1 files changed, 15 insertions, 15 deletions
diff --git a/app/src/main/java/com/wireguard/config/Attribute.java b/app/src/main/java/com/wireguard/config/Attribute.java
index b2aa0d53..ee7fea33 100644
--- a/app/src/main/java/com/wireguard/config/Attribute.java
+++ b/app/src/main/java/com/wireguard/config/Attribute.java
@@ -21,38 +21,38 @@ enum Attribute {
     PRIVATE_KEY("PrivateKey"),
     PUBLIC_KEY("PublicKey");
 
-    private static final Map<String, Attribute> map;
+    private static final Map<String, Attribute> KEY_MAP;
+    private static final Pattern SEPARATOR_PATTERN = Pattern.compile("\\s|=");
 
     static {
-        map = new HashMap<>(Attribute.values().length);
-        for (final Attribute key : Attribute.values())
-            map.put(key.getToken(), key);
+        KEY_MAP = new HashMap<>(Attribute.values().length);
+        for (final Attribute key : Attribute.values()) {
+            KEY_MAP.put(key.token, key);
+        }
     }
 
-    public static Attribute match(final String line) {
-        return map.get(line.split("\\s|=")[0]);
-    }
-
-    private final String token;
     private final Pattern pattern;
+    private final String token;
 
     Attribute(final String token) {
         pattern = Pattern.compile(token + "\\s*=\\s*(\\S.*)");
         this.token = token;
     }
 
-    public String composeWith(final String value) {
-        return token + " = " + value + "\n";
+    public static Attribute match(final CharSequence line) {
+        return KEY_MAP.get(SEPARATOR_PATTERN.split(line)[0]);
+    }
+
+    public String composeWith(final Object value) {
+        return String.format("%s = %s%n", token, value);
     }
 
     public String getToken() {
         return token;
     }
 
-    public String parseFrom(final String line) {
+    public String parse(final CharSequence line) {
         final Matcher matcher = pattern.matcher(line);
-        if (matcher.matches())
-            return matcher.group(1);
-        return null;
+        return matcher.matches() ? matcher.group(1) : null;
     }
 }