION_LITERAL,DEPRECATED_LITERAL]">
+      <defaultValue>PARAM_LITERAL,RETURN_LITERAL,THROWS_LITERAL,EXCEPTION_LITERAL,DEPRECATED_LITERAL</defaultValue>
     </param>
   </rule>
 

pom.xml

@@ -85,7 +85,7 @@
   </ciManagement>
 
   <properties>
-    <checkstyle.version>8.5</checkstyle.version>
+    <checkstyle.version>8.6</checkstyle.version>
     <sonar.version>5.6.6</sonar.version>
     <sonar-java.version>3.7</sonar-java.version>
     <java.version>1.8</java.version>