Tilman
269 lines
8.3 KiB
Java
269 lines
8.3 KiB
Java
/* Copyright (c) 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* 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 sample.youtube;
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import com.google.gdata.client.media.ResumableGDataFileUploader;
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import sample.util.SimpleCommandLineParser;
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import com.google.gdata.client.youtube.YouTubeService;
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import com.google.gdata.data.media.MediaFileSource;
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import com.google.gdata.data.media.mediarss.MediaCategory;
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import com.google.gdata.data.media.mediarss.MediaDescription;
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import com.google.gdata.data.media.mediarss.MediaKeywords;
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import com.google.gdata.data.media.mediarss.MediaTitle;
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import com.google.gdata.data.youtube.VideoEntry;
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import com.google.gdata.data.youtube.YouTubeMediaGroup;
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import com.google.gdata.data.youtube.YouTubeNamespace;
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import com.google.gdata.util.AuthenticationException;
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import com.google.gdata.util.ServiceException;
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import com.google.gdata.client.uploader.ProgressListener;
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import com.google.gdata.client.uploader.ResumableHttpFileUploader;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintStream;
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import java.net.URL;
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/**
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* Demonstrates YouTube Data API operation to upload large media files.
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*
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*
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*/
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public class YouTubeUploadClient {
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/**
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* The URL used to resumable upload
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*/
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public static final String RESUMABLE_UPLOAD_URL =
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"http://uploads.gdata.youtube.com/resumable/feeds/api/users/default/uploads";
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/** Time interval at which upload task will notify about the progress */
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private static final int PROGRESS_UPDATE_INTERVAL = 1000;
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/** Max size for each upload chunk */
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private static final int DEFAULT_CHUNK_SIZE = 10000000;
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/** Steam to print status messages to. */
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PrintStream output;
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/**
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* Input stream for reading user input.
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*/
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private static final BufferedReader bufferedReader = new BufferedReader(
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new InputStreamReader(System.in));
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/**
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* A {@link ProgressListener} implementation to track upload progress.
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* The listener can track multiple uploads at the same time.
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*/
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private class FileUploadProgressListener implements ProgressListener {
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public synchronized void progressChanged(ResumableHttpFileUploader uploader)
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{
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switch(uploader.getUploadState()) {
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case COMPLETE:
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output.println("Upload Completed");
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break;
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case CLIENT_ERROR:
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output.println("Upload Failed");
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break;
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case IN_PROGRESS:
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output.println(
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String.format("%3.0f", uploader.getProgress() * 100) + "%");
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break;
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case NOT_STARTED:
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output.println("Upload Not Started");
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break;
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}
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}
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}
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private YouTubeUploadClient(PrintStream out) {
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this.output = out;
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}
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/**
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* Uploads a new video to YouTube.
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*
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* @param service An authenticated YouTubeService object.
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* @throws IOException Problems reading user input.
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*/
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private void uploadVideo(YouTubeService service)
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throws IOException, ServiceException, InterruptedException {
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output.println("First, type in the path to the movie file:");
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File videoFile = new File(readLine());
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if (!videoFile.exists()) {
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output.println("Sorry, that video doesn't exist.");
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return;
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}
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output.println(
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"What is the MIME type of this file? (ex. 'video/quicktime' for .mov)");
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MediaFileSource ms = new MediaFileSource(videoFile, readLine());
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output.println("What should I call this video?");
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String videoTitle = readLine();
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VideoEntry newEntry = new VideoEntry();
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YouTubeMediaGroup mg = newEntry.getOrCreateMediaGroup();
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mg.addCategory(new MediaCategory(YouTubeNamespace.CATEGORY_SCHEME, "Tech"));
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mg.setTitle(new MediaTitle());
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mg.getTitle().setPlainTextContent(videoTitle);
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mg.setKeywords(new MediaKeywords());
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mg.getKeywords().addKeyword("gdata-test");
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mg.setDescription(new MediaDescription());
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mg.getDescription().setPlainTextContent(videoTitle);
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FileUploadProgressListener listener = new FileUploadProgressListener();
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ResumableGDataFileUploader uploader =
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new ResumableGDataFileUploader.Builder(
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service, new URL(RESUMABLE_UPLOAD_URL), ms, newEntry)
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.title(videoTitle)
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.trackProgress(listener, PROGRESS_UPDATE_INTERVAL)
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.chunkSize(DEFAULT_CHUNK_SIZE)
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.build();
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uploader.start();
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while (!uploader.isDone()) {
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Thread.sleep(PROGRESS_UPDATE_INTERVAL);
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}
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switch(uploader.getUploadState()) {
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case COMPLETE:
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output.println("Uploaded successfully");
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break;
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case CLIENT_ERROR:
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output.println("Upload Failed");
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break;
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default:
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output.println("Unexpected upload status");
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break;
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}
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}
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/**
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* YouTubeUploadClient is a sample command line application that
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* demonstrates how to upload large media files to youtube. This sample
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* uses resumable upload feature to upload large media.
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*
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* @param args Used to pass the username and password of a test account.
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*/
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public static void main(String[] args) {
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SimpleCommandLineParser parser = new SimpleCommandLineParser(args);
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String username = parser.getValue("username", "user", "u");
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String password = parser.getValue("password", "pass", "p");
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String developerKey = parser.getValue("key", "k");
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boolean help = parser.containsKey("help", "h");
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if (help || username == null || password == null || developerKey == null) {
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printUsage();
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System.exit(1);
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}
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YouTubeService service = new YouTubeService("gdataSample-YouTubeAuth-1",
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developerKey);
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try {
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service.setUserCredentials(username, password);
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} catch (AuthenticationException e) {
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System.out.println("Invalid login credentials.");
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System.exit(1);
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}
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YouTubeUploadClient client = new YouTubeUploadClient(System.out);
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while (true) {
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try {
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printMenu();
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int choice = readInt();
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switch(choice) {
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case 1:
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client.uploadVideo(service);
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break;
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case 0:
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System.exit(1);
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}
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} catch (IOException e) {
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// Communications error
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System.err.println(
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"There was a problem communicating with the service.");
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e.printStackTrace();
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} catch (ServiceException se) {
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System.out.println("Sorry, your upload was invalid:");
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System.out.println(se.getResponseBody());
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se.printStackTrace();
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} catch (InterruptedException ie) {
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System.out.println("Upload interrupted");
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}
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}
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}
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/**
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* Shows the usage of how to run the sample from the command-line.
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*/
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private static void printUsage() {
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System.out.println("Usage: java YouTubeUploadClient.jar "
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+ " --username <user@gmail.com> " + " --password <pass> "
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+ " --key <developer key>");
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}
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/**
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* Displays a menu of the main activities a user can perform.
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*/
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private static void printMenu() {
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System.out.println("\n");
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System.out.println("Choose one of the following demo options:");
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System.out.println("\t1) Upload new video");
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System.out.println("\t0) Exit");
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}
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/**
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* Reads a line of text from the standard input.
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*
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* @throws IOException If unable to read a line from the standard input.
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* @return A line of text read from the standard input.
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*/
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private static String readLine() throws IOException {
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return bufferedReader.readLine();
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}
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/**
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* Reads a line of text from the standard input and returns the parsed
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* integer representation.
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*
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* @throws IOException If unable to read a line from the standard input.
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* @return An integer read from the standard input.
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*/
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private static int readInt() throws IOException {
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String input = readLine();
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try {
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return Integer.parseInt(input);
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} catch (NumberFormatException nfe) {
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return 0;
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}
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}
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}
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