"Added sample: java/src/main/java/com/google/api/services/samples/yo…

…utube/cmdline/data/CommentThreads.java"

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

@@ -0,0 +1,269 @@
+/*
+ * 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.
+ */
+
+package com.google.api.services.samples.youtube.cmdline.data;
+
+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.samples.youtube.cmdline.Auth;
+import com.google.api.services.youtube.YouTube;
+import com.google.api.services.youtube.model.Comment;
+import com.google.api.services.youtube.model.CommentSnippet;
+import com.google.api.services.youtube.model.CommentThread;
+import com.google.api.services.youtube.model.CommentThreadSnippet;
+import com.google.api.services.youtube.model.V3CommentThreadListResponse;
+import com.google.common.collect.Lists;
+
+/**
+ * This sample creates and manages top-level comments by:
+ *
+ * 1. Creating a top-level comments for a video and a channel via "commentThreads.insert" method.
+ * 2. Retrieving the top-level comments for a video and a channel via "commentThreads.list" method.
+ * 3. Updating an existing comments via "commentThreads.update" method.
+ *
+ * @author Ibrahim Ulukaya
+ */
+public class CommentThreads {
+
+    /**
+     * Define a global instance of a YouTube object, which will be used to make
+     * YouTube Data API requests.
+     */
+    private static YouTube youtube;
+
+    /**
+     * Create, list and update top-level channel and video comments.
+     *
+     * @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.
+        List<String> scopes = Lists.newArrayList("https://www.googleapis.com/auth/youtube");
+
+        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 channel to comment on.
+            // Retrieve the channel ID that the user is commenting to.
+            String channelId = getChannelId();
+            System.out.println("You chose " + channelId + " to subscribe.");
+
+            // 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.");
+
+            // Prompt the user for the comment text.
+            // Retrieve the text that the user is commenting.
+            String text = getText();
+            System.out.println("You chose " + text + " to subscribe.");
+
+
+            // Insert channel comment by omitting videoId.
+            // Create a comment snippet with text.
+            CommentSnippet commentSnippet = new CommentSnippet();
+            commentSnippet.setTextOriginal(text);
+
+            // Create a top-level comment with snippet.
+            Comment topLevelComment = new Comment();
+            topLevelComment.setSnippet(commentSnippet);
+
+            // Create a comment thread snippet with channelId and top-level
+            // comment.
+            CommentThreadSnippet commentThreadSnippet = new CommentThreadSnippet();
+            commentThreadSnippet.setChannelId(channelId);
+            commentThreadSnippet.setTopLevelComment(topLevelComment);
+
+            // Create a comment thread with snippet.
+            CommentThread commentThread = new CommentThread();
+            commentThread.setSnippet(commentThreadSnippet);
+
+            // Call the YouTube Data API's commentThreads.insert method to
+            // create a comment.
+            CommentThread channelCommentInsertResponse = youtube.commentThreads()
+                    .insert("snippet", commentThread).execute();
+            // Print information from the API response.
+            System.out
+                    .println("\n================== Created Channel Comment ==================\n");
+            CommentSnippet snippet = channelCommentInsertResponse.getSnippet().getTopLevelComment()
+                    .getSnippet();
+            System.out.println("  - Author: " + snippet.getAuthorDisplayName());
+            System.out.println("  - Comment: " + snippet.getTextDisplay());
+            System.out
+                    .println("\n-------------------------------------------------------------\n");
+
+
+            // Insert video comment
+            commentThreadSnippet.setVideoId(videoId);
+            // Call the YouTube Data API's commentThreads.insert method to
+            // create a comment.
+            CommentThread videoCommentInsertResponse = youtube.commentThreads()
+                    .insert("snippet", commentThread).execute();
+            // Print information from the API response.
+            System.out
+                    .println("\n================== Created Video Comment ==================\n");
+            snippet = videoCommentInsertResponse.getSnippet().getTopLevelComment()
+                    .getSnippet();
+            System.out.println("  - Author: " + snippet.getAuthorDisplayName());
+            System.out.println("  - Comment: " + snippet.getTextDisplay());
+            System.out
+                    .println("\n-------------------------------------------------------------\n");
