001/* 002 * Copyright 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.ItemReadListener; 021import org.springframework.batch.item.ItemReader; 022import org.springframework.util.Assert; 023 024/** 025 * Wrapper class to adapt the {@link javax.batch.api.chunk.listener.ItemReadListener} to 026 * a {@link ItemReadListener}. 027 * 028 * @author Michael Minella 029 * @author Mahmoud Ben Hassine 030 * 031 * @param <T> type to be returned via a read on the associated {@link ItemReader} 032 * @since 3.0 033 */ 034public class ItemReadListenerAdapter<T> implements ItemReadListener<T> { 035 036 private javax.batch.api.chunk.listener.ItemReadListener delegate; 037 038 public ItemReadListenerAdapter(javax.batch.api.chunk.listener.ItemReadListener delegate) { 039 Assert.notNull(delegate, "An ItemReadListener is required"); 040 this.delegate = delegate; 041 } 042 043 @Override 044 public void beforeRead() { 045 try { 046 delegate.beforeRead(); 047 } catch (Exception e) { 048 throw new BatchRuntimeException(e); 049 } 050 } 051 052 @Override 053 public void afterRead(T item) { 054 try { 055 delegate.afterRead(item); 056 } catch (Exception e) { 057 throw new BatchRuntimeException(e); 058 } 059 } 060 061 @Override 062 public void onReadError(Exception ex) { 063 try { 064 delegate.onReadError(ex); 065 } catch (Exception e) { 066 throw new BatchRuntimeException(e); 067 } 068 } 069}