added possibility to use jaxb-basics in schema compilation

src/org/citygml4j/ade_xjc/FileDeleter.java

+package org.citygml4j.ade_xjc;
+
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+
+public class FileDeleter extends SimpleFileVisitor<Path> {
+	private boolean recursive;
+	private boolean onlyEmptyDirs;
+
+	public FileDeleter(boolean recursive) {
+		this(recursive, false);
+	}
+	
+	public FileDeleter(boolean recursive, boolean onlyEmptyDirs) {
+		this.recursive = recursive;
+		this.onlyEmptyDirs = onlyEmptyDirs;
+	}
+
+	boolean deleteFile(Path file) throws IOException {
+		return Files.deleteIfExists(file);
+	}
+
+	@Override
+	public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+		if (!onlyEmptyDirs)
+			deleteFile(file);
+
+		return FileVisitResult.CONTINUE;
+	}
+
+	@Override
+	public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {		
+		return FileVisitResult.CONTINUE;
+	}
+
+	@Override
+	public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException {
+		if (e != null)
+			throw e;
+
+		boolean delete = true;
+		if (onlyEmptyDirs) {
+			try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
+				delete = !stream.iterator().hasNext();
+			}
+		}
+
+		if (delete)
+			deleteFile(dir);
+
+		return recursive ? FileVisitResult.CONTINUE : FileVisitResult.SKIP_SUBTREE;
+	}
+
+	@Override
+	public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
+		return FileVisitResult.CONTINUE;
+	}
+
+}

src/org/citygml4j/ade_xjc/Util.java

@@ -88,21 +88,5 @@ public class Util {
 
 		return md5.xor(new BigInteger(1, md5sum));
 	}
-
-	public static void rmdir(File folder, boolean force) {
-		if (!folder.exists())
-			return;
-
-		File[] children = folder.listFiles();
-
-		for (File file : children) {
-			if (file.isDirectory())
-				rmdir(file, force);
-
-			if (force)
-				file.delete();
-		}
-
-		folder.delete();
-	}
+	
 }