Java tutorial
/** * This Source Code Form is subject to the terms of the Mozilla Public License, * v. 2.0. If a copy of the MPL was not distributed with this file, You can * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under * the terms of the Healthcare Disclaimer located at http://openmrs.org/license. * * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS * graphic logo is a trademark of OpenMRS Inc. */ package org.openmrs.propertyeditor; import java.beans.PropertyEditorSupport; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.Obs; import org.openmrs.api.ObsService; import org.openmrs.api.context.Context; import org.springframework.util.StringUtils; /** * Allows for serializing/deserializing a Obs object to a string so that Spring knows how to pass * a Obs back and forth through an html form or other medium * <br/> * In version 1.9, added ability for this to also retrieve objects by uuid * * @see Obs */ public class ObsEditor extends PropertyEditorSupport { private Log log = LogFactory.getLog(this.getClass()); /** * @should set using id * @should set using uuid * @should throw illegal argument exception for obs not found * @should return null for empty text * * @see java.beans.PropertyEditorSupport#setAsText(java.lang.String) */ public void setAsText(String text) throws IllegalArgumentException { ObsService obsService = Context.getObsService(); if (StringUtils.hasText(text)) { try { setValue(obsService.getObs(Integer.valueOf(text))); } catch (Exception exception) { Obs Obs = obsService.getObsByUuid(text); setValue(Obs); if (Obs == null) { log.error("Error setting text: " + text, exception); throw new IllegalArgumentException("Obs not found: " + exception.getMessage()); } } } else { setValue(null); } } /** * @should return empty string for non existing obs * @should return id as string for existing obs * * @see java.beans.PropertyEditorSupport#getAsText() */ public String getAsText() { Obs obs = (Obs) getValue(); if (obs == null) { return ""; } else { return obs.getObsId().toString(); } } }