Remove SI GenericMessage

- Deprecate for now to ease XD migration.

spring-integration-file/src/main/java/org/springframework/integration/file/test/BigMGetTests.java

@@ -23,7 +23,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.messaging.Message;
 import org.springframework.messaging.MessageChannel;
 import org.springframework.messaging.PollableChannel;
-import org.springframework.integration.message.GenericMessage;
+import org.springframework.messaging.support.GenericMessage;
 
 /**
  * Created this test because a customer reported hanging with large mget.

spring-integration-file/src/test/java/org/springframework/integration/file/FileWritingMessageHandlerTests.java

@@ -41,7 +41,7 @@ import org.springframework.integration.MessageHandlingException;
 import org.springframework.integration.channel.NullChannel;
 import org.springframework.integration.channel.QueueChannel;
 import org.springframework.integration.file.support.FileExistsMode;
-import org.springframework.integration.message.GenericMessage;
+import org.springframework.messaging.support.GenericMessage;
 import org.springframework.integration.support.MessageBuilder;
 import org.springframework.messaging.Message;
 import org.springframework.util.FileCopyUtils;

spring-integration-file/src/test/java/org/springframework/integration/file/config/FileOutboundChannelAdapterParserTests.java

@@ -40,7 +40,7 @@ import org.springframework.integration.endpoint.EventDrivenConsumer;
 import org.springframework.integration.file.DefaultFileNameGenerator;
 import org.springframework.integration.file.FileWritingMessageHandler;
 import org.springframework.integration.handler.advice.AbstractRequestHandlerAdvice;
-import org.springframework.integration.message.GenericMessage;
+import org.springframework.messaging.support.GenericMessage;
 import org.springframework.integration.test.util.TestUtils;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

spring-integration-file/src/test/java/org/springframework/integration/file/config/FileOutboundGatewayParserTests.java

@@ -35,7 +35,7 @@ import org.springframework.integration.endpoint.EventDrivenConsumer;
 import org.springframework.integration.file.DefaultFileNameGenerator;
 import org.springframework.integration.file.FileWritingMessageHandler;
 import org.springframework.integration.handler.advice.AbstractRequestHandlerAdvice;
-import org.springframework.integration.message.GenericMessage;
+import org.springframework.messaging.support.GenericMessage;
 import org.springframework.integration.test.util.TestUtils;
 import org.springframework.messaging.Message;
 import org.springframework.messaging.MessageChannel;

spring-integration-file/src/test/java/org/springframework/integration/file/remote/gateway/RemoteFileOutboundGatewayTests.java

@@ -46,7 +46,7 @@ import org.springframework.integration.file.filters.AbstractSimplePatternFileLis
 import org.springframework.integration.file.remote.AbstractFileInfo;
 import org.springframework.integration.file.remote.session.Session;
 import org.springframework.integration.file.remote.session.SessionFactory;
-import org.springframework.integration.message.GenericMessage;
+import org.springframework.messaging.support.GenericMessage;
 import org.springframework.integration.support.MessageBuilder;
 import org.springframework.messaging.Message;
 import org.springframework.messaging.MessagingException;

spring-integration-file/src/test/java/org/springframework/integration/file/remote/handler/FileTransferringMessageHandlerTests.java

@@ -45,7 +45,7 @@ import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.integration.file.remote.session.CachingSessionFactory;
 import org.springframework.integration.file.remote.session.Session;
 import org.springframework.integration.file.remote.session.SessionFactory;
-import org.springframework.integration.message.GenericMessage;
+import org.springframework.messaging.support.GenericMessage;
 import org.springframework.integration.support.MessageBuilder;
 import org.springframework.integration.test.util.TestUtils;
 import org.springframework.integration.util.SimplePool;