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Apache Ftp Server与spring框架融合

 
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最近在写一个项目,需要用到FTP服务,就从网上搜了一下,发现Apache Ftp Server相对来说使用方便,性能稳定,效率高,且该服务器是开源免费的,而且该服务器与spring容器可以无缝的融合到一起,下面是我写的一个例子,供有需要的参考。

第一步:下载jar包,拷贝到项目的lib目录下,jar包请参照附件

第二步:添加配置文件ftpserver.xml,具体内容如下:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:beans="http://www.springframework.org/schema/beans"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
	http://mina.apache.org/ftpserver/spring/v1 http://mina.apache.org/ftpserver/ftpserver-1.0.xsd">
	
	<!-- FTP服务器启动参数配置 -->
	<server xmlns="http://mina.apache.org/ftpserver/spring/v1"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xsi:schemaLocation="http://mina.apache.org/ftpserver/spring/v1 http://mina.apache.org/ftpserver/ftpserver-1.0.xsd"
		id="ftpServer" 
		max-logins="500" 
		anon-enabled="false" 
		max-anon-logins="0"
		max-login-failures="3" 
		login-failure-delay="500">
		<listeners>
			<nio-listener name="default" port="2121" idle-timeout="60">
				<ssl>  
	            	<keystore file="ftpserver.jks" password="password" />
	            </ssl>
			</nio-listener>
		</listeners>
		<!-- <file-user-manager file="users.properties" /> -->
		<db-user-manager>
			<data-source>
				<beans:bean class="com.mchange.v2.c3p0.ComboPooledDataSource">
					<beans:property name="driverClass" value="${jdbc.driverClassName}" />
					<beans:property name="jdbcUrl" value="${jdbc.url}" />
					<beans:property name="user" value="${jdbc.username}" />
					<beans:property name="password" value="${jdbc.password}" />
				</beans:bean>
			</data-source>
			<insert-user>
				INSERT INTO FtpUser 
					(userid, userpassword, homedirectory, enableflag, writepermission, idletime, uploadrate, downloadrate) 
				VALUES 
					('{userid}', '{userpassword}', '{homedirectory}', true, true, {idletime}, {uploadrate}, {downloadrate})
			</insert-user>
			<update-user>
				UPDATE FtpUser SET
					userpassword='{userpassword}',
					homedirectory='{homedirectory}',
					enableflag={enableflag},
					writepermission={writepermission},
					idletime={idletime},
					uploadrate={uploadrate},
					downloadrate={downloadrate}
				WHERE 
					userid='{userid}'
			</update-user>
			<delete-user>DELETE FROM FtpUser WHERE userid = '{userid}'</delete-user>
			<select-user>
				SELECT 
					userid, userpassword, homedirectory,
					enableflag, writepermission, idletime, uploadrate, downloadrate,
					maxloginnumber, maxloginperip 
				FROM 
					FtpUser 
				WHERE 
					userid = '{userid}'
			</select-user>
			<select-all-users>SELECT userid FROM FtpUser ORDER BY userid</select-all-users>
			<is-admin>
				SELECT userid FROM FtpUser WHERE userid='{userid}' AND userid='admin'
			</is-admin>
			<authenticate>SELECT userpassword from FtpUser WHERE userid='{userid}'</authenticate>
		</db-user-manager>
	</server>
</beans>

        注:FTP用户的管理方式我使用的是数据库的方式

        data-source里面的beans:property值都是从jdbc.properties中获取的,资源值是通过spring获取的

<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath:jdbc.properties</value>
			</list>
		</property>
	</bean>

 jdbc.properties内容请参照附件

把该文件导入到spring配置文件中,代码如下:

<!-- 导入FTP SERVER配置 -->
<import resource="classpath:/ftpserver.xml"/>

 

 第三步:拷贝ftpserver.jks文件到src目录,该文件在apache-ftpserver-1.0.6\res目录下

 

 第四步:建立FTP服务监听类FtpServerListener,代码如下:

package com.blingtel.ftp;

import java.io.File;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ftpserver.ftplet.UserManager;
import org.apache.ftpserver.impl.DefaultFtpServer;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.blingtel.util.Global;

/**
 * <FTP SERVER操作类>
 * <功能详细描述>
 * @author  wenkaixuan
 * @version  [版本号, 2014-3-31]
 * @see  [相关类/方法]
 * @since  [产品/模块版本]
 */
public class FtpServerListener implements ServletContextListener
{
    /**
     * 日志对象
     */
    private Log logger = LogFactory.getLog(FtpServerListener.class);
    
