Hi,
It's the right flow if you store refresh token.
The client library refreshes the access token if access token expires.
(Specifically it tests the condition if the access token needs to be
refreshed in
OAuth2Helper<https://code.google.com/p/google-api-ads-java/source/browse/modules/ads_lib/src/main/java/com/google/api/ads/common/lib/auth/OAuth2Helper.java>
.isCredentialRefreshable)
Best,
- Takeshi, AdWords API Team
On Thursday, October 3, 2013 11:56:37 PM UTC+9, Sanju wrote:
>
> Hi Team,
>
> We are having a web server application which works online and also offline.
> Online : where we can do any change to campaigns(eg: changing the status
> or changing budget)
> Offline: with some Cron Trigger we dump the statistics of account/campaign
> offline every day through scheduler.
> So here I started upgrading my app from ClientLogin mechanism to OAuth2.0.
> Before I start upgrading I have read that after receiving the access_token
> and refresh token from authorization code, we need to connect to API
> using access_token only and refresh token need to be saved for future use.
> So here I have saved both the tokens in our data base but I create
> AdwordsSession object using the ClientId,Secret,devlopertoken,useragent and
> refreshToken along with customerId, but I didn't used access_token
> anywhere. But I can get all the info and reports with above process. you
> can see below sample code:
>
> *After getting authorization code:*
> if(authorizationCode!=null){
> log.info("authorizationCode: "+authorizationCode);
> GoogleTokenResponse tokenResponse = null;
> NetHttpTransport netHttpTransport = new NetHttpTransport();
> GoogleTokenResponse existAuthToken = null;
> try {
> JacksonFactory jacksonFactory = new JacksonFactory();
> log.info("authorizationCode:"+authorizationCode);
> tokenResponse = new
> GoogleAuthorizationCodeTokenRequest(netHttpTransport,jacksonFactory,CommonFunctions.CLIENT_ID,
>
> CommonFunctions.CLIENT_SECRET,
> authorizationCode,CommonFunctions.OAUTH_REDIRECT_URL).execute();
> // gleService = new GleServices(tokenResponse);
> hs.setAttribute("authToken", tokenResponse.getAccessToken());
> hs.setAttribute("refreshToken",
> tokenResponse.getRefreshToken());
> hs.setAttribute("tokenResponse", tokenResponse);
> } catch (Exception e) {
> e.printStackTrace();
> }
>
> *//getting session Obj:*
> public AdWordsSession getAdwordsSession(GoogleTokenResponse tokenResp,
> String cusId){
> File temp = null;
> Credential oAuth2Credential = null;
> AdWordsSession ses = null;
> try {
> temp = File.createTempFile("ads" , ".properties");
> BufferedWriter bw = new BufferedWriter(new
> FileWriter(temp));
> bw.write(refreshToken+"="+tokenResp.getRefreshToken());
> bw.newLine();
> bw.write(clientId+"="+CLIENT_ID_VALUE);
> bw.newLine();
> bw.write(clientSecret+"="+CLIENT_SECRET_ID);
> bw.newLine();
> bw.write(userAgentKey+"="+USER_AGENT);
> bw.newLine();
> bw.write(developerTokenKey+"="+DEVELOP_TOKEN);
> if(cusId!=null && cusId.length()>1){
> bw.newLine();
> bw.write(clientCustomerIdKey+"="+cusId);
> }
> bw.close();
> oAuth2Credential = new
> OfflineCredentials.Builder().forApi(OfflineCredentials.Api.ADWORDS).fromFile(temp).build().generateCredential();
> ses = new
> AdWordsSession.Builder().fromFile(temp).withOAuth2Credential(oAuth2Credential).build();
> createAdWordsServicesSingleton();
> } catch (Exception e) {
> e.printStackTrace();
> }
> return ses;
> }
>
>
> *So here I can get all the services like below:*
> CampaignServiceInterface campaignService =
> adWordsServices.get(adwordsSession, CampaignServiceInterface.class);
>
> and I can get all the adhoc reports as well as mutate,get functions works.
> I will create session object for respective account only once for first
> time and use the same session object through out my any modifications to
> that account.
>
> My doubt is whether am in the right flow what I doing or any wrong way
> because API release notes says that to use accessToken to connect to API
> always until it expires. But I can access and work cleanly with above
> limited process.
>
> So kindly let me know if this process is wrong or else any update info.
>
> Thanks in advance.
>
>
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