com.devnexus.ting.web.interceptor.GlobalDataInterceptor.java Source code

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Here is the source code for com.devnexus.ting.web.interceptor.GlobalDataInterceptor.java

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/*
 * Copyright 2002-2015 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.devnexus.ting.web.interceptor;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.devnexus.ting.core.service.BusinessService;
import com.devnexus.ting.model.Event;

/**
 *
 * @author Gunnar Hillert
 *
 */
public class GlobalDataInterceptor implements HandlerInterceptor {

    @Autowired
    private BusinessService businessService;

    @Autowired
    private Environment environment;

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object object,
            Exception exception) throws Exception {
    }

    @Override
    public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
            throws Exception {
    }

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object object)
            throws Exception {

        final List<Event> events = businessService.getAllNonCurrentEvents();
        final Event currentEvent = businessService.getCurrentEvent();
        request.setAttribute("eventsForMenu", events);
        request.setAttribute("currentEvent", currentEvent);
        request.setAttribute("contextEvent", currentEvent);

        final String cfpState = environment.getProperty("cfpState.state");
        request.setAttribute("cfpState", cfpState);

        final String registrationState = environment.getProperty("registration.state");
        request.setAttribute("registrationState", registrationState);

        return true;
    }

}