fileimpl.java

rmi中间件的实例 里面的东西是经过验证的 十分实用

import java.io.*; 


import java.rmi.*; 


import java.rmi.server.UnicastRemoteObject; 



public class FileImpl extends UnicastRemoteObject 


implements FileInterface { 



private String name; 



public FileImpl(String s) throws RemoteException{ 


super(); 


name = s; 


} 



public byte[] downloadFile(String fileName){ 


try { 


File file = new File(fileName); 


byte buffer[] = new byte[(int)file.length()]; 


BufferedInputStream input = new 


BufferedInputStream(new FileInputStream(fileName)); 


input.read(buffer,0,buffer.length); 


input.close(); 


return(buffer); 


} catch(Exception e){ 


System.out.println("FileImpl: "+e.getMessage()); 


e.printStackTrace(); 


return(null); 


} 


} 


}