使用FTPClient构造自己的FTP类

来源：互联网发布：数据库物理设计阶段编辑：程序博客网时间：2024/05/29 04:09
所有操作需要放在子线程
public class FTPManager {    private static final String VIDEO_UPLOAD_SEG_CACHE_FOLDER_PATH = Environment.getExternalStorageDirectory()            + "/Cache/seg";    public static final int UPLOAD_SUCCEED = 0;    public static final int UPLOAD_FAILED = 1;    public static final int DOWNLOAD_SUCCEED = 2;    public static final int DOWNLOAD_FAILED = 3;    private FTPClient ftpClient;    private String ftpServerIp;    private int ftpServerPort;     //default is 21    private String ftpUserName;    private String ftpPassword;    public FTPManager() {        ftpClient = new FTPClient();        ftpServerIp = "109.201.57.102";        ftpServerPort = 21;        ftpUserName = "ftp";        ftpPassword = "123456";    }    public FTPManager(String ip, int port, String username, String password) {        ftpClient = new FTPClient();        ftpServerIp = ip;        ftpServerPort = port;        ftpUserName = username;        ftpPassword = password;    }    private boolean uploadFile(String remotePath, String remoteFileName, File file) {        boolean succeed = false;        try {            if (ftpClient.makeDirectory(remotePath)) {                ErrRpt.debug("ftp", "ftp 路径创建成功 " + remotePath);            } else {                ErrRpt.debug("ftp", "ftp 路径创建失败,可能已存在 " + remotePath);            }            if (ftpClient.changeWorkingDirectory(remotePath)) {                ErrRpt.debug("ftp", "ftp 路径切换成功 " + remotePath);            } else {                ErrRpt.debug("ftp", "ftp 路径切换失败 " + remotePath);            }            FileInputStream fileInputStream = new FileInputStream(file);            BufferedInputStream bufferedInputStream = new BufferedInputStream(fileInputStream);            succeed = ftpClient.storeFile(remoteFileName, bufferedInputStream);            bufferedInputStream.close();            fileInputStream.close();        } catch (FileNotFoundException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return succeed;    }    private void downloadFile(String serverPath) {        openConnection();        try {            FTPFile[] remoteFiles = ftpClient.listFiles();            File localFile = new File("0", "0.d");            FileOutputStream fileOutputStream = new FileOutputStream(localFile, true);            BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream);            ftpClient.setRestartOffset(5000);            InputStream inputStream = ftpClient.retrieveFileStream(serverPath);            byte[] bytes = new byte[1024];            int length = 0;            while ((length = inputStream.read(bytes)) != -1) {                bufferedOutputStream.write(bytes, 0, bytes.length);            }            bufferedOutputStream.flush();            bufferedOutputStream.close();            fileOutputStream.close();            inputStream.close();        } catch (IOException e) {            e.printStackTrace();        }        closeConnection();    }    private void openConnection() {        try {            ftpClient.setControlEncoding("UTF-8");            ftpClient.connect(ftpServerIp, ftpServerPort);            int reply = ftpClient.getReplyCode();            if (FTPReply.isPositiveCompletion(reply)) {                ErrRpt.debug("ftp", "ftp 连接成功");            } else {                ErrRpt.debug("ftp", "ftp 连接失败");                //断开连接                ftpClient.disconnect();                return;            }            ftpClient.login(ftpUserName, ftpPassword);            reply = ftpClient.getReplyCode();            if (!FTPReply.isPositiveCompletion(reply)) {                ErrRpt.debug("ftp", "ftp 登陆失败");                //断开连接                ftpClient.disconnect();                return;            } else {                ErrRpt.debug("ftp", "ftp 登陆成功");                // 获取登录信息                FTPClientConfig ftpClientConfig = new FTPClientConfig(ftpClient.getSystemName().split(" ")[0]);                ftpClientConfig.setServerLanguageCode("zh");                ftpClient.configure(ftpClientConfig);                // 使用被动模式设为默认                ftpClient.enterLocalPassiveMode();                // 二进制文件支持                ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);                ftpClient.setFileTransferMode(FTP.STREAM_TRANSFER_MODE);            }        } catch (IOException e) {            e.printStackTrace();        }    }    private void closeConnection() {        if (ftpClient != null) {            try {                ftpClient.logout();                