public <T> T call(
String queue, long timeout, MediaType mediaType, Object payload, Class<T> responseClass)
throws IOException, TimeoutException, InterruptedException {
String encoding = MediaTypes.getCharset(mediaType);
byte[] body = getBytes(mediaType, payload);
AMQP.BasicProperties.Builder bpb = new AMQP.BasicProperties.Builder();
if (encoding != null) {
bpb.contentEncoding(encoding);
}
RpcResponse response = call(queue, timeout, bpb.build(), body);
MediaType responseMediaType = MediaType.valueOf(response.getProperties().getContentType());
if (MediaTypes.isError(responseMediaType)) {
RpcError rpcError;
try {
rpcError = fromBytes(responseMediaType, response.getBody(), RpcError.class);
} catch (IllegalArgumentException e) {
throw new IOException("unknown remote error");
}
if (rpcError == null) {
throw new IOException("unknown remote error");
} else {
throw new IOException(rpcError.error + "\n" + rpcError.trace);
}
} else {
return fromBytes(responseMediaType, response.getBody(), responseClass);
}
}
