Java tutorial
/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * 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. * * The Original Code is part of dcm4che, an implementation of DICOM(TM) in * Java(TM), hosted at https://github.com/gunterze/dcm4che. * * The Initial Developer of the Original Code is * Agfa Healthcare. * Portions created by the Initial Developer are Copyright (C) 2011 * the Initial Developer. All Rights Reserved. * * Contributor(s): * See @authors listed below * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ package org.dcm4chee.archive.patient; import java.util.Map; import org.apache.commons.beanutils.BeanMap; import org.dcm4chee.archive.conf.PatientSelectorConfig; import org.dcm4chee.archive.conf.StoreParam; /** * @author Umberto Cappellini <umberto.cappellini@agfa.com> * */ public class PatientSelectorFactory { private static String selectorClass = null; private static Map<String, String> selectorProperties = null; private static PatientSelector selector = null; public static PatientSelector createSelector(StoreParam param) { if (param != null && param.getPatientSelectorConfig() != null && param.getPatientSelectorConfig().getPatientSelectorClassName() != null && param.getPatientSelectorConfig().getPatientSelectorProperties() != null) { PatientSelectorConfig conf = param.getPatientSelectorConfig(); //check if something is changed if (!conf.getPatientSelectorClassName().equals(selectorClass) || !conf.getPatientSelectorProperties().equals(selectorProperties)) { selectorClass = conf.getPatientSelectorClassName(); selectorProperties = conf.getPatientSelectorProperties(); selector = createSelector(conf); } return selector; } else return new IDPatientSelector(); // default } private static PatientSelector createSelector(PatientSelectorConfig conf) { try { Object selectorObject = Class.forName(conf.getPatientSelectorClassName()).newInstance(); BeanMap map = new BeanMap(selectorObject); for (String key : conf.getPatientSelectorProperties().keySet()) map.put(key, conf.getPatientSelectorProperties().get(key)); return (PatientSelector) map.getBean(); } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) { throw new IllegalArgumentException("conf=" + conf, e); } } }