From 065e50a444a00d496e153243a4bdbc03753ff754 Mon Sep 17 00:00:00 2001
From: Sam Brannen <104798+sbrannen@users.noreply.github.com>
Date: Sun, 11 May 2025 15:44:41 +0200
Subject: [PATCH] Override containsProperty() in
 FallbackEnvironmentPropertySource

This commit overrides containsProperty() in
FallbackEnvironmentPropertySource for consistency with the
implementation of ConfigurableEnvironmentPropertySource.

See gh-34861
---
 .../support/PropertySourcesPlaceholderConfigurer.java        | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java b/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
index 4e023ab985..2686ba5764 100644
--- a/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
+++ b/spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
@@ -279,6 +279,11 @@ public class PropertySourcesPlaceholderConfigurer extends PlaceholderConfigurerS
 			return super.source.getProperty(name);
 		}
 
+		@Override
+		public boolean containsProperty(String name) {
+			return super.source.containsProperty(name);
+		}
+
 		@Override
 		public String toString() {
 			return "FallbackEnvironmentPropertySource {environment=" + super.source + "}";