From 0b30e21e1f557b937e717d6d769cc367ad98e603 Mon Sep 17 00:00:00 2001
From: depryf <depryf@imsweb.com>
Date: Mon, 8 Jul 2024 09:33:53 -0400
Subject: [PATCH] Fixed exception comparing versions

---
 src/main/java/com/imsweb/naaccrxml/SpecificationVersion.java | 5 +++++
 .../java/com/imsweb/naaccrxml/SpecificationVersionTest.java  | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/src/main/java/com/imsweb/naaccrxml/SpecificationVersion.java b/src/main/java/com/imsweb/naaccrxml/SpecificationVersion.java
index 73e0971..eaa4bd4 100644
--- a/src/main/java/com/imsweb/naaccrxml/SpecificationVersion.java
+++ b/src/main/java/com/imsweb/naaccrxml/SpecificationVersion.java
@@ -3,6 +3,8 @@
  */
 package com.imsweb.naaccrxml;
 
+import java.util.Objects;
+
 import org.apache.commons.lang3.StringUtils;
 
 public final class SpecificationVersion {
@@ -46,6 +48,9 @@ public static boolean isSpecificationSupported(String spec) {
      * @return negative integer if first version is smaller, 0 if they are the same, positive integer otherwise
      */
     public static int compareSpecifications(String spec1, String spec2) {
+        if (StringUtils.isBlank(spec1) || !isSpecificationSupported(spec1) || StringUtils.isBlank(spec2) || !isSpecificationSupported(spec2))
+            return Objects.compare(spec1, spec2, String::compareTo);
+        
         String[] parts1 = StringUtils.split(spec1, '.');
         Integer major1 = Integer.valueOf(parts1[0]);
         Integer minor1 = Integer.valueOf(parts1[1]);
diff --git a/src/test/java/com/imsweb/naaccrxml/SpecificationVersionTest.java b/src/test/java/com/imsweb/naaccrxml/SpecificationVersionTest.java
index b387a5d..b436302 100644
--- a/src/test/java/com/imsweb/naaccrxml/SpecificationVersionTest.java
+++ b/src/test/java/com/imsweb/naaccrxml/SpecificationVersionTest.java
@@ -44,6 +44,10 @@ public void testCompareVersions() {
         Assert.assertEquals(1, SpecificationVersion.compareSpecifications("2.1", "1.0"));
         Assert.assertEquals(-1, SpecificationVersion.compareSpecifications("1.2", "2.1"));
         Assert.assertEquals(1, SpecificationVersion.compareSpecifications("2.1", "1.2"));
+
+        Assert.assertEquals(2, SpecificationVersion.compareSpecifications("1.0", "1"));
+        Assert.assertEquals(-2, SpecificationVersion.compareSpecifications("1", "1.0"));
+        Assert.assertEquals(0, SpecificationVersion.compareSpecifications("1", "1"));
     }
 
     @Test