FTP获取最新文件！
来源：互联网 发布：绘制平面图软件 编辑：程序博客网 时间：2024/06/05 11:02
for (FTPFile file : ftpUtils1.getClient().directoryList()) { if (!file.isFile()) { continue; } Date dateTemp = file.lastModified(); if (date == null) { date = dateTemp; remoteFileName = file.getName(); } else { if (date.compareTo(dateTemp) < 0) { date = dateTemp; remoteFileName = file.getName(); } }}
ftputils
package ftpTrance;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.io.PrintWriter;import java.util.Calendar;import java.util.Date;import org.apache.commons.net.ftp.FTP;import org.apache.commons.net.ftp.FTPClient;import org.apache.commons.net.ftp.FTPFile;import org.apache.commons.net.ftp.FTPReply;import org.apache.log4j.Logger;import util.FTPUtil;import util.FileCopyUtil;import baseClass.ApplicationConfiguration;import baseClass.EnergydbServiceTemplate;import fdgh.energydb.DataValue;public class FTPUtils extends EnergydbServiceTemplate { private static final Logger log = Logger.getLogger(FileCopyUtil.class); String downloadUrl = ApplicationConfiguration.getConfiguration() .getProperty("downloadUrl"); String downloadUser = ApplicationConfiguration.getConfiguration() .getProperty("downloadUser"); String downloadPassword = ApplicationConfiguration.getConfiguration() .getProperty("downloadPassword"); String downloadPort = ApplicationConfiguration.getConfiguration() .getProperty("downloadPort"); String uploadUrl = ApplicationConfiguration.getConfiguration().getProperty( "uploadUrl"); String uploadUser = ApplicationConfiguration.getConfiguration() .getProperty("uploadUser"); String uploadPassword = ApplicationConfiguration.getConfiguration() .getProperty("uploadPassword"); String uploadPort = ApplicationConfiguration.getConfiguration() .getProperty("uploadPort"); // 枚举类UploadStatus代码 public enum UploadStatus { Create_Directory_Fail, // 远程服务器相应目录创建失�? Create_Directory_Success, // 远程服务器闯将目录成�? Upload_New_File_Success, // 上传新文件成�? Upload_New_File_Failed, // 上传新文件失�? File_Exits, // 文件已经存在 Remote_Bigger_Local, // 远程文件大于本地文件 Upload_From_Break_Success, // 断点续传成功 Upload_From_Break_Failed, // 断点续传失败 Delete_Remote_Faild; // 删除远程文件失败 } // 枚举类DownloadStatus代码 public enum DownloadStatus { Remote_File_Noexist, // 远程文件不存在 Local_Bigger_Remote, // 本地文件大于远程文件 Download_From_Break_Success, // 断点下载文件成功 Download_From_Break_Failed, // 断点下载文件失败 Download_New_Success, // 全新下载文件成功 Download_New_Failed; // 全新下载文件失败 } public FTPClient ftpClient = new FTPClient(); private String ftpURL, username, pwd, ftpport, file1, file2; public FTPUtils(String _ftpURL, String _username, String _pwd, String _ftpport, String _file1, String _file2) { // 设置将过程中使用到的命令输出到控制台 ftpURL = _ftpURL; username = _username; pwd = _pwd; ftpport = _ftpport; file1 = _file1; file2 = _file2; this.ftpClient.addProtocolCommandListener(new PrintCommandListener( new PrintWriter(System.out))); } public FTPUtils(String _ftpURL, String _username, String _pwd, String _ftpport) { // 设置将过程中使用到的命令输出到控制台 ftpURL = _ftpURL; username = _username; pwd = _pwd; ftpport = _ftpport; this.ftpClient.addProtocolCommandListener(new PrintCommandListener( new PrintWriter(System.out))); } /** */ /** * 连接到FTP服务�? * * @param hostname * 主机�? * @param port * 端口 * @param username * 用户�? * @param password * 密码 * @return 是否连接成功 * @throws IOException */ public boolean connect(String hostname, int port, String username, String password) throws Exception { ftpClient.connect(hostname, port); ftpClient.setControlEncoding("GBK"); if (FTPReply.isPositiveCompletion(ftpClient.getReplyCode())) { if (ftpClient.login(username, password)) { return true; } } disconnect(); return false; } /** */ /** * 断开与远程服务器的连接 * * @throws IOException */ public void disconnect() throws Exception { if (ftpClient.isConnected()) { ftpClient.disconnect(); } } public void downLoadNewUrl(FTPUtils downloadFtp, String remote, String local) throws Exception { downloadFtp.download(remote, local); } public void downLoadNewUrl(String hostname, int port, String username, String password, String remote, String local) throws Exception { FTPUtils ftpUtils = new FTPUtils(hostname, username, password, port + ""); ftpUtils.connect(hostname, 21, username, password); download(remote, local); ftpUtils.disconnect(); } /** */ /** * 从FTP服务器上下载文件,支持断点续传，上传百分比汇报 * * @param remote * 远程文件路径 * @param local * 本地文件路径 * @return 上传的状�? * @throws IOException */ public DownloadStatus download(String remote, String local) throws IOException { log.info("------> local file path is :" + local + " remote file path is :" + remote); /* * // 设置被动模式 ftpClient.enterLocalPassiveMode(); // 设置以二进制方式传输 * ftpClient.setFileType(FTP.BINARY_FILE_TYPE); */ DownloadStatus result; // 检查远程文件是否存在 FTPFile[] files = ftpClient.listFiles(new String( remote.getBytes("GBK"), "UTF-8")); if (files.length != 1) { log.info("远程文件" + remote + "不存在"); return DownloadStatus.Remote_File_Noexist; } long lRemoteSize = files[0].getSize(); File f = new File(local); // 本地存在文件，进行断点下载 if (f.exists()) { long localSize = f.length(); // 判断本地文件大小是否大于远程文件大小 if (localSize >= lRemoteSize) { log.info("本地文件大于远程文件，下载中止"); return DownloadStatus.Local_Bigger_Remote; } // 进行断点续传，并记录状态 FileOutputStream out = new FileOutputStream(f, true); ftpClient.setRestartOffset(localSize); InputStream in = ftpClient.retrieveFileStream(new String(remote .getBytes("GBK"), "UTF-8")); byte[] bytes = new byte[1024]; long step = lRemoteSize / 100; long process = localSize / step; int c; while ((c = in.read(bytes)) != -1) { out.write(bytes, 0, c); localSize += c; long nowProcess = localSize / step; if (nowProcess > process) { process = nowProcess; if (process % 10 == 0) log.info("下载进度" + process); } } in.close(); out.close(); boolean isDo = ftpClient.completePendingCommand(); if (isDo) { result = DownloadStatus.Download_From_Break_Success; } else { result = DownloadStatus.Download_From_Break_Failed; } } else { OutputStream out = new FileOutputStream(f); InputStream in = ftpClient.retrieveFileStream(new String(remote .getBytes("GBK"), "UTF-8")); byte[] bytes = new byte[1024]; long step = lRemoteSize / 100; long process = 0; long localSize = 0L; int c; while ((c = in.read(bytes)) != -1) { out.write(bytes, 0, c); localSize += c; long nowProcess = localSize / step; if (nowProcess > process) { process = nowProcess; if (process % 10 == 0) log.info("下载进度" + process); } } in.close(); out.close(); boolean upNewStatus = ftpClient.completePendingCommand(); if (upNewStatus) { result = DownloadStatus.Download_New_Success; } else { result = DownloadStatus.Download_New_Failed; } } return result; } public void uploadNewUrl(FTPUtils uploadFtp, String local, String remote) throws IOException { uploadFtp.upload(local, remote); } public void uploadNewUrl(String hostname, int port, String username, String password, String local, String remote) throws Exception { FTPUtils ftpUtils = new FTPUtils(hostname, username, password, port + ""); ftpUtils.connect(hostname, 21, username, password); log.info("上传文件ftp url :" + hostname + "用户名:" + username + " 密码:" + password + "上传远程ftp路径:" + remote); upload(local, remote); log.info("上传文件成功"); ftpUtils.disconnect(); } /** * 上传文件到FTP服务器，支持断点续传 * * @param local * 本地文件名称，绝对路径 * @param remote * 远程文件路径，使用/home/directory1/subdirectory/file.ext * 按照Linux上的路径指定方式，支持多级目录嵌套，支持递归创建不存在的目录结构 * @return 上传结果 * @throws IOException */ public UploadStatus upload(String local, String remote) throws IOException { log.info("------> local file path is :" + local + " remote file path is :" + remote); /* * // 设置PassiveMode传输 ftpClient.enterLocalPassiveMode(); // 设置以二进制流的方式传输 * ftpClient.setFileType(FTP.BINARY_FILE_TYPE); */ UploadStatus result; // 对远程目录的处理 String remoteFileName = remote; if (remote.contains("/")) { remoteFileName = remote.substring(remote.lastIndexOf("/") + 1); String directory = remote.substring(0, remote.lastIndexOf("/") + 1); if (!directory.equalsIgnoreCase("/") && !ftpClient.changeWorkingDirectory(directory)) { // 如果远程目录不存在，则递归创建远程服务器目录 int start = 0; int end = 0; if (directory.startsWith("/")) { start = 1; } else { start = 0; } end = directory.indexOf("/", start); while (true) { String subDirectory = remote.substring(start, end); if (!ftpClient.changeWorkingDirectory(subDirectory)) { if (ftpClient.makeDirectory(subDirectory)) { ftpClient.changeWorkingDirectory(subDirectory); } else { log.info("创建目录失败"); return UploadStatus.Create_Directory_Fail; } } start = end + 1; end = directory.indexOf("/", start); // 检查所有目录是否创建完毕 if (end <= start) { break; } } } } log.info("远程目录处理动作结束"); // 检查远程是否存在文件 FTPFile[] files = ftpClient.listFiles(remoteFileName); if (files.length == 1) { long remoteSize = files[0].getSize(); File f = new File(local); long localSize = f.length(); if (remoteSize == localSize) { return UploadStatus.File_Exits; } else if (remoteSize > localSize) { return UploadStatus.Remote_Bigger_Local; } // 尝试移动文件内读取指针,实现断点续传 InputStream is = new FileInputStream(f); if (is.skip(remoteSize) == remoteSize) { ftpClient.setRestartOffset(remoteSize); if (ftpClient.storeFile(remote, is)) { return UploadStatus.Upload_From_Break_Success; } } // 如果断点续传没有成功，则删除服务器上文件，重新上传 if (!ftpClient.deleteFile(remoteFileName)) { return UploadStatus.Delete_Remote_Faild; } is = new FileInputStream(f); if (ftpClient.storeFile(remote, is)) { result = UploadStatus.Upload_New_File_Success; } else { result = UploadStatus.Upload_New_File_Failed; } is.close(); } else { InputStream is = new FileInputStream(local); if (ftpClient.storeFile(remoteFileName, is)) { result = UploadStatus.Upload_New_File_Success; } else { result = UploadStatus.Upload_New_File_Failed; } is.close(); } return result; } /** */ /** * 递归创建远程服务器目录 * * @param