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"Added sample: java/src/main/java/com/google/api/services/samples/youtube/cmdline/data/PlaylistUpdates.java"
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‎java/src/main/java/com/google/api/services/samples/youtube/cmdline/data/PlaylistUpdates.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
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing permissions and
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* limitations under 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.*;
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import com.google.common.collect.Lists;
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import java.io.IOException;
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import java.util.Calendar;
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import java.util.List;
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/**
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* Creates a new, private playlist in the authorized user's channel and add
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* a video to that new playlist.
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*
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* @author Jeremy Walker
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*/
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public class PlaylistUpdates {
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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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* Define a global variable that identifies the video that will be added
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* to the new playlist.
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*/
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private static final String VIDEO_ID = "SZj6rAYkYOg";
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/**
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* Authorize the user, create a playlist, and add an item to the 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 full read/write access to the
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// authenticated user's account.
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List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube");
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try {
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// Authorize the request.
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Credential credential = Auth.authorize(scopes, "playlistupdates");
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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)
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.setApplicationName("youtube-cmdline-playlistupdates-sample")
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.build();
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// Create a new, private playlist in the authorized user's channel.
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String playlistId = insertPlaylist();
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// If a valid playlist was created, add a video to that playlist.
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insertPlaylistItem(playlistId, VIDEO_ID);
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} catch (GoogleJsonResponseException e) {
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System.err.println("There was a service error: " + e.getDetails().getCode() + " : " + e.getDetails().getMessage());
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e.printStackTrace();
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} catch (IOException e) {
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System.err.println("IOException: " + e.getMessage());
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e.printStackTrace();
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} catch (Throwable t) {
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System.err.println("Throwable: " + t.getMessage());
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t.printStackTrace();
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}
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}
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/**
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* Create a playlist and add it to the authorized account.
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*/
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private static String insertPlaylist() throws IOException {
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// This code constructs the playlist resource that is being inserted.
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// It defines the playlist's title, description, and privacy status.
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PlaylistSnippet playlistSnippet = new PlaylistSnippet();
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playlistSnippet.setTitle("Test Playlist " + Calendar.getInstance().getTime());
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playlistSnippet.setDescription("A private playlist created with the YouTube API v3");
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PlaylistStatus playlistStatus = new PlaylistStatus();
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playlistStatus.setPrivacyStatus("private");
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Playlist youTubePlaylist = new Playlist();
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youTubePlaylist.setSnippet(playlistSnippet);
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youTubePlaylist.setStatus(playlistStatus);
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// Call the API to insert the new playlist. In the API call, the first
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// argument identifies the resource parts that the API response should
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// contain, and the second argument is the playlist being inserted.
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YouTube.Playlists.Insert playlistInsertCommand =
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youtube.playlists().insert("snippet,status", youTubePlaylist);
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Playlist playlistInserted = playlistInsertCommand.execute();
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// Print data from the API response and return the new playlist's
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// unique playlist ID.
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System.out.println("New Playlist name: " + playlistInserted.getSnippet().getTitle());
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System.out.println(" - Privacy: " + playlistInserted.getStatus().getPrivacyStatus());
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System.out.println(" - Description: " + playlistInserted.getSnippet().getDescription());
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System.out.println(" - Posted: " + playlistInserted.getSnippet().getPublishedAt());
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System.out.println(" - Channel: " + playlistInserted.getSnippet().getChannelId() + "\n");
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return playlistInserted.getId();
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}
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/**
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* Create a playlist item with the specified video ID and add it to the
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* specified playlist.
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*
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* @param playlistId assign to newly created playlistitem
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* @param videoId YouTube video id to add to playlistitem
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*/
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private static String insertPlaylistItem(String playlistId, String videoId) throws IOException {
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// Define a resourceId that identifies the video being added to the
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// playlist.
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ResourceId resourceId = new ResourceId();
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resourceId.setKind("youtube#video");
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resourceId.setVideoId(videoId);
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// Set fields included in the playlistItem resource's "snippet" part.
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PlaylistItemSnippet playlistItemSnippet = new PlaylistItemSnippet();
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playlistItemSnippet.setTitle("First video in the test playlist");
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playlistItemSnippet.setPlaylistId(playlistId);
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playlistItemSnippet.setResourceId(resourceId);
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// Create the playlistItem resource and set its snippet to the
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// object created above.
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PlaylistItem playlistItem = new PlaylistItem();
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playlistItem.setSnippet(playlistItemSnippet);
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// Call the API to add the playlist item to the specified playlist.
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// In the API call, the first argument identifies the resource parts
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// that the API response should contain, and the second argument is
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// the playlist item being inserted.
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YouTube.PlaylistItems.Insert playlistItemsInsertCommand =
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youtube.playlistItems().insert("snippet,contentDetails", playlistItem);
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PlaylistItem returnedPlaylistItem = playlistItemsInsertCommand.execute();
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// Print data from the API response and return the new playlist
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// item's unique playlistItem ID.
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System.out.println("New PlaylistItem name: " + returnedPlaylistItem.getSnippet().getTitle());
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System.out.println(" - Video id: " + returnedPlaylistItem.getSnippet().getResourceId().getVideoId());
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System.out.println(" - Posted: " + returnedPlaylistItem.getSnippet().getPublishedAt());
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System.out.println(" - Channel: " + returnedPlaylistItem.getSnippet().getChannelId());
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return returnedPlaylistItem.getId();
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}
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}

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