使用Java通过FTP将所有目录复制到服务器 [英] Copy all directories to server by FTP using Java

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问题描述

我需要将目录从本地磁盘复制到服务器。
该目录包含许多目录,子目录和文件。 (想象一下目录的层次树)。



以下是复制一个文件的示例:

  public void saveFilesToServer()throws IOException {
FTPClient ftp = new FTPClient();
ftp.connect(ftp.foobar.com);
if(!FTPReply.isPositiveCompletion(ftp.getReplyCode())){
ftp.disconnect();
log.fatal(FTP未断开连接);
}

ftp.login(foo,qwerty);
log.info(连接到服务器。);
log.info(ftp.getReplyString());
ftp.changeWorkingDirectory(test);
ftp.makeDirectory(somedir);
ftp.changeWorkingDirectory(somedir);
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
java.io.File srcFolder = new java.io.File(folderPath);
FileInputStream fis = new FileInputStream(srcFolder);
ftp.storeFile(fileName,fis);
ftp.disconnect();
log.info(FTP已断开连接);

$ / code>

现在,我需要复制一个目录( somedir ),所有的子目录和文件都是 somedir

我认为算法应该使用递归。
是否有人知道如何?

解决方案

以下是该问题的递归解决方案的示例:

  public void saveFilesToServer(String remoteDest,File localSrc)throws IOException {
FTPClient ftp = new FTPClient();
ftp.connect(ftp.foobar.com);
if(!FTPReply.isPositiveCompletion(ftp.getReplyCode())){
ftp.disconnect();
log.fatal(FTP未断开连接);
}

ftp.login(foo,qwerty);
log.info(连接到服务器。);
log.info(ftp.getReplyString());

ftp.changeWorkingDirectory(remoteDest);
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);

尝试{
upload(localSrc,ftp);
}
finally {
ftp.disconnect();
log.info(FTP已断开连接);


$ b公共无效上传(File src,FTPClient ftp)抛出IOException {
if(src.isDirectory()){
ftp。 makeDirectory(src.getName());
ftp.changeWorkingDirectory(src.getName());
(文件file:src.listFiles()){
upload(file,ftp);
}
ftp.changeToParentDirectory();
}
else {
InputStream srcStream = null;
尝试{
srcStream = src.toURI()。toURL()。openStream();
ftp.storeFile(src.getName(),srcStream);
}
finally {
IOUtils.closeQuietly(srcStream);
}
}
}

IOUtils Apache Commons IO 的一部分。


I need to copy a directory from the local disk to a server. The directory contains a lot of directories, subdirectories, and files. (Think of a hierarchy tree of directories).

Here is an example to copy one file:

 public void saveFilesToServer() throws IOException {
    FTPClient ftp = new FTPClient();
    ftp.connect(ftp.foobar.com);
    if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
        ftp.disconnect();
        log.fatal("FTP not disconnected");
    }

    ftp.login("foo", "qwerty");
    log.info("Connected to server .");
    log.info(ftp.getReplyString());
    ftp.changeWorkingDirectory("test");
    ftp.makeDirectory("somedir");
    ftp.changeWorkingDirectory("somedir");
    ftp.setFileType(FTPClient.BINARY_FILE_TYPE);    
    java.io.File srcFolder = new java.io.File(folderPath);      
    FileInputStream fis = new FileInputStream(srcFolder);
    ftp.storeFile (fileName, fis);
    ftp.disconnect();
    log.info("FTP disconnected");
}

Now, I need to copy a directory (somedir) with all the subdirectories and files of somedir.

I think the algorithm should use recursion. Does someone know how?

解决方案

The following is an example of a recursive solution to the problem:

public void saveFilesToServer(String remoteDest, File localSrc) throws IOException {
    FTPClient ftp = new FTPClient();
    ftp.connect("ftp.foobar.com");
    if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
        ftp.disconnect();
        log.fatal("FTP not disconnected");
    }

    ftp.login("foo", "qwerty");
    log.info("Connected to server .");
    log.info(ftp.getReplyString());

    ftp.changeWorkingDirectory(remoteDest);
    ftp.setFileType(FTPClient.BINARY_FILE_TYPE);

    try {
        upload(localSrc, ftp);
    }
    finally {
        ftp.disconnect();
        log.info("FTP disconnected");           
    }
}

public void upload(File src, FTPClient ftp) throws IOException {
    if (src.isDirectory()) {
        ftp.makeDirectory(src.getName());
        ftp.changeWorkingDirectory(src.getName());
        for (File file : src.listFiles()) {
            upload(file, ftp);
        }
        ftp.changeToParentDirectory();
    }
    else {
        InputStream srcStream = null;
        try {
            srcStream = src.toURI().toURL().openStream();
            ftp.storeFile(src.getName(), srcStream);
        }
        finally {
            IOUtils.closeQuietly(srcStream);
        }
    }
}

IOUtils is a part of Apache Commons IO.

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