A quick fix to make code work with Java 8

priyaaank · Sep 13, 2016 · 4aec376 · 4aec376
1 parent 9f94db9
commit 4aec376
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/com/thoughtworks/rover/parser/StringCommandParser.java b/src/com/thoughtworks/rover/parser/StringCommandParser.java
@@ -10,7 +10,7 @@
 public class StringCommandParser {
 
     public static final String BY_EACH_CHARACTER = "";
-    public static final int START_INDEX = 1;
+    public static final int START_INDEX = 0;
 
     private static Map<String, ICommand> stringToCommandMap = new HashMap<String, ICommand>() {{
         put("L", new RotateLeftCommand());
@@ -33,6 +33,7 @@ private List<ICommand> buildCommandsList(final String commandString) {
         List<ICommand> commands = new ArrayList<ICommand>();
 
         for(String commandCharacter : commandCharactersFrom(commandString)) {
+            if (commandCharacter == null) break;
             ICommand mappedCommand = lookupEquivalentCommand(commandCharacter.toUpperCase());
             commands.add(mappedCommand);
         }