public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
int retry = _strategy.getRetryAttempts();
Object result = null;
do {
HttpURLConnection c = null;
try {
c =
(HttpURLConnection)
UrlUtilities.getConnection(_strategy.buildURL(proxy, m, args), true, true, false);
c.setRequestMethod("POST");
_strategy.setCookies(c);
// Formulate the POST data for the output stream.
byte[] bytes = _strategy.generatePostData(proxy, m, args);
c.setRequestProperty("Content-Length", String.valueOf(bytes.length));
_strategy.setRequestHeaders(c);
// send the post data
IOUtilities.transfer(c, bytes);
_strategy.getCookies(c);
// Get the return value of the call
result = _strategy.readResponse(c);
} catch (ThreadDeath e) {
throw e;
} catch (Throwable e) {
LOG.error("Error occurred getting HTTP response from server", e);
UrlUtilities.readErrorResponse(c);
if (retry-- > 0) {
Thread.sleep(_strategy.getRetrySleepTime());
}
} finally {
UrlUtilities.disconnect(c);
}
} while (retry > 0);
try {
checkForThrowable(result);
} catch (Throwable t) {
LOG.error("Error occurred on server", t);
return null;
}
return result;
}