fileimplementer.java

来自「基于文件的下载」· Java 代码 · 共 25 行

import java.io.*;
import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;
public class FileImplementer extends UnicastRemoteObject implements FileInterface{
	private String name;
	public FileImplementer() throws RemoteException{
	super();
	}
	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("FileImplementer:"+e.getMessage());
	return(null);
	}
    }
}