    /**
     * {@inheritDoc}
     */
    public void contextDestroyed(ServletContextEvent sce)
    {
        logger.error("Stopping FtpServer");
        DefaultFtpServer server = (DefaultFtpServer)sce.getServletContext().getAttribute("FTPSERVER_CONTEXT_NAME");
        if (server != null)
        {
            server.stop();
            sce.getServletContext().removeAttribute("FTPSERVER_CONTEXT_NAME");
            logger.error("FtpServer stopped");
        }
        else
        {
            logger.error("No running FtpServer found");
        }
    }
    
    /**
     * {@inheritDoc}
     */
    public void contextInitialized(ServletContextEvent sce)
    {
        logger.error("Starting FtpServer");
        WebApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(sce.getServletContext());
        DefaultFtpServer server = (DefaultFtpServer)ctx.getBean("ftpServer");
        sce.getServletContext().setAttribute("FTPSERVER_CONTEXT_NAME", server);
        try
        {
            // 获取操作系统
            String osName = System.getProperty("os.name");
            
            // 如果是windows系統
            if (osName.toLowerCase().indexOf("windows") > -1)
            {
                // 设置FTP路径
                Global.ftpPath = "C:\\ftpServer";
            }
            else
            {
                // 设置FTP路径
                Global.ftpPath = "/home/ftpServer";
            }
            
            // 判断该路径是否存在,如果不存在则创建
            File file = new File(Global.ftpPath);
            if (!file.exists())
            {
                file.mkdirs();
            }
            
            // 更新FTP服务器用户信息
            // 首先获取到FTP用户管理对象
            UserManager userManage = server.getUserManager();
            
            // 删除原有的用户信息
            userManage.delete(Global.ftpUserName);
            
            // 构造新的用户并保存到数据库
            BaseUser base = new BaseUser();
            base.setName(Global.ftpUserName);
            base.setPassword(Global.ftpPassword);
            base.setHomeDirectory(Global.ftpPath);
            userManage.save(base);
            
            // 启动FTP服务
            server.start();
            logger.error("FtpServer started");
        }
        catch (Exception e)
        {
            logger.error("Failed to start FtpServer");
            logger.error(Global.LOG_EXCEPTION_NAME, e);
        }
    }
}

 在web.xml中配置该监听器,代码如下:

<!-- Spring 容器启动监听器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
		<listener-class>com.blingtel.ftp.FtpServerListener</listener-class>
	</listener>

 

 第五步:建立FTP用户实体类,用于实现用户的增删查,该实体类必须要实现User接口,代码如下:

package com.blingtel.ftp;

import java.util.List;

import org.apache.ftpserver.ftplet.Authority;
import org.apache.ftpserver.ftplet.AuthorizationRequest;
import org.apache.ftpserver.ftplet.User;

/**
 * <一句话功能简述>
 * <功能详细描述>
 * @author  wenkaixuan
 * @version  [版本号, 2014-3-31]
 * @see  [相关类/方法]
 * @since  [产品/模块版本]
 */
public class BaseUser implements User
{
    private String name;
    
    private String password;
    
    private String homeDirectory;
    
    public void setName(String name)
    {
        this.name = name;
    }
    
    public void setPassword(String password)
    {
        this.password = password;
    }
    
    public void setHomeDirectory(String homeDirectory)
    {
        this.homeDirectory = homeDirectory;
    }
    
    public AuthorizationRequest authorize(AuthorizationRequest arg0)
    {
        return null;
    }
    
    public List<Authority> getAuthorities()
    {
        return null;
    }
    
    public List<Authority> getAuthorities(Class<? extends Authority> arg0)
    {
        return null;
    }
    
    public boolean getEnabled()
    {
        return true;
    }
    
    public String getHomeDirectory()
    {
        return homeDirectory;
    }
    
    public int getMaxIdleTime()
    {
        return 0;
    }
    
    public String getName()
    {
        return name;
    }
    
    public String getPassword()
    {
        return password;
    }
    
    /**
     * @return 返回 writepermission
     */
    public boolean getWritePermission()
    {
        return true;
    }
}

 

 通过以上代码就可以实现FTP服务跟随项目的的启动而启动,停止而停止,并且在FTP服务启动时可以添加一个名称是Global.ftpUserName的用户到数据库

 

另外,FTP用户表结构如下:

#FTP用户信息表
create table FtpUser
(
   userid varchar(64) not null primary key,
   userpassword varchar(64),
   homedirectory varchar(128) not null,
   enableflag boolean default true,
   writepermission boolean default false,
   idletime int default 0,
   uploadrate int default 0,
   downloadrate int default 0,
   maxloginnumber int default 0,
   maxloginperip int default 0
);

 

 

 

 

 

 

 

 

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