edu.usf.cutr.HomeController.java Source code

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Here is the source code for edu.usf.cutr.HomeController.java

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/*
 * Copyright (C) 2015 University of South Florida (cagricetin@mail.usf.edu)
 *
 * 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 edu.usf.cutr;

import java.io.IOException;
import java.net.MalformedURLException;
import java.util.logging.Level;

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

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import edu.usf.cutr.constants.URLConstants;
import edu.usf.cutr.manager.IOManager;

/**
 * Handles requests for the application home page.
 */

@Controller
public class HomeController extends BaseController {

    @Autowired
    private IOManager ioManager;

    /**
     * Returns trip-updates in protocol buffer format
     */
    @RequestMapping(value = "/trip-updates.do", method = RequestMethod.GET)
    public void tripUdates(HttpServletRequest request, HttpServletResponse response) {
        try {
            logger.log(Level.INFO, "loading trips");
            String path = UrlUtils.getResourcePath(request, URLConstants.TRIPS_NAME);
            createStaticProtoBufFile(response, path);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /**
     * Returns vehicle-positions in protocol buffer format
     */
    @RequestMapping(value = "/vehicle-positions.do", method = RequestMethod.GET)
    public void vehiclePositions(HttpServletRequest request, HttpServletResponse response) {
        try {
            logger.log(Level.INFO, "loading vehicles");
            String path = UrlUtils.getResourcePath(request, URLConstants.VEHICLES_NAME);
            createStaticProtoBufFile(response, path);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /**
     * Updates original gtfs-rt files 
     */
    @RequestMapping(value = "/update-files.do", method = RequestMethod.GET)
    public void updateFiles(HttpServletRequest request, HttpServletResponse response) {
        try {
            String savePath = UrlUtils.getResourcePath(request, URLConstants.TRIPS_NAME);
            ioManager.downloadFile(URLConstants.TRIPS, savePath);
            savePath = UrlUtils.getResourcePath(request, URLConstants.VEHICLES_NAME);
            ioManager.downloadFile(URLConstants.VEHICLES, savePath);

        } catch (MalformedURLException e) {
            e.printStackTrace();
            createJSONResponse(response, "Status: ERROR \n" + e);
        } catch (IOException e) {
            e.printStackTrace();
            createJSONResponse(response, "Status: ERROR \n" + e);
        }
        createJSONResponse(response, "Status: OK");
    }

}