!7

lib 1009385 // google auth client

lib 1009386 // google api client json (not useful)

import com.google.api.client.auth.oauth2.Credential;

import com.google.api.client.googleapis.json.GoogleJsonResponseException;

import com.google.api.services.samples.youtube.cmdline.Auth;

import com.google.api.services.youtube.YouTube;

import com.google.api.services.youtube.model.Channel;

import com.google.api.services.youtube.model.ChannelListResponse;

import com.google.api.services.youtube.model.PlaylistItem;

import com.google.api.services.youtube.model.PlaylistItemListResponse;

import com.google.common.collect.Lists;

/**

 * Print a list of videos uploaded to the authenticated user's YouTube channel.

 *

 * @author Jeremy Walker

 */

    /**

     * Define a global instance of a Youtube object, which will be used

     * to make YouTube Data API requests.

     */

    private static YouTube youtube;

    /**

     * Authorize the user, call the youtube.channels.list method to retrieve

     * the playlist ID for the list of videos uploaded to the user's channel,

     * and then call the youtube.playlistItems.list method to retrieve the

     * list of videos in that playlist.

     *

     * @param args command line args (not used).

     */

    public static void main(String[] args) {

        // This OAuth 2.0 access scope allows for read-only access to the

        // authenticated user's account, but not other types of account access.

        List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube.readonly");

        try {

            // Authorize the request.

            Credential credential = Auth.authorize(scopes, "myuploads");

            // This object is used to make YouTube Data API requests.

            youtube = new YouTube.Builder(Auth.HTTP_TRANSPORT, Auth.JSON_FACTORY, credential).setApplicationName(

                    "youtube-cmdline-myuploads-sample").build();

            // Call the API's channels.list method to retrieve the

            // resource that represents the authenticated user's channel.

            // In the API response, only include channel information needed for

            // this use case. The channel's contentDetails part contains

            // playlist IDs relevant to the channel, including the ID for the

            // list that contains videos uploaded to the channel.

            YouTube.Channels.List channelRequest = youtube.channels().list("contentDetails");

            channelRequest.setMine(true);

            channelRequest.setFields("items/contentDetails,nextPageToken,pageInfo");

            ChannelListResponse channelResult = channelRequest.execute();

            List<Channel> channelsList = channelResult.getItems();

            if (channelsList != null) {

                // The user's default channel is the first item in the list.

                // Extract the playlist ID for the channel's videos from the

                // API response.

                String uploadPlaylistId =

                        channelsList.get(0).getContentDetails().getRelatedPlaylists().getUploads();

                // Define a list to store items in the list of uploaded videos.

                List<PlaylistItem> playlistItemList = new ArrayList<PlaylistItem>();

                // Retrieve the playlist of the channel's uploaded videos.

                YouTube.PlaylistItems.List playlistItemRequest =

                        youtube.playlistItems().list("id,contentDetails,snippet");

                playlistItemRequest.setPlaylistId(uploadPlaylistId);

                // Only retrieve data used in this application, thereby making

                // the application more efficient. See:

                // https://developers.google.com/youtube/v3/getting-started#partial

                playlistItemRequest.setFields(

                        "items(contentDetails/videoId,snippet/title,snippet/publishedAt),nextPageToken,pageInfo");

                String nextToken = "";

                // Call the API one or more times to retrieve all items in the

                // list. As long as the API response returns a nextPageToken,

                // there are still more items to retrieve.

                do {

                    playlistItemRequest.setPageToken(nextToken);

                    PlaylistItemListResponse playlistItemResult = playlistItemRequest.execute();

                    playlistItemList.addAll(playlistItemResult.getItems());

                    nextToken = playlistItemResult.getNextPageToken();

                } while (nextToken != null);

                // Prints information about the results.

                prettyPrint(playlistItemList.size(), playlistItemList.iterator());

            }

        } catch (GoogleJsonResponseException e) {

            e.printStackTrace();

            System.err.println("There was a service error: " + e.getDetails().getCode() + " : "

                    + e.getDetails().getMessage());

        } catch (Throwable t) {

            t.printStackTrace();

        }

    }

    /*

     * Print information about all of the items in the playlist.

     *

     * @param size size of list

     *

     * @param iterator of Playlist Items from uploaded Playlist

     */

    private static void prettyPrint(int size, Iterator<PlaylistItem> playlistEntries) {

        System.out.println("=============================================================");

        System.out.println("\t\tTotal Videos Uploaded: " + size);

        System.out.println("=============================================================\n");

        while (playlistEntries.hasNext()) {

            PlaylistItem playlistItem = playlistEntries.next();

            System.out.println(" video name  = " + playlistItem.getSnippet().getTitle());

            System.out.println(" video id    = " + playlistItem.getContentDetails().getVideoId());

            System.out.println(" upload date = " + playlistItem.getSnippet().getPublishedAt());

            System.out.println("\n-------------------------------------------------------------\n");

        }

    }