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.web.controller.concept; import java.util.Collection; import java.util.Date; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Set; import java.util.Vector; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openmrs.Concept; import org.openmrs.ConceptName; import org.openmrs.ConceptProposal; import org.openmrs.ConceptSearchResult; import org.openmrs.Obs; import org.openmrs.User; import org.openmrs.api.ConceptService; import org.openmrs.api.DuplicateConceptNameException; import org.openmrs.api.context.Context; import org.openmrs.notification.Alert; import org.openmrs.notification.AlertService; import org.openmrs.util.LocaleUtility; import org.openmrs.util.OpenmrsConstants; import org.openmrs.util.PrivilegeConstants; import org.openmrs.web.WebConstants; import org.openmrs.web.dwr.ConceptListItem; import org.springframework.context.support.MessageSourceAccessor; import org.springframework.util.StringUtils; import org.springframework.validation.BindException; import org.springframework.validation.Errors; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.SimpleFormController; import org.springframework.web.servlet.view.RedirectView; public class ConceptProposalFormController extends SimpleFormController { /** Logger for this class and subclasses */ protected final Log log = LogFactory.getLog(getClass()); /** * @see org.springframework.web.servlet.mvc.SimpleFormController#processFormSubmission(javax.servlet.http.HttpServletRequest, * javax.servlet.http.HttpServletResponse, java.lang.Object, * org.springframework.validation.BindException) */ @Override protected ModelAndView processFormSubmission(HttpServletRequest request, HttpServletResponse response, Object obj, BindException errors) throws Exception { HttpSession httpSession = request.getSession(); ConceptProposal cp = (ConceptProposal) obj; String action = request.getParameter("action"); Concept c = null; if (StringUtils.hasText(request.getParameter("conceptId"))) { c = Context.getConceptService().getConcept(Integer.valueOf(request.getParameter("conceptId"))); } cp.setMappedConcept(c); MessageSourceAccessor msa = getMessageSourceAccessor(); if (action.equals(msa.getMessage("general.cancel"))) { httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "general.canceled"); return new ModelAndView(new RedirectView(getSuccessView())); } else if (action.equals(msa.getMessage("ConceptProposal.ignore"))) { cp.setState(OpenmrsConstants.CONCEPT_PROPOSAL_REJECT); } else { // Set the state of the concept according to the button pushed if (cp.getMappedConcept() == null) { errors.rejectValue("mappedConcept", "ConceptProposal.mappedConcept.error"); } else { String proposalAction = request.getParameter("actionToTake"); if (proposalAction.equals("saveAsMapped")) { cp.setState(OpenmrsConstants.CONCEPT_PROPOSAL_CONCEPT); } else if (proposalAction.equals("saveAsSynonym")) { if (cp.getMappedConcept() == null) { errors.rejectValue("mappedConcept", "ConceptProposal.mappedConcept.error"); } if (!StringUtils.hasText(cp.getFinalText())) { errors.rejectValue("finalText", "error.null"); } cp.setState(OpenmrsConstants.CONCEPT_PROPOSAL_SYNONYM); } } } return super.processFormSubmission(request, response, cp, errors); } /** * The onSubmit function receives the form/command object that was modified by the input form * and saves it to the db * * @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest, * javax.servlet.http.HttpServletResponse, java.lang.Object, * org.springframework.validation.BindException) * @should create a single unique synonym and obs for all similar proposals * @should work properly for country locales */ protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object obj, BindException errors) throws Exception { HttpSession httpSession = request.getSession(); String view = getFormView(); Locale locale = Context.getLocale(); MessageSourceAccessor msa = getMessageSourceAccessor(); if (Context.isAuthenticated()) { // this concept proposal ConceptProposal cp = (ConceptProposal) obj; // this proposal's final text String finalText = cp.getFinalText(); ConceptService cs = Context.getConceptService(); AlertService alertService = Context.getAlertService(); // find the mapped concept Concept c = null; if (StringUtils.hasText(request.getParameter("conceptId"))) { c = cs.getConcept(Integer.valueOf(request.getParameter("conceptId"))); } Collection<ConceptName> oldNames = null; if (c != null) { oldNames = c.getNames(); } // The users to be alerted of this change Set<User> uniqueProposers = new HashSet<User>(); Locale conceptNameLocale = LocaleUtility.fromSpecification(request.getParameter("conceptNamelocale")); // map the proposal to the concept (creating obs along the way) uniqueProposers.add(cp.getCreator()); cp.setFinalText(finalText); try { cs.mapConceptProposalToConcept(cp, c, conceptNameLocale); } catch (DuplicateConceptNameException e) { httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "ConceptProposal.save.fail"); return new ModelAndView(new RedirectView(getSuccessView())); } ConceptName newConceptName = null; if (c != null) { Collection<ConceptName> newNames = c.getNames(); newNames.removeAll(oldNames); if (newNames.size() == 1) { newConceptName = newNames.iterator().next(); } } // all of the proposals to map with similar text List<ConceptProposal> allProposals = cs.getConceptProposals(cp.getOriginalText()); //exclude the proposal submitted with the form