Extract Frontend interface from JavaFrontend

1 files changed, 5 insertions, 3 deletions

diff --git a/src/main/java/org/zwobble/couscous/frontends/java/JavaFrontend.java b/src/main/java/org/zwobble/couscous/frontends/java/JavaFrontend.java
index f58e6af..2a842c9 100644
--- a/src/main/java/org/zwobble/couscous/frontends/java/JavaFrontend.java
+++ b/src/main/java/org/zwobble/couscous/frontends/java/JavaFrontend.java
@@ -6,18 +6,20 @@ import java.nio.file.Path;
 import java.util.List;
 import java.util.stream.Stream;
 
+import org.zwobble.couscous.Frontend;
 import org.zwobble.couscous.ast.ClassNode;
 import org.zwobble.couscous.util.ExtraLists;
 
-public class JavaFrontend {
-    public static List<ClassNode> readSourceDirectory(Path directoryPath) throws IOException {
+public class JavaFrontend implements Frontend {
+    @Override
+    public List<ClassNode> readSourceDirectory(Path directoryPath) throws IOException {
         JavaReader reader = new JavaReader();
         return ExtraLists.map(
             findJavaFiles(directoryPath),
             javaFile -> reader.readClassFromFile(directoryPath, javaFile));
     }
     
-    private static Stream<Path> findJavaFiles(Path directoryPath) throws IOException {
+    private Stream<Path> findJavaFiles(Path directoryPath) throws IOException {
         return Files.walk(directoryPath)
             .filter(path -> path.toFile().isFile() && path.toString().endsWith(".java"));
     }