2.7.18

shikeying

2024-01-11 3b67e947e36133e2a40eb2737b15ea375e157ea0

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
package com.walker.file.ftp;
 
import com.walker.file.AbstractFileOperateEngine;
import com.walker.file.DefaultFileInfo;
import com.walker.file.FileInfo;
import com.walker.file.FileOperateException;
import com.walker.file.FileStoreType;
import com.walker.infrastructure.utils.FileUtils;
import com.walker.infrastructure.utils.StringUtils;
 
import java.io.InputStream;
 
/**
 * 基于FTP文件管理的引擎实现。
 * @author 时克英
 * @date 2023-02-10
 */
public abstract class FtpFileOperateEngine extends AbstractFileOperateEngine {
 
    @Override
    public FileStoreType getFileStoreType(){
        return FileStoreType.Ftp;
    }
 
    @Override
    protected FileInfo acquireFileInfo(String fileName) {
        return new DefaultFileInfo();
    }
 
    @Override
    public void close() {
        super.close();
//        if(this.ftpConnector != null){
//            this.ftpConnector.logout();
//        }
    }
 
    @Override
    protected void executeUpload(InputStream inputStream, FileInfo fileInfo) throws FileOperateException {
        FtpConnector ftpConnector = new FtpConnector(this.ftpConfig);
        try {
            ftpConnector.connect();
        } catch (Exception e) {
            throw new FileOperateException("Ftp无法连接，上传未执行，fileInfo = " + fileInfo.getFileName(), e);
        }
 
//        if(!this.ftpConnector.isConnected()){
//            logger.warn("ftpConnector 当前未连接，尝试重新连接...");
//            try {
//                this.ftpConnector.connect();
//            } catch (Exception e) {
//                throw new FileOperateException("ftpConnector 无法连接，上传失败", e);
//            }
//        }
 
        // 服务端或远程存放目录，由程序自动生成
        String directory = this.generateSaveFolder(true);
 
        StringBuilder url = new StringBuilder(directory);
        url.append(this.getFileName(fileInfo));
        ((DefaultFileInfo)fileInfo).setUrl(url.toString());
 
        logger.debug("上传文件生成目录: " + directory);
        try{
            ftpConnector.upload(directory, fileInfo.getFileName(), inputStream);
        } catch (FtpUploadException ex){
            throw ex;
        } finally {
            if(ftpConnector != null){
                ftpConnector.logout();
            }
        }
    }
 
    @Override
    protected byte[] executeDownload(FileInfo fileInfo) throws FileOperateException{
        if(StringUtils.isEmpty(fileInfo.getUrl())){
            throw new FileOperateException("文件url不存在，fileId=" + fileInfo.getId(), null);
        }
        String url = fileInfo.getUrl();
        String directory = FileUtils.getFilePathWithoutName(url);
 
        FtpConnector ftpConnector = new FtpConnector(this.ftpConfig);
        try {
            ftpConnector.connect();
        } catch (Exception e) {
            throw new FileOperateException("Ftp无法连接，下载失败，fileInfo = " + fileInfo.getFileName(), e);
        }
 
        try{
            return ftpConnector.download(directory, this.getFileName(fileInfo));
        } catch (FtpUploadException ex){
            throw new FileOperateException("ftp下载文件错误:" + ex.getMessage(), ex);
        }
    }
 
    /**
     * 设置ftp信息，并初始化ftp连接器。
     * @param ftpConfig
     * @throws Exception
     */
    public void setFtpConfig(FtpConfig ftpConfig){
        if(ftpConfig == null){
            throw new IllegalArgumentException("FtpConfig 必须设置!");
        }
        this.ftpConfig = ftpConfig;
    }
 
    private FtpConfig ftpConfig = null;
}