Wednesday, August 28, 2013
Tuesday, August 27, 2013
Monday, August 26, 2013
Sunday, August 25, 2013
YouTube Data API - Java Code Samples
Check the documentation here
package com.google.api.services.samples.youtube.cmdline.youtube_cmdline_channelbulletin_sample;
import java.io.File;
import java.util.Calendar;
import java.util.List;
import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
import com.google.api.client.extensions.java6.auth.oauth2.FileCredentialStore;
import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.youtube.YouTube;
import com.google.api.services.youtube.model.Activity;
import com.google.api.services.youtube.model.ActivityContentDetails;
import com.google.api.services.youtube.model.ActivityContentDetails.Bulletin;
import com.google.api.services.youtube.model.ActivitySnippet;
import com.google.api.services.youtube.model.Channel;
import com.google.api.services.youtube.model.ChannelListResponse;
import com.google.api.services.youtube.model.ResourceId;
import com.google.common.collect.Lists;
/**
* Creates a video bulletin that is posted to the user's channel feed.
*
* @author Jeremy Walker
*/
public class ChannelBulletin {
/** Global instance of the HTTP transport. */
private static final HttpTransport HTTP_TRANSPORT = new NetHttpTransport();
/** Global instance of the JSON factory. */
private static final JsonFactory JSON_FACTORY = new JacksonFactory();
/** Global instance of YouTube object to make all API requests. */
private static YouTube youtube;
/*
* Global instance of the video id we want to post as a bulletin into our channel feed. You will
* probably pull this from a search or your app.
*/
private static String VIDEO_ID = "L-oNKK1CrnU";
/**
* Authorizes the installed application to access user's protected data.
*
* @param scopes list of scopes needed to run upload.
*/
private static Credential authorize(List scopes) throws Exception {
// Load client secrets.
GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(
JSON_FACTORY, ChannelBulletin.class.getResourceAsStream("/client_secrets.json"));
// Checks that the defaults have been replaced (Default = "Enter X here").
if (clientSecrets.getDetails().getClientId().startsWith("Enter")
|| clientSecrets.getDetails().getClientSecret().startsWith("Enter ")) {
System.out.println(
"Enter Client ID and Secret from https://code.google.com/apis/console/?api=youtube"
+ "into youtube-cmdline-channelbulletin-sample/src/main/resources/client_secrets.json");
System.exit(1);
}
// Set up file credential store.
FileCredentialStore credentialStore = new FileCredentialStore(
new File(System.getProperty("user.home"), ".credentials/youtube-api-channelbulletin.json"),
JSON_FACTORY);
// Set up authorization code flow.
GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow.Builder(
HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, scopes).setCredentialStore(credentialStore)
.build();
// Build the local server and bind it to port 8080
LocalServerReceiver localReceiver = new LocalServerReceiver.Builder().setPort(8080).build();
// Authorize.
return new AuthorizationCodeInstalledApp(flow, localReceiver).authorize("user");
}
/**
* Authorizes user, runs Youtube.Channnels.List to get the default channel, and posts a bulletin
* with a video id to the user's default channel.
*
* @param args command line args (not used).
*/
public static void main(String[] args) {
// Scope required to upload to YouTube.
List scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube");
try {
// Authorization.
Credential credential = authorize(scopes);
// YouTube object used to make all API requests.
youtube = new YouTube.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential).setApplicationName(
"youtube-cmdline-channelbulletin-sample").build();
/*
* Now that the user is authenticated, the app makes a channel list request to get the
* authenticated user's channel. https://developers.google.com/youtube/v3/docs/channels/list
*/
YouTube.Channels.List channelRequest = youtube.channels().list("contentDetails");
channelRequest.setMine("true");
/*
* Limits the results to only the data we need making your app more efficient.
*/
channelRequest.setFields("items/contentDetails");
ChannelListResponse channelResult = channelRequest.execute();
/*
* Gets the list of channels associated with the user.
*/
List channelsList = channelResult.getItems();
if (channelsList != null) {
// Gets user's default channel id (first channel in list).
String channelId = channelsList.get(0).getId();
/*
* We create the snippet to set the channel we will post to and the description that goes
* along with our bulletin.
*/
ActivitySnippet snippet = new ActivitySnippet();
snippet.setChannelId(channelId);
Calendar cal = Calendar.getInstance();
snippet.setDescription("Bulletin test video via YouTube API on " + cal.getTime());
/*
* We set the kind of the ResourceId to video (youtube#video). Please note, you could set
* the type to a playlist (youtube#playlist) and use a playlist id instead of a video id.
*/
ResourceId resource = new ResourceId();
resource.setKind("youtube#video");
resource.setVideoId(VIDEO_ID);
Bulletin bulletin = new Bulletin();
bulletin.setResourceId(resource);
// We construct the ActivityContentDetails now that we have the Bulletin.
ActivityContentDetails contentDetails = new ActivityContentDetails();
contentDetails.setBulletin(bulletin);
/*
* Finally, we construct the activity we will write to YouTube via the API. We set the
* snippet (covers description and channel we are posting to) and the content details
* (covers video id and type).
*/
Activity activity = new Activity();
activity.setSnippet(snippet);
activity.setContentDetails(contentDetails);
/*
* We specify the parts (contentDetails and snippet) we will write to YouTube. Those also
* cover the parts that are returned.
*/
YouTube.Activities.Insert insertActivities =
youtube.activities().insert("contentDetails,snippet", activity);
// This returns the Activity that was added to the user's YouTube channel.
Activity newActivityInserted = insertActivities.execute();
if (newActivityInserted != null) {
System.out.println(
"New Activity inserted of type " + newActivityInserted.getSnippet().getType());
System.out.println(" - Video id "
+ newActivityInserted.getContentDetails().getBulletin().getResourceId().getVideoId());
System.out.println(
" - Description: " + newActivityInserted.getSnippet().getDescription());
System.out.println(" - Posted on " + newActivityInserted.getSnippet().getPublishedAt());
} else {
System.out.println("Activity failed.");
}
} else {
System.out.println("No channels are assigned to this user.");
}
} catch (GoogleJsonResponseException e) {
e.printStackTrace();
System.err.println("There was a service error: " + e.getDetails().getCode() + " : "
+ e.getDetails().getMessage());
} catch (Throwable t) {
t.printStackTrace();
}
}
}
Wednesday, August 21, 2013
Google Calendar API authorization using OAuth 2.0 for native applications
Example code here
Authorizing Requests to the Google Calendar API
PHP Runtime Environment on Google App Engine
Tuesday, August 20, 2013
Sunday, August 4, 2013
appcfg.cmd deploy to Google
cd C:\appengine-java-sdk-1.8.2\bin
appcfg.cmd update C:\Users\jeetu\workspace-xxx\projectxxx\war
email: xxx
password: xxx
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