since it is already handled above if (allProposals.contains(cp)) { allProposals.remove(cp); } //Just mark the rest of the proposals as mapped to avoid duplicate synonyms and obs for (ConceptProposal conceptProposal : allProposals) { if (cp.getState().equals(OpenmrsConstants.CONCEPT_PROPOSAL_REJECT)) { conceptProposal.rejectConceptProposal(); conceptProposal.setComments(cp.getComments()); } else { //the question concept differs, this needs to me handled separately from the form if (conceptProposal.getObsConcept() != null && !conceptProposal.getObsConcept().equals(cp.getObsConcept())) { continue; } uniqueProposers.add(conceptProposal.getCreator()); conceptProposal.setFinalText(cp.getFinalText()); conceptProposal.setState(cp.getState()); conceptProposal.setMappedConcept(c); conceptProposal.setComments(cp.getComments()); if (conceptProposal.getObsConcept() != null) { Obs ob = new Obs(); ob.setEncounter(conceptProposal.getEncounter()); ob.setConcept(conceptProposal.getObsConcept()); ob.setValueCoded(conceptProposal.getMappedConcept()); if (conceptProposal.getState().equals(OpenmrsConstants.CONCEPT_PROPOSAL_SYNONYM) && newConceptName != null) { ob.setValueCodedName(newConceptName); } ob.setCreator(Context.getAuthenticatedUser()); ob.setDateCreated(new Date()); ob.setObsDatetime(conceptProposal.getEncounter().getEncounterDatetime()); ob.setLocation(conceptProposal.getEncounter().getLocation()); ob.setPerson(conceptProposal.getEncounter().getPatient()); cp.setObs(ob); } } cs.saveConceptProposal(conceptProposal); } String msg = ""; if (c != null) { String mappedName = c.getName(locale).getName(); String[] args = null; if (cp.getState().equals(OpenmrsConstants.CONCEPT_PROPOSAL_SYNONYM)) { args = new String[] { cp.getFinalText(), mappedName, cp.getComments() }; msg = msa.getMessage("ConceptProposal.alert.synonymAdded", args, locale); } else { args = new String[] { cp.getOriginalText(), mappedName, cp.getComments() }; msg = msa.getMessage("ConceptProposal.alert.mappedTo", args, locale); } } else if (cp.getState().equals(OpenmrsConstants.CONCEPT_PROPOSAL_REJECT)) { msg = msa.getMessage("ConceptProposal.alert.ignored", new String[] { cp.getOriginalText(), cp.getComments() }, locale); } try { // allow this user to save changes to alerts temporarily Context.addProxyPrivilege(PrivilegeConstants.MANAGE_ALERTS); alertService.saveAlert(new Alert(msg, uniqueProposers)); } finally { Context.removeProxyPrivilege(PrivilegeConstants.MANAGE_ALERTS); } view = getSuccessView(); httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "ConceptProposal.saved"); } return new ModelAndView(new RedirectView(view)); } /** * This is called prior to displaying a form for the first time. It tells Spring the * form/command object to load into the request * * @see org.springframework.web.servlet.mvc.AbstractFormController#formBackingObject(javax.servlet.http.HttpServletRequest) */ protected Object formBackingObject(HttpServletRequest request) throws ServletException { ConceptProposal cp = null; if (Context.isAuthenticated()) { ConceptService cs = Context.getConceptService(); String id = request.getParameter("conceptProposalId"); if (id != null) { cp = cs.getConceptProposal(Integer.valueOf(id)); } } if (cp == null) { cp = new ConceptProposal(); } return cp; } /** * @see org.springframework.web.servlet.mvc.SimpleFormController#referenceData(javax.servlet.http.HttpServletRequest, * java.lang.Object, org.springframework.validation.Errors) */ protected Map<String, Object> referenceData(HttpServletRequest request, Object object, Errors errors) throws Exception { Map<String, Object> map = new HashMap<String, Object>(); ConceptProposal cp = (ConceptProposal) object; Locale locale = Context.getLocale(); List<ConceptProposal> matchingProposals = new Vector<ConceptProposal>(); List<ConceptListItem> possibleConceptsListItems = new Vector<ConceptListItem>(); ConceptListItem listItem = null; Concept obsConcept = cp.getObsConcept(); if (obsConcept != null) { listItem = new ConceptListItem(obsConcept, obsConcept.getName(locale), locale); } map.put("obsConcept", listItem); String defaultVerbose = "false"; if (Context.isAuthenticated() && cp.getConceptProposalId() != null) { ConceptService cs = Context.getConceptService(); // optional user property for default verbose display in concept search defaultVerbose = Context.getAuthenticatedUser() .getUserProperty(OpenmrsConstants.USER_PROPERTY_SHOW_VERBOSE); // find all concept proposals with the same originalText matchingProposals = cs.getConceptProposals(cp.getOriginalText()); // search on part of the originalText to find possible matching concepts String phrase = cp.getOriginalText(); if (phrase.length() > 3) { phrase = phrase.substring(0, 3); } List<ConceptSearchResult> possibleConcepts = cs.getConcepts(phrase, locale, false); if (possibleConcepts != null) { for (ConceptSearchResult searchResult : possibleConcepts) { possibleConceptsListItems.add(new ConceptListItem(searchResult)); } } // premtively get the mapped concept name if (cp.getMappedConcept() != null) { map.put("mappedConceptName", cp.getMappedConcept().getName(locale)); } } map.put("possibleConcepts", possibleConceptsListItems); map.put("defaultVerbose", defaultVerbose.equals("true") ? true : false); map.put("states", OpenmrsConstants.CONCEPT_PROPOSAL_STATES()); map.put("matchingProposals", matchingProposals); map.put("locales", Context.getAdministrationService().getAllowedLocales()); return map; } }