uidcommand.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

/***********************************************************************
 * 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.                      *
 ***********************************************************************/

package org.apache.james.imapserver.commands;

import org.apache.james.imapserver.ImapRequestLineReader;
import org.apache.james.imapserver.ImapResponse;
import org.apache.james.imapserver.ImapSession;
import org.apache.james.imapserver.ProtocolException;
import org.apache.james.imapserver.store.MailboxException;

/**
 * Handles processeing for the UID imap command.
 *
 *
 * @version $Revision: 1.1.2.3 $
 */
class UidCommand extends SelectedStateCommand
{
    public static final String NAME = "UID";
    public static final String ARGS = "<fetch-command>|<store-command>|<copy-command>|<search-command>";

    private ImapCommandFactory commandFactory;

    /** @see CommandTemplate#doProcess */
    protected void doProcess( ImapRequestLineReader request,
                              ImapResponse response,
                              ImapSession session )
            throws ProtocolException, MailboxException
    {
        String commandName = parser.atom( request );
        ImapCommand command = commandFactory.getCommand( commandName );
        if ( command == null ||
             ! (command instanceof UidEnabledCommand ) ) {
            throw new ProtocolException("Invalid UID command: '" + commandName + "'" );
        }

        ((UidEnabledCommand)command).doProcess( request, response, session, true );
    }

    /** @see ImapCommand#getName */
    public String getName()
    {
        return NAME;
    }

    /** @see CommandTemplate#getArgSyntax */
    public String getArgSyntax()
    {
        return ARGS;
    }

    public void setCommandFactory( ImapCommandFactory imapCommandFactory )
    {
        this.commandFactory = imapCommandFactory;
    }
}