Fix New Sonar Issues

Author: garyrussell

spring-integration-core/src/main/java/org/springframework/integration/transformer/ContentEnricher.java

@@ -279,7 +279,9 @@ protected void doInit() {
 		}
 		if (this.requestChannel != null || this.requestChannelName != null) {
 			this.gateway = new Gateway();
-			this.gateway.setRequestChannel(this.requestChannel);
+			if (this.requestChannel != null) {
+				this.gateway.setRequestChannel(this.requestChannel);
+			}
 			if (this.requestChannelName != null) {
 				this.gateway.setRequestChannelName(this.requestChannelName);
 			}

spring-integration-jms/src/main/java/org/springframework/integration/jms/JmsOutboundGateway.java

@@ -47,7 +47,6 @@
 import org.springframework.context.Lifecycle;
 import org.springframework.core.convert.ConversionService;
 import org.springframework.expression.Expression;
-import org.springframework.integration.IntegrationMessageHeaderAccessor;
 import org.springframework.integration.MessageTimeoutException;
 import org.springframework.integration.StaticMessageHeaderAccessor;
 import org.springframework.integration.handler.AbstractReplyProducingMessageHandler;
@@ -294,9 +293,9 @@ public void setReceiveTimeout(long receiveTimeout) {
 	}
 
 	/**
-	 * Specify the default JMS priority to use when sending request Messages with
-	 * no {@link IntegrationMessageHeaderAccessor#PRIORITY} header.
-	 * The value should be within the range of 0-9.
+	 * Specify the default JMS priority to use when sending request Messages with no
+	 * {@link org.springframework.integration.IntegrationMessageHeaderAccessor#PRIORITY}
+	 * header. The value should be within the range of 0-9.
 	 * @param priority The priority.
 	 * @since 5.1.2
 	 */

spring-integration-xmpp/src/main/java/org/springframework/integration/xmpp/outbound/ChatMessageSendingMessageHandler.java

@@ -97,7 +97,7 @@ protected void handleMessageInternal(Message<?> message) {
 			else {
 				String to = message.getHeaders().get(XmppHeaders.TO, String.class);
 				Assert.state(StringUtils.hasText(to), () -> "The '" + XmppHeaders.TO + "' header must not be null");
-				xmppMessage = buildXmppMessage(message, payload, to);
+				xmppMessage = buildXmppMessage(payload, to);
 			}
 
 			if (this.headerMapper != null) {
@@ -118,7 +118,7 @@ protected void handleMessageInternal(Message<?> message) {
 		}
 	}
 
-	private org.jivesoftware.smack.packet.Message buildXmppMessage(Message<?> message, Object payload, String to)
+	private org.jivesoftware.smack.packet.Message buildXmppMessage(Object payload, String to)
 			throws Exception { // NOSONAR Smack throws it
 
 		org.jivesoftware.smack.packet.Message xmppMessage;