/**
* Opens a new HTTP stream for reading, i.e. a GET request.
*
* @param path the URL for the stream
* @return the opened stream
*/
static HttpStreamWrapper openRead(HttpPath path) throws IOException {
HttpStream stream = createStream(path);
stream._isPost = false;
HttpStreamWrapper wrapper = new HttpStreamWrapper(stream);
String status = (String) wrapper.getAttribute("status");
// ioc/23p0
if ("404".equals(status)) {
throw new FileNotFoundException(L.l("'{0}' returns a HTTP 404.", path.getURL()));
}
return wrapper;
}
protected CacheEntry getCache() {
if (_cacheEntry == null) {
synchronized (_cache) {
_cacheEntry = _cache.get(getPath());
if (_cacheEntry == null) {
_cacheEntry = new CacheEntry();
_cache.put(getPath(), _cacheEntry);
}
}
}
long now;
now = Alarm.getCurrentTime();
synchronized (_cacheEntry) {
try {
if (_cacheEntry.expires > now) return _cacheEntry;
HttpStreamWrapper stream = (HttpStreamWrapper) openReadImpl();
stream.setHead(true);
stream.setSocketTimeout(120000);
String status = (String) stream.getAttribute("status");
if (status.equals("200")) {
String lastModified = (String) stream.getAttribute("last-modified");
_cacheEntry.lastModified = 0;
if (lastModified != null) {
QDate date = QDate.getGlobalDate();
synchronized (date) {
_cacheEntry.lastModified = date.parseDate(lastModified);
}
}
String length = (String) stream.getAttribute("content-length");
_cacheEntry.length = 0;
if (length != null) {
_cacheEntry.length = Integer.parseInt(length);
}
} else _cacheEntry.lastModified = -1;
_cacheEntry.expires = now + 5000;
stream.close();
return _cacheEntry;
} catch (Exception e) {
_cacheEntry.lastModified = -1;
_cacheEntry.expires = now + 5000;
return _cacheEntry;
}
}
}
