Add compose, convert, and invert commands (#152)

* Add compose and invert commands and add support for conversion to tiny mappings

* Improvements suggested by liach

* Use Translator to get right entries

1 files changed, 12 insertions, 1 deletions

diff --git a/src/main/java/cuchaz/enigma/utils/Utils.java b/src/main/java/cuchaz/enigma/utils/Utils.java
index bd09c64..6788042 100644
--- a/src/main/java/cuchaz/enigma/utils/Utils.java
+++ b/src/main/java/cuchaz/enigma/utils/Utils.java
@@ -21,8 +21,11 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.util.Arrays;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Comparator;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public class Utils {
 
@@ -94,4 +97,12 @@ public class Utils {
                 String value = System.getProperty(property);
                 return value == null ? defValue : Boolean.parseBoolean(value);
         }
+
+        public static void delete(Path path) throws IOException {
+                if (path.toFile().exists()) {
+                        for (Path p : Files.walk(path).sorted(Comparator.reverseOrder()).collect(Collectors.toList())) {
+                                Files.delete(p);
+                        }
+                }
+        }
 }