001/* 002 * Copyright 2013-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.springframework.batch.core.jsr; 017 018import javax.batch.operations.BatchRuntimeException; 019 020import org.springframework.batch.core.ItemProcessListener; 021import org.springframework.lang.Nullable; 022import org.springframework.util.Assert; 023 024/** 025 * Wrapper class for {@link javax.batch.api.chunk.listener.ItemProcessListener} 026 * 027 * @author Michael Minella 028 * @author Mahmoud Ben Hassine 029 * 030 * @param <T> input type 031 * @param <S> output type 032 * @since 3.0 033 */ 034public class ItemProcessListenerAdapter<T,S> implements ItemProcessListener<T, S> { 035 036 private javax.batch.api.chunk.listener.ItemProcessListener delegate; 037 038 /** 039 * @param delegate to be called within the batch lifecycle 040 */ 041 public ItemProcessListenerAdapter(javax.batch.api.chunk.listener.ItemProcessListener delegate) { 042 Assert.notNull(delegate, "An ItemProcessListener is required"); 043 this.delegate = delegate; 044 } 045 046 @Override 047 public void beforeProcess(T item) { 048 try { 049 delegate.beforeProcess(item); 050 } catch (Exception e) { 051 throw new BatchRuntimeException(e); 052 } 053 } 054 055 @Override 056 public void afterProcess(T item, @Nullable S result) { 057 try { 058 delegate.afterProcess(item, result); 059 } catch (Exception e) { 060 throw new BatchRuntimeException(e); 061 } 062 } 063 064 @Override 065 public void onProcessError(T item, Exception e) { 066 try { 067 delegate.onProcessError(item, e); 068 } catch (Exception e1) { 069 throw new BatchRuntimeException(e1); 070 } 071 } 072}