Create IO utility class for input and output wrappers

1 files changed, 34 insertions, 0 deletions

diff --git a/src/main/com/jantuomi/tunkki/utils/IO.java b/src/main/com/jantuomi/tunkki/utils/IO.java
new file mode 100644
index 0000000..ec3ac2a
--- /dev/null
+++ b/src/main/com/jantuomi/tunkki/utils/IO.java
@@ -0,0 +1,34 @@
+package com.jantuomi.tunkki.utils;
+
+import jline.console.ConsoleReader;
+
+import java.io.IOException;
+
+/**
+ * Created by jan on 4.8.2016.
+ */
+public class IO {
+    private static IO instance = new IO();
+    private ConsoleReader reader;
+
+    public static IO getInstance() {
+        return instance;
+    }
+
+    private IO() {
+        try {
+            reader = new ConsoleReader();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        reader.setBellEnabled(false);
+        reader.setExpandEvents(false);
+    }
+
+    public String readLine(String promptMessage)
+            throws IOException {
+        System.out.print(promptMessage);
+        String line = reader.readLine();
+        return line.trim();
+    }
+}