remote * 远程服务器文件绝对路径 * @param ftpClient * FTPClient 对象 * @return 目录创建是否成功 * @throws IOException */ public UploadStatus CreateDirecroty(String remote, FTPClient ftpClient) throws IOException { UploadStatus status = UploadStatus.Create_Directory_Success; String directory = remote.substring(0, remote.lastIndexOf("/") + 1); if (!directory.equalsIgnoreCase("/") && !ftpClient.changeWorkingDirectory(new String(directory .getBytes("GBK"), "UTF-8"))) { // 如果远程目录不存在，则递归创建远程服务器目录 int start = 0; int end = 0; if (directory.startsWith("/")) { start = 1; } else { start = 0; } end = directory.indexOf("/", start); while (true) { String subDirectory = new String(remote.substring(start, end) .getBytes("GBK"), "UTF-8"); if (!ftpClient.changeWorkingDirectory(subDirectory)) { if (ftpClient.makeDirectory(subDirectory)) { ftpClient.changeWorkingDirectory(subDirectory); } else { log.info("创建目录失败"); return UploadStatus.Create_Directory_Fail; } } start = end + 1; end = directory.indexOf("/", start); // �?查所有目录是否创建完�? if (end <= start) { break; } } } return status; } public String getLastModifyFileNames(String folderName) throws IOException { String resultFileName = ""; // 设置PassiveMode传输 ftpClient.enterLocalPassiveMode(); // 设置以二进制流的方式传输 ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ftpClient.setControlEncoding("GBK"); FTPFile[] files = ftpClient.listFiles(new String(folderName .getBytes("GBK"), "UTF-8")); if (files.length <= 2) { return ""; } Long[] longArr = new Long[files.length - 2]; for (int i = 0; i < files.length; i++) { FTPFile file = files[i]; if (file.getName().endsWith(".txt")) { longArr[i - 2] = file.getTimestamp().getTimeInMillis(); } } Long[] strArr = getMaxLastTime(longArr); long value = (strArr != null && strArr.length > 0) ? strArr[strArr.length - 1] : 0; for (int i = 0; i < files.length; i++) { FTPFile file = files[i]; if (file.getName().endsWith(".txt")) { if (value == file.getTimestamp().getTimeInMillis()) { resultFileName = file.getName() + "," + file.getTimestamp().getTimeInMillis(); } } } return resultFileName; } /** * 扫描该文件夹下的文件，最后更新的文件时间写入FileConfig.properties文件 * * @param folderName * 文件夹 * @throws IOException */ public void wirteFileLastTime(String folderName) throws IOException { // 设置PassiveMode传输 ftpClient.enterLocalPassiveMode(); // 设置以二进制流的方式传输 ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ftpClient.setControlEncoding("GBK"); FTPFile[] files = ftpClient.listFiles(new String(folderName .getBytes("GBK"), "UTF-8")); // ftpClient.setf // String tempLastTimeStr = ""; if (files.length < 3) { ConfigInfo.writeProperties(Const.proFilePath, folderName, ""); return; } Long[] longArr = new Long[files.length - 2]; for (int i = 0; i < files.length; i++) { FTPFile file = files[i]; if (file.getName().endsWith(".txt")) { longArr[i - 2] = file.getTimestamp().getTimeInMillis(); /* * if(tempLastTimeStr.equals("")){ tempLastTimeStr = * file.getTimestamp().getTimeInMillis()+""; }else{ * tempLastTimeStr = tempLastTimeStr * +","+file.getTimestamp().getTimeInMillis(); } */ } } Long[] strArr = getMaxLastTime(longArr); String value = (strArr != null && strArr.length > 0) ? strArr[strArr.length - 1] + "" : ""; ConfigInfo.writeProperties(Const.proFilePath, folderName, value); } // 