Bit more

src/main/java/eu/simstadt/regionchooser/RegionChooserCommandLineInterface.java

@@ -6,6 +6,7 @@
 import java.util.concurrent.Callable;
 import picocli.CommandLine;
 import picocli.CommandLine.Command;
+import picocli.CommandLine.Option;
 import picocli.CommandLine.Parameters;
 
 
@@ -15,14 +16,19 @@ class RegionChooserCommandLineInterface implements Callable<Integer>
 	@Parameters(index = "0", description = "SRS Name : 'EPSG:31467' or just 31467")
 	String srsName;
 
-	@Parameters(index = "1", description = "Output file : output.gml")
+	@Parameters(index = "1", description = "Output file : output.gml", paramLabel = "<output_citygml>")
 	Path outputCityGML;
 
 	@Parameters(index = "2..*", arity = "1..*", description = "The citygml files to extract from : input1.gml input2.gml")
 	List<Path> citygmls;
 
+	@Option(names = "--wkt", description = "File containing WKT polygon, or - for stdin", paramLabel = "file")
+	String wktFile = "-";
+
 	@Override
 	public Integer call() throws Exception { // your business logic goes here...
+		System.out.println("WKT from : ");
+		System.out.println(wktFile);
 		System.out.println("Should extract from :");
 		for (Path input_citygml : citygmls) {
 			System.out.println("  " + input_citygml);
@@ -43,8 +49,9 @@ public Integer call() throws Exception { // your business logic goes here...
 	}
 
 	private static String getInput() {
-		Scanner myObj = new Scanner(System.in);
-		return myObj.nextLine();
+		try (Scanner myObj = new Scanner(System.in)) {
+			return myObj.nextLine();
+		}
 	}
 
 	// this example implements Callable, so parsing, error handling and handling user