server/src/main/java/org/apache/hupa/server/service/DeleteMessageByUidServiceImpl.java

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package org.apache.hupa.server.service;

import java.util.ArrayList;
import java.util.List;

import javax.mail.Message;
import javax.mail.MessagingException;

import org.apache.hupa.shared.domain.DeleteMessageAction;
import org.apache.hupa.shared.domain.DeleteMessageByUidAction;
import org.apache.hupa.shared.domain.ImapFolder;
import org.apache.hupa.shared.domain.User;
import org.apache.hupa.shared.exception.HupaException;

import com.sun.mail.imap.IMAPStore;

public class DeleteMessageByUidServiceImpl extends DeleteMessageBaseServiceImpl implements DeleteMessageByUidService{

    @Override
    protected Message[] getMessagesToDelete(DeleteMessageAction actionBase) throws HupaException {
        DeleteMessageByUidAction action = (DeleteMessageByUidAction)actionBase;
        ImapFolder folder = action.getFolder();
        List<Long> uids = action.getMessageUids();
        User user = getUser();

        logger.info("Deleting messages with uids " + action.getMessageUids()
                + " for user " + user + " in folder " + action.getFolder());
        try {
            IMAPStore store = cache.get(user);
            com.sun.mail.imap.IMAPFolder f = (com.sun.mail.imap.IMAPFolder) store
                    .getFolder(folder.getFullName());
            // check if the folder is open, if not open it "rw"
            if (f.isOpen() == false) {
                f.open(com.sun.mail.imap.IMAPFolder.READ_WRITE);
            }
            // build up the list of messages to delete
            List<Message> messages = new ArrayList<Message>();
            for (Long uid : uids) {
                messages.add(f.getMessageByUID(uid));
            }
            Message[] mArray = messages.toArray(new Message[messages.size()]);
            return mArray;
        } catch (MessagingException e) {
            logger.error("Error while deleting messages with uids "
                    + action.getMessageUids() + " for user " + user
                    + " in folder" + action.getFolder(), e);
            throw new HupaException("Error while deleting messages", e);
        }

    }

}