Minor Fixes

- use passive mode for FTP tests
(active fails on one of my machines for some reason)

* Fix generic args instead of `@SuppressWarnings("rawtypes")`

Author: garyrussell

spring-integration-core/src/main/java/org/springframework/integration/json/JsonPropertyAccessor.java

@@ -40,6 +40,7 @@
  * @author Eric Bottard
  * @author Artem Bilan
  * @author Paul Martin
+ * @author Gary Russell
  *
  * @since 3.0
  */
@@ -164,7 +165,7 @@ private static TypedValue typedValue(JsonNode json) {
 		}
 	}
 
-	public static WrappedJsonNode wrap(JsonNode json) {
+	public static WrappedJsonNode<?> wrap(JsonNode json) {
 		if (json == null) {
 			return null;
 		}
@@ -243,7 +244,8 @@ public int hashCode() {
 	 * An {@link AbstractList} implementation around {@link ArrayNode} with {@link WrappedJsonNode} aspect.
 	 * @since 5.0
 	 */
-	public static class ArrayNodeAsList extends AbstractList<WrappedJsonNode> implements WrappedJsonNode<ArrayNode> {
+	public static class ArrayNodeAsList extends AbstractList<WrappedJsonNode<?>>
+			implements WrappedJsonNode<ArrayNode> {
 
 		private final ArrayNode node;
 
@@ -257,7 +259,7 @@ public ArrayNode getTarget() {
 		}
 
 		@Override
-		public WrappedJsonNode get(int index) {
+		public WrappedJsonNode<?> get(int index) {
 			return wrap(this.node.get(index));
 		}
 
@@ -267,9 +269,9 @@ public int size() {
 		}
 
 		@Override
-		public Iterator<WrappedJsonNode> iterator() {
+		public Iterator<WrappedJsonNode<?>> iterator() {
 
-			return new Iterator<WrappedJsonNode>() {
+			return new Iterator<WrappedJsonNode<?>>() {
 
 				private final Iterator<JsonNode> delegate = ArrayNodeAsList.this.node.iterator();
 
@@ -279,7 +281,7 @@ public boolean hasNext() {
 				}
 
 				@Override
-				public WrappedJsonNode next() {
+				public WrappedJsonNode<?> next() {
 					return wrap(this.delegate.next());
 				}
 

spring-integration-ftp/src/test/java/org/springframework/integration/ftp/FtpTestSupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 the original author or authors.
+ * Copyright 2015-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@
 
 import java.util.Arrays;
 
+import org.apache.commons.net.ftp.FTPClient;
 import org.apache.commons.net.ftp.FTPFile;
 import org.apache.ftpserver.FtpServer;
 import org.apache.ftpserver.FtpServerFactory;
@@ -85,6 +86,7 @@ public static SessionFactory<FTPFile> sessionFactory() {
 		sf.setPort(port);
 		sf.setUsername("foo");
 		sf.setPassword("foo");
+		sf.setClientMode(FTPClient.PASSIVE_LOCAL_DATA_CONNECTION_MODE);
 
 		return new CachingSessionFactory<FTPFile>(sf);
 	}