冒泡比较 public Long[] getMaxLastTime(Long[] longArr) { for (int i = 0; i < longArr.length; i++) { for (int j = 0; j < longArr.length - i - 1; j++) { Long temp = 0l; if (longArr[j] > longArr[j + 1]) { temp = longArr[j]; longArr[j] = longArr[j + 1]; longArr[j + 1] = temp; } } } return longArr; } /** * 检查是否有新文件，如果有则执行下载上传操作 * * @param folderName * @param time * @throws IOException */ public void doNewFile(String folderName, long lastTime, FTPUtils downloadFtp, FTPUtils uploadFtp, DataValue dv) throws Exception { FTPFile[] files = ftpClient.listFiles(new String(folderName .getBytes("GBK"), "UTF-8")); for (int i = 0; i < files.length; i++) { FTPFile file = files[i]; if (file.getName().endsWith(".txt")) { if (file.getTimestamp().getTimeInMillis() >= lastTime) { log.info("开始执行下载动作"); downloadFtp.download(folderName + "//" + file.getName(), formatFileName(file.getTimestamp(), folderName, Const.formatDownLoadFileNameFlag)); log.info("执行下载动作完成"); if (dv != null && dv.getString("modifyFilename").equals( file.getName())) { continue; } log.info("开始执行上传动作"); uploadFtp.upload(formatFileName(file.getTimestamp(), folderName, Const.formatDownLoadFileNameFlag), formatFileName(file.getTimestamp(), folderName, Const.formatUploadFileNameFlag)); log.info("执行上传动作完成"); } } } log.info("扫描文件并执行下载上传动作完毕"); } public void doNewFTPFiles(String folderName, long lastTime, FTPUtils downloadFtp, FTPUtil uploadFtp, DataValue dv) throws Exception { FTPFile[] files = ftpClient.listFiles(new String(folderName .getBytes("GBK"), "UTF-8")); for (int i = 0; i < files.length; i++) { FTPFile file = files[i]; if (file.getName().endsWith(".txt")) { if (file.getTimestamp().getTimeInMillis() >= lastTime) { log.info("开始执行下载动作"); downloadFtp.download(folderName + "//" + file.getName(), formatFileName(file.getTimestamp(), folderName, Const.formatDownLoadFileNameFlag)); log.info("执行下载动作完成"); if (dv != null && dv.getString("modifyFilename").equals( file.getName())) { continue; } log.info("开始执行上传动作"); uploadFtp .ftpUpload(formatFileName(file.getTimestamp(), folderName, Const.formatDownLoadFileNameFlag), "\\"); // uploadFtp.upload(formatFileName(file.getTimestamp(), // folderName, // Const.formatDownLoadFileNameFlag), // formatFileName(file.getTimestamp(), folderName, // Const.formatUploadFileNameFlag)); log.info("执行上传动作完成"); } } } } /** * 检查文件夹下是否有新文件 * * @param folderName * @throws IOException */ public void checkNewFile(String folderName) throws Exception { // 设置PassiveMode传输 ftpClient.enterLocalPassiveMode(); // 设置以二进制流的方式传输 ftpClient.setFileType(FTP.BINARY_FILE_TYPE); ftpClient.setControlEncoding("GBK"); FTPFile[] files = ftpClient.listFiles(new String(folderName .getBytes("GBK"), "UTF-8")); for (int i = 0; i < files.length; i++) { FTPFile file = files[i]; if (file.getName().endsWith(".txt")) { String folderNameValue = ConfigInfo.readValue( Const.proFilePath, folderName); long lastTime = Long.parseLong(folderNameValue); if (file.getTimestamp().getTimeInMillis() > lastTime) { download(folderName + "//" + file.getName(), formatFileName(file.getTimestamp(), folderName, Const.formatDownLoadFileNameFlag)); uploadNewUrl(downloadUrl, 21, downloadUser, downloadPassword, formatFileName(file .getTimestamp(), folderName, Const.formatUploadFileNameFlag), formatFileName(file.getTimestamp(), folderName, Const.formatUploadFileNameFlag)); /* * upload(formatFileName(file.getTimestamp(), folderName, * Const.formarDownLoadFileNameFlag), * formatFileName(file.getTimestamp(), folderName, * Const.formarDownLoadFileNameFlag)); */ } } } } /** * 重新命名本地文件 * * @param cal * 远程文件日期 * @param folderName * 文件夹名称 * @param flag * 判断表示，用于生成下载和上传的文件名 * @return */ public String formatFileName(Calendar cal, String folderName, String flag) { String result = ""; Calendar calendar = DateUtils.formatDateToCalendar(cal.getTime()); int year = calendar.get(Calendar.YEAR) - 2000; int month = calendar.get(Calendar.MONTH) + 1; int day = calendar.get(Calendar.DAY_OF_MONTH); Date nowDate = new Date(); Calendar nowCalendar = DateUtils.formatDateToCalendar(nowDate); int nowYear = nowCalendar.get(Calendar.YEAR); int nowMonth = nowCalendar.get(Calendar.MONTH) + 1; int nowDay = nowCalendar.get(Calendar.DAY_OF_MONTH); String todayFolder = DateUtils.formatNum(nowYear) + "" + DateUtils.formatNum(nowMonth) + "" + DateUtils.formatNum(nowDay); checkLocalDiskFolder(Const.diskPath + "\\" + todayFolder); if (flag.equals(Const.formatUploadFileNameFlag)) { return Const.inlandAir + folderName + Const.fileSSIM + DateUtils.formatNum(year) + DateUtils.formatNum(month) + DateUtils.formatNum(day); } // +" ------------>"+month+"---->>"+day); result = Const.diskPath + "\\" + todayFolder + "\\" + Const.inlandAir + folderName + Const.fileSSIM + DateUtils.formatNum(year) + DateUtils.formatNum(month) + DateUtils.formatNum(day); return result; } /** * 检查本地磁盘上是否存在该文件夹,不存在则新建 * * @param folderPath * 文件夹路径 */ public void checkLocalDiskFolder(String folderPath) { File file = new File(folderPath); if (!file.exists()) { file.mkdirs(); } } public void uploadSSIMFile() { } public void run() { try { this.connect(ftpURL, new java.lang.Integer(ftpport), username, pwd); FTPFile[] ftpFiles = ftpClient.listFiles("\\AZ"); for (int i = 0; i < ftpFiles.length; i++) { } // this.download(file1, file2); this.upload(file2, file1); this.disconnect(); } catch (Exception e) { } } public static void main(String[] args) { // FTPUtils ftpUtils = new FTPUtils("202.106.139.26", "mussimin", // "fb2Sw3yC", // "21", "test.txt", "E:\\FTPFile\\b.txt"); FTPUtils ftpUtils1 = new FTPUtils("172.20.34.171", "test", "test", "21"); try { ftpUtils1.connect("172.20.34.171", 21, "test", "test"); ftpUtils1.download("//MUAZSSIM111215", "E:\\123"); ftpUtils1.disconnect(); } catch (Exception e) { e.printStackTrace(); } // ftpUtils.run(); }}
0 0
- FTP获取最新文件！
- C# 获取最新文件
- ftp获取文件
- ftp获取文件
- 批处理从FTP下载 最新文件
- 获取最新可用hosts文件
- 如何获取 ftp 文件列表
- 使用shell获取ftp文件
- ftp 文件获取和下载
- FtpClient 获取ftp文件列表
- FTP文件操作之获取文件列表
- FTP GetFile读取的文件不是最新的解决方法备注
- 获取文件夹下最新更改的文件
- C# 获取最新文件的方法[总结]
- 获取文件夹下最新修改的文件
- FTP文件上传以及获取ftp配置帮助类
- FTP传送与获取文件收集
- 获取ftp文件列表的perl程序
- 得到bootstrap选择的字段
- openwrt相关需求调研
- 简单博客
- 【Java集合系列】---总体框架
- 鼠标划入一块区域高度增长弹出，划出时高度减小消失；
- FTP获取最新文件！
- ejb中sessionbean的见解
- UML用例图总结
- Java中Vector、ArraryList和LinkedList的区别
- access判断表是否存在
- 区块链和智能投顾结合的思考
- STM32使用官方库串口输出乱码
- h264编解码器知识点
- WSL(Windows Subsystem for Linux， Bash On Windows)使用笔记
