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JAVA youtube api allow users to upload to my channel without login

I was playing around with youtube api samples that they provide in this link
with JAVA
I can search for videos upload videos to specific channel and all the code that they provide works fine.
the only problem I face is "when I try to upload it opens my default browser and asks me to sign in"
like this screenshot.
here is what in my head I know it's not that simple it's just a imagination of what I want to achieve.
// String myaccount = "username#gmail.com"
// String mypassword = "123456789"
// String mychannel_id = "UCU7mv98lde1hon2DXIgGMKg"
// signin(myaccount,mypassword,mychannel_id);
// upload(video.mp4);
what I have:
client_id, client_secret in json file
the channel id, account, and the password
i was searching for about a day and all i got is ..
access token
,Token Service API
,identity toolkit api
,onBehalfOfContent,onBehalfOfContentOwner
however I don't know how they work or where I can get them
finally I have small idea I traced the code and I found it saves a file with all credentials in C://users/user-name/.oauth-credentials
it's not readable but it seems like it is used to authorize the account with the password and channel id
can I use this?
would it expire for any reason and i have to refresh and if so how can I refresh it?
thanks for help BTW

Android OAuth with valid "CONSUMER_KEY" and "CONSUMER_SECRET"

I have a valid consumer_key and consumer_secret for my app to access resources on a certain website.
I create the consumer like this:
private void createConsumer(){
mConsumer = new CommonsHttpOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRET);
}
I create the provider like this:
private void createProvider(){
mProvider = new CommonsHttpOAuthProvider(REQUEST_TOKEN_URL, ACCESS_TOKEN_URL,
AUTHORIZE_URL);
}
I then use an AsyncTask to retrieve what I assume is a valid AccessToken from the server.
mAccessTokenUrl = mProvider.retrieveRequestToeken(mConsumer, CALL_BACK_URL);
with this call I get something similar to this:
``http://www.mygarden.org/oauth/authorize?/oauth_token=XXXXXXXXXXXXXXhs343sjd&oauth_callback=http%3A%2F%2Flocalhost
I'm assuming the token is correct because if I test this with the incorrect credentials I don't get anything back.
Question 1:
Is this callback url corrent, because on the site it does not specify a callback url, just the app's website; and how should I use it on the android app?
Question 2:
How do I now use the Access Token to consume certain services on the website, for example to get all the plants I should use this link: http://api.mygarden.org/activities/all which should return certain data in xml/json format
Extra information is that all calls to the API should use the http GET method unless specified otherwise. I do not want the user to first register on the site, I just want to consume the services they provide using my app's access credentials. If user credentials are necessary, could I embed them within the URL and grant the user access automatically?
The website is: http://www.mygarden.org
Thanks for your help.

To get a list of all the plants you don't need to authenticate a user. This is only necessary for user related actions, like posting status updates or adding plants to your garden.
So you only have to send a call to oauth/request_token and then oauth/access_token, after that you're ready to get some data from the API
Answer for Question 1:
If your developing an android application you don't need the callback url, this is needed when you want to authenticate a user trough a website. Make sure you select Client in the app settings on mygarden.org
Answer for Question 2:
To get all the plants you need plants/all. If you're using a standard oauth library, all the required oauth parameters are automatically added to your query
I'm a developer at mygarden.org, you can always contact our support ;)

Google Client Login Handling AuthToken

I have a non-gae, gwt application and it have a module that allows users to create documents online via google docs api.
To do that, i first ask user to enter the name and type of the document, than create a new document via google docs api with the given parameters and onSucces part of that servlet returns edit link which is used in client side to open a new page to edit the created document.
Problem that, eachtime i try to open that editLink user have to enter login informations. To solve this i try to use Google Client Login but i am totally lost i think.
First i have username and password of user and can directly use them, after searching i tried some examples which usually returns a token like this and that. Now what should i do with token? How can it be used to complete login process or should totally find another way to do login? All those oauth1,oauth2 and etc. documentations confused me a little bit.
here are my steps;
Server side;
LinkedHashMap<String, String> hashMap = new LinkedHashMap<String, String>();
// Login
DocumentList docList = new DocumentList("document");
docList.login(ServletUtil.googleDocsLoginInfo().get("username"), ServletUtil.googleDocsLoginInfo().get("password"));
//Create document with a unique suffix
String docName= parameterName+ "-Created-" + new Date();
docList.createNew(docName, dosyaTur);
// Find the created document and store editLink
DocumentListFeed feed = docList.getDocsListFeed("all");
for (final DocumentListEntry entry : feed.getEntries()) {
if (entry.getTitle().getPlainText().equals(docName)) {
hashMap.put("editlink", entry.getDocumentLink().getHref());
}
}
return hashMap;
And Client side;
#Override
public void onSuccess(LinkedHashMap<String, String> result) {
String editLink = result.get("editlink");
Window.open(editLink,"newwindow","locationno");
}
Thanks for your helps.

