@Override
protected void queryCapabilities() throws DavException, IOException, HttpException {
// prepare remote address book
hasVCard4 = false;
davCollection.propfind(0, SupportedAddressData.NAME, GetCTag.NAME);
SupportedAddressData supportedAddressData =
(SupportedAddressData) davCollection.properties.get(SupportedAddressData.NAME);
if (supportedAddressData != null)
for (MediaType type : supportedAddressData.types)
if ("text/vcard; version=4.0".equalsIgnoreCase(type.toString())) hasVCard4 = true;
App.log.info("Server advertises VCard/4 support: " + hasVCard4);
}
@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;
}
/**
* Sets the content type header to the specified media type.
*
* @param contentType the media type.
* @return this
*/
public Builder contentType(final MediaType contentType) {
mHeaders.set(CONTENT_TYPE, contentType.toString());
return this;
}