org.kuali.mobility.conference.controllers.ConferenceController.java Source code

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Here is the source code for org.kuali.mobility.conference.controllers.ConferenceController.java

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/**
 * The MIT License
 * Copyright (c) 2011 Kuali Mobility Team
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.kuali.mobility.conference.controllers;

import org.apache.commons.lang.StringEscapeUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import twitter4j.*;

import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

@Controller
@RequestMapping("json")
public class ConferenceController {

    @RequestMapping("index")
    public String index(HttpServletRequest request, Model uiModel) {
        return "";
    }

    // ==================================================================================================
    // PASSTHROUGH (for attendee & attendees) JSON
    // ==================================================================================================
    // Requires "feedurl" query string parameter: ?feedurl=[[encoded URL]]
    @RequestMapping(value = "passthrough", method = RequestMethod.GET)
    public ResponseEntity<String> passthrough(@RequestParam(value = "feedurl", required = true) String feedURL,
            HttpServletRequest request) {
        ResponseEntity<String> responseEntity;
        try {
            System.setProperty("https.protocols", "SSLv3");
            StringBuilder jsonBuilder = new StringBuilder();
            URL feed = new URL(feedURL);

            URLConnection urlConn = feed.openConnection();

            BufferedReader jsonLine = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

            String inputLine;

            while ((inputLine = jsonLine.readLine()) != null) {
                jsonBuilder.append(inputLine);
            }

            jsonLine.close();

            responseEntity = new ResponseEntity<String>(jsonBuilder.toString(), HttpStatus.OK);
        } catch (MalformedURLException e) {
            System.err.println(e.getLocalizedMessage());
            e.printStackTrace();
            responseEntity = new ResponseEntity<String>("", HttpStatus.BAD_REQUEST);
        } catch (IOException e) {
            System.err.println(e.getLocalizedMessage());
            e.printStackTrace();
            responseEntity = new ResponseEntity<String>("", HttpStatus.BAD_REQUEST);
        } catch (Exception e) {
            System.err.println(e.getLocalizedMessage());
            e.printStackTrace();
            responseEntity = new ResponseEntity<String>("", HttpStatus.INTERNAL_SERVER_ERROR);
        }

        return responseEntity;
    }

    // ==================================================================================================
    // TWITTER JSON
    // ==================================================================================================
    // Requires "term" query string parameter: ?term=YourURLEncodedSearchTerm
    @RequestMapping(value = "twitter-search", method = RequestMethod.GET)
    public ResponseEntity<String> twitterSearch(@RequestParam(value = "term", required = true) String searchParam,
            @RequestParam(value = "since", required = false) String sinceParam, HttpServletRequest request) {

        Twitter twitter = TwitterFactory.getSingleton();
        Query query = new Query(searchParam.isEmpty() ? "#kualidays" : searchParam);
        QueryResult result = null;
        query.setSince(!sinceParam.isEmpty() ? sinceParam : "2014-01-01");
        query.setCount(100);
        query.setResultType(Query.MIXED);
        String json = "";
        List<String> tweetList = new ArrayList<String>();

        try {
            result = twitter.search(query);
        } catch (TwitterException e) {
            System.err.println("Caught 'twitterSearch' IOException: " + e.getMessage());
        }

        String tweetInfo = "";
        for (Status status : result.getTweets()) {
            tweetInfo = "{";
            tweetInfo += "\"id\" : \"" + status.getId() + "\", ";
            tweetInfo += "\"avatar\" : \"" + status.getUser().getProfileImageURL() + "\", ";
            tweetInfo += "\"tweetedOn\" : \"" + status.getCreatedAt() + "\", ";
            tweetInfo += "\"tweetedOnParsed\" : \"" + status.getCreatedAt().getTime() + "\", ";
            tweetInfo += "\"screenname\" : \"" + status.getUser().getScreenName() + "\", ";
            tweetInfo += "\"status\" : \""
                    + StringEscapeUtils.escapeHtml(status.getText().replaceAll("(\\r|\\n)", "")) + "\", ";
            tweetInfo += "\"truncated\" : \"" + (status.isTruncated() ? "true" : "false") + "\",";
            tweetInfo += "\"retweeted\" : \"" + (status.isRetweet() ? "true" : "false") + "\"";
            tweetInfo += "}";

            tweetList.add(tweetInfo);
        }

        json = "[" + StringUtils.arrayToDelimitedString(tweetList.toArray(), ",") + "]";

        return new ResponseEntity<String>(json, HttpStatus.OK);
    }

}