Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package gov.va.ehtac.myappsonfhir.ui; import ca.uhn.fhir.model.api.Bundle; import ca.uhn.fhir.model.api.BundleEntry; import ca.uhn.fhir.model.api.IDatatype; import ca.uhn.fhir.model.dstu2.composite.CodeableConceptDt; import ca.uhn.fhir.model.dstu2.composite.QuantityDt; import ca.uhn.fhir.model.dstu2.resource.Observation; import ca.uhn.fhir.model.primitive.DateTimeDt; import ca.uhn.fhir.model.primitive.UriDt; import ca.uhn.fhir.parser.XmlParser; import ca.uhn.fhir.rest.client.IGenericClient; import com.vaadin.addon.touchkit.ui.NavigationView; import com.vaadin.addon.touchkit.ui.VerticalComponentGroup; import com.vaadin.data.Item; import com.vaadin.data.util.IndexedContainer; import com.vaadin.server.FontAwesome; import com.vaadin.ui.Button; import com.vaadin.ui.CheckBox; import com.vaadin.ui.CssLayout; import com.vaadin.ui.Notification; import com.vaadin.ui.Table; import com.vaadin.ui.UI; import gov.va.ehtac.myappsonfhir.HealthElementsForPatientTouchKitUI; import gov.va.ehtac.myappsonfhir.dataresults.ObservationResults; import gov.va.ehtac.myappsonfhir.session.SessionAttributes; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; import java.util.List; /** * * @author Duane DeCouteau */ public class Vitals extends NavigationView { private Table vitalsTable; SessionAttributes session; Bundle bundle; public Vitals() { session = ((HealthElementsForPatientTouchKitUI) UI.getCurrent()).getSessionAttributes(); setCaption("Observations - " + session.getPatientNameGenderDisplay()); final VerticalComponentGroup content = new VerticalComponentGroup(); createTable(); content.addComponent(vitalsTable); final Button submitButton = new Button("Submit"); submitButton.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { Notification.show("Thanks!"); } }); setContent(new CssLayout(content)); } private void createTable() { vitalsTable = new Table(); // vitalsTable.setWidth("100%"); // vitalsTable.setHeight("250px"); vitalsTable.setMultiSelect(false); vitalsTable.setSelectable(true); vitalsTable.setImmediate(true); // react at once when something is selected vitalsTable.setEditable(false); vitalsTable.setContainerDataSource(populatePatientVitals()); vitalsTable.setColumnReorderingAllowed(true); vitalsTable.setColumnCollapsingAllowed(false); vitalsTable.setVisibleColumns(new Object[] { "selected", "displayName", "value", "unitofmeasure", "dateobserved", "reflow", "refhigh", "status" }); vitalsTable.setColumnHeaders(new String[] { "", "Observation", "Value", "UnitOfMeasure", "Date", "Ref. Low", "Ref. High", "Status" }); } private IndexedContainer populatePatientVitals() { IndexedContainer container = new IndexedContainer(); List<ObservationResults> rList = new ArrayList(); try { Bundle vitals = getVitals(); List<BundleEntry> lvitals = vitals.getEntries(); System.out.println("NUMBER OF Observations: " + lvitals.size()); Iterator iter = lvitals.iterator(); while (iter.hasNext()) { try { BundleEntry entry = (BundleEntry) iter.next(); Observation obs = (Observation) entry.getResource(); ObservationResults obj = new ObservationResults(); IDatatype dt = obs.getApplies(); CodeableConceptDt c = obs.getCode(); QuantityDt q = (QuantityDt) obs.getValue(); //units is missing //get reference range if applicable String refLow = ""; String refHigh = ""; String status = ""; String displayname = ""; String codesystem = ""; String code = ""; String value = ""; String units = ""; String dateobserved = ""; try { if (obs.getReferenceRange().size() > 0) { refLow = obs.getReferenceRange().get(0).getLow().getValue().toString(); refHigh = obs.getReferenceRange().get(0).getHigh().getValue().toString(); } status = obs.getStatus(); displayname = c.getCodingFirstRep().getDisplay(); codesystem = c.getCodingFirstRep().getSystem(); code = c.getCodingFirstRep().getCode(); value = q.getValue().toEngineeringString(); units = q.getUnits(); DateTimeDt dts = (DateTimeDt) dt; dateobserved = dts.getValueAsString(); } catch (Exception ex2) { ex2.printStackTrace(); } obj.setDisplayName(displayname); obj.setValue(value); obj.setUnitOfMeasure(units); obj.setDateObserved(dateobserved); obj.setCodeSystem(codesystem); obj.setCode(code); obj.setObservationType(""); obj.setStatus(status); obj.setRefHigh(refHigh); obj.setRefLow(refLow); obj.setPayload(obs); rList.add(obj); } catch (Exception ex) { System.out.println("****ERROR " + ex.getMessage()); ex.printStackTrace(); } } } catch (Exception ex) { ex.printStackTrace(); } container = createIndexedContainerVitals(rList); return container; } private Bundle getVitals() { //for time being just do this Bundle vitals = null; try { IGenericClient client = ((HealthElementsForPatientTouchKitUI) UI.getCurrent()).getFhirClient(); vitals = client.search(new UriDt(getObservationsSearchString())); System.out.println("Number of Observations Returned: " + vitals.getEntries().size()); // List<AtomEntry<? extends Resource>> lConditions = conditions.getEntryList(); // System.out.println("Number OF Medications: "+lConditions.size()); } catch (Exception ex) { ex.printStackTrace(); } bundle = vitals; return vitals; } private IndexedContainer createIndexedContainerVitals(Collection<ObservationResults> collection) { IndexedContainer container = new IndexedContainer(); container.addContainerProperty("selected", CheckBox.class, null); container.addContainerProperty("displayName", String.class, null); container.addContainerProperty("value", String.class, null); container.addContainerProperty("unitofmeasure", String.class, null); container.addContainerProperty("dateobserved", String.class, null); container.addContainerProperty("codesystem", String.class, null); container.addContainerProperty("code", String.class, null); container.addContainerProperty("status", String.class, null); container.addContainerProperty("reflow", String.class, null); container.addContainerProperty("refhigh", String.class, null); container.addContainerProperty("oObservation", ObservationResults.class, null); int i = 0; for (ObservationResults p : collection) { i++; Integer id = new Integer(i); Item item = container.addItem(id); item.getItemProperty("selected").setValue(new CheckBox()); item.getItemProperty("displayName").setValue(p.getDisplayName()); item.getItemProperty("value").setValue(p.getValue()); item.getItemProperty("unitofmeasure").setValue(p.getUnitOfMeasure()); item.getItemProperty("dateobserved").setValue(p.getDateObserved()); item.getItemProperty("codesystem").setValue(p.getCodeSystem()); item.getItemProperty("code").setValue(p.getCode()); item.getItemProperty("status").setValue(p.getStatus()); item.getItemProperty("reflow").setValue(p.getRefLow()); item.getItemProperty("refhigh").setValue(p.getRefHigh()); item.getItemProperty("oObservation").setValue(p); } return container; } private String composeXMLStringFeed(Bundle feed) { String res = ""; try { XmlParser xmlP = new XmlParser(((HealthElementsForPatientTouchKitUI) UI.getCurrent()).getFhirContext()); res = xmlP.encodeBundleToString(feed); } catch (Exception ex) { ex.printStackTrace(); } return res; } // // private String composeXMLString(Resource obj) { // String res = ""; // try { // XmlComposer xml = new XmlComposer(); // ByteArrayOutputStream bo = new ByteArrayOutputStream(); // xml.compose(bo, obj, true); // res = new String(bo.toByteArray()); // bo.close(); // } // catch (Exception ex) { // ex.printStackTrace(); // } // return res; // } private String getObservationsSearchString() { String res = session.getBaseURL() + "Observation?subject=Patient/" + session.getPatientId(); System.out.println(res); return res; } }