Move listener APIs under core.listener package

Resolves #4867

spring-batch-integration/src/main/java/org/springframework/batch/integration/async/AsyncItemProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2023 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.
@@ -19,6 +19,7 @@ import java.util.concurrent.Future;
 import java.util.concurrent.FutureTask;
 
 import org.springframework.batch.core.StepExecution;
+import org.springframework.batch.core.listener.ItemProcessListener;
 import org.springframework.batch.core.scope.context.StepContext;
 import org.springframework.batch.core.scope.context.StepSynchronizationManager;
 import org.springframework.batch.item.ItemProcessor;
@@ -38,9 +39,7 @@ import org.springframework.util.Assert;
  * lifecycle and stats limitations (since the framework doesn't know what the result of
  * the processor is). While not an exhaustive list, things like
  * {@link StepExecution#getFilterCount()} will not reflect the number of filtered items
- * and
- * {@link org.springframework.batch.core.ItemProcessListener#onProcessError(Object, Exception)}
- * will not be called.
+ * and {@link ItemProcessListener#onProcessError(Object, Exception)} will not be called.
  *
  * @author Dave Syer
  * @author Mahmoud Ben Hassine

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/ChunkMessageChannelItemWriter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2023 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.
@@ -29,7 +29,7 @@ import org.springframework.batch.core.BatchStatus;
 import org.springframework.batch.core.ExitStatus;
 import org.springframework.batch.core.StepContribution;
 import org.springframework.batch.core.StepExecution;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 import org.springframework.batch.item.Chunk;
 import org.springframework.batch.item.ExecutionContext;
 import org.springframework.batch.item.ItemStream;

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/RemoteChunkHandlerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2023 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.reflect.Field;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.batch.core.StepContribution;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 import org.springframework.batch.item.Chunk;
 import org.springframework.batch.core.step.item.ChunkOrientedTasklet;
 import org.springframework.batch.core.step.item.ChunkProcessor;

spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/RemoteChunkingManagerStepBuilder.java

@@ -15,11 +15,11 @@
  */
 package org.springframework.batch.integration.chunk;
 
-import org.springframework.batch.core.ChunkListener;
-import org.springframework.batch.core.ItemReadListener;
-import org.springframework.batch.core.ItemWriteListener;
-import org.springframework.batch.core.SkipListener;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.ChunkListener;
+import org.springframework.batch.core.listener.ItemReadListener;
+import org.springframework.batch.core.listener.ItemWriteListener;
+import org.springframework.batch.core.listener.SkipListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.step.builder.FaultTolerantStepBuilder;
 import org.springframework.batch.core.step.builder.StepBuilder;

spring-batch-integration/src/main/java/org/springframework/batch/integration/partition/RemotePartitioningManagerStepBuilder.java

@@ -17,7 +17,7 @@
 package org.springframework.batch.integration.partition;
 
 import org.springframework.batch.core.Step;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 import org.springframework.batch.core.repository.explore.JobExplorer;
 import org.springframework.batch.core.partition.PartitionHandler;
 import org.springframework.batch.core.partition.StepExecutionSplitter;

spring-batch-integration/src/main/java/org/springframework/batch/integration/partition/RemotePartitioningWorkerStepBuilder.java

@@ -21,7 +21,7 @@ import org.apache.commons.logging.LogFactory;
 
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.Step;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 import org.springframework.batch.core.repository.explore.JobExplorer;
 import org.springframework.batch.core.job.flow.Flow;
 import org.springframework.batch.core.partition.Partitioner;

spring-batch-integration/src/test/java/org/springframework/batch/integration/chunk/RemoteChunkingManagerStepBuilderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2023 the original author or authors.
+ * Copyright 2018-2025 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.
@@ -23,14 +23,14 @@ import javax.sql.DataSource;
 
 import org.junit.jupiter.api.Test;
 
-import org.springframework.batch.core.ChunkListener;
-import org.springframework.batch.core.ItemReadListener;
-import org.springframework.batch.core.ItemWriteListener;
+import org.springframework.batch.core.listener.ChunkListener;
+import org.springframework.batch.core.listener.ItemReadListener;
+import org.springframework.batch.core.listener.ItemWriteListener;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobParameters;
-import org.springframework.batch.core.SkipListener;
+import org.springframework.batch.core.listener.SkipListener;
 import org.springframework.batch.core.StepExecution;
-import org.springframework.batch.core.StepExecutionListener;
+import org.springframework.batch.core.listener.StepExecutionListener;
 import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
 import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.batch.core.step.item.ChunkOrientedTasklet;