test.CommentHandling.java Source code

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Here is the source code for test.CommentHandling.java

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package test;

/*
 * Copyright (c) 2013 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.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;

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.CommentSnippet;
import com.google.api.services.youtube.model.CommentThread;
import com.google.api.services.youtube.model.CommentThreadListResponse;
import com.google.common.collect.Lists;

/**
 * This sample creates and manages comments by:
 *
 * 1. Retrieving the top-level comments for a video via "commentThreads.list" method.
 * 2. Replying to a comment thread via "comments.insert" method.
 * 3. Retrieving comment replies via "comments.list" method.
 * 4. Updating an existing comment via "comments.update" method.
 * 5. Sets moderation status of an existing comment via "comments.setModerationStatus" method.
 * 6. Marking a comment as spam via "comments.markAsSpam" method.
 * 7. Deleting an existing comment via "comments.delete" method.
 *
 * @author Ibrahim Ulukaya
 */
public class CommentHandling {

    /**
     * Define a global instance of a YouTube object, which will be used to make
     * YouTube Data API requests.
     */
    private static YouTube youtube;

    /**
      * List, reply to comment threads; list, update, moderate, mark and delete
      * replies.
      *
      * @param args command line args (not used).
      */
    public static void main(String[] args) {

        // This OAuth 2.0 access scope allows for full read/write access to the
        // authenticated user's account and requires requests to use an SSL connection.
        List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube.force-ssl");

        try {

            // Authorize the request.
            Credential credential = Auth.authorize(scopes, "commentthreads");

            // This object is used to make YouTube Data API requests.
            youtube = new YouTube.Builder(Auth.HTTP_TRANSPORT, Auth.JSON_FACTORY, credential)
                    .setApplicationName("youtube-cmdline-commentthreads-sample").build();

            // Prompt the user for the ID of a video to comment on.
            // Retrieve the video ID that the user is commenting to.
            String videoId = getVideoId();
            System.out.println("You chose " + videoId + " to subscribe.");

            // Call the YouTube Data API's commentThreads.list method to
            // retrieve video comment threads.
            CommentThreadListResponse videoCommentsListResponse = youtube.commentThreads().list("snippet")
                    .setVideoId(videoId).setTextFormat("plainText").execute();
            List<CommentThread> videoComments = videoCommentsListResponse.getItems();
            ;

            if (videoComments.isEmpty()) {
                System.out.println("Can't get video comments.");
            } else {
                // Print information from the API response.
                System.out.println("\n================== Returned Video Comments ==================\n");
                for (CommentThread videoComment : videoComments) {
                    CommentSnippet snippet = videoComment.getSnippet().getTopLevelComment().getSnippet();
                    System.out.println("  - Author: " + snippet.getAuthorDisplayName());
                    System.out.println("  - Comment: " + snippet.getTextDisplay());
                    System.out.println("  - Date: " + snippet.getPublishedAt());
                    System.out.println("  - LikeCount: " + snippet.getLikeCount());
                    System.out.println("\n-------------------------------------------------------------\n");
                }
            }
        } catch (GoogleJsonResponseException e) {
            System.err.println("GoogleJsonResponseException code: " + e.getDetails().getCode() + " : "
                    + e.getDetails().getMessage());
            e.printStackTrace();

        } catch (IOException e) {
            System.err.println("IOException: " + e.getMessage());
            e.printStackTrace();
        } catch (Throwable t) {
            System.err.println("Throwable: " + t.getMessage());
            t.printStackTrace();
        }
    }

    /*
     * Prompt the user to enter a video ID. Then return the ID.
     */
    private static String getVideoId() throws IOException {

        String videoId = "";

        System.out.print("Please enter a video id: ");
        BufferedReader bReader = new BufferedReader(new InputStreamReader(System.in));
        videoId = bReader.readLine();
        return videoId;
    }
}