1 files changed, 94 insertions, 0 deletions
diff --git a/Week9 Webshop/src/com/camilstaps/shop/CLIInteraction.java b/Week9 Webshop/src/com/camilstaps/shop/CLIInteraction.java
new file mode 100644
index 0000000..cbf59ab
--- /dev/null
+++ b/Week9 Webshop/src/com/camilstaps/shop/CLIInteraction.java
@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2015 Camil Staps <info@camilstaps.nl>
+ * See the LICENSE file for copying permission.
+ */
+
+package com.camilstaps.shop;
+
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+/**
+ * Command Line Interface Interaction
+ * @author Camil Staps, s4498062
+ */
+public class CLIInteraction extends UserInteraction {
+    
+    private final Scanner in;
+    private final PrintStream out;
+    
+    /**
+     * Default is stdin and stdout
+     */
+    public CLIInteraction() {
+        this(System.in, System.out);
+    }
+    
+    /**
+     * CLI interaction with custom input and outputstream
+     * @param is
+     * @param ps 
+     */
+    public CLIInteraction(InputStream is, PrintStream ps) {
+        in = new Scanner(is);
+        out = ps;
+    }
+
+    @Override
+    String getString() {
+        return in.nextLine();
+    }
+
+    @Override
+    public int getChoice(String question, String[] options) {
+        out.println(question);
+        int i = 1;
+        for (String option : options) {
+            out.println("  " + (i++) + " : " + option);
+        }
+        int selection = 0;
+        boolean read = false;
+        do {
+            if (read) {
+                out.println("Invalid option. Try again:");
+            }
+            try {
+                selection = in.nextInt();
+            } catch (InputMismatchException ex) {
+            }
+            in.nextLine();
+            read = true;
+        } while (selection < 1 || selection > options.length);
+        return selection - 1;
+    }
+
+    @Override
+    void putString(String string) {
+        out.print(string);
+    }
+
+    @Override
+    Command getCommand() {
+        putString("► ");
+        return new Command(getString());
+    }
+
+    @Override
+    float getFloat() {
+        float result = in.nextFloat();
+        in.nextLine();
+        return result;
+    }
+
+    @Override
+    boolean getBoolean() {
+        putString(" (yes/no) ");
+        String result;
+        do {
+            result = in.nextLine();
+        } while (!result.equalsIgnoreCase("yes") && !result.equalsIgnoreCase("no"));
+        return result.equalsIgnoreCase("yes");
+    }
+}
+\ No newline at end of file