Enable Spotless plugin - automatic code formatting

pom.xml

@@ -1,6 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -108,8 +107,8 @@
   <scm>
     <connection>scm:git:https://github.com/mojohaus/versions.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/mojohaus/versions.git</developerConnection>
-    <url>https://github.com/mojohaus/versions/tree/master</url>
     <tag>HEAD</tag>
+    <url>https://github.com/mojohaus/versions/tree/master</url>
   </scm>
 
   <issueManagement>
@@ -133,7 +132,8 @@
     <sitePluginVersion>3.7</sitePluginVersion>
     <modelloNamespaceRuleVersion>2.1.0</modelloNamespaceRuleVersion>
     <modelloNamespaceReportVersion>2.0.0</modelloNamespaceReportVersion>
-    <scmpublish.content>${project.build.directory}/staging</scmpublish.content><!-- mono-module doesn't require site:stage for scm-publish -->
+    <scmpublish.content>${project.build.directory}/staging</scmpublish.content>
+    <!-- mono-module doesn't require site:stage for scm-publish -->
     <project.build.outputTimestamp>2022-10-23T15:41:47Z</project.build.outputTimestamp>
     <sisu-maven-plugin-version>0.9.0.M1</sisu-maven-plugin-version>
   </properties>
@@ -213,20 +213,27 @@
   <build>
 
     <plugins>
+      <plugin>
+        <groupId>com.diffplug.spotless</groupId>
+        <artifactId>spotless-maven-plugin</artifactId>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
+        <configuration>
+          <configLocation>${checkstyle.spotless.config}</configLocation>
+        </configuration>
       </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>animal-sniffer-maven-plugin</artifactId>
         <executions>
           <execution>
             <id>check-java18</id>
-            <phase>test</phase>
             <goals>
               <goal>check</goal>
             </goals>
+            <phase>test</phase>
             <configuration>
               <signature>
                 <groupId>org.codehaus.mojo.signature</groupId>
@@ -244,11 +251,11 @@
         <executions>
           <execution>
             <id>default-site</id>
-            <phase>site</phase>
             <goals>
               <goal>site</goal>
               <goal>stage</goal>
             </goals>
+            <phase>site</phase>
           </execution>
         </executions>
       </plugin>
@@ -263,7 +270,7 @@
         <artifactId>maven-plugin-report-plugin</artifactId>
         <reportSets>
           <reportSet>
-            <reports/>
+            <reports />
           </reportSet>
         </reportSets>
       </plugin>

versions-api/pom.xml

@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>

versions-api/src/main/java/org/codehaus/mojo/versions/api/change/VersionChange.java

@@ -23,8 +23,7 @@
  * @author Slawomir Jaranowski
  * @since 2.14.0
  */
-public interface VersionChange
-{
+public interface VersionChange {
     /**
      * @return a groupId of changed item
      * @since 2.14.0
@@ -48,5 +47,4 @@ public interface VersionChange
      * @since 2.14.0
      */
     String getNewVersion();
-
 }

versions-api/src/main/java/org/codehaus/mojo/versions/api/recording/ChangeRecord.java

@@ -25,29 +25,25 @@
  * @author Slawomir Jaranowski
  * @since 2.14.0
  */
-public interface ChangeRecord
-{
+public interface ChangeRecord {
     /**
      * Describe where version item is updated.
      */
-    enum ChangeKind
-    {
-        DEPENDENCY( "dependency-update" ),
-        DEPENDENCY_MANAGEMENT( "dependency-management-update" ),
-        PARENT( "parent-update" ),
-        PLUGIN( "plugin-update" ),
-        PLUGIN_MANAGEMENT( "plugin-management-update" ),
-        PROPERTY( "property-update" );
+    enum ChangeKind {
+        DEPENDENCY("dependency-update"),
+        DEPENDENCY_MANAGEMENT("dependency-management-update"),
+        PARENT("parent-update"),
+        PLUGIN("plugin-update"),
+        PLUGIN_MANAGEMENT("plugin-management-update"),
+        PROPERTY("property-update");
 
         private final String label;
 
-        ChangeKind( String label )
-        {
+        ChangeKind(String label) {
             this.label = label;
         }
 
-        public String getLabel()
-        {
+        public String getLabel() {
             return label;
         }
     }

versions-api/src/main/java/org/codehaus/mojo/versions/api/recording/ChangeRecorder.java

@@ -26,15 +26,14 @@
  * @author Slawomir Jaranowski
  * @since 2.14.0
  */
-public interface ChangeRecorder
-{
+public interface ChangeRecorder {
     /**
      * Record that a dependency was updated.
      *
      * @param changeRecord a record described change
      * @since 2.14.0
      */
-    void recordChange( ChangeRecord changeRecord );
+    void recordChange(ChangeRecord changeRecord);
 
     /**
      * Write the current set of changes to the given output path.
@@ -48,5 +47,5 @@ public interface ChangeRecorder
      * @throws IOException On write and/or I/O errors
      * @since 2.14.0
      */
-    void writeReport( Path outputPath ) throws IOException;
+    void writeReport(Path outputPath) throws IOException;
 }