/**
* Download the resource at the given url
*
* @param url to download
* @return created file or null if a problem occured
* @throws Exception
*/
public static File downloadCover(URL url, String pID) throws Exception {
String id = pID;
// Check if url is known in cache
String idCache = urlCache.get(url);
if (idCache != null) {
id = idCache;
}
// check if file is not already downloaded or being downloaded
File file = Util.getCachePath(url, id);
if (file.exists()) {
return file;
}
HttpURLConnection connection = NetworkUtils.getConnection(url, proxy);
File out = Util.getCachePath(url, id);
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(out));
BufferedInputStream bis = new BufferedInputStream(connection.getInputStream());
int i;
while ((i = bis.read()) != -1) {
bos.write(i);
}
bos.close();
bis.close();
connection.disconnect();
urlCache.put(url, id);
return out;
}
/**
* Download the resource at the given url
*
* @param url to download
* @param Use cache : store file in image cache
* @throws Exception
*/
public static void download(URL url, File fDestination) throws Exception {
HttpURLConnection connection = NetworkUtils.getConnection(url, proxy);
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(fDestination));
BufferedInputStream bis = new BufferedInputStream(connection.getInputStream());
int i;
while ((i = bis.read()) != -1) {
bos.write(i);
}
bos.close();
bis.close();
connection.disconnect();
}
/**
* Download the cover list
*
* @param url to download
* @throws Exception
* @return result as an array of bytes, null if a problem occured
*/
public static String downloadHtml(URL url, String charset) throws Exception {
return NetworkUtils.readURL(NetworkUtils.getConnection(url, proxy), charset);
}