LocationHandlerMethodArgumentResolver.java

/*
 * Copyright (c) 2015. Bearchoke
 */

package com.bearchoke.platform.server.common.web.argumentresolver;

import com.bearchoke.platform.server.common.web.interceptor.Location;
import com.bearchoke.platform.server.common.web.interceptor.UserLocationHandlerInterceptor;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.WebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

/**
 * Created by Bjorn Harvold
 * Date: 10/12/14
 * Time: 1:31 PM
 * Responsibility:
 */
public class LocationHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver {

    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return Location.class.isAssignableFrom(parameter.getParameterType());
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer modelAndViewContainer, NativeWebRequest webRequest,
                                  WebDataBinderFactory binderFactory) throws Exception {
        return webRequest.getAttribute(UserLocationHandlerInterceptor.USER_LOCATION_ATTRIBUTE, WebRequest.SCOPE_REQUEST);
    }

}