org.apache.james.jmap.memory.vacation.MemoryNotificationRegistry.java Source code

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Here is the source code for org.apache.james.jmap.memory.vacation.MemoryNotificationRegistry.java

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package org.apache.james.jmap.memory.vacation;

import java.time.ZonedDateTime;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;

import javax.inject.Inject;

import org.apache.james.jmap.api.vacation.AccountId;
import org.apache.james.jmap.api.vacation.NotificationRegistry;
import org.apache.james.jmap.api.vacation.RecipientId;
import org.apache.james.util.date.ZonedDateTimeProvider;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;

public class MemoryNotificationRegistry implements NotificationRegistry {

    public static class Entry {
        private final RecipientId recipientId;
        private final Optional<ZonedDateTime> expiryDate;

        public Entry(RecipientId recipientId, Optional<ZonedDateTime> expiryDate) {
            this.recipientId = recipientId;
            this.expiryDate = expiryDate;
        }

        public RecipientId getRecipientId() {
            return recipientId;
        }

        public Optional<ZonedDateTime> getExpiryDate() {
            return expiryDate;
        }
    }

    private final ZonedDateTimeProvider zonedDateTimeProvider;
    private final Multimap<AccountId, Entry> registrations;

    @Inject
    public MemoryNotificationRegistry(ZonedDateTimeProvider zonedDateTimeProvider) {
        this.zonedDateTimeProvider = zonedDateTimeProvider;
        this.registrations = Multimaps.synchronizedMultimap(HashMultimap.create());
    }

    @Override
    public CompletableFuture<Void> register(AccountId accountId, RecipientId recipientId,
            Optional<ZonedDateTime> expiryDate) {
        registrations.put(accountId, new Entry(recipientId, expiryDate));
        return CompletableFuture.completedFuture(null);
    }

    @Override
    public CompletableFuture<Boolean> isRegistered(AccountId accountId, RecipientId recipientId) {
        ZonedDateTime currentTime = zonedDateTimeProvider.get();
        return CompletableFuture.completedFuture(registrations
                .get(accountId).stream().filter(entry -> entry.getRecipientId().equals(recipientId))
                .map(Entry::getExpiryDate).findAny().filter(optional -> optional
                        .map(registrationEnd -> isStrictlyBefore(currentTime, registrationEnd)).orElse(true))
                .isPresent());
    }

    private boolean isStrictlyBefore(ZonedDateTime currentTime, ZonedDateTime registrationEnd) {
        return !currentTime.isAfter(registrationEnd);
    }

    @Override
    public CompletableFuture<Void> flush(AccountId accountId) {
        registrations.removeAll(accountId);
        return CompletableFuture.completedFuture(null);
    }
}