Type parameter extends Object

Reports any type parameters and wildcard type arguments explicitly declared to extend java.lang.Object.

messaging/src/main/java/org/springframework/security/messaging/util/matcher/MessageMatcher.java

@@ -37,7 +37,7 @@ public interface MessageMatcher<T> {
 	 */
 	MessageMatcher<Object> ANY_MESSAGE = new MessageMatcher<Object>() {
 		@Override
-		public boolean matches(Message<? extends Object> message) {
+		public boolean matches(Message<?> message) {
 			return true;
 		}
 

messaging/src/main/java/org/springframework/security/messaging/util/matcher/SimpDestinationMessageMatcher.java

@@ -120,7 +120,7 @@ public final class SimpDestinationMessageMatcher implements MessageMatcher<Objec
 		this.pattern = pattern;
 	}
 
-	public boolean matches(Message<? extends Object> message) {
+	public boolean matches(Message<?> message) {
 		if (!messageTypeMatcher.matches(message)) {
 			return false;
 		}
@@ -131,7 +131,7 @@ public final class SimpDestinationMessageMatcher implements MessageMatcher<Objec
 	}
 
 
-	public Map<String, String> extractPathVariables(Message<? extends Object> message){
+	public Map<String, String> extractPathVariables(Message<?> message){
 		final String destination = SimpMessageHeaderAccessor.getDestination(message
 				.getHeaders());
 		return destination != null ? matcher.extractUriTemplateVariables(pattern, destination)

messaging/src/main/java/org/springframework/security/messaging/util/matcher/SimpMessageTypeMatcher.java

@@ -45,7 +45,7 @@ public class SimpMessageTypeMatcher implements MessageMatcher<Object> {
 	}
 
 	@Override
-	public boolean matches(Message<? extends Object> message) {
+	public boolean matches(Message<?> message) {
 		MessageHeaders headers = message.getHeaders();
 		SimpMessageType messageType = SimpMessageHeaderAccessor.getMessageType(headers);