public static Download downloadFile(
String url, String output, String cacheName, String md5, DownloadListener listener)
throws IOException {
int tries = Settings.getLoginTries();
File outputFile = null;
Download download = null;
while (tries > 0) {
System.out.println("Starting download of " + url + ", with " + tries + " tries remaining");
tries--;
download = new Download(url, output);
download.setListener(listener);
download.run();
if (!download.isSuccess()) {
if (download.getOutFile() != null) {
download.getOutFile().delete();
}
System.err.println("Download of " + url + " Failed!");
if (listener != null)
listener.stateChanged("Download Failed, retries remaining: " + tries, 0F);
} else {
if (md5 != null) {
String resultMD5 = MD5Utils.getMD5(download.getOutFile());
System.out.println("Expected MD5: " + md5 + " Calculated MD5: " + resultMD5);
if (resultMD5.equals(md5)) {
outputFile = download.getOutFile();
break;
}
} else {
outputFile = download.getOutFile();
break;
}
}
}
if (outputFile == null) {
throw new IOException("Failed to download " + url);
}
if (cacheName != null) {
Utils.copy(outputFile, new File(Launcher.getGameUpdater().getBinCacheDir(), cacheName));
}
return download;
}
public void stateChanged(String message, float progress) {
if (listener != null) listener.stateChanged(message, progress);
}