private Vector parseWallpaperThumbnailJSON(String response, List cmp) {
Vector resultVector = new Vector();
Image blank = Image.createImage(50, 50);
try {
JSONObject jSONObject = new JSONObject(response);
System.out.println(jSONObject);
Enumeration e = jSONObject.keys();
while (e.hasMoreElements()) {
String key = (String) e.nextElement();
// System.out.println(key + " : " + jSONObject.getString(key));
if (key.equalsIgnoreCase("wallpapers")) {
JSONArray jSONArray = jSONObject.getJSONArray(key);
for (int i = 0; i < jSONArray.length(); i++) {
JSONObject wallpaper = jSONArray.getJSONObject(i);
if (wallpaper.has("image_thumb_url")
&& wallpaper.has("image_category")
&& wallpaper.has("image_url")
&& wallpaper.has("wallpaper_price")) {
// download the thumbnail and display it.
Hashtable hashtable = new Hashtable();
hashtable.put("wallpaperThumbnailURL", wallpaper.getString("image_thumb_url"));
hashtable.put("wallpaperURL", wallpaper.get("image_url"));
hashtable.put("wallpaperPrice", "Price: " + wallpaper.get("wallpaper_price"));
hashtable.put("wallpaperIcon", blank);
resultVector.addElement(hashtable);
final ImageDownloadService ids =
new ImageDownloadService(
wallpaper.getString("image_thumb_url"),
cmp,
resultVector.size() - 1,
"wallpaperIcon") {
protected void handleException(Exception err) {
if (err instanceof NullPointerException) {
System.out.println("NULL POINTER EXCEPTION CAUGHT");
return;
}
super.handleException(
err); // To change body of generated methods, choose Tools | Templates.
}
};
NetworkManager.getInstance().addToQueue(ids);
}
}
}
}
} catch (Exception ex) {
System.out.println("error downloading images.");
ex.printStackTrace();
Dialog.show(null, "error downloading images", "OK", null);
}
return resultVector;
}
/**
* this method should be used to initialize variables instead of the constructor/class scope to
* avoid race conditions
*/
protected void initVars() {
NetworkManager.getInstance().start();
}