#576 empty lines check added

Author: krzyk

qulice-checkstyle/src/main/resources/com/qulice/checkstyle/checks.xml

@@ -375,6 +375,11 @@
         <module name="TypecastParenPad"/>
         <module name="WhitespaceAfter"/>
         <module name="WhitespaceAround"/>
+        <module name="EmptyLineSeparator">
+            <property name="allowMultipleEmptyLines" value="false"/>
+            <property name="allowMultipleEmptyLinesInsideClassMembers" value="false"/>
+            <property name="tokens" value="IMPORT,CLASS_DEF,INTERFACE_DEF,ENUM_DEF,STATIC_INIT,INSTANCE_INIT,METHOD_DEF,CTOR_DEF,VARIABLE_DEF"/>
+        </module>
 
         <!--
         Our custom checkers.

qulice-checkstyle/src/test/java/com/qulice/checkstyle/CheckstyleValidatorTest.java

@@ -529,13 +529,13 @@ public void distinguishesValidCatchParameterNames() throws Exception {
             results,
             Matchers.hasItems(
                 new ViolationMatcher(
-                    "Name 'ex_invalid_1' must match pattern", file, "25", name
+                    "Name 'ex_invalid_1' must match pattern", file, "26", name
                 ),
                 new ViolationMatcher(
-                    "Name '$xxx' must match pattern", file, "27", name
+                    "Name '$xxx' must match pattern", file, "28", name
                 ),
                 new ViolationMatcher(
-                    "Name '_exp' must match pattern", file, "29", name
+                    "Name '_exp' must match pattern", file, "30", name
                 )
             )
         );

qulice-checkstyle/src/test/resources/com/qulice/checkstyle/CatchParameterNames.java

@@ -16,6 +16,7 @@ public final class CatchParameterNames {
      * Dummy variable.
      */
     private int var;
+
     /**
      * Invalid exception parameter name.
      */

qulice-checkstyle/src/test/resources/com/qulice/checkstyle/InstanceMethodRef.java

@@ -14,6 +14,7 @@ private void start() {
         Collections.singletonList("1")
             .forEach(this::doSomething);
     }
+
     /**
      * Method to be referenced.
      * @param value Value to print

qulice-checkstyle/src/test/resources/com/qulice/checkstyle/LocalVariableNames.java

@@ -13,6 +13,7 @@ public final class LocalVariableNames {
      * Just a field.
      */
     private transient int field;
+
     /**
      * Just an id.
      */

qulice-checkstyle/src/test/resources/com/qulice/checkstyle/ValidSemicolon.java

@@ -12,6 +12,7 @@ public final class ValidSemicolon {
      * Dummy data.
      */
     private int dat = 1;
+
     /**
      * Method without extra semicolon in the end
      * of try-with-resources head.