private void persistNewsData(NodeList titles, NodeList links, NodeList descriptions) {
// Persists news data feed.
// Also clears out previously persisted news feed data
PersistenceManager pm = PMF.get().getPersistenceManager();
javax.jdo.Query query = pm.newQuery(NewsItem.class);
Long res = query.deletePersistentAll();
System.out.println("Datastore deleted " + res + "records");
pm = PMF.get().getPersistenceManager();
try {
for (int i = 1; i < titles.getLength(); i++) {
NewsItem ni = new NewsItem();
ni.setTitle(titles.item(i).getTextContent());
ni.setLink(links.item(i).getTextContent());
if (descriptions.item(i) != null) {
ni.setDescription(new Text(descriptions.item(i).getTextContent()));
}
pm.makePersistent(ni);
}
} finally {
pm.close();
}
}
private NewsItem parseInfo(Element item) {
NewsItem tempItem = new NewsItem();
tempItem.setTitle(item.getElementsByTagName("title").item(0).getTextContent());
tempItem.setLink(item.getElementsByTagName("link").item(0).getTextContent());
try {
tempItem.setPubDate(
new SimpleDateFormat("EEE, dd MMM yyyy HH:mm z")
.parse(
item.getElementsByTagName("pubDate")
.item(0)
.getTextContent()
.replaceAll("\\p{Cntrl}", "")));
} catch (ParseException e) {
System.out.println("NewsFeed: parseInfo Error parsing date-> " + e.getLocalizedMessage());
e.printStackTrace();
}
String tmpDesc = item.getElementsByTagName("description").item(0).getTextContent();
int imgStartIndex = tmpDesc.indexOf("<img");
System.out.println("Start of img tag: " + imgStartIndex);
if (imgStartIndex != -1) {
int imgStopIndex = tmpDesc.indexOf("/>", imgStartIndex);
System.out.println("Sto of img tag: " + imgStopIndex);
String imageTag = tmpDesc.substring(imgStartIndex + 5, imgStopIndex - 1);
tmpDesc = tmpDesc.substring(imgStopIndex + 2);
imgStartIndex = imageTag.indexOf("src=\"");
imgStopIndex = imageTag.indexOf("\" ", imgStartIndex);
String imageSrc = imageTag.substring(imgStartIndex + 5, imgStopIndex);
System.out.println("Image Link: " + imageSrc);
tempItem.setImage(imageSrc);
}
tempItem.setDescription(tmpDesc);
return tempItem;
}
