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();
}
}
@Override
public Document asDocument(NewsItem newsItem) {
Document doc = new Document();
doc.add(new IntField(ITEM_ID, newsItem.itemID(), Field.Store.YES));
doc.add(new StringFieldWithTermVectors(YEAR, String.valueOf(newsItem.date().getYear())));
doc.add(new StringFieldWithTermVectors(MONTH, String.valueOf(newsItem.date().getMonth())));
doc.add(new StringFieldWithTermVectors(DAY, String.valueOf(newsItem.date().getDay())));
doc.add(new TextFieldWithTermVectors(TITLE, newsItem.title()));
doc.add(new TextFieldWithTermVectors(HEADLINE, newsItem.headline()));
doc.add(new TextFieldWithTermVectors(DATELINE, newsItem.dateline()));
doc.add(new TextFieldWithTermVectors(TEXT, newsItem.text()));
for (Map.Entry<String, String> entry : newsItem.codes().entries()) {
doc.add(new StringFieldWithTermVectors(entry.getKey(), entry.getValue()));
}
for (Map.Entry<String, String> entry : newsItem.dcs().entrySet()) {
doc.add(new StringFieldWithTermVectors(entry.getKey(), entry.getValue()));
}
return doc;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View itemView = convertView;
if (itemView == null)
itemView = getActivity().getLayoutInflater().inflate(R.layout.textcar, parent, false);
CNews currentNews = NewsItem.get(position);
((TextView) itemView.findViewById(R.id.News_txtTitle)).setText(currentNews.getNTitle());
((TextView) itemView.findViewById(R.id.News_txtdate))
.setText(currentNews.getNStartDate() + "~" + currentNews.getNEndDate());
return itemView;
}
// Involves populating data into the item through holder
@Override
public void onBindViewHolder(NewsItemAdapter.ViewHolder viewHolder, int position) {
// Get the data model based on position
final NewsItem item = nItems.get(position);
// Set item views based on the data model
TextView headLine = viewHolder.headLine;
headLine.setText(item.getHeadLine());
ImageView thumbnail = viewHolder.thumbnail;
Glide.with(context).load("http://nytimes.com/" + item.getImageUrl()).into(thumbnail);
viewHolder.itemView.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(context, BrowserActivity.class);
intent.putExtra("url", item.getNewsUrl());
context.startActivity(intent);
}
});
}
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;
}
protected void paint(Graphics g) {
g.setColor(TITLE_COLOR);
Font titleFont = Utils.getFontBold(FONT_SIZE);
g.setFont(titleFont);
int textWidht = Display.getWidth() - TEXT_ANCHOR - PADDING_RIGHT;
if (title == null) {
title = TextUtils.wrapText(newsItem.getTitle(), textWidht, titleFont);
}
int yOff = 0;
for (int i = 0; i < title.size(); i++) {
if (title.size() > 2 && i == 1) {
g.drawText(
title.elementAt(i).toString() + "...",
TEXT_ANCHOR,
PADDING_TOP + i * titleFont.getHeight());
yOff += g.getFont().getHeight();
break;
} else {
g.drawText(
title.elementAt(i).toString(), TEXT_ANCHOR, PADDING_TOP + i * titleFont.getHeight());
yOff += g.getFont().getHeight();
}
}
Font textFont = Utils.getFont(FONT_SIZE);
g.setColor(PRETEXT_COLOR);
g.setFont(textFont);
if (text == null) {
text = TextUtils.wrapText(newsItem.getBody(), textWidht, textFont);
}
int titleHeight = PADDING_TOP + title.size() * titleFont.getHeight();
int contentHeight = getPreferredHeight() - (PADDING_TOP);
for (int i = 0; i < text.size(); i++) {
if (yOff + g.getFont().getHeight() >= getPreferredHeight() - 2 * PADDING_TOP) {
g.drawText(
(String) text.elementAt(i) + "...",
TEXT_ANCHOR,
titleHeight + i * textFont.getHeight());
} else {
g.drawText((String) text.elementAt(i), TEXT_ANCHOR, titleHeight + i * textFont.getHeight());
}
yOff += g.getFont().getHeight();
if (yOff >= getPreferredHeight() - 2 * PADDING_TOP) {
break;
}
}
if (newsImage != null) {
try {
g.drawBitmap(
PADDING_LEFT,
PADDING_TOP,
newsImage.getWidth(),
newsImage.getHeight(),
newsImage,
0,
0);
} catch (Exception e) {
drawDummyPhoto(g);
}
} else {
drawDummyPhoto(g);
}
}
