Fix NPE

jvalkeal · jvalkeal · commit 800e249b98cd · 2023-01-01T15:12:48.000Z
- Backport #593 - Fixes #598
diff --git a/spring-shell-core/src/main/java/org/springframework/shell/component/flow/BaseSingleItemSelector.java b/spring-shell-core/src/main/java/org/springframework/shell/component/flow/BaseSingleItemSelector.java
@@ -118,7 +118,7 @@ public SingleItemSelectorSpec max(int max) {
 	@Override
 	public SingleItemSelectorSpec preHandler(Consumer<SingleItemSelectorContext<String, SelectorItem<String>>> handler) {
 		this.preHandlers.add(handler);
-		return null;
+		return this;
 	}
 
 	@Override

Original file line number	Diff line number	Diff line change
`@@ -118,7 +118,7 @@ public SingleItemSelectorSpec max(int max) {`
`118`	`118`	`@Override`
`119`	`119`	`public SingleItemSelectorSpec preHandler(Consumer<SingleItemSelectorContext<String, SelectorItem<String>>> handler) {`
`120`	`120`	`this.preHandlers.add(handler);`
`121`		`- return null;`
	`121`	`+ return this;`
`122`	`122`	`}`
`123`	`123`
`124`	`124`	`@Override`