server/mailet/mailets/src/main/java/org/apache/james/transport/mailets/Sieve.java

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package org.apache.james.transport.mailets;

import javax.inject.Inject;
import javax.mail.MessagingException;

import org.apache.james.core.MailAddress;
import org.apache.james.mailbox.model.MailboxConstants;
import org.apache.james.sieverepository.api.SieveRepository;
import org.apache.james.transport.mailets.jsieve.ResourceLocator;
import org.apache.james.transport.mailets.jsieve.delivery.SieveExecutor;
import org.apache.james.transport.mailets.jsieve.delivery.SievePoster;
import org.apache.james.user.api.UsersRepository;
import org.apache.mailet.Mail;
import org.apache.mailet.base.GenericMailet;

/**
 * Execute Sieve scripts for incoming emails, and set the result of the execution as attributes of the mail
 */
public class Sieve extends GenericMailet {

    private final UsersRepository usersRepository;
    private final ResourceLocator resourceLocator;
    private SieveExecutor sieveExecutor;

    @Inject
    public Sieve(UsersRepository usersRepository, SieveRepository sieveRepository) {
        this(usersRepository, new ResourceLocator(sieveRepository, usersRepository));
    }

    public Sieve(UsersRepository usersRepository, ResourceLocator resourceLocator) {
        this.usersRepository = usersRepository;
        this.resourceLocator = resourceLocator;
    }

    @Override
    public String getMailetInfo() {
        return "Sieve Mailet";
    }

    @Override
    public void init() throws MessagingException {
        sieveExecutor = SieveExecutor.builder()
            .resourceLocator(resourceLocator)
            .mailetContext(getMailetContext())
            .sievePoster(new SievePoster(usersRepository, MailboxConstants.INBOX))
            .build();
    }

    @Override
    public void service(Mail mail) throws MessagingException {
        for (MailAddress recipient: mail.getRecipients()) {
            sieveExecutor.execute(recipient, mail);
        }
    }
}