public FitsImage factory(String file) {
if (first) {
first = false;
if (Settings.has("FilePrefix")) {
prefix = Settings.get("FilePrefix");
havePrefix = true;
}
}
if (havePrefix) {
file = prefix + file;
}
try {
return new FitsImage(file);
} catch (Exception e) {
e.printStackTrace();
throw new Error("Irrecoverable FITS error for file: " + file);
}
}
/** Copy a URL to a local file */
public static void getURL(String url, String file) throws Exception {
int timeout = 1200000; // Default to 15 seconds.
if (Settings.has("SIAImageTimeout")) {
try {
timeout = Integer.parseInt(Settings.get("SIAImageTimeout"));
} catch (Exception e) {
}
}
try {
java.net.URL u = new java.net.URL(url);
java.net.URLConnection conn = u.openConnection();
conn.setReadTimeout(60000);
// SDSS required this sometimes.
if (url.substring(0, 3).toLowerCase().equals("htt")) {
conn.setRequestProperty("accept", "*/*");
}
InputStream bi = conn.getInputStream();
OutputStream bo = new java.io.FileOutputStream(file);
byte[] buffer = new byte[32768];
int len;
while ((len = bi.read(buffer)) > 0) {
bo.write(buffer, 0, len);
}
bi.close();
bo.close();
} catch (java.net.SocketTimeoutException e) {
System.err.println("Timeout querying SIAP URL " + url + "\n");
throw new Error("\nTimeout querying SIAP URL " + url + "\n");
} catch (Exception e) {
throw new Error("Unable to do IO over network:" + e);
}
}