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"Added sample: java/src/main/java/com/google/api/services/samples/youtube/cmdline/data/MyUploads.java"
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  • java/src/main/java/com/google/api/services/samples/youtube/cmdline/data

‎java/src/main/java/com/google/api/services/samples/youtube/cmdline/data/MyUploads.java‎

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/*
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* Copyright (c) 2012 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.api.services.samples.youtube.cmdline.data;
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import com.google.api.client.auth.oauth2.Credential;
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import com.google.api.client.googleapis.json.GoogleJsonResponseException;
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import com.google.api.services.samples.youtube.cmdline.Auth;
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import com.google.api.services.youtube.YouTube;
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import com.google.api.services.youtube.model.Channel;
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import com.google.api.services.youtube.model.ChannelListResponse;
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import com.google.api.services.youtube.model.PlaylistItem;
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import com.google.api.services.youtube.model.PlaylistItemListResponse;
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import com.google.common.collect.Lists;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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/**
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* Print a list of videos uploaded to the authenticated user's YouTube channel.
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*
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* @author Jeremy Walker
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*/
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public class MyUploads {
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/**
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* Define a global instance of a Youtube object, which will be used
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* to make YouTube Data API requests.
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*/
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private static YouTube youtube;
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/**
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* Authorize the user, call the youtube.channels.list method to retrieve
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* the playlist ID for the list of videos uploaded to the user's channel,
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* and then call the youtube.playlistItems.list method to retrieve the
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* list of videos in that playlist.
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*
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* @param args command line args (not used).
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*/
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public static void main(String[] args) {
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// This OAuth 2.0 access scope allows for read-only access to the
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// authenticated user's account, but not other types of account access.
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List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube.readonly");
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try {
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// Authorize the request.
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Credential credential = Auth.authorize(scopes, "myuploads");
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// This object is used to make YouTube Data API requests.
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youtube = new YouTube.Builder(Auth.HTTP_TRANSPORT, Auth.JSON_FACTORY, credential).setApplicationName(
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"youtube-cmdline-myuploads-sample").build();
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// Call the API's channels.list method to retrieve the
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// resource that represents the authenticated user's channel.
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// In the API response, only include channel information needed for
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// this use case. The channel's contentDetails part contains
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// playlist IDs relevant to the channel, including the ID for the
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// list that contains videos uploaded to the channel.
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YouTube.Channels.List channelRequest = youtube.channels().list("contentDetails");
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channelRequest.setMine(true);
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channelRequest.setFields("items/contentDetails,nextPageToken,pageInfo");
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ChannelListResponse channelResult = channelRequest.execute();
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List<Channel> channelsList = channelResult.getItems();
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if (channelsList != null) {
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// The user's default channel is the first item in the list.
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// Extract the playlist ID for the channel's videos from the
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// API response.
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String uploadPlaylistId =
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channelsList.get(0).getContentDetails().getRelatedPlaylists().getUploads();
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// Define a list to store items in the list of uploaded videos.
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List<PlaylistItem> playlistItemList = new ArrayList<PlaylistItem>();
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// Retrieve the playlist of the channel's uploaded videos.
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YouTube.PlaylistItems.List playlistItemRequest =
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youtube.playlistItems().list("id,contentDetails,snippet");
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playlistItemRequest.setPlaylistId(uploadPlaylistId);
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// Only retrieve data used in this application, thereby making
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// the application more efficient. See:
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// https://developers.google.com/youtube/v3/getting-started#partial
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playlistItemRequest.setFields(
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"items(contentDetails/videoId,snippet/title,snippet/publishedAt),nextPageToken,pageInfo");
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String nextToken = "";
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// Call the API one or more times to retrieve all items in the
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// list. As long as the API response returns a nextPageToken,
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// there are still more items to retrieve.
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do {
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playlistItemRequest.setPageToken(nextToken);
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PlaylistItemListResponse playlistItemResult = playlistItemRequest.execute();
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playlistItemList.addAll(playlistItemResult.getItems());
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nextToken = playlistItemResult.getNextPageToken();
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} while (nextToken != null);
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// Prints information about the results.
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prettyPrint(playlistItemList.size(), playlistItemList.iterator());
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}
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} catch (GoogleJsonResponseException e) {
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e.printStackTrace();
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System.err.println("There was a service error: " + e.getDetails().getCode() + " : "
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+ e.getDetails().getMessage());
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} catch (Throwable t) {
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t.printStackTrace();
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}
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}
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/*
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* Print information about all of the items in the playlist.
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*
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* @param size size of list
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*
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* @param iterator of Playlist Items from uploaded Playlist
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*/
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private static void prettyPrint(int size, Iterator<PlaylistItem> playlistEntries) {
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System.out.println("=============================================================");
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System.out.println("\t\tTotal Videos Uploaded: " + size);
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System.out.println("=============================================================\n");
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while (playlistEntries.hasNext()) {
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PlaylistItem playlistItem = playlistEntries.next();
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System.out.println(" video name = " + playlistItem.getSnippet().getTitle());
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System.out.println(" video id = " + playlistItem.getContentDetails().getVideoId());
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System.out.println(" upload date = " + playlistItem.getSnippet().getPublishedAt());
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System.out.println("\n-------------------------------------------------------------\n");
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}
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}
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}

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