use of androidx.media3.datasource.DataSpec.HttpMethod in project media by androidx.
the class DefaultHttpDataSource method makeConnection.
/**
* Establishes a connection, following redirects to do so where permitted.
*/
private HttpURLConnection makeConnection(DataSpec dataSpec) throws IOException {
URL url = new URL(dataSpec.uri.toString());
@HttpMethod int httpMethod = dataSpec.httpMethod;
@Nullable byte[] httpBody = dataSpec.httpBody;
long position = dataSpec.position;
long length = dataSpec.length;
boolean allowGzip = dataSpec.isFlagSet(DataSpec.FLAG_ALLOW_GZIP);
if (!allowCrossProtocolRedirects && !keepPostFor302Redirects) {
// automatically. This is the behavior we want, so use it.
return makeConnection(url, httpMethod, httpBody, position, length, allowGzip, /* followRedirects= */
true, dataSpec.httpRequestHeaders);
}
// We need to handle redirects ourselves to allow cross-protocol redirects or to keep the POST
// request method for 302.
int redirectCount = 0;
while (redirectCount++ <= MAX_REDIRECTS) {
HttpURLConnection connection = makeConnection(url, httpMethod, httpBody, position, length, allowGzip, /* followRedirects= */
false, dataSpec.httpRequestHeaders);
int responseCode = connection.getResponseCode();
String location = connection.getHeaderField("Location");
if ((httpMethod == DataSpec.HTTP_METHOD_GET || httpMethod == DataSpec.HTTP_METHOD_HEAD) && (responseCode == HttpURLConnection.HTTP_MULT_CHOICE || responseCode == HttpURLConnection.HTTP_MOVED_PERM || responseCode == HttpURLConnection.HTTP_MOVED_TEMP || responseCode == HttpURLConnection.HTTP_SEE_OTHER || responseCode == HTTP_STATUS_TEMPORARY_REDIRECT || responseCode == HTTP_STATUS_PERMANENT_REDIRECT)) {
connection.disconnect();
url = handleRedirect(url, location, dataSpec);
} else if (httpMethod == DataSpec.HTTP_METHOD_POST && (responseCode == HttpURLConnection.HTTP_MULT_CHOICE || responseCode == HttpURLConnection.HTTP_MOVED_PERM || responseCode == HttpURLConnection.HTTP_MOVED_TEMP || responseCode == HttpURLConnection.HTTP_SEE_OTHER)) {
connection.disconnect();
boolean shouldKeepPost = keepPostFor302Redirects && responseCode == HttpURLConnection.HTTP_MOVED_TEMP;
if (!shouldKeepPost) {
// POST request follows the redirect and is transformed into a GET request.
httpMethod = DataSpec.HTTP_METHOD_GET;
httpBody = null;
}
url = handleRedirect(url, location, dataSpec);
} else {
return connection;
}
}
// If we get here we've been redirected more times than are permitted.
throw new HttpDataSourceException(new NoRouteToHostException("Too many redirects: " + redirectCount), dataSpec, PlaybackException.ERROR_CODE_IO_NETWORK_CONNECTION_FAILED, HttpDataSourceException.TYPE_OPEN);
}
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