java 如何读取远程主机文件

package com.cloudtech.web.util; 
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader; 
import com.cloudtech.web.entity.Role; 
public class RoleUtil {
 
	public static void readFile(String sourceFilePath, String encode) throws IOException {
		File file = new File(sourceFilePath);
		BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file), encode));
		StringBuilder strBuilder = new StringBuilder();
		String sLine = null;
		while ((sLine = br.readLine()) != null) {
			strBuilder.append(sLine);
			strBuilder.append("\r\n");
		}
 
		br.close();
 
		System.out.println(strBuilder.substring(0));
	}
	
	public static void main(String[] args) {
		 try {
			readFile("\\\\XXXX\\station_process\\V1010000.G1125","utf-8");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

String path="https://ssl.mail.163.com/httpsEnable.gif";
String file_name= contents.substring(contents.lastIndexOf("/")+1, contents.length());//获取文件名和后缀名
URL url=new URL(path);