From 103d09bb0e6a529ed1b866dd15e8a5ba29a7f295 Mon Sep 17 00:00:00 2001
From: atusa17 <alex.j.tusa@gmail.com>
Date: Tue, 5 Mar 2019 11:48:18 -0700
Subject: [PATCH] PAN-10 added a null check to the recurse method

---
 .../tsp/services/parser/ParserService.java          | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java b/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java
index d8f8782..0106b8b 100644
--- a/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java
+++ b/services/src/main/java/edu/msudenver/tsp/services/parser/ParserService.java
@@ -35,8 +35,9 @@ class ParserService {
 
             return true;
         } catch(final Exception e) {
-            return false;
+            e.printStackTrace();
         }
+        return false;
     }
 
     public Node parseRawInput(String input)
@@ -59,14 +60,16 @@ class ParserService {
     {
         int startIndex;
         int endIndex;
-        final String statement = current.getStatement();
-        String nextStatement;
+        final String statement;
 
-        if(statement.equals(""))
-        {
+        if (current != null) {
+            statement = current.getStatement();
+        } else {
             return;
         }
 
+        String nextStatement;
+
         if(statement.contains("let"))
         {
             current.setLeft(new Node("let", current));