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Add file for coming-soon Java quickstart guide.
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java/src/main/java/com/google/api/services/samples/youtube/cmdline/data/Quickstart.java
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import com.google.api.client.auth.oauth2.Credential; | ||
import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp; | ||
import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver; | ||
import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow; | ||
import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets; | ||
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport; | ||
import com.google.api.client.googleapis.json.GoogleJsonResponseException; | ||
import com.google.api.client.http.HttpTransport; | ||
import com.google.api.client.json.jackson2.JacksonFactory; | ||
import com.google.api.client.json.JsonFactory; | ||
import com.google.api.client.util.store.FileDataStoreFactory; | ||
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import com.google.api.services.youtube.YouTubeScopes; | ||
import com.google.api.services.youtube.model.*; | ||
import com.google.api.services.youtube.YouTube; | ||
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import java.io.IOException; | ||
import java.io.InputStream; | ||
import java.io.InputStreamReader; | ||
import java.util.Arrays; | ||
import java.util.List; | ||
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public class Quickstart { | ||
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/** Application name. */ | ||
private static final String APPLICATION_NAME = "API Sample"; | ||
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/** Directory to store user credentials for this application. */ | ||
private static final java.io.File DATA_STORE_DIR = new java.io.File( | ||
System.getProperty("user.home"), ".credentials/youtube-java-quickstart"); | ||
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/** Global instance of the {@link FileDataStoreFactory}. */ | ||
private static FileDataStoreFactory DATA_STORE_FACTORY; | ||
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/** Global instance of the JSON factory. */ | ||
private static final JsonFactory JSON_FACTORY = | ||
JacksonFactory.getDefaultInstance(); | ||
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/** Global instance of the HTTP transport. */ | ||
private static HttpTransport HTTP_TRANSPORT; | ||
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/** Global instance of the scopes required by this quickstart. | ||
* | ||
* If modifying these scopes, delete your previously saved credentials | ||
* at ~/.credentials/drive-java-quickstart | ||
*/ | ||
private static final List<String> SCOPES = | ||
Arrays.asList(YouTubeScopes.YOUTUBE_READONLY); | ||
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static { | ||
try { | ||
HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport(); | ||
DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR); | ||
} catch (Throwable t) { | ||
t.printStackTrace(); | ||
System.exit(1); | ||
} | ||
} | ||
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/** | ||
* Create an authorized Credential object. | ||
* @return an authorized Credential object. | ||
* @throws IOException | ||
*/ | ||
public static Credential authorize() throws IOException { | ||
// Load client secrets. | ||
InputStream in = | ||
Quickstart.class.getResourceAsStream("/client_secret.json"); | ||
GoogleClientSecrets clientSecrets = | ||
GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in)); | ||
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// Build flow and trigger user authorization request. | ||
GoogleAuthorizationCodeFlow flow = | ||
new GoogleAuthorizationCodeFlow.Builder( | ||
HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES) | ||
.setDataStoreFactory(DATA_STORE_FACTORY) | ||
.setAccessType("offline") | ||
.build(); | ||
Credential credential = new AuthorizationCodeInstalledApp( | ||
flow, new LocalServerReceiver()).authorize("user"); | ||
return credential; | ||
} | ||
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/** | ||
* Build and return an authorized API client service, such as a YouTube | ||
* Data API client service. | ||
* @return an authorized API client service | ||
* @throws IOException | ||
*/ | ||
public static YouTube getYouTubeService() throws IOException { | ||
Credential credential = authorize(); | ||
return new YouTube.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential) | ||
.setApplicationName(APPLICATION_NAME) | ||
.build(); | ||
} | ||
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public static void main(String[] args) throws IOException { | ||
YouTube youtube = getYouTubeService(); | ||
try { | ||
YouTube.Channels.List channelsListByUsernameRequest = youtube.channels().list("snippet,contentDetails,statistics"); | ||
channelsListByUsernameRequest.setForUsername("GoogleDevelopers"); | ||
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ChannelListResponse response = channelsListByUsernameRequest.execute(); | ||
Channel channel = response.getItems().get(0); | ||
System.out.printf( | ||
"This channel's ID is %s. Its title is '%s', and it has %s views.\n", | ||
channel.getId(), | ||
channel.getSnippet().getTitle(), | ||
channel.getStatistics().getViewCount()); | ||
} catch (GoogleJsonResponseException e) { | ||
e.printStackTrace(); | ||
System.err.println("There was a service error: " + | ||
e.getDetails().getCode() + " : " + e.getDetails().getMessage()); | ||
} catch (Throwable t) { | ||
t.printStackTrace(); | ||
} | ||
} | ||
} |