@Override
public Suggestions getSuggestions(
final RequestInfo requestInfo,
final String selection,
final String dependent,
@Nullable final ResponseAction responseAction) {
try {
final URL url = getUrl(requestInfo, selection, dependent);
Invocation.Builder requestBuilder =
client
.target(url.toURI())
.request()
.accept(MediaType.APPLICATION_XML, MediaType.TEXT_XML, MediaType.APPLICATION_JSON);
if (requestInfo.getAuthentication() != null) {
requestBuilder =
requestBuilder
.property(
HttpAuthenticationFeature.HTTP_AUTHENTICATION_USERNAME,
requestInfo.getAuthentication().getUsername())
.property(
HttpAuthenticationFeature.HTTP_AUTHENTICATION_PASSWORD,
requestInfo.getAuthentication().getPassword());
}
if (responseAction == null) {
// response does not require transformation
return requestBuilder.get(Suggestions.class);
} else {
// we need to transform the custom XML or JSON response into Suggestions format
final Response response = requestBuilder.get();
try (final InputStream is = response.readEntity(InputStream.class)) {
final MediaType mediaType = response.getMediaType();
final Path transformation = responseAction.getTransformation();
if (mediaType != null && mediaType.isCompatible(MediaType.APPLICATION_XML_TYPE)
|| mediaType.isCompatible(MediaType.TEXT_XML_TYPE)) {
// custom XML response
LOGGER.debug("Transforming XML response from: {} using: {}", url, transformation);
return transformXmlResponse(is, transformation);
} else if (mediaType != null && mediaType.isCompatible(MediaType.APPLICATION_JSON_TYPE)) {
LOGGER.debug("Transforming JSON response from: {} using: {}", url, transformation);
// custom JSON response
return transformJsonResponse(is, transformation);
} else {
LOGGER.error(
"Response from {} has unsupported Content-Type: {}",
url,
mediaType); // TODO(AR) maybe something more visible to the user
return new Suggestions();
}
}
}
} catch (final URISyntaxException | IOException | TransformationException e) {
LOGGER.error(e.getMessage(), e); // TODO(AR) maybe something more visible to the user
return new Suggestions();
}
}
/**
* Register a request customizer for a single request.
*
* <p>A registered customizer will be used to customize the underlying Async HTTP Client request
* builder.
*
* <p>Invoking this method on an instance that is not configured to use Grizzly Async HTTP Client
* connector does not have any effect.
*
* @param builder JAX-RS request invocation builder.
* @param customizer request customizer to be registered.
* @return updated Jersey client config with the Grizzly {@link
* org.glassfish.jersey.grizzly.connector.GrizzlyConnectorProvider.RequestCustomizer}
* attached.
*/
public static Invocation.Builder register(
Invocation.Builder builder, RequestCustomizer customizer) {
return builder.property(REQUEST_CUSTOMIZER, customizer);
}
@Override
public Invocation property(String name, Object value) {
invBuilder.property(name, value);
return this;
}