Java tutorial
package com.siblinks.ws.util; /* * Copyright (c) 2012 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ //package com.google.api.services.samples.youtube.cmdline.data; import com.google.api.client.auth.oauth2.Credential; import com.google.api.client.googleapis.json.GoogleJsonResponseException; 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; import java.io.IOException; import java.util.ArrayList; import java.util.Iterator; import java.util.List; /** * Print a list of videos uploaded to the authenticated user's YouTube channel. * * @author Jeremy Walker */ public class MyUploads { /** * 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"); List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtubepartner"); // https://www.googleapis.com/auth/youtube 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,status"); */ YouTube.PlaylistItems.List playlistItemRequest = youtube.playlistItems() .list("id,contentDetails,snippet,status"); playlistItemRequest.setPlaylistId(uploadPlaylistId); playlistItemRequest.setFields("items(*),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) throws IOException { 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.toString()); System.out.println("\n-------------------------------------------------------------\n"); } } }