package com.icfcc.cpk.util.tool;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;

import java.net.SocketException;

import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;

public class FtpTool {
	public static void main(String[] args) {
		try {
			readFtpFile("192.168.96.104",21,"glfrt","glfrt","C1.txt","/home/glfrt/print","/home/tuxedo/tmp/tuxedoFile/filename");
		} catch (SocketException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	private static String  readFtpFile(String ip,int port,String username,String password,String filename,String remotDir,String targetPath) throws SocketException, IOException{
		FTPClient ftpClient = new FTPClient();
		System.out.println("1");
		ftpClient.connect(ip, port);
		System.out.println("2");
		boolean connflag = ftpClient.login(username, password);
		System.out.println("connflag:"+connflag);
		
		ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
		
		System.out.println("3");
		
		FTPFile[] files = ftpClient.listFiles(remotDir);
		for (int i = 0; i < files.length; i++) {
			System.out.println(files[i].getName());
		}
		//File file = new File("/home/tuxedo/tmp/tuxedoFile/filename");
		File file = new File(targetPath+"/"+filename);
		FileOutputStream fos = new FileOutputStream(file);
		ftpClient.retrieveFile(remotDir+"/"+filename, fos);
		fos.close();
		
		StringBuffer buffer = new StringBuffer();
		String line = null;
		BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
		while((line=br.readLine())!=null){
			buffer.append(line);
		}
		return buffer.toString();
	}
}