public void onReadyStateChange(XMLHttpRequest xhr) {
if (xhr.getReadyState() == XMLHttpRequest.DONE) {
if (xhr.getStatus() == 200) {
callback.onSuccess(xhr);
xhr.clearOnReadyStateChange();
return;
}
callback.onFail(xhr);
xhr.clearOnReadyStateChange();
}
}
private static void request(
XMLHttpRequest xhr, String method, String url, final XhrCallback callback) {
try {
xhr.setOnReadyStateChange(new Handler(callback));
xhr.open(method, url);
xhr.send();
} catch (Exception e) {
// Just fail.
callback.onFail(xhr);
xhr.clearOnReadyStateChange();
}
}
private static void request(
XMLHttpRequest xhr,
String method,
String url,
String requestData,
String contentType,
XhrCallback callback) {
try {
xhr.setOnReadyStateChange(new Handler(callback));
xhr.open(method, url);
xhr.setRequestHeader("Content-type", contentType);
xhr.send(requestData);
} catch (Exception e) {
// Just fail.
callback.onFail(xhr);
xhr.clearOnReadyStateChange();
}
}