package pnews.servlet;
import java.io.IOException;
+import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.logging.Logger;
import org.jsoup.Jsoup;
+import org.xml.sax.InputSource;
import com.rometools.rome.feed.synd.SyndEnclosure;
import com.rometools.rome.feed.synd.SyndEntry;
}
private static SyndFeed getSyndFeed(String u) throws IllegalArgumentException, FeedException, MalformedURLException, IOException {
- try (XmlReader reader = new XmlReader(new URL(u))) {
- return new SyndFeedInput().build(reader);
- }
+ InputStream is = new URL(u).openConnection().getInputStream();
+ InputSource source = new InputSource(is);
+
+ return new SyndFeedInput().build(source);
+
}
private static Map<Category, String[]> getFeeds() {
"http://www.rfi.fr/economie/rss" });
result.put(Category.ESSONNE,
- new String[] { /*"https://www.essonneinfo.fr/feed/"*/ });
+ new String[] { "http://www.tourisme-essonne.com/rss/actus/",
+ "http://www.ville-palaiseau.fr/rss/actualites.htm"
+ /*"https://www.essonneinfo.fr/feed/"*/ });
+
+ result.put(Category.PEOPLE,
+ new String[] { "http://www.premiere.fr/rss/actu-live",
+ "http://www.purepeople.com/rss/news_t0.xml"
+ });
result.put(Category.TECHNOLOGIE,
new String[] { "http://feeds.feedburner.com/lesnumeriques/news",
private void addArticles(Category cat, SyndFeed feed) {
String thumbnail;
- String desc;
+ String desc, link, title;
Date date;
List<Article> articles;
+ boolean exist;
LOG.info("addArticles" + cat.getId());
break;
}
- if (entry.getDescription() != null) {
+ if (entry.getDescription() != null) {
desc = Jsoup.parse(entry.getDescription().getValue()).text();
} else {
desc = null;
date = entry.getUpdatedDate();
synchronized(articlesByCategory) {
+ link = entry.getLink().trim();
+ title = entry.getTitle().trim();
articles = articlesByCategory.get(cat);
+ exist = false;
if (articles == null) {
articles = new ArrayList<>();
articlesByCategory.put(cat, articles);
} else {
for (Article a: articles)
- if (a.link.equals(entry.getLink()))
- return ;
+ if (a.link.equals(link)) {
+ LOG.info(link + " already present");
+ exist = true;
+ }
}
- articles.add(new Article(entry.getLink(),
- cat,
- entry.getTitle(),
- desc,
- thumbnail,
- date,
- feed.getTitle()));
-
+ if (!exist) {
+ LOG.info("add " + cat.getId() + " " + feed.getTitle() + " " + title);
- Collections.sort(articles, new Comparator<Article>() {
- @Override
- public int compare(Article o1, Article o2) {
- return o2.publicationDate.compareTo(o1.publicationDate);
- }
-
- });
+ articles.add(new Article(link, cat, title, desc, thumbnail, date,
+ feed.getTitle()));
+
+ Collections.sort(articles, new Comparator<Article>() {
+ @Override
+ public int compare(Article o1, Article o2) {
+ return o2.publicationDate.compareTo(o1.publicationDate);
+ }
+
+ });
+ }
}
}
}
if (feeds != null)
for (String str: feeds)
- addArticles(cat, getSyndFeed(str));
+ try {
+ addArticles(cat, getSyndFeed(str));
+ } catch (IOException e) {
+ LOG.log(Level.SEVERE, "retrieveArticles failure " + cat.getId(), e);
+ }
else
LOG.severe("No feed for category " + cat);
}
private static final Logger LOG = Logger.getLogger(Pnews.class.getName());
private static final long serialVersionUID = 1L;
private static final ArticleProvider provider = ArticleProvider.singleton;
-
+
private static String getQueryParameter(HttpServletRequest rq, String key)
throws UnsupportedEncodingException {
String[] params;
int idx;
String q;
-
+
q = rq.getQueryString();
-
+
if (q == null)
return null;
-
+
params = URLDecoder.decode(q, "UTF-8").split("&");
-
- for (String p: params) {
+
+ for (String p: params) {
idx = p.indexOf('=');
-
+
if (idx > 1 && p.substring(0, idx).equals(key))
return p.substring(idx + 1);
}
-
+
return null;
}
-
+
private static void redirect(HttpServletRequest rq, HttpServletResponse rp) {
String redirectURL;
-
+
LOG.entering(Pnews.class.getName(), "redirect");
-
+
try {
redirectURL = getQueryParameter(rq, "url");
-
+
LOG.info("Request redirection to " + redirectURL);
-
+
if (redirectURL != null) {
rp.setHeader("Location", redirectURL);
rp.setStatus(HttpServletResponse.SC_TEMPORARY_REDIRECT);
e.printStackTrace();
LOG.log(Level.SEVERE, "redirect failure", e);
rp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
- }
-
+ }
+
LOG.exiting(Pnews.class.getName(), "redirect");
}
-
+
private void writeArticles(Category cat, HttpServletResponse rp) {
String html;
List<Article> articles;
-
- try {
+
+ try {
articles = provider.getArticles(cat);
if (articles != null) {
html = HTML.toHTML(articles, cat);
rp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
-
+
private void copy(InputStream in, Writer writer) throws IOException {
Reader r;
char[] buf;
int n;
-
+
buf = new char[1024];
r = new InputStreamReader(in);
while ( (n = r.read(buf, 0, buf.length)) != -1)
- writer.write(buf, 0, n);
+ writer.write(buf, 0, n);
}
-
+
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
String path;
InputStream in;
-
+
LOG.info("doGet " + req.getRequestURI());
path = req.getPathInfo();
-
+
if (path.equals("/redirect")) {
redirect(req, resp);
return ;
- }
-
+ }
+
if (path.equals("/style.css")) {
try {
in = HTML.class.getClassLoader().getResourceAsStream("style.css");
copy(in, resp.getWriter());
resp.setContentType("text/css");
-
+
return ;
} catch (IOException e) {
LOG.log(Level.SEVERE, "doGet failure", e);
resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
-
+
return ;
}
}
-
+
if (path.equals("/")) {
writeArticles(Category.TOP, resp);
return ;
}
-
+
for (Category cat: Category.values()) {
if (path.equals('/' + cat.getId())) {
writeArticles(cat, resp);
return ;
}
}
-
+
try {
resp.getWriter().write("Not found " + req.getPathInfo());
resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
-
+
@Override
public void init(ServletConfig config) throws ServletException {
LOG.info("Pnews servlet init " + config.getServletContext().getContextPath());
-
+
}
}
projects / pnews.git / commitdiff