ftpClient.disconnect();            } catch (IOException e) {                e.printStackTrace();            }        }    }    /**     * 通过可变长数组传入多个文件或单个文件     */    public class UploadFiles extends AsyncTask<File, Void, Boolean> {        String remotePath, remoteFileName;        ArrayList<String> all_file_names;        Handler handler;        boolean needSegFile = true;        public UploadFiles(String remotePath, Handler handler) {            this.remotePath = remotePath;            this.handler = handler;        }        @Override        protected Boolean doInBackground(File... params) {            openConnection();            boolean succeed = false;            all_file_names = new ArrayList<>();            for (File file : params) {                remoteFileName = constructRemoteFileName(file);                succeed = uploadFile(remotePath, remoteFileName, file);                all_file_names.add(remoteFileName);            }            return succeed;        }        @Override        protected void onPostExecute(Boolean succeed) {            if (succeed) {                handler.sendEmptyMessage(UPLOAD_SUCCEED);                //视频上传成功后，上传seg文件                //将在SendSeqFile里面上传后closeConnection                if (needSegFile) {                    needSegFile = false;                    new Thread(new SendSegFile(all_file_names)).start();                } else {                    closeConnection();                }            } else {                handler.sendEmptyMessage(UPLOAD_FAILED);                closeConnection();            }        }    }    /**     * uid_日期_时间.mp4,     * 日期格式为：yyyy-mm-dd, 日期格式为：hh:mm:ss, 为24小时格式     * old name: 2016-11-2_15:43:23.mp4     * new name: 65555_2016-11-2_15:43:23.mp4     * @param file     * @return     */    private String constructRemoteFileName(File file) {        String oldName = file.getName();        if (!oldName.contains("_")) {            return "filename_not_correct.mp4";        }        String year_month_day = oldName.split("_")[0];        String hour_minute_second = oldName.split("_")[1];      //15-43-23.mp4        int uid = User.getUid();        String newName = String.format("uid_%d_%s_%s", uid, year_month_day, hour_minute_second);        ErrRpt.debug("ftp", "upload new remote filename: " + newName);        return newName;    }    /**     * 在子线程中发送file list的文件     *  seg_corp_uid_日期_时间.txt     *  日期格式为：yyyy-mm-dd, 日期格式为：hh:mm:ss, 为24小时格式     *     *  remotePath: 视频文件list路径： /home/用户名/video/logs/日期     */    private class SendSegFile implements Runnable {        private ArrayList<String> contents;        public SendSegFile(ArrayList<String> contents) {            if (contents == null) {                this.contents = new ArrayList<>();            } else {                this.contents = contents;            }        }        @Override        public void run() {            int uid = User.getUid();            Date now = new Date();            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd_HH:mm:ss");            String nowTime = simpleDateFormat.format(now);            String fileName = String.format("seg_%d_%s.txt", uid, nowTime);            File dir = new File(VIDEO_UPLOAD_SEG_CACHE_FOLDER_PATH);            if (!dir.exists()) {                dir.mkdirs();            }            File file = new File(dir, fileName);            if (!file.exists()) {                try {                    file.createNewFile();                } catch (IOException e) {                    e.printStackTrace();                }            }            String content = "";            for (String s : contents) {                content += (s + "\n");            }            try {                FileOutputStream fos = new FileOutputStream(file);                PrintWriter pw = new PrintWriter(fos);                pw.write(content);                pw.flush();                pw.close();                fos.close();            } catch (FileNotFoundException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            }            String remotePath = "/home/" + ftpUserName + "/video/logs/" + nowTime.split("_")[0];            boolean succeed = uploadFile(remotePath, fileName, file);            if (succeed) {                ErrRpt.debug("ftp", "upload seg file succeed. : " + fileName);            } else {                ErrRpt.debug("ftp", "upload seg file failed. : " + fileName);            }            closeConnection();        }    }    //public class DownloadSingleFile extends AsyncTask}
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