001/* 002 * Copyright 2006-2007 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 */ 016 017package org.springframework.batch.item.support; 018 019import org.springframework.batch.item.ItemProcessor; 020 021/** 022 * Simple {@link ItemProcessor} that does nothing - simply passes its argument 023 * through to the caller. Useful as a default when the reader and writer in a 024 * business process deal with items of the same type, and no transformations are 025 * required. 026 * 027 * @author Dave Syer 028 * 029 */ 030public class PassThroughItemProcessor<T> implements ItemProcessor<T, T> { 031 032 /** 033 * Just returns the item back to the caller. 034 * 035 * @return the item 036 * @see ItemProcessor#process(Object) 037 */ 038 @Override 039 public T process(T item) throws Exception { 040 return item; 041 } 042 043}