AuthenticatorRequest.java

package kr.kdev.dg1s.biowiki.networking;

import com.android.volley.VolleyError;
import com.wordpress.rest.Oauth;
import com.wordpress.rest.RestClient;
import com.wordpress.rest.RestRequest;
import com.wordpress.rest.RestRequest.ErrorListener;

/**
 * Encapsulates the behaviour for asking the Authenticator for an access token. This
 * allows the request maker to disregard the authentication state when making requests.
 */
public class AuthenticatorRequest {
    static public final String SITE_PREFIX = "https://public-api.wordpress.com/rest/v1/sites/";
    private RestRequest mRequest;
    private RestRequest.ErrorListener mListener;
    private RestClient mRestClient;
    private Authenticator mAuthenticator;

    protected AuthenticatorRequest(RestRequest request, ErrorListener listener, RestClient restClient,
                                   Authenticator authenticator) {
        mRequest = request;
        mListener = listener;
        mRestClient = restClient;
        mAuthenticator = authenticator;
    }

    public String getSiteId() {
        // parse out the site id from the url
        String url = mRequest.getUrl();

        if (url.startsWith(SITE_PREFIX) && !SITE_PREFIX.equals(url)) {
            int marker = SITE_PREFIX.length();
            if (url.indexOf("/", marker) < marker)
                return null;
            return url.substring(marker, url.indexOf("/", marker));
        }
        // not a sites/$siteId request
        return null;
    }

    /**
     * Attempt to send the request, checks to see if we have an access token and if not
     * asks the Authenticator to authenticate the request.
     * <p/>
     * If no Authenticator is provided the request is always sent.
     */
    protected void send() {
        if (mAuthenticator == null) {
            mRestClient.send(mRequest);
        } else {
            mAuthenticator.authenticate(this);
        }
    }

    public void sendWithAccessToken(String token) {
        mRequest.setAccessToken(token.toString());
        mRestClient.send(mRequest);
    }

    public void sendWithAccessToken(Oauth.Token token) {
        sendWithAccessToken(token.toString());
    }

    /**
     * If an access token cannot be obtained the request can be aborted and the
     * handler's onFailure method is called
     */
    public void abort(VolleyError error) {
        if (mListener != null) {
            mListener.onErrorResponse(error);
        }
    }
}