| package com.google.api.services.samples.googleplus.cmdline.simple; |
|
| import com.google.api.client.http.GenericUrl; |
| import com.google.api.client.http.HttpRequest; |
| import com.google.api.client.http.HttpRequestFactory; |
| import com.google.api.client.http.HttpRequestInitializer; |
| import com.google.api.client.http.HttpResponse; |
| import com.google.api.client.http.HttpResponseException; |
| import com.google.api.client.http.HttpTransport; |
| import com.google.api.client.http.javanet.NetHttpTransport; |
| import com.google.api.client.json.GenericJson; |
| import com.google.api.client.json.JsonFactory; |
| import com.google.api.client.json.JsonObjectParser; |
| import com.google.api.client.json.jackson2.JacksonFactory; |
| import com.google.api.client.util.Key; |
|
| import java.io.IOException; |
| import java.util.List; |
|
| /** |
| * Simple example that demonstrates how to use <a |
| * href="code.google.com/p/google-http-java-client/">Google HTTP Client Library for Java</a> with |
| * the <a href="https://developers.google.com/+/api/">Google+ API</a>. |
| * |
| * <p> |
| * Note that in the case of the Google+ API, there is a much better custom library built on top of |
| * this HTTP library that is much easier to use and hides most of these details for you. See <a |
| * href="http://code.google.com/p/google-api-java-client/wiki/APIs#Google+_API">Google+ API for |
| * Java</a>. |
| * </p> |
| * |
| * @author Yaniv Inbar |
| */ |
| publicclassGooglePlusSample{ |
|
| privatestaticfinalString API_KEY = |
| "Enter API Key from https://code.google.com/apis/console/?api=plus into API_KEY"; |
|
| privatestaticfinalString USER_ID ="116899029375914044550"; |
| privatestaticfinalint MAX_RESULTS =3; |
|
| staticfinalHttpTransport HTTP_TRANSPORT =newNetHttpTransport(); |
| staticfinalJsonFactory JSON_FACTORY =newJacksonFactory(); |
|
| /** Feed of Google+ activities. */ |
| publicstaticclassActivityFeed{ |
|
| /** List of Google+ activities. */ |
| @Key("items") |
| privateList<Activity> activities; |
|
| publicList<Activity> getActivities(){ |
| return activities; |
| } |
| } |
|
| /** Google+ activity. */ |
| publicstaticclassActivityextendsGenericJson{ |
|
| /** Activity URL. */ |
| @Key |
| privateString url; |
|
| publicString getUrl(){ |
| return url; |
| } |
|
| /** Activity object. */ |
| @Key("object") |
| privateActivityObject activityObject; |
|
| publicActivityObject getActivityObject(){ |
| return activityObject; |
| } |
| } |
|
| /** Google+ activity object. */ |
| publicstaticclassActivityObject{ |
|
| /** HTML-formatted content. */ |
| @Key |
| privateString content; |
|
| publicString getContent(){ |
| return content; |
| } |
|
| /** People who +1'd this activity. */ |
| @Key |
| privatePlusOners plusoners; |
|
| publicPlusOners getPlusOners(){ |
| return plusoners; |
| } |
| } |
|
| /** People who +1'd an activity. */ |
| publicstaticclassPlusOners{ |
|
| /** Total number of people who +1'd this activity. */ |
| @Key |
| privatelong totalItems; |
|
| publiclong getTotalItems(){ |
| return totalItems; |
| } |
| } |
|
| /** Google+ URL. */ |
| publicstaticclassPlusUrlextendsGenericUrl{ |
|
| publicPlusUrl(String encodedUrl){ |
| super(encodedUrl); |
| } |
|
| @SuppressWarnings("unused") |
| @Key |
| privatefinalString key = API_KEY; |
|
| /** Maximum number of results. */ |
| @Key |
| privateint maxResults; |
|
| publicint getMaxResults(){ |
| return maxResults; |
| } |
|
| publicPlusUrl setMaxResults(int maxResults){ |
| this.maxResults = maxResults; |
| returnthis; |
| } |
|
| /** Lists the public activities for the given Google+ user ID. */ |
| publicstaticPlusUrl listPublicActivities(String userId){ |
| returnnewPlusUrl( |
| "https://www.googleapis.com/plus/v1/people/"+ userId +"/activities/public"); |
| } |
| } |
|
| privatestaticvoid parseResponse(HttpResponse response)throwsIOException{ |
| ActivityFeed feed = response.parseAs(ActivityFeed.class); |
| if(feed.getActivities().isEmpty()){ |
| System.out.println("No activities found."); |
| }else{ |
| if(feed.getActivities().size()== MAX_RESULTS){ |
| System.out.print("First "); |
| } |
| System.out.println(feed.getActivities().size()+" activities found:"); |
| for(Activity activity : feed.getActivities()){ |
| System.out.println(); |
| System.out.println("-----------------------------------------------"); |
| System.out.println("HTML Content: "+ activity.getActivityObject().getContent()); |
| System.out.println("+1's: "+ activity.getActivityObject().getPlusOners().getTotalItems()); |
| System.out.println("URL: "+ activity.getUrl()); |
| System.out.println("ID: "+ activity.get("id")); |
| } |
| } |
| } |
|
| privatestaticvoid run()throwsIOException{ |
| HttpRequestFactory requestFactory = |
| HTTP_TRANSPORT.createRequestFactory(newHttpRequestInitializer(){ |
| @Override |
| publicvoid initialize(HttpRequest request){ |
| request.setParser(newJsonObjectParser(JSON_FACTORY)); |
| } |
| }); |
| PlusUrl url =PlusUrl.listPublicActivities(USER_ID).setMaxResults(MAX_RESULTS); |
| url.put("fields","items(id,url,object(content,plusoners/totalItems))"); |
| HttpRequest request = requestFactory.buildGetRequest(url); |
| parseResponse(request.execute()); |
| } |
|
| publicstaticvoid main(String[] args){ |
| if(API_KEY.startsWith("Enter ")){ |
| System.err.println(API_KEY); |
| System.exit(1); |
| } |
| try{ |
| try{ |
| run(); |
| return; |
| }catch(HttpResponseException e){ |
| System.err.println(e.getMessage()); |
| } |
| }catch(Throwable t){ |
| t.printStackTrace(); |
| } |
| System.exit(1); |
| } |
| } |