/** Helper Methods: gets the source of an html file */
public List<String> executeHttpGet(String urlString) {
List<String> lines = new LinkedList<String>();
try {
URL url = new URL(urlString);
URLConnection connection = url.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) lines.add(inputLine);
in.close();
} catch (Exception e) {
Log.e("httpGet", "Could not load Html.");
e.printStackTrace();
}
return lines;
}
private void updateImageForArticle(Article article) throws SQLException {
try {
List<String> html = executeHttpGet(Constants.pathToArticleDescription + article.getId());
LinkedList<String> possibleLinks = new LinkedList<String>();
Pattern pattern = Pattern.compile("\"[^\"]*.jpg");
for (String line : html) {
Matcher m = pattern.matcher(line);
while (m.find()) {
String possibleLink = m.group().substring(1, m.group().length());
possibleLinks.add(possibleLink);
}
}
if (possibleLinks.size() > 0) article.setImageUrl(possibleLinks.get(0));
else article.setImageUrl("");
} catch (Exception e) {
Log.i("UpdataDatabase", "Couldn't get Sites html");
e.printStackTrace();
article.setImageUrl("");
}
article.createOrUpdate();
}
