Factor out config path

pom.xml

@@ -126,6 +126,25 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>io.github.git-commit-id</groupId>
+                <artifactId>git-commit-id-maven-plugin</artifactId>
+                <version>9.0.1</version>
+                <executions>
+                    <execution>
+                        <id>get-the-git-infos</id>
+                        <goals>
+                            <goal>revision</goal>
+                        </goals>
+                        <phase>initialize</phase>
+                    </execution>
+                </executions>
+                <configuration>
+                    <generateGitPropertiesFile>true</generateGitPropertiesFile>
+            <generateGitPropertiesFilename>${project.build.outputDirectory}/git.properties</generateGitPropertiesFilename>
+                    <commitIdGenerationMode>full</commitIdGenerationMode>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>

src/main/java/name/nathanmcrae/numbersstation/Main.java

@@ -52,8 +52,24 @@ public class Main extends Application {
     private static final Logger logger = Logger.getLogger(Main.class.getName());
     // TODO: get git info
     private static final String VERSION = "0.0.1";
+    private static Path configPath = null;
     private static Path statePath = null;
 
+    public static Path getConfigPath() {
+        if (configPath == null) {
+            String configHome = System.getenv("XDG_CONFIG_HOME");
+
+            if (configHome != null && !configHome.isEmpty() && Paths.get(configHome).isAbsolute()) {
+                configPath = Paths.get(configHome, "numbers-station");
+            } else {
+                String userHome = System.getProperty("user.home");
+                configPath = Paths.get(userHome, ".config", "numbers-station");
+            }
+        }
+
+        return configPath;
+    }
+
     public static Path getStatePath() {
         if (statePath == null) {
             String stateHome = System.getenv("XDG_STATE_HOME");

src/main/java/name/nathanmcrae/numbersstation/MainSettings.java

@@ -31,17 +31,7 @@ public class MainSettings {
     }
 
     public static Path getSettingsFilePath() {
-        String configHome = System.getenv("XDG_CONFIG_HOME");
+        return Main.getConfigPath().resolve("main-settings.xml");
-        Path directoryPath;
-
-        if (configHome != null && !configHome.isEmpty() && Paths.get(configHome).isAbsolute()) {
-            directoryPath = Paths.get(configHome, "numbers-station");
-        } else {
-            String userHome = System.getProperty("user.home");
-            directoryPath = Paths.get(userHome, ".config", "numbers-station");
-        }
-
-        return directoryPath.resolve("main-settings.xml");
     }
 
     public ArrayList<StationSettings> getStations() {

src/main/java/name/nathanmcrae/numbersstation/StationSettings.java

@@ -128,22 +128,12 @@ public class StationSettings {
     }
 
     public Path stationPath() {
-        String configHome = System.getenv("XDG_CONFIG_HOME");
-        Path directoryPath;
-
-        if (configHome != null && !configHome.isEmpty() && Paths.get(configHome).isAbsolute()) {
-            directoryPath = Paths.get(configHome, "numbers-station");
-        } else {
-            String userHome = System.getProperty("user.home");
-            directoryPath = Paths.get(userHome, ".config", "numbers-station");
-        }
-
         String stationDirName = null;
         try {
             stationDirName = java.net.URLEncoder.encode(name, "UTF-8");
         } catch(UnsupportedEncodingException e) {} // We know UTF-8 is supported
 
-        return directoryPath.resolve(stationDirName);
+        return Main.getConfigPath().resolve(stationDirName);
     }
 
     public String generateMessage(int generationAttempts) throws MessageGenerationException {