Enable spotless check (#176)

* Enable spotless check

#175 intentionally disabled
spotless checking so that the parent pom update could be merged.
Enable spotless checking again.

* Skip spotless formatting in two problem areas

Author: MarkEWaite

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>5.12</version>
+    <version>5.13</version>
     <relativePath />
   </parent>
 
@@ -29,7 +29,7 @@
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
     <jenkins.baseline>2.479</jenkins.baseline>
     <jenkins.version>${jenkins.baseline}.3</jenkins.version>
-    <spotless.check.skip>true</spotless.check.skip>
+    <spotless.check.skip>false</spotless.check.skip>
   </properties>
 
   <dependencyManagement>

src/main/java/hudson/plugins/plot/CSVSeries.java

@@ -279,6 +279,7 @@ private boolean excludePoint(final String label, int index) {
         }
 
         boolean retVal =
+                // spotless:off
                 switch (inclusionFlag) {
                     case INCLUDE_BY_STRING -> !checkExclusionSet(label); // if the set contains it, don't exclude it.
                     case EXCLUDE_BY_STRING -> checkExclusionSet(label); // if the set doesn't contain it, exclude it.
@@ -288,6 +289,7 @@ private boolean excludePoint(final String label, int index) {
                         colExclusionSet.contains(index); // if the set doesn't contain it, don't exclude it.
                     default -> false;
                 };
+                // spotless:on
 
         if (LOGGER.isLoggable(Level.FINEST)) {
             LOGGER.finest(((retVal) ? "excluded" : "included") + " CSV Column: " + index + " : " + label);

src/main/java/hudson/plugins/plot/Plot.java

@@ -895,6 +895,7 @@ private void generatePlot(boolean forceGenerate) {
      * Creates a Chart of the style indicated by getUrlStyle() using the given
      * dataset. Defaults to using createLineChart.
      */
+    // spotless:off
     private JFreeChart createChart(PlotCategoryDataset dataset) {
         return switch (ChartStyle.forName(getUrlStyle())) {
             case AREA ->
@@ -929,6 +930,7 @@ private JFreeChart createChart(PlotCategoryDataset dataset) {
                         getURLTitle(), null, getYaxis(), dataset, VERTICAL, hasLegend(), true, false);
         };
     }
+    // spotless:on
 
     /**
      * Returns a trimmed description string for the build specified by the given