001/* 002 * Copyright 2009-2014 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.sample.domain.order.internal.extractor; 017 018import org.springframework.batch.item.file.transform.FieldExtractor; 019import org.springframework.batch.sample.domain.order.Customer; 020import org.springframework.batch.sample.domain.order.Order; 021 022/** 023 * @author Dan Garrette 024 * @since 2.0.1 025 */ 026public class CustomerFieldExtractor implements FieldExtractor<Order> { 027 028 @Override 029 public Object[] extract(Order order) { 030 Customer customer = order.getCustomer(); 031 return new Object[] { "CUSTOMER:", customer.getRegistrationId(), emptyIfNull(customer.getFirstName()), 032 emptyIfNull(customer.getMiddleName()), emptyIfNull(customer.getLastName()) }; 033 } 034 035 private String emptyIfNull(String s) { 036 return s != null ? s : ""; 037 } 038 039}