concurrentloginrequest.java

来自「JAVA FTP 上传下载 的源文件」· Java 代码 · 共 113 行

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * 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.ftpserver.usermanager.impl;

import org.apache.ftpserver.ftplet.AuthorizationRequest;

/**
 * <strong>Internal class, do not use directly.</strong>
 * 
 * Class representing a request to log in a number of concurrent times
 *
 * @author The Apache MINA Project ([e-mail])
 * @version $Rev$, $Date$
 */
public class ConcurrentLoginRequest implements AuthorizationRequest {

    private int concurrentLogins;

    private int concurrentLoginsFromThisIP;

    private int maxConcurrentLogins = 0;

    private int maxConcurrentLoginsPerIP = 0;

    /**
     * @param concurrentLogins
     * @param concurrentLoginsFromThisIP
     */
    public ConcurrentLoginRequest(int concurrentLogins,
            int concurrentLoginsFromThisIP) {
        super();
        this.concurrentLogins = concurrentLogins;
        this.concurrentLoginsFromThisIP = concurrentLoginsFromThisIP;
    }

    /**
     * The number of concurrent logins requested
     * 
     * @return the concurrentLogins The number of current concurrent logins
     */
    public int getConcurrentLogins() {
        return concurrentLogins;
    }

    /**
     * The number of concurrent logins from this IP requested
     * 
     * @return the concurrentLoginsFromThisIP The number of current concurrent
     *         logins from this IP
     */
    public int getConcurrentLoginsFromThisIP() {
        return concurrentLoginsFromThisIP;
    }

    /**
     * The maximum allowed concurrent logins for this user, or 0 if no limit is
     * set. This is normally populated by {@link ConcurrentLoginPermission}
     * 
     * @return The maximum allowed concurrent logins
     */
    public int getMaxConcurrentLogins() {
        return maxConcurrentLogins;
    }

    /**
     * Set the maximum allowed concurrent logins for this user
     * 
     * @param maxConcurrentLogins
     *            Set max allowed concurrent connections
     */
    void setMaxConcurrentLogins(int maxConcurrentLogins) {
        this.maxConcurrentLogins = maxConcurrentLogins;
    }

    /**
     * The maximum allowed concurrent logins per IP for this user, or 0 if no
     * limit is set. This is normally populated by
     * {@link ConcurrentLoginPermission}
     * 
     * @return The maximum allowed concurrent logins per IP
     */
    public int getMaxConcurrentLoginsPerIP() {
        return maxConcurrentLoginsPerIP;
    }

    /**
     * Set the maximum allowed concurrent logins per IP for this user
     * 
     * @param maxConcurrentLoginsPerIP
     *            Set max allowed concurrent connections per IP
     */
    void setMaxConcurrentLoginsPerIP(int maxConcurrentLoginsPerIP) {
        this.maxConcurrentLoginsPerIP = maxConcurrentLoginsPerIP;
    }
}