From 1d13be8dc8ef61a3119e283d5fcce4fa8f65c3b5 Mon Sep 17 00:00:00 2001
From: Christoph Strobl <cstrobl@vmware.com>
Date: Wed, 4 Oct 2023 11:30:43 +0200
Subject: [PATCH] Polishing

Get rid of exception in positional parameter detection.
---
 .../data/mongodb/core/convert/QueryMapper.java     | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java
index 3718ac88f..1c4e4bb76 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java
@@ -1490,6 +1490,10 @@ public class QueryMapper {
 
 			static boolean isPositionalParameter(String partial) {
 
+				if(!StringUtils.hasText(partial)) {
+					return false;
+				}
+
 				if ("$".equals(partial)) {
 					return true;
 				}
@@ -1499,12 +1503,12 @@ public class QueryMapper {
 					return true;
 				}
 
-				try {
-					Long.valueOf(partial);
-					return true;
-				} catch (NumberFormatException e) {
-					return false;
+				for (int i = 0; i < partial.length(); i++) {
+					if (!Character.isDigit(partial.charAt(i))) {
+						return false;
+					}
 				}
+				return true;
 			}
 		}
 	}