public boolean authorize() {
if (isAuthenticated) {
return true;
}
String token = "";
try {
System.out.println("Trying to authenticate");
xauth = new XAuth(username, password);
token = xauth.xAuthWebRequest(false, OAUTH_ACCESS_TOKEN_URL, null, null);
System.out.println("ACCESS TOKEN: " + token);
if (token.indexOf("oauth_token_secret") > 0) {
// Success
String oauthToken = HttpUtil.parseParameter(token, "oauth_token");
String oauthTokenSecret = HttpUtil.parseParameter(token, "oauth_token_secret");
xauth.setTokenAndSecret(oauthToken, oauthTokenSecret);
isAuthenticated = true;
authErrStatus = null;
return true;
} else {
// Failure
authErrStatus =
new Status("Twitter", "Couldn't find OAuth token from response: " + token, null, "");
isAuthenticated = false;
return false;
}
} catch (Exception ex) {
authErrStatus =
new Status("Twitter", "Couldn't authenticate. Exception: " + ex.getMessage(), null, "");
isAuthenticated = false;
return false;
}
}
public Status updateStatus(String status) {
try {
if (authorize() == false) {
if (authErrStatus != null) {
return authErrStatus;
}
}
StatusFeedParser parser = new StatusFeedParser();
String url = STATUS_UPDATE_URL;
QueryParameter[] params =
new QueryParameter[] {
new QueryParameter("status", status), new QueryParameter("source", "twim")
};
// "?status=" + URLUTF8Encoder.encode(status) +
// "&source=twim";
xauth.xAuthWebRequest(true, STATUS_UPDATE_URL, params, parser);
// HttpUtil.doPost( url, parser );
Vector statuses = parser.getStatuses();
if (statuses != null && statuses.isEmpty() == false && status.startsWith("d ") == false) {
return (Status) statuses.elementAt(0);
}
} catch (Exception ex) {
return new Status(
"Twim",
"Error while updating status: " + ex.getMessage(),
Calendar.getInstance().getTime(),
"0");
}
return null;
}
public void bypassAuthorization(String token, String tokenSecret) {
if (token != null && token.length() > 0) {
xauth = new XAuth(username, password);
xauth.setTokenAndSecret(token, tokenSecret);
isAuthenticated = true;
} else {
isAuthenticated = false;
}
}
public String unfollowUser(Status status) throws Exception {
try {
NullParser parser = new NullParser();
String url = FRIENDSHIPS_DESTROY_URL + status.getScreenName() + ".xml";
xauth.xAuthWebRequest(true, url, null, parser);
return parser.getResponse();
} catch (Exception ex) {
throw ex;
}
}
/**
* Request friends from Twitter API.
*
* @return Vector containing friends.
*/
public Vector requestFriendsTimeline() throws IOException, Exception {
Vector entries = new Vector();
authorize();
try {
HttpUtil.setBasicAuthentication("", "");
StatusFeedParser parser = new StatusFeedParser();
xauth.xAuthWebRequest(false, FRIENDS_URL, null, parser);
// HttpUtil.doGet(FRIENDS_URL, parser);
entries = parser.getStatuses();
} catch (IOException ex) {
throw new IOException("Error in TwitterApi.requestFriends: " + ex.getMessage());
} catch (Exception ex) {
throw new Exception("Error in TwitterApi.requestFriends: " + ex.getMessage());
}
return entries;
}
public Vector requestLists() throws Exception {
authorize();
Vector entries = new Vector();
try {
ListsParser parser = new ListsParser();
String url = StringUtil.replace(LISTS_URL, "@USERNAME@", username);
xauth.xAuthWebRequest(false, url, null, parser);
// HttpUtil.doGet(url, parser);
entries = parser.getUserLists();
} catch (IOException ex) {
throw new IOException("Error in TwitterApi.requestLists: " + ex.getMessage());
} catch (Exception ex) {
throw new Exception("Error in TwitterApi.requestLists: " + ex.getMessage());
}
return entries;
}
public Status markAsUnfavorite(Status status) {
try {
StatusFeedParser parser = new StatusFeedParser();
String url = FAVORITE_DESTROY_URL + status.getId() + ".xml";
xauth.xAuthWebRequest(true, url, null, parser);
// HttpUtil.doPost( url, parser );
Vector statuses = parser.getStatuses();
if (statuses != null && statuses.isEmpty() == false) {
return (Status) statuses.elementAt(0);
}
} catch (Exception ex) {
return new Status(
"Twim",
"Error while marking status as unfavorite: " + ex.getMessage(),
Calendar.getInstance().getTime(),
"0");
}
return null;
}
void resetToken() {
xauth.setTokenAndSecret("", "");
isAuthenticated = false;
}
private Vector requestTimeline(String timelineUrl) {
Vector entries = new Vector();
if (authorize() == false) {
if (authErrStatus != null) {
entries.addElement(authErrStatus);
return entries;
}
}
try {
boolean retry = false;
do {
// HttpUtil.setBasicAuthentication(username, password);
HttpUtil.setBasicAuthentication("", "");
StatusFeedParser parser = new StatusFeedParser();
if (timelineUrl.equals(DIRECT_TIMELINE_URL)) {
parser.setDirect(true);
}
xauth.xAuthWebRequest(false, timelineUrl, null, parser);
// HttpUtil.doGet(timelineUrl, parser);
int lastResponseCode = HttpUtil.getLastResponseCode();
entries = parser.getStatuses();
if (entries.isEmpty() && parser.isReallyEmpty() == false) {
entries.addElement(
new Status(
"Twitter",
"No statuses. API response from "
+ timelineUrl
+ " ("
+ lastResponseCode
+ "): "
+ HttpUtil.getHeaders()
+ " "
+ parser.getRawData(),
Calendar.getInstance().getTime(),
""));
retry = !retry;
} else if (entries.isEmpty() && parser.isReallyEmpty() == true) {
entries.addElement(
new Status("Twitter", "No Tweets found.", Calendar.getInstance().getTime(), ""));
} else {
retry = false;
}
} while (retry);
} catch (IOException ex) {
entries.addElement(
new Status(
"Twitter",
"Error occured. Please check " + "your connection or username and password.",
Calendar.getInstance().getTime(),
""));
entries.addElement(
new Status(
"Twitter", "StackTrace: " + ex.toString(), Calendar.getInstance().getTime(), ""));
ex.printStackTrace();
} catch (Exception ex) {
entries.addElement(
new Status(
"Twitter", "API exception: " + ex.toString(), Calendar.getInstance().getTime(), ""));
}
return entries;
}
