FTPS取数协议

最新推荐文章于 2025-07-11 12:10:34 发布
原创最新推荐文章于 2025-07-11 12:10:34 发布 · 340 阅读
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import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.SocketException;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPReply;
import org.apache.commons.net.ftp.FTPSClient;
import org.springframework.stereotype.Component;

import lombok.extern.slf4j.Slf4j;

@Slf4j
@Component
public class FtpsUtil {

private FTPSClient ftpClient = new FTPSClient();

 private FileOutputStream fos = null;

 boolean ckmcaCheck = false;

 boolean custChck = false;

 boolean connCheck = false;

 String odsPath = null;

 /**
 * 连接
 */
 public boolean connect(String host, int port, String username, String password) {
try {
log.info("开始连接...");
 log.info("[username]" + username + "[host]" + host + "[port]" + port + "[password]" + password);
 // 连接

 this.ftpClient.connect(host, port);
 int reply = this.ftpClient.getReplyCode();
 if (!FTPReply.isPositiveCompletion(reply)) {
log.info("连接失败，请检查用户名和密码");
 this.ftpClient.disconnect();
 return false;
 }
// 登录
 log.info("开始登录！");
 this.ftpClient.login(username, password);
 this.ftpClient.setBufferSize(1024 * 30);
 this.ftpClient.setDataTimeout(600000);
 this.ftpClient.setControlKeepAliveReplyTimeout(12000);
 this.ftpClient.setControlKeepAliveTimeout(1200);
 this.ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
 this.ftpClient.execPROT("P");
 this.ftpClient.execPBSZ(0);
 this.ftpClient.enterLocalPassiveMode(); // 设置被动模式去传输
 this.ftpClient.setUseEPSVwithIPv4(true);
 this.ftpClient.setControlEncoding("utf8");
 log.info("登录成功！");
 return true;
 } catch (SocketException e) {
log.info("连接失败！" + e);
 return false;
 } catch (Exception e) {
log.info("下载失败！" + e);
 return false;
 }
}

/**
 * 获取当前日期的前一天 yyyyMMdd
 */
 public static String dayBefore() {
SimpleDateFormat dft = new SimpleDateFormat("yyyMMdd");
 Date now = new Date();
 Calendar date = Calendar.getInstance();
 date.setTime(now);
 date.set(Calendar.DATE, date.get(Calendar.DATE) - 1);
 String daybefor = "";
 try {
daybefor = dft.format(date.getTime());
 } catch (Exception e) {
e.printStackTrace();
 }
return daybefor;
 }

private boolean downFileOrDirNoClose(String ftpFileName, String localDir,String todayDate) {
boolean flag = false;
 String ckmcaCheckPath = "q1_"+todayDate+"_end";
 String custCheckPath = "2q_"+todayDate+"_end";
 String connCheckPath = "q3_"+todayDate+"_end";
 try {
// 目标文件
 File temp = new File(localDir);
 if (!temp.exists()) {
temp.mkdirs();
 }
ftpClient.enterLocalPassiveMode();
 log.info("读取路径:"+ftpFileName);
 String[] names = ftpClient.listNames();
 log.info("读取路径下文件数量:"+names.length);
 for (int i = 0; i < names.length; i++) {
String fileName = names[i];
 if (todayDate.equals(fileName) || fileName.contains("q1") || fileName.contains("q2") || fileName.contains("q3")) {
if (isDir(fileName)) {
downFileOrDirNoClose(ftpFileName + File.separator + fileName, localDir + File.separator + fileName,todayDate);
 ftpClient.changeToParentDirectory();
 } else {
if (ckmcaCheckPath.equals(fileName)){
ckmcaCheck = true;
 }else if (connCheckPath.equals(fileName)){
connCheck = true;
 }else if (custCheckPath.equals(fileName)){
custChck = true;
 }
}
}
}
if (odsPath.equals(ftpFileName)){
if (ckmcaCheck){
String fileName = "q1"+todayDate+".txt";
 File localfile = new File(localDir+ File.separator + fileName);
 if (!localfile.exists()) {
fos = new FileOutputStream(localfile);
 ftpClient.retrieveFile(fileName, fos);
 } else {
// 文件已存在，先进行删除
 log.debug("开始删除已存在文件:{}",localfile);
 fos = new FileOutputStream(localfile);
 ftpClient.retrieveFile(ftpFileName, fos);
 }
log.info("下载文件名称为:{},文件存在地址为:{}", fileName, localfile);
 ckmcaCheck = false;
 }else{
log.info("不存在:"+ckmcaCheckPath);
 }
if (connCheck){
String fileName = "q2"+todayDate+".txt";
 File localfile = new File(localDir+ File.separator + fileName);
 if (!localfile.exists()) {
fos = new FileOutputStream(localfile);
 ftpClient.retrieveFile(fileName, fos);
 } else {
// 文件已存在，先进行删除
 log.debug("开始删除已存在文件:"+localDir);
 fos = new FileOutputStream(localfile);
 ftpClient.retrieveFile(ftpFileName, fos);
 }
log.info("下载文件名称为:{},文件存在地址为:{}", fileName, localfile);
 connCheck = false;
 }else{
log.info("不存在:"+connCheckPath);
 }
if (custChck){
String fileName = "q3"+todayDate+".txt";
 File localfile = new File(localDir+ File.separator + fileName);
 if (!localfile.exists()) {
fos = new FileOutputStream(localfile);
 ftpClient.retrieveFile(fileName, fos);
 } else {
log.debug("开始删除已存在文件"+localDir);
 fos = new FileOutputStream(localfile);
 ftpClient.retrieveFile(ftpFileName, fos);
 }
log.info("下载文件名称为:{},文件存在地址为:{}", fileName, localfile);
 custChck = false;
 }else{
log.info("不存在:"+custCheckPath);
 }
}
flag = true;

