j2me FTP FTP2ME 应用实例

开发环境：

1、模拟器用sun java（TM）wireless Toolkit 2.5 CLDC

2、FTP 用filezilla 开源FTP服务器

 

手机FTP开源项目ftp2me的应用

用的规范是RFC959，下面是主要的调用方法，附件中是工程实例，有空的朋友可以下下来看看

 

package main;

 

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.Enumeration;

 

import javax.microedition.io.Connector;

import javax.microedition.io.file.FileConnection;

 

import ftp.Ftp2Me;

import ftp.FtpProtocolException;

 

public class FtpMethod implements Runnable{

private static String hostip = null;

private static int port;

private static String username = null;

private static String password = null;

Ftp2Me fm = null;

public FtpMethod(String hostip,int port,String username,String password){

this.hostip = hostip;

this.port = port;

this.username = username;

this.password = password;

Thread t = new Thread();

t.run();

}

 

public void run() {

try {

fm = new Ftp2Me(hostip,port,username,password);

makeDirectory("bb");

//getList("bb");

//getNlst("bb");

//upLoad("file:///root1/EditPlus.txt","bb/EditPlus.txt");

//downLoad("file:///root1/EditPlus.txt","bb/EditPlus.txt");

//reName("bb/ff.txt","bb/bb.txt");

//delfile("bb/aa.txt");

//remove("bb");

} catch (IOException e) {

e.printStackTrace();

} catch (FtpProtocolException e){

e.printStackTrace();

}

}

/**

* 删除文件

* @param url

*/

public void delfile(String url){

try {

fm.dele(url);

fm.disconnect();

} catch (IOException e) {

e.printStackTrace();

} catch (FtpProtocolException e) {

e.printStackTrace();

}

}

/**

* 移除（空）文件夹

* @param fileBoxUrl

* @return

*/

public boolean remove(String fileBoxUrl){

try {

fm.rmd(fileBoxUrl);

fm.disconnect();

return true;

} catch (IOException e) {

e.printStackTrace();

return false;

} catch (FtpProtocolException e) {

e.printStackTrace();

return false;

}

}

/**

* 退出

*/

public void quit(){

try {

fm.quit();

} catch (IOException e) {

e.printStackTrace();

} catch (FtpProtocolException e) {

e.printStackTrace();

}

}

 

/**

* 文件及文件夹重命名

* @param srcUrl

* @param newUrl

* @return

*/

public boolean reName(String srcUrl,String newUrl){

try {

fm.rnfr(srcUrl);

fm.rnto(newUrl);

fm.disconnect();

return true;

} catch (IOException e) {

e.printStackTrace();

return false;

} catch (FtpProtocolException e) {

e.printStackTrace();

return false;

}

}

/**

* 创建文件夹

* @param url

* @return

*/

public boolean makeDirectory(String url){

try {

fm.mkd(url);

fm.disconnect();

return true;

} catch (IOException e) {

e.printStackTrace();

return false;

} catch (FtpProtocolException e) {

e.printStackTrace();

return false;

}

}

/**

* 下载单个文件

* @param localurl

* @param ftpurl

* @return

*/

public boolean downLoad(String localurl,String ftpurl){

try {

FileConnection f = (FileConnection) Connector.open(localurl);

if(!f.exists()){

f.create();

}

OutputStream os =  f.openOutputStream();

fm.retr(os,ftpurl);

fm.disconnect();

f.close();

os.close();

return true;

} catch (IOException e) {

e.printStackTrace();

return false;

} catch (FtpProtocolException e) {

e.printStackTrace();

return false;

}

}

 

/**

* 上传单个文件

* @param localurl

* @param ftpurl

* @return

*/

public boolean upLoad(String localurl,String ftpurl){

try {

FileConnection f = (FileConnection) Connector.open(localurl);

InputStream is = f.openInputStream();

fm.appe(is,ftpurl);

fm.disconnect();

f.close();

return true;

} catch (IOException e) {

e.printStackTrace();

return false;

} catch (FtpProtocolException e) {

e.printStackTrace();

return false;

}

}

/**

* 显示文件夹及文件

* @param fileBoxUrl

* @return

*/

public void getNlst(String fileBoxUrl){

try {

fm.cwd(fileBoxUrl);

Enumeration e = fm.list();

if(e != null){

while(e.hasMoreElements()){

Object o = e.nextElement();

String t = (String)o;

System.out.println(t);

}

}

} catch (IOException e) {

e.printStackTrace();

} catch (FtpProtocolException e) {

e.printStackTrace();

}

fm.disconnect();

}

/**

*显示文件

* @param fileBoxUrl

*/

public void getList(String fileBoxUrl){

try {

fm.cwd(fileBoxUrl);

Enumeration e = fm.list();

if(e != null){

while(e.hasMoreElements()){

Object o = e.nextElement();

String t = (String)o;

System.out.println(t);

}

}

} catch (IOException e) {

e.printStackTrace();

} catch (FtpProtocolException e) {

e.printStackTrace();

}

fm.disconnect();

}

}