+
+
+            // Call the YouTube Data API's commentThreads.list method to
+            // retrieve video comment threads.
+            V3CommentThreadListResponse 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) {
+                    snippet = videoComment.getSnippet().getTopLevelComment()
+                            .getSnippet();
+                    System.out.println("  - Author: " + snippet.getAuthorDisplayName());
+                    System.out.println("  - Comment: " + snippet.getTextDisplay());
+                    System.out
+                            .println("\n-------------------------------------------------------------\n");
+                }
+                CommentThread firstComment = videoComments.get(0);
+                firstComment.getSnippet().getTopLevelComment().getSnippet()
+                        .setTextOriginal("updated");
+                CommentThread videoCommentUpdateResponse = youtube.commentThreads()
+                        .update("snippet", firstComment).execute();
+                // Print information from the API response.
+                System.out
+                        .println("\n================== Updated Video Comment ==================\n");
+                snippet = videoCommentUpdateResponse.getSnippet().getTopLevelComment()
+                        .getSnippet();
+                System.out.println("  - Author: " + snippet.getAuthorDisplayName());
+                System.out.println("  - Comment: " + snippet.getTextDisplay());
+                System.out
+                        .println("\n-------------------------------------------------------------\n");
+
+            }
+
+            // Call the YouTube Data API's commentThreads.list method to
+            // retrieve channel comment threads.
+            V3CommentThreadListResponse channelCommentsListResponse = youtube.commentThreads()
+                    .list("snippet").setChannelId(channelId).setTextFormat("plainText").execute();
+            List<CommentThread> channelComments = channelCommentsListResponse.getItems();
+
+            if (channelComments.isEmpty()) {
+                System.out.println("Can't get channel comments.");
+            } else {
+                // Print information from the API response.
+                System.out
+                        .println("\n================== Returned Channel Comments ==================\n");
+                for (CommentThread channelComment : channelComments) {
+                    snippet = channelComment.getSnippet().getTopLevelComment()
+                            .getSnippet();
+                    System.out.println("  - Author: " + snippet.getAuthorDisplayName());
+                    System.out.println("  - Comment: " + snippet.getTextDisplay());
+                    System.out
+                            .println("\n-------------------------------------------------------------\n");
+                }
+                CommentThread firstComment = channelComments.get(0);
+                firstComment.getSnippet().getTopLevelComment().getSnippet()
+                        .setTextOriginal("updated");
+                CommentThread channelCommentUpdateResponse = youtube.commentThreads()
+                        .update("snippet", firstComment).execute();
+                // Print information from the API response.
+                System.out
+                        .println("\n================== Updated Channel Comment ==================\n");
+                snippet = channelCommentUpdateResponse.getSnippet().getTopLevelComment()
+                        .getSnippet();
+                System.out.println("  - Author: " + snippet.getAuthorDisplayName());
+                System.out.println("  - Comment: " + snippet.getTextDisplay());
+                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 channel ID. Then return the ID.
+     */
+    private static String getChannelId() throws IOException {
+
+        String channelId = "";
+
+        System.out.print("Please enter a channel id: ");
+        BufferedReader bReader = new BufferedReader(new InputStreamReader(System.in));
+        channelId = bReader.readLine();
+
+        return channelId;
+    }
+
+    /*
+     * 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;
+    }
+
+    /*
+     * Prompt the user to enter text for a comment. Then return the text.
+     */
+    private static String getText() throws IOException {
+
+        String text = "";
+
+        System.out.print("Please enter a comment text: ");
+        BufferedReader bReader = new BufferedReader(new InputStreamReader(System.in));
+        text = bReader.readLine();
+
+        if (text.length() < 1) {
+            // If nothing is entered, defaults to "YouTube For Developers."
+            text = "YouTube For Developers.";
+        }
+        return text;
+    }
+}