/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.streams.youtube.provider;
import org.apache.streams.core.StreamsDatum;
import org.apache.streams.google.gplus.configuration.UserInfo;
import org.apache.streams.jackson.StreamsJacksonMapper;
import org.apache.streams.util.api.requests.backoff.BackOffStrategy;
import org.apache.streams.youtube.YoutubeConfiguration;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.services.youtube.YouTube;
import com.google.api.services.youtube.model.Channel;
import com.google.gson.Gson;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.concurrent.BlockingQueue;
/**
* Collects YoutubeChannelData on behalf of YoutubeChannelProvider.
*/
public class YoutubeChannelDataCollector extends YoutubeDataCollector {
private static final Logger LOGGER = LoggerFactory.getLogger(YoutubeChannelDataCollector.class);
private static final String CONTENT = "snippet,contentDetails,statistics,topicDetails";
private static final ObjectMapper MAPPER = StreamsJacksonMapper.getInstance();
private static final int MAX_ATTEMPTS = 5;
private YouTube youTube;
private BlockingQueue<StreamsDatum> queue;
private BackOffStrategy strategy;
private UserInfo userInfo;
private YoutubeConfiguration youtubeConfig;
/**
* YoutubeChannelDataCollector constructor.
* @param youTube YouTube
* @param queue BlockingQueue of StreamsDatum
* @param strategy BackOffStrategy
* @param userInfo UserInfo
* @param youtubeConfig YoutubeConfiguration
*/
public YoutubeChannelDataCollector(
YouTube youTube,
BlockingQueue<StreamsDatum> queue,
BackOffStrategy strategy,
UserInfo userInfo,
YoutubeConfiguration youtubeConfig) {
this.youTube = youTube;
this.queue = queue;
this.strategy = strategy;
this.userInfo = userInfo;
this.youtubeConfig = youtubeConfig;
}
@Override
public void run() {
Gson gson = new Gson();
try {
int attempt = 0;
YouTube.Channels.List channelLists = this.youTube.channels().list(CONTENT).setId(this.userInfo.getUserId()).setKey(this.youtubeConfig.getApiKey());
boolean tryAgain = false;
do {
try {
List<Channel> channels = channelLists.execute().getItems();
for (Channel channel : channels) {
String json = gson.toJson(channel);
this.queue.put(new StreamsDatum(json, channel.getId()));
}
if (StringUtils.isEmpty(channelLists.getPageToken())) {
channelLists = null;
} else {
channelLists = this.youTube.channels().list(CONTENT).setId(this.userInfo.getUserId()).setOauthToken(this.youtubeConfig.getApiKey())
.setPageToken(channelLists.getPageToken());
}
} catch (GoogleJsonResponseException gjre) {
LOGGER.warn("GoogleJsonResposneException caught : {}", gjre);
tryAgain = backoffAndIdentifyIfRetry(gjre, this.strategy);
++attempt;
} catch (Throwable throwable) {
LOGGER.warn("Unable to get channel info for id : {}", this.userInfo.getUserId());
LOGGER.warn("Excpection thrown while trying to get channel info : {}", throwable);
}
}
while ((tryAgain && attempt < MAX_ATTEMPTS) || channelLists != null);
} catch (Throwable throwable) {
LOGGER.warn(throwable.getMessage());
}
}
}