 } catch (SocketException e) {
log.info("连接失败！" + e);
 } catch (Exception e) {
log.info("下载失败！" + e);
 }
return flag;
 }

/**
 * 手动关闭连接
 */
 public void closeFtpClient() {
try {
ftpClient.logout();
 } catch (IOException e) {
log.info("ftpClient.logout()执行失败" + e);
 }
close(fos);
 }

/**
 * 关闭连接及输出流
 *
 * @param fos
 */
 private void close(FileOutputStream fos) {
try {

if (fos != null) {
fos.close();
 }
log.info("退出登录");
 if (this.ftpClient != null) {
try {
ftpClient.disconnect();
 ftpClient = null;
 } catch (IOException ioe) {
log.info("ftpClient.disconnect()执行失败", ioe);
 }

}
log.info("关闭连接");
 } catch (IOException e) {
log.info("关闭连接失败" + e);
 }
}

public boolean downloadFile(String ftpFileName, String localDir,String todayDate, String host, int port, String username, String password) {
boolean loginFlag = connect(host, port, username, password);
 boolean flag = false;
 if (loginFlag) {
odsPath = ftpFileName+File.separator+todayDate;
 flag = downFileOrDirNoClose(ftpFileName, localDir,todayDate);
 odsPath = null;
 }
return flag;
 }

/**
 * 判断是否是目录
 *
 * @param fileName
 * @return
 */
 public boolean isDir(String fileName) {
boolean flag = false;
 try {
// 切换目录，若当前是目录则返回true,否则返回false。
 flag = ftpClient.changeWorkingDirectory(fileName);
 } catch (Exception e) {
log.info("判断目录失败" + e);
 }
return flag;
 }

/**
 * @param strRemotePath 上传目录
 * @param strLocalPath 上传文件在达飞的地址
 * @param remoteFileName 上传后的命名
 * @return
 */
 public boolean uploadFile(String strRemotePath, String strLocalPath, String remoteFileName, String host, int port, String username, String password) {
if (!this.ftpClient.isConnected()) {
connect(host, port, username, password);
 }

boolean flag = false;
 if (this.ftpClient.isConnected()) {
File file = new File(strLocalPath);
 InputStream input = null;
 try {
input = new FileInputStream(file);
 if (!ftpClient.changeWorkingDirectory(strRemotePath)) {
// 如果目录不存在创建目录
 String[] dirs = strRemotePath.split("/");
 String tempPath = "";
 for (String dir : dirs) {
if (null == dir || "".equals(dir)) {
continue;
 }
tempPath += "/" + dir;
 if (!ftpClient.changeWorkingDirectory(tempPath)) {
if (!ftpClient.makeDirectory(tempPath)) {
log.info("创建远程目录失败");
 } else {
ftpClient.changeWorkingDirectory(tempPath);
 }
}
}
}
flag = this.ftpClient.storeFile(remoteFileName, input);
 } catch (Exception e) {
log.info("文件上传失败");
 } finally {
if (input != null) {
try {
input.close();
 ftpClient.disconnect();
 } catch (IOException e) {
e.printStackTrace();
 }
}
}
}
return flag;
 }

/**
 * 下载
 *
 * @param strUrlPath
 * @param strLocalPath
 * @param strFolderPath
 * @return
 */
 public boolean downloadFile(String strUrlPath, String strLocalPath, String strFolderPath) {
boolean result = true;
 GetMethod httpGet = new GetMethod(strUrlPath);
 if (!"".equals(strFolderPath)) {
File folder = new File(strFolderPath);
 if (!folder.exists()) {
System.out.println(folder.mkdirs());
 }
}

InputStream in = null;
 FileOutputStream out = null;
 try {
HttpClient httpClient = new HttpClient();
 httpClient.executeMethod(httpGet);
 in = httpGet.getResponseBodyAsStream();
 out = new FileOutputStream(new File(strLocalPath));
 byte[] b = new byte[1024];
 int len = 0;
 while ((len = in.read(b)) != -1) {
out.write(b, 0, len);
 }
in.close();
 out.close();
 } catch (Exception e) {
log.info("httpClient下载文件失败" + e);
 result = false;
 } finally {
httpGet.releaseConnection();
 try {
if (in != null) {
in.close();
 }
if (out != null) {
out.close();
 }
} catch (Exception e1) {
log.info("文件流信息关闭失败" + e1);
 result = false;
 }

}
log.info("####下载文件成功:" + strUrlPath);
 return result;
 }

}
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