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| 1 | +/* |
| 2 | + * Copyright (c) 2012 Google Inc. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| 5 | + * in compliance with the License. You may obtain a copy of the License at |
| 6 | + * |
| 7 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | + * |
| 9 | + * Unless required by applicable law or agreed to in writing, software distributed under the License |
| 10 | + * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| 11 | + * or implied. See the License for the specific language governing permissions and limitations under |
| 12 | + * the License. |
| 13 | + */ |
| 14 | + |
| 15 | +package com.google.api.services.samples.youtube.cmdline.data; |
| 16 | + |
| 17 | +import com.google.api.client.auth.oauth2.Credential; |
| 18 | +import com.google.api.client.googleapis.json.GoogleJsonResponseException; |
| 19 | +import com.google.api.services.samples.youtube.cmdline.Auth; |
| 20 | +import com.google.api.services.youtube.YouTube; |
| 21 | +import com.google.api.services.youtube.model.Channel; |
| 22 | +import com.google.api.services.youtube.model.ChannelListResponse; |
| 23 | +import com.google.api.services.youtube.model.PlaylistItem; |
| 24 | +import com.google.api.services.youtube.model.PlaylistItemListResponse; |
| 25 | +import com.google.common.collect.Lists; |
| 26 | + |
| 27 | +import java.util.ArrayList; |
| 28 | +import java.util.Iterator; |
| 29 | +import java.util.List; |
| 30 | + |
| 31 | +/** |
| 32 | + * Print a list of videos uploaded to the authenticated user's YouTube channel. |
| 33 | + * |
| 34 | + * @author Jeremy Walker |
| 35 | + */ |
| 36 | +public class MyUploads { |
| 37 | + |
| 38 | + /** |
| 39 | + * Define a global instance of a Youtube object, which will be used |
| 40 | + * to make YouTube Data API requests. |
| 41 | + */ |
| 42 | + private static YouTube youtube; |
| 43 | + |
| 44 | + /** |
| 45 | + * Authorize the user, call the youtube.channels.list method to retrieve |
| 46 | + * the playlist ID for the list of videos uploaded to the user's channel, |
| 47 | + * and then call the youtube.playlistItems.list method to retrieve the |
| 48 | + * list of videos in that playlist. |
| 49 | + * |
| 50 | + * @param args command line args (not used). |
| 51 | + */ |
| 52 | + public static void main(String[] args) { |
| 53 | + |
| 54 | + // This OAuth 2.0 access scope allows for read-only access to the |
| 55 | + // authenticated user's account, but not other types of account access. |
| 56 | + List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube.readonly"); |
| 57 | + |
| 58 | + try { |
| 59 | + // Authorize the request. |
| 60 | + Credential credential = Auth.authorize(scopes, "myuploads"); |
| 61 | + |
| 62 | + // This object is used to make YouTube Data API requests. |
| 63 | + youtube = new YouTube.Builder(Auth.HTTP_TRANSPORT, Auth.JSON_FACTORY, credential).setApplicationName( |
| 64 | + "youtube-cmdline-myuploads-sample").build(); |
| 65 | + |
| 66 | + // Call the API's channels.list method to retrieve the |
| 67 | + // resource that represents the authenticated user's channel. |
| 68 | + // In the API response, only include channel information needed for |
| 69 | + // this use case. The channel's contentDetails part contains |
| 70 | + // playlist IDs relevant to the channel, including the ID for the |
| 71 | + // list that contains videos uploaded to the channel. |
| 72 | + YouTube.Channels.List channelRequest = youtube.channels().list("contentDetails"); |
| 73 | + channelRequest.setMine(true); |
| 74 | + channelRequest.setFields("items/contentDetails,nextPageToken,pageInfo"); |
| 75 | + ChannelListResponse channelResult = channelRequest.execute(); |
| 76 | + |
| 77 | + List<Channel> channelsList = channelResult.getItems(); |
| 78 | + |
| 79 | + if (channelsList != null) { |
| 80 | + // The user's default channel is the first item in the list. |
| 81 | + // Extract the playlist ID for the channel's videos from the |
| 82 | + // API response. |
| 83 | + String uploadPlaylistId = |
| 84 | + channelsList.get(0).getContentDetails().getRelatedPlaylists().getUploads(); |
| 85 | + |
| 86 | + // Define a list to store items in the list of uploaded videos. |
| 87 | + List<PlaylistItem> playlistItemList = new ArrayList<PlaylistItem>(); |
| 88 | + |
| 89 | + // Retrieve the playlist of the channel's uploaded videos. |
| 90 | + YouTube.PlaylistItems.List playlistItemRequest = |
| 91 | + youtube.playlistItems().list("id,contentDetails,snippet"); |
| 92 | + playlistItemRequest.setPlaylistId(uploadPlaylistId); |
| 93 | + |
| 94 | + // Only retrieve data used in this application, thereby making |
| 95 | + // the application more efficient. See: |
| 96 | + // https://developers.google.com/youtube/v3/getting-started#partial |
| 97 | + playlistItemRequest.setFields( |
| 98 | + "items(contentDetails/videoId,snippet/title,snippet/publishedAt),nextPageToken,pageInfo"); |
| 99 | + |
| 100 | + String nextToken = ""; |
| 101 | + |
| 102 | + // Call the API one or more times to retrieve all items in the |
| 103 | + // list. As long as the API response returns a nextPageToken, |
| 104 | + // there are still more items to retrieve. |
| 105 | + do { |
| 106 | + playlistItemRequest.setPageToken(nextToken); |
| 107 | + PlaylistItemListResponse playlistItemResult = playlistItemRequest.execute(); |
| 108 | + |
| 109 | + playlistItemList.addAll(playlistItemResult.getItems()); |
| 110 | + |
| 111 | + nextToken = playlistItemResult.getNextPageToken(); |
| 112 | + } while (nextToken != null); |
| 113 | + |
| 114 | + // Prints information about the results. |
| 115 | + prettyPrint(playlistItemList.size(), playlistItemList.iterator()); |
| 116 | + } |
| 117 | + |
| 118 | + } catch (GoogleJsonResponseException e) { |
| 119 | + e.printStackTrace(); |
| 120 | + System.err.println("There was a service error: " + e.getDetails().getCode() + " : " |
| 121 | + + e.getDetails().getMessage()); |
| 122 | + |
| 123 | + } catch (Throwable t) { |
| 124 | + t.printStackTrace(); |
| 125 | + } |
| 126 | + } |
| 127 | + |
| 128 | + /* |
| 129 | + * Print information about all of the items in the playlist. |
| 130 | + * |
| 131 | + * @param size size of list |
| 132 | + * |
| 133 | + * @param iterator of Playlist Items from uploaded Playlist |
| 134 | + */ |
| 135 | + private static void prettyPrint(int size, Iterator<PlaylistItem> playlistEntries) { |
| 136 | + System.out.println("============================================================="); |
| 137 | + System.out.println("\t\tTotal Videos Uploaded: " + size); |
| 138 | + System.out.println("=============================================================\n"); |
| 139 | + |
| 140 | + while (playlistEntries.hasNext()) { |
| 141 | + PlaylistItem playlistItem = playlistEntries.next(); |
| 142 | + System.out.println(" video name = " + playlistItem.getSnippet().getTitle()); |
| 143 | + System.out.println(" video id = " + playlistItem.getContentDetails().getVideoId()); |
| 144 | + System.out.println(" upload date = " + playlistItem.getSnippet().getPublishedAt()); |
| 145 | + System.out.println("\n-------------------------------------------------------------\n"); |
| 146 | + } |
| 147 | + } |
| 148 | +} |
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