Java tutorial
/* * The contents of this file are subject to the OpenMRS Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://license.openmrs.org * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * Copyright (C) OpenMRS, LLC. All Rights Reserved. */ package org.openmrs.module.emr.order; import org.apache.commons.lang.StringUtils; import org.openmrs.Order; import org.openmrs.api.impl.BaseOpenmrsService; import org.openmrs.module.idgen.validator.LuhnMod10IdentifierValidator; public class EmrOrderServiceImpl extends BaseOpenmrsService implements EmrOrderService { @Override public void ensureAccessionNumberAssignedTo(Order order) { if (order.getAccessionNumber() == null) { String accessionNumber = new LuhnMod10IdentifierValidator() .getValidIdentifier(order.getOrderId().toString()); accessionNumber = StringUtils.leftPad(accessionNumber, 10, "0"); // pad the accession number to 10 digits order.setAccessionNumber(accessionNumber); } } }