Class CDGClient

java/src/gov/loc/CDGClient.java:11–131

import java.net.http.HttpResponse;

public class CDGClient {

    /**
     * makeRequestAndOutputResponse
     *
     * Make a GET request to the given URL and output the response per the config
     *
     * The authentication parameters are automatically added.
     *
     * @param url the parameterless url to call
     *
     */
    public static void makeRequestAndOutputResponse(String url) {

        // Show where we're making the call to
        Utils.outputMessage("Making call to " + url);

        // Make the call and get the response
        HttpResponse<String> response = makeRequestGetResponse(url);

        // Output the response
        outputHttpResponse(response, url);
    }

    /**
     * makeRequestGetResponse
     *
     * Make a request to the given url and return the response
     *
     * The authentication parameters are automatically added.
     *
     * @param url the parameterless url to call
     * @return HttpResponse
     */
    public static HttpResponse<String> makeRequestGetResponse(String url) {

        // Build the client and request
        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create(appendParameters(url)))
                .build();

        // Make the call & get a response
        HttpResponse<String> response = null;
        try {
            response = client.send(request, HttpResponse.BodyHandlers.ofString());
        } catch (IOException | InterruptedException ex) {
            Utils.outputMessage("Something went wrong with the call to " + url);
            Utils.outputMessageAndBail(ex.getMessage());
        }

        // If our response is null, something wasn't right
        if (response == null || response.body() == null) {
            Utils.outputMessageAndBail("Something went wrong, we didn't get a response from " + url);
        }

        return response;
    }