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