unsubscribecommand.java

java 开发的邮件服务器平台。支持以下协议。 协议可以修改为自己的专门标识

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 * Copyright (c) 2000-2004 The Apache Software Foundation.             *
 * All rights reserved.                                                *
 * ------------------------------------------------------------------- *
 * Licensed under the Apache License, Version 2.0 (the "License"); you *
 * may not use this file except in compliance with the License. You    *
 * may obtain a copy of the License at:                                *
 *                                                                     *
 *     http://www.apache.org/licenses/LICENSE-2.0                      *
 *                                                                     *
 * Unless required by applicable law or agreed to in writing, software *
 * distributed under the License is distributed on an "AS IS" BASIS,   *
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or     *
 * implied.  See the License for the specific language governing       *
 * permissions and limitations under the License.                      *
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package org.apache.james.imapserver.commands;

import org.apache.james.imapserver.AccessControlException;
import org.apache.james.imapserver.ImapRequest;
import org.apache.james.imapserver.ImapSession;
import org.apache.james.imapserver.ImapSessionState;
import org.apache.james.imapserver.MailboxException;

import java.util.StringTokenizer;
import java.util.List;

class UnsubscribeCommand extends AuthenticatedSelectedStateCommand
{
    public UnsubscribeCommand()
    {
        this.commandName = "UNSUBSCRIBE";

        this.getArgs().add( new AstringArgument( "mailbox" ) );
    }

    protected boolean doProcess( ImapRequest request, ImapSession session, List argValues )
    {
        String command = this.getCommand();

        String folder = (String) argValues.get( 0 );

        try {
            if ( session.getImapHost().unsubscribe( session.getCurrentUser(), folder ) ) {
                session.okResponse( command );
            }
            else {
                session.noResponse( command );
            }
        }
        catch ( MailboxException mbe ) {
            if ( mbe.isRemote() ) {
                session.noResponse( command, "[REFERRAL "
                                           + mbe.getRemoteServer() + "]"
                                           + SP + "Wrong server. Try remote." );
            }
            else {
                session.noResponse( command, "No such mailbox" );
            }
            return true;
        }
        catch ( AccessControlException ace ) {
            session.noResponse( command, "No such mailbox" );
            session.logACE( ace );
            return true;
        }
        if ( session.getState() == ImapSessionState.SELECTED ) {
            session.checkSize();
            session.checkExpunge();
        }
        return true;
    }
}