formatting

spring-integration/src/main/java/com/baeldung/tx/TxIntegrationConfig.java

@@ -41,7 +41,7 @@ public class TxIntegrationConfig {
 
     private final Logger log = LoggerFactory.getLogger(this.getClass());
 
-    public final String INPUT_DIR = "/tmp/tx/";
+    public final String INPUT_DIR = System.getProperty("java.io.tmpdir") + "/tx/";
     public final String FILE_PATTERN = "*.txt";
 
     @Autowired
@@ -72,17 +72,14 @@ public class TxIntegrationConfig {
 
     @Bean
     public PollerMetadata pollerMetadata() {
-        return Pollers
-                .fixedDelay(5000)
+        return Pollers.fixedDelay(5000)
                  .advice(transactionInterceptor())
                  .transactionSynchronizationFactory(transactionSynchronizationFactory)
                  .get();
     }
 
     private TransactionInterceptor transactionInterceptor() {
-        return new TransactionInterceptorBuilder()
-                .transactionManager(txManager)
-                .build();
+        return new TransactionInterceptorBuilder().transactionManager(txManager).build();
     }
 
     @Bean