/*
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gtugs.service;
import org.gtugs.domain.Event;
import org.gtugs.domain.Point;
import org.springframework.validation.Validator;
import org.springframework.validation.Errors;
import java.net.MalformedURLException;
import java.net.URL;
/**
* @author jasonacooper@google.com (Jason Cooper)
*/
public class EventValidator implements Validator {
private MapsService mapsService;
public boolean supports(Class c) {
return Event.class.equals(c);
}
public void validate(Object obj, Errors errors) {
Event event = (Event) obj;
boolean locationErrors = false;
if (event == null) {
errors.rejectValue("name", null, null, "Name required");
}
else {
if (event.getName() == null || event.getName().equals("")) {
errors.rejectValue("name", null, null, "Name required");
}
if (event.getTimeZone() == null || event.getTimeZone().equals("")) {
errors.rejectValue("timeZone", null, null, "Time zone required");
}
if (event.getStartDate() == null) {
errors.rejectValue("startDate", null, null, "Start date required");
} else if (event.getEndDate() == null) {
errors.rejectValue("endDate", null, null, "End date required");
} else if (event.getEndDate().before(event.getStartDate())) {
errors.rejectValue("endDate", null, null,
"End time must occur after start time");
}
if (event.getStreetAddress() == null ||
event.getStreetAddress().equals("")) {
errors.rejectValue("streetAddress", null, null, "Address required");
locationErrors = true;
}
if (event.getCity() == null || event.getCity().equals("")) {
errors.rejectValue("city", null, null, "City required");
locationErrors = true;
}
if (event.getCountry() == null || event.getCountry().equals("")) {
errors.rejectValue("country", null, null, "Country required");
locationErrors = true;
}
if (event.getUrl() != null && !event.getUrl().equals("") &&
!isValidUrl(event.getUrl())) {
errors.rejectValue("url", null, null, "Invalid URL");
}
if (event.getDescription() == null ||
event.getDescription().equals("")) {
errors.rejectValue("description", null, null, "Description required");
}
if (!locationErrors) {
Point point = mapsService.getCoordinates(event.getStreetAddress(),
event.getCity(), event.getState(), event.getCountry());
if (point == null) {
errors.rejectValue("streetAddress", null, null, "Geocoding failed: given address may be invalid or geocoding service may be offline");
errors.rejectValue("city", null, null, "Geocoding failed: given address may be invalid or geocoding service may be offline");
errors.rejectValue("state", null, null, "Geocoding failed: given address may be invalid or geocoding service may be offline");
errors.rejectValue("country", null, null, "Geocoding failed: given address may be invalid or geocoding service may be offline");
} else {
event.setLatitude(point.getLatitude());
event.setLongitude(point.getLongitude());
}
}
}
}
private boolean isValidUrl(String urlString) {
try {
URL url = new URL(urlString);
} catch (MalformedURLException e) {
return false;
}
return true;
}
public void setMapsService(MapsService mapsService) {
this.mapsService = mapsService;
}
}