1 files changed, 31 insertions, 0 deletions

diff --git a/src/main/java/cuchaz/enigma/Util.java b/src/main/java/cuchaz/enigma/Util.java
index 9445b2b4..1bcdb9ea 100644
--- a/src/main/java/cuchaz/enigma/Util.java
+++ b/src/main/java/cuchaz/enigma/Util.java
@@ -41,6 +41,27 @@ public class Util {
         return result;
     }
 
+    public static void closeQuietly(Closeable closeable) {
+        if (closeable != null) {
+            try {
+                closeable.close();
+            } catch (IOException ex) {
+                // just ignore any further exceptions
+            }
+        }
+    }
+
+    public static void closeQuietly(JarFile jarFile) {
+        // silly library should implement Closeable...
+        if (jarFile != null) {
+            try {
+                jarFile.close();
+            } catch (IOException ex) {
+                // just ignore any further exceptions
+            }
+        }
+    }
+
     public static String readStreamToString(InputStream in) throws IOException {
         return CharStreams.toString(new InputStreamReader(in, "UTF-8"));
     }
@@ -65,4 +86,14 @@ public class Util {
             }
         }
     }
+
+    public static void writeClass(CtClass c) {
+        String name = Descriptor.toJavaName(c.getName());
+        File file = new File(name + ".class");
+        try (FileOutputStream out = new FileOutputStream(file)) {
+            out.write(c.toBytecode());
+        } catch (IOException | CannotCompileException ex) {
+            throw new Error(ex);
+        }
+    }
 }