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+package se.citerus.dddsample.application.web;
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+
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+import org.springframework.context.MessageSource;
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+import se.citerus.dddsample.domain.model.cargo.Cargo;
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+import se.citerus.dddsample.domain.model.cargo.DeliveryHistory;
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+import se.citerus.dddsample.domain.model.carrier.CarrierMovement;
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+import se.citerus.dddsample.domain.model.handling.HandlingEvent;
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+import se.citerus.dddsample.domain.model.location.Location;
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+
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+import java.text.SimpleDateFormat;
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+import java.util.ArrayList;
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+import java.util.Collections;
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+import java.util.List;
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+import java.util.Locale;
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+
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+/**
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+ * View adapter for displaying a cargo in a tracking context.
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+ */
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+public final class CargoTrackingViewAdapter {
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+
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+ private final Cargo cargo;
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+ private final MessageSource messageSource;
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+ private final Locale locale;
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+ private final List<HandlingEventViewAdapter> events;
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+
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+ /**
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+ * Constructor.
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+ *
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+ * @param cargo
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+ * @param messageSource
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+ * @param locale
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+ */
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+ public CargoTrackingViewAdapter(Cargo cargo, MessageSource messageSource, Locale locale) {
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+ this.messageSource = messageSource;
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+ this.locale = locale;
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+ this.cargo = cargo;
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+
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+ final List<HandlingEvent> handlingEvents = cargo.deliveryHistory().eventsOrderedByCompletionTime();
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+ this.events = new ArrayList<HandlingEventViewAdapter>(handlingEvents.size());
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+ for (HandlingEvent handlingEvent : handlingEvents) {
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+ events.add(new HandlingEventViewAdapter(handlingEvent));
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+ }
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+ }
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+
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+ /**
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+ * @param location a location
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+ * @return A formatted string for displaying the location.
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+ */
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+ private String getDisplayText(Location location) {
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+ return location.unLocode().idString() + " (" + location.name() + ")";
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+ }
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+
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+ /**
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+ * @return An unmodifiable list of handling event view adapters.
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+ */
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+ public List<HandlingEventViewAdapter> getEvents() {
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+ return Collections.unmodifiableList(events);
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+ }
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+
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+ /**
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+ * @return A translated string describing the cargo status.
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+ */
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+ public String getStatusText() {
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+ final DeliveryHistory deliveryHistory = cargo.deliveryHistory();
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+ final String code = "cargo.status." + deliveryHistory.status().name();
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+
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+ final Object[] args;
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+ switch (deliveryHistory.status()) {
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+ case IN_PORT:
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+ args = new Object[] {getDisplayText(deliveryHistory.currentLocation())};
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+ break;
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+ case ONBOARD_CARRIER:
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+ args = new Object[] {deliveryHistory.currentCarrierMovement().carrierMovementId().idString()};
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+ break;
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+ case CLAIMED:
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+ case NOT_RECEIVED:
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+ case UNKNOWN:
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+ default:
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+ args = null;
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+ break;
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+ }
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+
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+ return messageSource.getMessage(code, args, "[Unknown status]", locale);
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+ }
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+
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+ /**
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+ * @return Cargo destination location.
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+ */
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+ public String getDestination() {
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+ return getDisplayText(cargo.destination());
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+ }
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+
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+ /**
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+ * @return Cargo osigin location.
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+ */
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+ public String getOrigin() {
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+ return getDisplayText(cargo.origin());
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+ }
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+
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+ /**
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+ * @return Cargo tracking id.
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+ */
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+ public String getTrackingId() {
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+ return cargo.trackingId().idString();
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+ }
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+
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+ /**
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+ * @return True if cargo is misdirected.
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+ */
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+ public boolean isMisdirected() {
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+ return cargo.isMisdirected();
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+ }
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+
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+ /**
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+ * Handling event view adapter component.
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+ */
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+ public final class HandlingEventViewAdapter {
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+
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+ private final HandlingEvent handlingEvent;
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+ private final String FORMAT = "yyyy-MM-dd hh:mm";
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+
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+ /**
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+ * Constructor.
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+ *
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+ * @param handlingEvent handling event
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+ */
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+ public HandlingEventViewAdapter(HandlingEvent handlingEvent) {
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+ this.handlingEvent = handlingEvent;
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+ }
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+
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+ /**
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+ * @return Location where the event occurred.
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+ */
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+ public String getLocation() {
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+ return handlingEvent.location().unLocode().idString();
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+ }
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+
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+ /**
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+ * @return Time when the event was completed.
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+ */
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+ public String getTime() {
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+ return new SimpleDateFormat(FORMAT).format(handlingEvent.completionTime());
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+ }
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+
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+ /**
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+ * @return Type of event.
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+ */
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+ public String getType() {
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+ return handlingEvent.type().toString();
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+ }
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+
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+ /**
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+ * @return Carrier movement id, or empty string if not applicable.
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+ */
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+ public String getCarrierMovement() {
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+ final CarrierMovement cm = handlingEvent.carrierMovement();
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+ return cm != null ? cm.carrierMovementId().toString() : "";
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+ }
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+
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+ /**
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+ * @return True if the event was expected, according to the cargo's itinerary.
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+ */
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+ public boolean isExpected() {
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+ return cargo.itinerary().isExpected(handlingEvent);
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+ }
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+
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+ }
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168
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+}
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peter_backlund
18 年之前