/**
* Performs a request
*
* @param url the URL to query
* @param additionalHeaders additional HTTP request headers (may be null)
* @return the parsed response
* @throws IOException if the request was not successful
*/
protected Map<String, Object> performRequest(String url, Map<String, String> additionalHeaders)
throws IOException {
if (accessToken == null) {
throw new UnauthorizedException("Access token has not yet been requested");
}
URL u = new URL(url);
Response response = auth.request(u, Method.GET, accessToken, additionalHeaders);
InputStream is = response.getInputStream();
try {
return parseResponse(response);
} finally {
is.close();
}
}
@Override
public void authorize(String verificationCode) throws IOException {
try {
accessToken =
auth.requestTokenCredentials(
new URL(getOAuthAccessTokenURL()),
getOAuthAccessTokenMethod(),
requestToken,
verificationCode);
} catch (MalformedURLException e) {
// should never happen
throw new RuntimeException(e);
}
}
@Override
public String getAuthorizationURL() throws IOException {
String rtu = getOAuthRequestTokenURL();
if (rtu == null) {
return getOAuthAuthorizationURL();
}
try {
requestToken = auth.requestTemporaryCredentials(new URL(rtu), Method.GET);
} catch (MalformedURLException e) {
// should never happen
throw new RuntimeException(e);
}
return getOAuthAuthorizationURL() + requestToken.getToken();
}