Replace the chain of if/else with a switch expression. (#423)

* Replace the chain of if/else with a switch expression.
* Update checkstyle

Author: thomasturrell

pom.xml

@@ -17,8 +17,8 @@
   <properties>
     <java.version>25</java.version>
     <jacoco-maven-plugin.version>0.8.14</jacoco-maven-plugin.version>
-    <maven-checkstyle-plugin.version>3.5.0</maven-checkstyle-plugin.version>
-    <checkstyle.version>10.6.0</checkstyle.version>
+    <maven-checkstyle-plugin.version>3.6.0</maven-checkstyle-plugin.version>
+    <checkstyle.version>12.1.2</checkstyle.version>
     <lifecycle-mapping.version>1.0.0</lifecycle-mapping.version>
     <jjwt.version>0.12.6</jjwt.version>
     <okhttp.version>5.3.2</okhttp.version>
@@ -91,6 +91,13 @@
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
           <version>${maven-checkstyle-plugin.version}</version>
+          <dependencies>
+            <dependency>
+              <groupId>com.puppycrawl.tools</groupId>
+              <artifactId>checkstyle</artifactId>
+              <version>${checkstyle.version}</version>
+            </dependency>
+          </dependencies>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -136,7 +143,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-gpg-plugin</artifactId>
-          <version>3.2.7</version>
+            <version>${maven-gpg-plugin.version}</version>
           <executions>
             <execution>
               <id>sign-artifacts</id>
@@ -188,7 +195,7 @@
         <plugin>
           <groupId>org.sonatype.central</groupId>
           <artifactId>central-publishing-maven-plugin</artifactId>
-          <version>0.9.0</version>
+            <version>${central-publishing-maven-plugin.version}</version>
           <extensions>true</extensions>
           <configuration>
             <publishingServerId>central</publishingServerId>

samples/delete-activity-profile/src/main/java/dev/learning/xapi/samples/deleteactivityprofile/DeleteActivityProfileApplication.java

@@ -23,6 +23,7 @@ public class DeleteActivityProfileApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(DeleteActivityProfileApplication.class, args).close();
   }

samples/delete-agent-profile/src/main/java/dev/learning/xapi/samples/deleteagentprofile/DeleteAgentProfileApplication.java

@@ -23,6 +23,7 @@ public class DeleteAgentProfileApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(DeleteAgentProfileApplication.class, args).close();
   }

samples/delete-state/src/main/java/dev/learning/xapi/samples/deletestate/DeleteStateApplication.java

@@ -23,6 +23,7 @@ public class DeleteStateApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(DeleteStateApplication.class, args).close();
   }

samples/delete-states/src/main/java/dev/learning/xapi/samples/deletestates/DeleteStatesApplication.java

@@ -23,6 +23,7 @@ public class DeleteStatesApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(DeleteStatesApplication.class, args).close();
   }

samples/get-about/src/main/java/dev/learning/xapi/samples/getabout/GetAboutApplication.java

@@ -23,6 +23,7 @@ public class GetAboutApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(GetAboutApplication.class, args).close();
   }

samples/get-activity-profile/src/main/java/dev/learning/xapi/samples/getactivityprofile/GetActivityProfileApplication.java

@@ -24,6 +24,7 @@ public class GetActivityProfileApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(GetActivityProfileApplication.class, args).close();
   }

samples/get-activity-profiles/src/main/java/dev/learning/xapi/samples/getactivityprofiles/GetActivityProfilesApplication.java

@@ -25,6 +25,7 @@ public class GetActivityProfilesApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(GetActivityProfilesApplication.class, args).close();
   }

samples/get-activity/src/main/java/dev/learning/xapi/samples/getactivity/GetActivityApplication.java

@@ -27,6 +27,7 @@ public class GetActivityApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(GetActivityApplication.class, args).close();
   }

samples/get-agent-profile/src/main/java/dev/learning/xapi/samples/getagentprofile/GetAgentProfileApplication.java

@@ -24,6 +24,7 @@ public class GetAgentProfileApplication implements CommandLineRunner {
   /** Default xAPI client. Properties are picked automatically from application.properties. */
   @Autowired private XapiClient client;
 
+  /** Main method to start the application. */
   public static void main(String[] args) {
     SpringApplication.run(GetAgentProfileApplication.class, args).close();
   }