/*
* Copyright 2010 the original author or authors.
*
* 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 com.springsource.greenhouse.utils;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import com.springsource.greenhouse.home.UserLocationHandlerInterceptor;
/**
* A geo-location that can be plotted on a map.
* @author Keith Donald
*/
public final class Location {
private final Double latitude;
private final Double longitude;
public Location(Double latitude, Double longitude) {
this.latitude = latitude;
this.longitude = longitude;
}
/**
* The lat value.
*/
public Double getLatitude() {
return latitude;
}
/**
* The long value.
*/
public Double getLongitude() {
return longitude;
}
public int hashCode() {
return latitude.hashCode() + longitude.hashCode() * 29;
}
public boolean equals(Object o) {
if (!(o instanceof Location)) {
return false;
}
Location l = (Location) o;
return latitude.equals(l.latitude) && l.longitude.equals(l.longitude);
}
/**
* Get the location of the user associated with the current request, if resolvable.
*/
public static Location getCurrentLocation() {
RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
return attributes != null ? (Location) attributes.getAttribute(UserLocationHandlerInterceptor.USER_LOCATION_ATTRIBUTE, RequestAttributes.SCOPE_REQUEST) : null;
}
}