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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
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package org.apache.james.imap.encode;

import java.io.IOException;

import org.apache.james.imap.api.ImapMessage;
import org.apache.james.imap.api.process.ImapSession;
import org.apache.james.imap.encode.base.AbstractChainedImapEncoder;
import org.apache.james.imap.message.response.ExpungeResponse;

public class ExpungeResponseEncoder extends AbstractChainedImapEncoder {
    public static final String EXPUNGE = "EXPUNGE";

    public ExpungeResponseEncoder(final ImapEncoder next) {
        super(next);
    }

    public boolean isAcceptable(ImapMessage message) {
        return (message instanceof ExpungeResponse);
    }

    protected void doEncode(ImapMessage acceptableMessage, ImapResponseComposer composer, ImapSession session) throws IOException {
        final ExpungeResponse expungeResponse = (ExpungeResponse) acceptableMessage;
        final int messageSequenceNumber = expungeResponse.getMessageSequenceNumber();
        composer.untagged().message(messageSequenceNumber).message(EXPUNGE).end();
    }
}