mailboxexception.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,   *
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 * implied.  See the License for the specific language governing       *
 * permissions and limitations under the License.                      *
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package org.apache.james.imapserver;

/**
 * Thrown on an inappropriate attempt to reference a mailbox.
 * Includes attempting to create a mailbox that already exists and attempting
 * to open a mailbox that does not exist.
 * If status is ALREADY_EXISTS_REMOTELY or IF_CREATED_REMOTE then field
 * remoteServer should be set to the url of the remote server, formatted for
 * Mailbox Referral.
 *
 * @version 0.1 on 14 Dec 2000
 */
public class MailboxException extends Exception {

    public final static String ALREADY_EXISTS_LOCALLY
        = "Already exists locally";
    public final static String ALREADY_EXISTS_REMOTELY
        = "Already exists remotely";
    public final static String IF_CREATED_LOCAL
        = "If created, mailbox would be local";
    public final static String IF_CREATED_REMOTE
        = "If created, mailbox would be remote";
    public final static String NOT_LOCAL
        = "Does not exist locally, no further information available";
    public final static String LOCAL_BUT_DELETED
        = "Was local but has been deleted.";

    protected String status = null; 
    protected String remoteServer = null;

    /**
     * Construct a new <code>MailboxException</code> instance.
     *
     * @param message The detail message for this exception (mandatory).
     */
    public MailboxException(String message) {
        super(message);
    }

    /**
     * Construct a new <code>MailBoxException</code> instance.
     *
     * @param message The detail message for this exception (mandatory).
     * @param aStatus String constant indicating condition
     */
    public MailboxException(String message, String aStatus) {
        super(message);
        this.status = aStatus;
    }

    /**
     * Construct a new <code>MailBoxException</code> instance.
     *
     * @param message The detail message for this exception (mandatory).
     * @param aStatus String constant indicating condition
     * @param sServer String indicating another server where Mailbox should be.
     */
    public MailboxException(String message, String aStatus, String aServer) {
        super(message);
        this.status = aStatus;
        this.remoteServer = aServer;
    }

    public String getStatus() {
        return status;
    }

    public String getRemoteServer() {
        return remoteServer;
    }

    public boolean isRemote() {
        return ( status.equals(ALREADY_EXISTS_REMOTELY)
                 || status.equals(IF_CREATED_REMOTE) ) ;
    }
}