1 /*
2 * Copyright 2006-2007 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.batch.item.support;
18
19 import org.springframework.batch.item.ItemProcessor;
20
21 /**
22 * Simple {@link ItemProcessor} that does nothing - simply passes its argument
23 * through to the caller. Useful as a default when the reader and writer in a
24 * business process deal with items of the same type, and no transformations are
25 * required.
26 *
27 * @author Dave Syer
28 *
29 */
30 public class PassThroughItemProcessor<T> implements ItemProcessor<T, T> {
31
32 /**
33 * Just returns the item back to the caller.
34 *
35 * @return the item
36 * @see ItemProcessor#process(Object)
37 */
38 @Override
39 public T process(T item) throws Exception {
40 return item;
41 }
42
43 }