Google Credential设置见我之前的博文解决 “Access Not Configured. The API (YouTube Analytics API) is not enabled for your project.”。
示例代码：
package com.yqu.yt;
import java.io.IOException;
import java.io.PrintStream;
import java.math.BigDecimal;
import java.util.List;
import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.youtube.YouTube;
import com.google.api.services.youtube.model.Channel;
import com.google.api.services.youtube.model.ChannelListResponse;
import com.google.api.services.youtubeAnalytics.YouTubeAnalytics;
import com.google.api.services.youtubeAnalytics.model.ResultTable;
import com.google.api.services.youtubeAnalytics.model.ResultTable.ColumnHeaders;
import com.google.common.collect.Lists;
public class HelloYoutubeAnalytics { //I18NOK:CLS
private static final HttpTransport HTTP_TRANSPORT =
new NetHttpTransport();
private static final JsonFactory JSON_FACTORY =
new JacksonFactory();
private static YouTube youtube;
private static YouTubeAnalytics analytics;
public static void main(String[] args) {
// These scopes are required to access information about the
// authenticated user's YouTube channel as well as Analytics
// data for that channel.
List<string> scopes = Lists.newArrayList(
"https://www.googleapis.com/auth/yt-analytics.readonly",
"https://www.googleapis.com/auth/youtube.readonly"
);
try {
// Authorize the request.
String accessToken="YOUR_ACCESS_TOKEN";
Credential credential = new GoogleCredential()
.setAccessToken(accessToken);
// This object is used to make YouTube Data API requests.
youtube = new YouTube.Builder(
HTTP_TRANSPORT, JSON_FACTORY, credential)
.setApplicationName("Hello Youtube Analytics")
.build();
// This object is used to make YouTube Analytics API requests.
analytics = new YouTubeAnalytics.Builder(
HTTP_TRANSPORT, JSON_FACTORY, credential)
.setApplicationName("Hello Youtube Analytics")
.build();
// Construct a request to retrieve the current user's channel ID.
YouTube.Channels.List channelRequest = youtube.
channels().list("id,snippet");
channelRequest.setMine(true);
channelRequest.setFields("items(id,snippet/title)");
ChannelListResponse channels = channelRequest.execute();
// List channels associated with the user.
List<channel> listOfChannels = channels.getItems();
// The user's default channel is the first item in the list.
Channel defaultChannel = listOfChannels.get(0);
String channelId = defaultChannel.getId();
PrintStream writer = System.out;
if (channelId == null) {
writer.println("No channel found.");
} else {
writer.println("Default Channel: " +
defaultChannel.getSnippet().getTitle() +
" ( " + channelId + " )\n");
printData(writer, "Views Over Time.",
executeViewsOverTimeQuery(analytics, channelId));
printData(writer, "Top Videos",
executeTopVideosQuery(analytics, channelId));
printData(writer, "Demographics",
executeDemographicsQuery(analytics, channelId));
}
} catch (IOException e) {
System.err.println("IOException: " + e.getMessage());
e.printStackTrace();
} catch (Throwable t) {
System.err.println("Throwable: " + t.getMessage());
t.printStackTrace();
}
}
private static ResultTable executeViewsOverTimeQuery(
YouTubeAnalytics analytics, String id)
throws IOException {
return analytics.reports()
.query("channel==" + id, // channel id
"2015-10-01", // Start date.
"2015-10-30", // End date.
"views,uniques") // Metrics.
.setDimensions("day")
.setSort("day")
.execute();
}
private static ResultTable executeTopVideosQuery(
YouTubeAnalytics analytics, String id)
throws IOException {
return analytics.reports()
.query("channel==" + id, // channel id
"2015-10-01", // Start date.
"2015-10-30", // End date.
"views,subscribersGained,subscribersLost") // Metrics.
.setDimensions("video")
.setSort("-views")
.setMaxResults(10)
.execute();
}
private static ResultTable executeDemographicsQuery(
YouTubeAnalytics analytics, String id)
throws IOException {
return analytics.reports()
.query("channel==" + id, // channel id
"2015-10-01", // Start date.
"2015-10-30", // End date.
"viewerPercentage") // Metrics.
.setDimensions("ageGroup,gender")
.setSort("-viewerPercentage")
.execute();
}
private static void printData(
PrintStream writer,
String title,
ResultTable results) {
writer.println("Report: " + title);
if (results.getRows() == null || results.getRows().isEmpty()) {
writer.println("No results Found.");
} else {
// Print column headers.
for (ColumnHeaders header : results.getColumnHeaders()) {
writer.printf("%二十s", header.getName());
}
writer.println();
// Print actual data.
int colHeaderCount = results.getColumnHeaders().size();
for (List<object> row : results.getRows()) {
for (int colNum = 0; colNum < colHeaderCount; colNum++) {
ColumnHeaders header = results.getColumnHeaders().get(colNum);
Object column = row.get(colNum);
if ("INTEGER".equals(header.getUnknownKeys().get("dataType"))) {
long l = ((BigDecimal) column).longValue();
writer.printf("%二十d", l);
} else if ("FLOAT".equals(header.getUnknownKeys().get("dataType"))) {
writer.printf("f", column);
} else if ("STRING".equals(header.getUnknownKeys().get("dataType"))) {
writer.printf("%二十s", column);
} else {
// default output.
writer.printf("%二十s", column);
}
}
writer.println();
}
writer.println();
}
}
}
输出：
Default Channel: Andrew Qu ( UC-OpYDuNCwCt-AIHC6xNYdw )
Report: Views Over Time.
day views uniques
2015-10-20 1.0 1.0
Report: Top Videos
video views subscribersGained subscribersLost
KHqrLhJPdtE 1.0 0.0 0.0
Report: Demographics
No results Found.
参考
YouTube Analytics API Client Library for Java
YouTube Analytics and Reporting APIs - Java Code Samples
GitHub：youtube/api-samples之Auth.java
YouTube Analytics API: Content Owner Reports
Google OAuth 2.0 Playground