private void fetchOne(boolean examine, boolean save, YouAreEll yrl, InputStream is) {
logger.entering(examine);
logger.entering(save);
logger.entering(yrl);
if (examine) is = new DelimitedBufferedInputStream(is, '<', '>');
BufferedOutputStream bos = null;
WebFile wf = null;
if (save) {
wf = new WebFile(yrl, args);
bos = wf.getBOS();
if (bos == null) save = false;
}
if (save || examine) {
if (!examineORsave(yrl, is, bos, examine, save, yrl.getURL())) {
logger.severe("examineORsave failed");
}
}
if (bos != null) {
try {
bos.close();
if (args.SetLastModified) wf.getFile().setLastModified(yrl.getLastModified());
} catch (IOException e) {
logger.throwing(e);
}
}
if (examine) {
try {
is.close();
} catch (IOException e) {
logger.throwing(e);
}
}
}
private void fetch(String url) {
logger.entering(url);
boolean Path =
args.PathExamine != null
|| args.PathIgnore != null
|| args.PathSave != null
|| args.PathRefuse != null;
boolean MIME =
args.MIMEExamine != null
|| args.MIMEIgnore != null
|| args.MIMESave != null
|| args.MIMERefuse != null;
logger.fine("Path = " + Path);
logger.fine("MIME = " + MIME);
boolean tb[] =
EISR(url, "path", args.PathExamine, args.PathIgnore, args.PathSave, args.PathRefuse);
boolean Pexamine = tb[0];
boolean Psave = tb[1];
/*
* if there is no MIME, and the Path doesn't say to examine or save,
* we're done.
*/
if (!MIME && !Pexamine && !Psave) return;
/*
* otherwise, we need to Path examine or save, or we need the MIME
* header. in either case, we need an InputStream.
*/
InputStream is = null;
YouAreEll yrl = null;
for (int t = 0; t < args.Tries; t++) {
yrl = new YouAreEll(url, urls, cookies, args);
is = yrl.getInputStream();
if (is != null) break;
if (args.Tries > 1) logger.warning("Trying again");
}
if (is == null) return;
boolean Mexamine = false;
boolean Msave = false;
if (MIME && yrl.getContentType() != null) {
tb =
EISR(
yrl.getContentType(),
"MIME",
args.MIMEExamine,
args.MIMEIgnore,
args.MIMESave,
args.MIMERefuse);
Mexamine = tb[0];
Msave = tb[1];
}
// we've looked at both Path and now MIME and there's nothing to do
if (!Pexamine && !Psave && !Mexamine && !Msave) return;
fetchOne(Pexamine || Mexamine, Psave || Msave, yrl, is);
try {
is.close();
} catch (IOException IOE) {
logger.throwing(IOE);
}
}
/*
** read from an input stream, optionally write to an output stream, and
** optionally look at all the URL's found in the input stream.
*/
private boolean examineORsave(
YouAreEll yrl,
InputStream is,
BufferedOutputStream bos,
boolean examine,
boolean save,
String url) {
logger.entering(is);
logger.entering(bos);
logger.entering(new Boolean(examine));
logger.entering(new Boolean(save));
logger.entering(url);
try {
int c;
int read = 0;
int written = 0;
int content_length = yrl.getContentLength();
int ten_percent = content_length > 0 ? content_length / 10 : 0;
int count = 1;
boolean percent = args.SaveProgress && save && ten_percent > 0;
boolean spin = args.SaveProgress && save && ten_percent == 0;
long start = new java.util.Date().getTime();
if (percent) System.out.print("0..");
if (spin) System.out.print("|");
while ((c = is.read()) != -1) {
if (save) {
bos.write((char) c);
written++;
if (percent && count < 10 && written > count * ten_percent) {
System.out.print(count * 10 + "..");
count++;
} else if (spin && written % 1000 == 0) {
// System.out.println (count);
// System.out.println (count % 4);
System.out.print("\b" + "|/-\\".charAt(count % 4));
count++;
}
}
read++;
}
long stop = new java.util.Date().getTime();
if (percent) System.out.println("100");
if (spin) System.out.println("");
if (spin || percent) {
long seconds = (stop - start) / 1000;
long BPS = read / (seconds == 0 ? 1 : seconds);
if (BPS > 1000000000000000L) System.out.println(BPS / 1000000000000000L + " EBps");
else if (BPS > 1000000000000L) System.out.println(BPS / 1000000000000L + " TBps");
else if (BPS > 1000000000) System.out.println(BPS / 1000000000 + " GBps");
else if (BPS > 1000000) System.out.println(BPS / 1000000 + " MBps");
else if (BPS > 1000) System.out.println(BPS / 1000 + " KBps");
else System.out.println(BPS + " Bps");
}
if (save) snooze(args.PauseAfterSave);
// logger.finest ("bytes read: " + read);
// logger.finest ("bytes written: " + written);
if (examine) addToURLs(url, ((DelimitedBufferedInputStream) is).getStrings());
} catch (IOException e) {
logger.throwing(e);
return (false);
}
return (true);
}