Move listener APIs under core.listener package

Resolves #4867

Author: fmbenhassine

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterChunk.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -15,7 +15,7 @@
  */
 package org.springframework.batch.core.annotation;
 
-import org.springframework.batch.core.ChunkListener;
+import org.springframework.batch.core.listener.ChunkListener;
 import org.springframework.batch.core.scope.context.ChunkContext;
 
 import java.lang.annotation.ElementType;

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterChunkError.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -15,7 +15,7 @@
  */
 package org.springframework.batch.core.annotation;
 
-import org.springframework.batch.core.ChunkListener;
+import org.springframework.batch.core.listener.ChunkListener;
 import org.springframework.batch.core.scope.context.ChunkContext;
 
 import java.lang.annotation.ElementType;

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterJob.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2025 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.
@@ -23,7 +23,7 @@
 
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
-import org.springframework.batch.core.JobExecutionListener;
+import org.springframework.batch.core.listener.JobExecutionListener;
 
 /**
  * Marks a method to be called after a {@link Job} has completed. Annotated methods are

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterProcess.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2025 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.
@@ -21,7 +21,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.springframework.batch.core.ItemProcessListener;
+import org.springframework.batch.core.listener.ItemProcessListener;
 import org.springframework.batch.item.ItemProcessor;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterRead.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -20,7 +20,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.springframework.batch.core.ItemReadListener;
+import org.springframework.batch.core.listener.ItemReadListener;
 import org.springframework.batch.item.ItemReader;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterStep.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2025 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.
@@ -24,7 +24,7 @@
 import org.springframework.batch.core.ExitStatus;
 import org.springframework.batch.core.Step;
 import org.springframework.batch.core.StepExecution;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 
 /**
  * Marks a method to be called after a {@link Step} has completed. Annotated methods are

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/AfterWrite.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2025 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.
@@ -21,7 +21,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.springframework.batch.core.ItemWriteListener;
+import org.springframework.batch.core.listener.ItemWriteListener;
 import org.springframework.batch.item.ItemWriter;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/BeforeChunk.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -20,7 +20,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.springframework.batch.core.ChunkListener;
+import org.springframework.batch.core.listener.ChunkListener;
 import org.springframework.batch.core.scope.context.ChunkContext;
 
 /**

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/BeforeJob.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2025 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.
@@ -23,7 +23,7 @@
 
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
-import org.springframework.batch.core.JobExecutionListener;
+import org.springframework.batch.core.listener.JobExecutionListener;
 import org.springframework.batch.core.Step;
 import org.springframework.beans.factory.annotation.Qualifier;
 

spring-batch-core/src/main/java/org/springframework/batch/core/annotation/BeforeProcess.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -20,7 +20,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
-import org.springframework.batch.core.ItemProcessListener;
+import org.springframework.batch.core.listener.ItemProcessListener;
 import org.springframework.batch.item.ItemProcessor;
 
 /**