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package com.juick.components;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.android.gcm.server.*;
import com.juick.ExternalToken;
import com.juick.User;
import com.juick.service.component.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
public class FirebaseManager implements NotificationListener {
private static Logger logger = LoggerFactory.getLogger(FirebaseManager.class);
@Inject
ObjectMapper jsonMapper;
@Value("${gcm_key:}")
private String gcmKey;
@Inject
private NotificationsManager notificationsManager;
private Sender GCMSender;
@PostConstruct
public void initialize() {
GCMSender = new Sender(gcmKey, Endpoint.GCM);
}
@Override
public void processMessageEvent(MessageEvent messageEvent) {
com.juick.Message jmsg = messageEvent.getMessage();
List<User> users = messageEvent.getUsers();
// GCM
List<String> regids = users.stream().flatMap(u -> u.getTokens().stream()).filter(d -> d.getType().equals("gcm"))
.map(ExternalToken::getToken).collect(Collectors.toList());
if (!regids.isEmpty()) {
try {
String json = jsonMapper.writeValueAsString(jmsg);
logger.info(json);
Message message = new Message.Builder().addData("message", json).build();
MulticastResult result = GCMSender.send(message, regids, 3);
List<Result> results = result.getResults();
for (int i = 0; i < results.size(); i++) {
Result currentResult = results.get(i);
logger.info("RES {}: {}", i, currentResult);
List<String> errorCodes = Arrays.asList(Constants.ERROR_MISMATCH_SENDER_ID, Constants.ERROR_NOT_REGISTERED);
if (errorCodes.contains(currentResult.getErrorCodeName())) {
// assuming results are in order of regids
// http://stackoverflow.com/a/11594531/1097384
String currentId = regids.get(i);
logger.info("{} is scheduled to remove", currentId);
notificationsManager.addInvalidGCMToken(currentId);
}
}
} catch (IOException ex) {
logger.error(ex.getMessage(), ex);
} catch (IllegalArgumentException err) {
logger.warn("Android: Invalid API Key", err);
}
} else {
logger.info("GMS: no recipients");
}
}
@Override
public void processSubscribeEvent(SubscribeEvent subscribeEvent) {
}
@Override
public void processLikeEvent(LikeEvent likeEvent) {
}
@Override
public void processPingEvent(PingEvent pingEvent) {
}
@Override
public void processMessageReadEvent(MessageReadEvent messageReadEvent) {
}
}
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