我不熟悉 Google+ API 和 Java-Client API。所以请耐心等待我。
我正在尝试使用 Java-Client 和 G+ API 1.14 检索我的 google+ Activity ,但我未能创建客户端对象,我已经尝试了一天,但我没有运气自己解决它,所以我来这里请求一个帮助。
我的代码是:
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.googleapis.services.CommonGoogleClientRequestInitializer;
import com.google.api.client.googleapis.services.GoogleClientRequestInitializer;
import com.google.api.client.googleapis.services.json.CommonGoogleJsonClientRequestInitializer;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.plus.Plus;
import com.google.api.services.plus.model.Activity;
import com.google.api.services.plus.model.ActivityFeed;
import com.google.api.services.plus.Plus.Builder;
public class GooglePlusService {
/**
* google plus service acess stub
*/
private Plus plusSvc;
/**
* google plus api key
*/
private String GooglePlusAPIKey = "MY key"; //<-- YOUR KEY GOES HERE
/**
* connect to the google plus service
*/
public GooglePlusService() {
setupTransport();
}
public List<Activity> getActivityList(String userid) throws IOException {
List<Activity> retval = new ArrayList<Activity>();
Plus.Activities.List listActivities =
plusSvc.activities().list(userid, "public");
listActivities.setMaxResults(100L);
// get the 1st page of activity objects
ActivityFeed activityFeed = listActivities.execute();
// unwrap the request and extract the pieces we want
List<Activity> pageOfActivities = activityFeed.getItems();
// loop through until we arrive at an empty page
while (pageOfActivities != null) {
for (Activity activity : pageOfActivities) {
retval.add(activity);
System.out.println("ID " + activity.getId() + " Content: " +
activity.getObject().getContent());
}
// we will know we are on the last page when the next page token
// is null (in which case, break).
if (activityFeed.getNextPageToken() == null) {
break;
}
// prepare to request the next page of activities
listActivities.setPageToken(activityFeed.getNextPageToken());
// execute and process the next page request
activityFeed = listActivities.execute();
pageOfActivities = activityFeed.getItems();
}
return retval;
}
/**
* google plus service stub object
*/
public Plus getPlusSvc() {
return plusSvc;
}
private void setupTransport() {
/*
plusSvc = new Plus(new NetHttpTransport(),
new GsonFactory());
plusSvc.setKey(GooglePlusAPIKey);
*/
HttpRequestInitializer initializer = (HttpRequestInitializer) new CommonGoogleClientRequestInitializer("GooglePlusAPIKey");
plusSvc = new Plus(new NetHttpTransport(), new GsonFactory(), initializer);
GoogleClientRequestInitializer KEY_INITIALIZER = new CommonGoogleJsonClientRequestInitializer(GooglePlusAPIKey);
}
}
我的问题是在 setupTransport() 部分,我无法创建客户端对象,因为我不知道要分配给 httpRequestInitializer 的内容:
Plus(HttpTransport 传输,JsonFactory jsonFactory,HttpRequestInitializer httpRequestInitializer)
我尝试过:
HttpRequestInitializer 初始值设定项 = (HttpRequestInitializer)new CommonGoogleClientRequestInitializer("GooglePlusAPIKey");
但它给出了无法转换 CommonGoogleClientRequestInitializer 的错误
我尝试过: GoogleClientRequestInitializer KEY_INITIALIZER = new CommonGoogleJsonClientRequestInitializer(GooglePlusAPIKey); 但不知道之后该做什么。
我需要了解如何使用 API 进行 http 请求初始化
我真的需要帮助,我很感激。
等待回复。
最佳答案
HttpRequestInitializer 实例是一个 GoogleCredential 对象,如 PhotoHunt sample 中所示。 。在发送请求之前,GoogleCredential 对象将在 Plus 服务的每个请求上设置相关的 Authorization header 。
创建 GoogleCredential 对象并在 Plus.Builder 中使用它的相关行是:
GoogleCredential credential = new GoogleCredential.Builder()
.setJsonFactory(JSON_FACTORY).setTransport(TRANSPORT)
.setClientSecrets(CLIENT_ID, CLIENT_SECRET).build();
GoogleTokenResponse tokenFromExchange = exchangeCode(accessToken);
credential.setFromTokenResponse(tokenFromExchange);
Plus plus = new Plus.Builder(TRANSPORT, JSON_FACTORY, credential).build();
关于java - 未能创建 google+ 客户端对象来检索 java 中的 Activity ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15749926/