If I may suggest using OAuth instead of Client Login, which is outdated and less secure.
The functionality is basically the same (for OAuth 2.0 there are more ways to handle the login).
I know, trying to understand how to access the api via OAuth is very confusing, so I try to break it down a little:
If you use OAuth 2.0 you may want to use a library like this one or you can try out my own (although I wrote it for Android, this could work with other Java Apps including Web Apps)
This is what happens when a user logs in the first time with your app:
> Your App sends an authorization request containing some information about your app - for example your app needs to be registered with google and therefore has a special application key
< The Server sends you a url, open it in a new browser window and let the user login. There he will be asked to allow your app to access his account (or some parts of it) - when he confirms he will be prompted an Authorization Code which he needs to copy
> The user gets back to your app, where you will ask him for the authorization code. After he gave it, your app connects again with the server and sends the code as some kind of authorization grant of the user.
< The Server answers with a access token
All you need to do is use this access token (also called a bearer token) in all your requests to the server hidden in the header message.
I am sorry I can't give you a more precise answer right now, since I never used GWT. All I can say is, try using OAuth2, it is actually very simple (after you learn what all this confusing things like authorization flow, bearer token etc are) and really comfortable for your user, once the he has done the first login.

How to retrieve home timeline from twitter in the form of .xml or JSON using java?

I want to get a home timeline from twitter and I was able to get the home timeline using twitter4j and oauth authentication method
ConfigurationBuilder confBuilder = new ConfigurationBuilder();
confBuilder.setOAuthAccessToken(accessToken.getToken())
.setOAuthAccessTokenSecret(accessToken.getTokenSecret())
.setOAuthConsumerKey(key)
.setOAuthConsumerSecret(secret);
Twitter twit = new TwitterFactory(confBuilder.build()).getInstance();
User user = twitter.verifyCredentials();
List<Status> statuses = twitter.getHomeTimeline();
but the result is not in the form of .xml or JSON. i also tried
WebResource resource = client.resource("https://api.twitter.com/1/statuses/user_timeline.json");
but all I get is GET https://api.twitter.com/1/statuses/user_timeline.json returned a response status of 401 Unauthorized
I googled many times but I just cant get it right. Please I need a sample java code of how to do it. Complete code that can run right away would be really helpful as I got a lot of partially coded program and just couldnt get it to work. thank you in advance

OK, so after looking at the release notes for the 2.2.x versions, it appears there is a way to get the JSON representation from Twitter4J, but it's disabled by default since it uses some extra memory.
So, you need to:
Enable the JSONStore using the jsonStoreEnabled config option
Get the JSON representation of a request using the getRawJson method
Sorry there's no code example, I haven't tried it myself.

401 Unauthorized:
Authentication credentials were missing or incorrect.
You need to authenticate before you perform the query.

Invalid parameter exception on client.auth_getSession() in Facebook java API

I want to connect to a my facebook application using the facebook java api 2.1.1(http://code.google.com/p/facebook-java-api/). My application is in "Desktop" mode so I should be able to access it outside of a web application. I have not defined any callback url for it as well. My code looks something like this.
FacebookJsonRestClient client = new FacebookJsonRestClient( FB_APP_API_KEY, FB_APP_SECRET );
String token = client.auth_createToken();
HttpClient http = new HttpClient();
http.setParams(new HttpClientParams());
http.setState(new HttpState());
final String LOGIN = "https://login.facebook.com/login.php";
GetMethod get = new GetMethod(LOGIN + "?api_key=" + FB_APP_API_KEY + "&v=1.0&auth_token=" + token );
http.executeMethod(get);
PostMethod post = new PostMethod(LOGIN);
post.addParameter(new NameValuePair("api_key", FB_APP_API_KEY));
post.addParameter(new NameValuePair("v", "1.0"));
post.addParameter(new NameValuePair("auth_token", token));
post.addParameter(new NameValuePair("email", "my-email"));
post.addParameter(new NameValuePair("pass", "my-password"));
http.executeMethod(post);
String session = client.auth_getSession(token);
However instead of returning the session the API throws an exception:
com.google.code.facebookapi.FacebookException: Invalid parameter
at com.google.code.facebookapi.FacebookJsonRestClient.parseCallResult(FacebookJsonRestClient.java:354)
at com.google.code.facebookapi.ExtensibleClient.callMethod(ExtensibleClient.java:535)
at com.google.code.facebookapi.ExtensibleClient.callMethod(ExtensibleClient.java:472)
at com.google.code.facebookapi.FacebookJsonRestClient.auth_getSession(FacebookJsonRestClient.java:278)
Can anyone please tell me whats wrong with this code? And what is the correct way to access a facebook application in desktop mode using the java api (v. 2.1.1).
Thanks for your help.
Regards
Nabeel Mukhtar

As far as I understand FB's API, you're not supposed to provide username and password manually but instead let the user input them manually and then allow the Facebook Login to redirect the user back to your application. This means that instead of providing "email" and "pass" you provide "next" and "cancel" URL:s instead.
This is purely a security feature of FB API and while the theory behind it is alright, the execution is far from optimal.

See this discussion thread on the Google Code site. There's a link in the that thread to a wiki page which explains how to do desktop auth.