org.apache.james.transport.mailets.remoteDelivery.AddressesArrayToMailAddressListConverter.java Source code

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package org.apache.james.transport.mailets.remoteDelivery;

import java.util.Arrays;
import java.util.List;

import javax.mail.Address;
import javax.mail.internet.AddressException;

import org.apache.mailet.MailAddress;
import org.slf4j.Logger;

import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableList;

public class AddressesArrayToMailAddressListConverter {

    public static List<MailAddress> getAddressesAsMailAddress(Address[] addresses, final Logger logger) {
        if (addresses == null) {
            return ImmutableList.of();
        }
        return FluentIterable.from(Arrays.asList(addresses))
                .transform(new Function<Address, Optional<MailAddress>>() {
                    @Override
                    public Optional<MailAddress> apply(Address input) {
                        try {
                            return Optional.of(new MailAddress(input.toString()));
                        } catch (AddressException e) {
                            logger.debug("Can't parse unsent address: {}", e.getMessage());
                            return Optional.absent();
                        }
                    }
                }).filter(new Predicate<Optional<MailAddress>>() {
                    @Override
                    public boolean apply(Optional<MailAddress> input) {
                        return input.isPresent();
                    }
                }).transform(new Function<Optional<MailAddress>, MailAddress>() {
                    @Override
                    public MailAddress apply(Optional<MailAddress> input) {
                        return input.get();
                    }
                }).toList();
    }

}