@Override
public long open(DataSpec dataSpec) throws HttpDataSourceException {
this.dataSpec = dataSpec;
this.bytesRead = 0;
this.bytesSkipped = 0;
Request request = makeRequest(dataSpec);
try {
response = okHttpClient.newCall(request).execute();
responseByteStream = response.body().byteStream();
} catch (IOException e) {
throw new HttpDataSourceException(
"Unable to connect to " + dataSpec.uri.toString(), e, dataSpec);
}
int responseCode = response.code();
// Check for a valid response code.
if (!response.isSuccessful()) {
Map<String, List<String>> headers = request.headers().toMultimap();
closeConnectionQuietly();
throw new InvalidResponseCodeException(responseCode, headers, dataSpec);
}
// Check for a valid content type.
MediaType mediaType = response.body().contentType();
String contentType = mediaType != null ? mediaType.toString() : null;
if (contentTypePredicate != null && !contentTypePredicate.evaluate(contentType)) {
closeConnectionQuietly();
throw new InvalidContentTypeException(contentType, dataSpec);
}
// If we requested a range starting from a non-zero position and received a 200 rather than a
// 206, then the server does not support partial requests. We'll need to manually skip to the
// requested position.
bytesToSkip = responseCode == 200 && dataSpec.position != 0 ? dataSpec.position : 0;
// Determine the length of the data to be read, after skipping.
long contentLength = response.body().contentLength();
bytesToRead =
dataSpec.length != C.LENGTH_UNBOUNDED
? dataSpec.length
: contentLength != -1 ? contentLength - bytesToSkip : C.LENGTH_UNBOUNDED;
opened = true;
if (listener != null) {
listener.onTransferStart();
}
return bytesToRead;
}
@Override
public long open(DataSpec dataSpec) throws HttpDataSourceException {
this.dataSpec = dataSpec;
this.bytesRead = 0;
this.bytesSkipped = 0;
try {
connection = makeConnection(dataSpec);
} catch (IOException e) {
throw new HttpDataSourceException(
"Unable to connect to " + dataSpec.uri.toString(), e, dataSpec);
}
int responseCode;
try {
responseCode = connection.getResponseCode();
} catch (IOException e) {
closeConnectionQuietly();
throw new HttpDataSourceException(
"Unable to connect to " + dataSpec.uri.toString(), e, dataSpec);
}
// Check for a valid response code.
if (responseCode < 200 || responseCode > 299) {
Map<String, List<String>> headers = connection.getHeaderFields();
closeConnectionQuietly();
throw new InvalidResponseCodeException(responseCode, headers, dataSpec);
}
// Check for a valid content type.
String contentType = connection.getContentType();
if (contentTypePredicate != null && !contentTypePredicate.evaluate(contentType)) {
closeConnectionQuietly();
throw new InvalidContentTypeException(contentType, dataSpec);
}
// If we requested a range starting from a non-zero position and received a 200 rather than a
// 206, then the server does not support partial requests. We'll need to manually skip to the
// requested position.
bytesToSkip = responseCode == 200 && dataSpec.position != 0 ? dataSpec.position : 0;
// Determine the length of the data to be read, after skipping.
if ((dataSpec.flags & DataSpec.FLAG_ALLOW_GZIP) == 0) {
long contentLength = getContentLength(connection);
bytesToRead =
dataSpec.length != C.LENGTH_UNBOUNDED
? dataSpec.length
: contentLength != C.LENGTH_UNBOUNDED
? contentLength - bytesToSkip
: C.LENGTH_UNBOUNDED;
} else {
// Gzip is enabled. If the server opts to use gzip then the content length in the response
// will be that of the compressed data, which isn't what we want. Furthermore, there isn't a
// reliable way to determine whether the gzip was used or not. Always use the dataSpec length
// in this case.
bytesToRead = dataSpec.length;
}
try {
inputStream = connection.getInputStream();
} catch (IOException e) {
closeConnectionQuietly();
throw new HttpDataSourceException(e, dataSpec);
}
opened = true;
if (listener != null) {
listener.onTransferStart();
}
return bytesToRead;
}