src/main/java/pnews/Main.java

   1 package pnews;
   2
   3 import java.io.BufferedWriter;
   4 import java.io.File;
   5 import java.io.IOException;
   6 import java.net.MalformedURLException;
   7 import java.net.URL;
   8 import java.nio.charset.StandardCharsets;
   9 import java.nio.file.Files;
  10 import java.util.ArrayList;
  11 import java.util.Comparator;
  12 import java.util.List;
  13
  14 import com.rometools.rome.feed.synd.SyndEnclosure;
  15 import com.rometools.rome.feed.synd.SyndEntry;
  16 import com.rometools.rome.feed.synd.SyndFeed;
  17 import com.rometools.rome.io.FeedException;
  18 import com.rometools.rome.io.SyndFeedInput;
  19 import com.rometools.rome.io.XmlReader;
  20 import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils.Collections;
  21
  22 import org.jsoup.*;
  23
  24 public class Main {
  25
  26         private static void addArticles(Category cat, SyndFeed feed, List<Article> articles) {
  27                 String thumbnail;
  28                 String desc;
  29
  30                 for (SyndEntry entry: feed.getEntries()) {
  31                         thumbnail = null;
  32                         for (SyndEnclosure e: entry.getEnclosures()) {
  33                                 if (e.getType().startsWith("image/"))
  34                                         thumbnail = e.getUrl();
  35                                 break;
  36                         }
  37
  38
  39
  40                         desc = Jsoup.parse(entry.getDescription().getValue()).text();
  41
  42                         articles.add(new Article(entry.getLink(),
  43                                                  cat,
  44                                                  entry.getTitle(),
  45                                                  desc,
  46                                                  thumbnail,
  47                                                  entry.getPublishedDate(),
  48                                                  feed.getTitle()));
  49                 }
  50         }
  51
  52         private static SyndFeed getSyndFeed(String u) throws IllegalArgumentException, FeedException, MalformedURLException, IOException {
  53                 try (XmlReader reader = new XmlReader(new URL(u))) {
  54                         return new SyndFeedInput().build(reader);
  55                 }
  56         }
  57
  58         private static List<Article> getArticles(Category cat) throws IllegalArgumentException, MalformedURLException, FeedException, IOException {
  59                 List<Article> articles;
  60
  61                 articles = new ArrayList<>();
  62
  63                 switch (cat) {
  64                 case TOP:
  65                         addArticles(cat, getSyndFeed("http://www.france24.com/fr/actualites/rss"), articles);
  66                         addArticles(cat, getSyndFeed("http://www.bfmtv.com/rss/info/flux-rss/flux-toutes-les-actualites/"), articles);
  67                         break;
  68                 case SPORT:
  69                         addArticles(cat, getSyndFeed("http://www.france24.com/fr/sports/rss"), articles);
  70                         break;
  71                 case FRANCE:
  72                         addArticles(cat, getSyndFeed("http://www.france24.com/fr/france/rss"), articles);
  73                         break;
  74                 case EUROPE:
  75                         addArticles(cat, getSyndFeed("http://www.france24.com/fr/europe/rss"), articles);
  76                         break;
  77                 case ECO:
  78                         addArticles(cat, getSyndFeed("http://www.france24.com/fr/economie/rss"), articles);
  79                         break;
  80                 default:
  81                         throw new IllegalArgumentException();
  82                 }
  83
  84                 articles.sort(new Comparator<Article> () {
  85                         @Override
  86                         public int compare(Article o1, Article o2) {
  87                                 return o2.publicationDate.compareTo(o1.publicationDate);
  88                         }
  89                 });
  90
  91                 return articles;
  92         }
  93
  94         private static void writeHTMLFile(Category cat) throws IllegalArgumentException, MalformedURLException, FeedException, IOException {
  95                 List<Article> articles;
  96                 String html;
  97                 File f;
  98
  99                 articles = getArticles(cat);
 100
 101                 html = HTML.toHTML(articles);
 102
 103                 f = new File(cat.getId() + ".html");
 104
 105                 try (BufferedWriter writer = Files.newBufferedWriter(f.toPath(), StandardCharsets.UTF_8)) {
 106                         writer.write(html);
 107                 }
 108         }
 109
 110         public static void main(String[] args) throws IllegalArgumentException, FeedException, IOException {
 111                 System.out.println("pnews");
 112
 113                 for (Category cat: Category.values())
 114                         writeHTMLFile(cat);
 115
 116                 System.out.println("done");
 117         }
 118 }