MessageHeaders returns completely immutable entry set (no entry.setValue call allowed)

jhoeller · jhoeller · commit 8cd283729b3c · 2015-08-25T17:54:54.000+02:00
Issue: SPR-13385
diff --git a/spring-messaging/src/main/java/org/springframework/messaging/MessageHeaders.java b/spring-messaging/src/main/java/org/springframework/messaging/MessageHeaders.java
@@ -207,7 +207,7 @@ public boolean containsValue(Object value) {
 	}
 
 	public Set<Map.Entry<String, Object>> entrySet() {
-		return Collections.unmodifiableSet(this.headers.entrySet());
+		return Collections.unmodifiableMap(this.headers).entrySet();
 	}
 
 	public Object get(Object key) {

Original file line number	Diff line number	Diff line change
`@@ -207,7 +207,7 @@ public boolean containsValue(Object value) {`
`207`	`207`	`}`
`208`	`208`
`209`	`209`	`public Set<Map.Entry<String, Object>> entrySet() {`
`210`		`- return Collections.unmodifiableSet(this.headers.entrySet());`
	`210`	`+ return Collections.unmodifiableMap(this.headers).entrySet();`
`211`	`211`	`}`
`212`	`212`
`213`	`213`	`public Object get(Object key) {`