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package org.apache.james.imap.decode.parser;

import org.apache.james.imap.api.ImapCommand;
import org.apache.james.imap.api.ImapConstants;
import org.apache.james.imap.api.ImapMessage;
import org.apache.james.imap.api.message.IdRange;
import org.apache.james.imap.api.process.ImapSession;
import org.apache.james.imap.decode.ImapRequestLineReader;
import org.apache.james.imap.message.request.ExpungeRequest;
import org.apache.james.protocols.imap.DecodingException;

/**
 * Parse EXPUNGE commands
 */
public class ExpungeCommandParser extends AbstractUidCommandParser {

    public ExpungeCommandParser() {
        super(ImapCommand.selectedStateCommand(ImapConstants.EXPUNGE_COMMAND_NAME));
    }

    /**
     * @see
     * org.apache.james.imap.decode.parser.AbstractUidCommandParser#decode(org.apache.james.imap.api.ImapCommand,
     * org.apache.james.imap.decode.ImapRequestLineReader, java.lang.String,
     * boolean, org.apache.james.imap.api.process.ImapSession)
     */
    protected ImapMessage decode(ImapCommand command, ImapRequestLineReader request, String tag, boolean useUids, ImapSession session) throws DecodingException {
        IdRange[] uidSet = null;
        if (useUids) {
            uidSet = request.parseIdRange(session);
        }
        request.eol();

        final ImapMessage result = new ExpungeRequest(command, tag, uidSet);
        return result;
    }

}