public static int pipe_stream(InputStream is, OutputStream os, boolean wantsKeepOpen)
throws IOException { // U: copia de un stream al otro
int cnt = 0;
int n;
byte[] buffer = new byte[BUFF_SZ];
while ((n = is.read(buffer)) > -1) {
cnt += n;
os.write(buffer, 0, n);
}
if (!wantsKeepOpen) {
is.close();
os.close();
}
return cnt;
}
public static void set_stream(OutputStream os, String data, String encoding) throws IOException {
os.write(data.getBytes(encoding));
os.close();
}