Prevent bypassing the fallback to the standard style

Author: tordanik

desktop/src/main/java/org/osm2world/console/commands/ConvertCommand.java

@@ -123,7 +123,7 @@ public Integer call() throws Exception {
 		OSMDataReaderView osmReaderView = buildInput();
 
 		// TODO: enable sharing (most) scene calculations across different LOD
-		var sceneKey = new SceneInputs(osmReaderView, configOptions.config, extraProperties);
+		var sceneKey = new SceneInputs(osmReaderView, configOptions.getConfigFiles(), extraProperties);
 
 		Scene scene = cachedScenes.containsKey(sceneKey)
 				? cachedScenes.get(sceneKey)

desktop/src/main/java/org/osm2world/console/commands/GuiCommand.java

@@ -30,7 +30,7 @@ public Integer call() {
 		File input = null; // TODO support input
 		LevelOfDetail lod = null; // TODO support lod
 
-		var viewerFrame = new ViewerFrame(configOptions.getO2WConfig(Map.of()), lod, configOptions.config, input);
+		var viewerFrame = new ViewerFrame(configOptions.getO2WConfig(Map.of()), lod, configOptions.getConfigFiles(), input);
 		viewerFrame.setVisible(true);
 
 		return -1; // tells the main method not to call System.exit

desktop/src/main/java/org/osm2world/console/commands/mixins/ConfigOptions.java

@@ -11,19 +11,25 @@
 public class ConfigOptions {
 
 	@CommandLine.Option(names = {"--config"}, description = "properties file(s) with configuration parameters")
-	public List<File> config = List.of();
+	private List<File> config = List.of();
 
 	public static final File STANDARD_PROPERTIES_FILE = new File("standard.properties");
 
-	public O2WConfig getO2WConfig(Map<String, ?> extraProperties) {
-
-		File[] configFiles = config.toArray(new File[0]);
+	public List<File> getConfigFiles() {
 
 		if (config.isEmpty() && STANDARD_PROPERTIES_FILE.isFile()) {
 			System.out.println("No --config parameter, using default style (" + STANDARD_PROPERTIES_FILE + ").\n");
-			configFiles = new File[] { STANDARD_PROPERTIES_FILE };
+			return List.of(STANDARD_PROPERTIES_FILE);
+		} else {
+			return config;
 		}
 
+	}
+
+	public O2WConfig getO2WConfig(Map<String, ?> extraProperties) {
+
+		File[] configFiles = getConfigFiles().toArray(new File[0]);
+
 		try {
 			return new O2WConfig(extraProperties, configFiles);
 		} catch (Exception e) {