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 * Licensed to the Apache Software Foundation (ASF) under one   *
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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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 * software distributed under the License is distributed on an  *
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package org.apache.james.imap.encode;

import java.io.IOException;

import org.apache.james.imap.api.ImapConstants;
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.AbstractListingResponse;
import org.apache.james.imap.message.response.LSubResponse;

/**
 * Encoders IMAP4rev1 List responses.
 */
public class LSubResponseEncoder extends AbstractChainedImapEncoder {

    public LSubResponseEncoder(ImapEncoder next) {
        super(next);
    }

    protected void doEncode(final ImapMessage acceptableMessage, final ImapResponseComposer composer, ImapSession session) throws IOException {
        final AbstractListingResponse response = (AbstractListingResponse) acceptableMessage;
        ListingEncodingUtils.encodeListingResponse(ImapConstants.LSUB_RESPONSE_NAME, composer, response);
    }

    protected boolean isAcceptable(ImapMessage message) {
        return (message instanceof LSubResponse);
    }

}