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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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package org.apache.james.imap.processor;

import java.io.Closeable;

import org.apache.james.imap.api.display.HumanReadableText;
import org.apache.james.imap.api.message.response.StatusResponseFactory;
import org.apache.james.imap.api.process.ImapProcessor;
import org.apache.james.imap.api.process.ImapSession;
import org.apache.james.imap.message.request.CloseRequest;
import org.apache.james.mailbox.MailboxManager;
import org.apache.james.mailbox.MailboxSession;
import org.apache.james.mailbox.MessageManager;
import org.apache.james.mailbox.MessageManager.MailboxMetaData.FetchGroup;
import org.apache.james.mailbox.exception.MailboxException;
import org.apache.james.mailbox.model.MessageRange;
import org.apache.james.metrics.api.MetricFactory;
import org.apache.james.util.MDCBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CloseProcessor extends AbstractMailboxProcessor<CloseRequest> {
    private static final Logger LOGGER = LoggerFactory.getLogger(CloseProcessor.class);

    public CloseProcessor(ImapProcessor next, MailboxManager mailboxManager, StatusResponseFactory factory,
            MetricFactory metricFactory) {
        super(CloseRequest.class, next, mailboxManager, factory, metricFactory);
    }

    @Override
    protected void processRequest(CloseRequest request, ImapSession session, Responder responder) {
        try {
            MessageManager mailbox = getSelectedMailbox(session)
                .orElseThrow(() -> new MailboxException("Session not in SELECTED state"));
            final MailboxSession mailboxSession = session.getMailboxSession();
            if (mailbox.getMetaData(false, mailboxSession, FetchGroup.NO_COUNT).isWriteable()) {
                mailbox.expunge(MessageRange.all(), mailboxSession);
                session.deselect();

                // Don't send HIGHESTMODSEQ when close. Like correct in the ERRATA of RFC5162
                //
                // See http://www.rfc-editor.org/errata_search.php?rfc=5162
                okComplete(request, responder);
               
            }

        } catch (MailboxException e) {
            LOGGER.error("Close failed for mailbox {}", session.getSelected().getMailboxId(), e);
            no(request, responder, HumanReadableText.GENERIC_FAILURE_DURING_PROCESSING);
        }
    }

    @Override
    protected Closeable addContextToMDC(CloseRequest request) {
        return MDCBuilder.create()
            .addContext(MDCBuilder.ACTION, "CLOSE")
            .build();
    }
}
