Question

我一直在使用sshj库

<dependency>
    <groupId>net.schmizz</groupId>
    <artifactId>sshj</artifactId>
    <version>0.3.1</version>
</dependency>

以下是我的代码使用0.3.1，它可以很好地上传支持通配符模式的文件。

SSHClient client = null;
SCPUploadClient uploader = null;
try {
    client = getClient();
    uploader = client.newSCPFileTransfer().newSCPUploadClient();
    uploader.setFileFilter(new WildcardFileFilter(wildCardPattern));

    //determine the remote directory
    File f = new File(localDirLocation);
    String dir = remoteDirLocation + f.getName();
    uploader.copy(localDirLocation, remoteDirLocation);
} catch (IOException e) {
      //processing exceptions here
} finally {
    disconnectClient(client);
}

但是现在代码在我尝试移动到0.5.0时给了我很多编译错误。

我想了解当我想从本地到远程机器上传和下载文件时如何设置fileFilters，反之亦然

有人可以帮帮我吗？

Answer 1

目前使用0.5.0已不再可行。我为SSHJ的Shikhar（维护者）创建了一个pull request。

下面我调整了您的代码示例，使其与0.5.0一起使用。基本的变化是您现在需要为copy方法提供LocalSourceFile。为了使SCPUploadClient只能发送目录的过滤内容，我已经覆盖了getChildren（LocalFileFilter）方法。

SSHClient client = null;
SCPUploadClient uploader = null;
try {
    client = getClient();
    uploader = client.newSCPFileTransfer().newSCPUploadClient();
    File f = new File(localDirLocation);
    FilteredFileSystemDirectory filteredDir = new FilteredFileSystemDirectory(f, new WildcardFileFilter());
    String dir = remoteDirLocation + f.getName();
    uploader.copy(filteredDir, remoteDirLocation);
} catch (IOException e) {
    //processing exceptions here
} finally {
    disconnectClient(client);
}

public class FilteredFileSystemDirectory extends FileSystemFile {
    private final LocalFileFilter filter;

    public FilteredFileSystemDirectory(File f, LocalFileFilter filter) {
        super(f);
        this.filter = filter;
    }

    @Override
    public Iterable<? extends LocalSourceFile> getChildren(LocalFileFilter filter)
        throws IOException {
        return super.getChildren(filter);
    }

}

对于WildcardFileFilter，请参阅我的第二个答案，了解如何在0.6.0中执行此操作。

希望这有帮助。

Answer 2

使用0.6.0，您可以按如下方式编写代码：

SSHClient client = null;
SCPUploadClient uploader = null;
try {
    client = getClient();
    uploader = client.newSCPFileTransfer().newSCPUploadClient();
    uploader.setUploadFilter(new WildcardFileFilter(wildCardPattern));

    //determine the remote directory
    File f = new File(localDirLocation);
    String dir = remoteDirLocation + f.getName();
    uploader.copy(new FileSystemFile(localDirLocation), remoteDirLocation);
} catch (IOException e) {
    //processing exceptions here
} finally {
    disconnectClient(client);
}

你使用的WildcardFileFilter来自公地 - 我想。因为这是一个FilenameFilter而不是LocalFileFilter，你可以非常简单地实现它：

public WildcardFileFilter implements LocalFileFilter {
    private String wildcardPattern;

    public WildcardFileFilter(String wildcardPattern) {
        this.wildcardPattern = wildcardPattern;
    }

    @Override
    public boolean accept(LocalSourceFile file) {
        return FilenameUtils.wildcardMatchOnSystem(file.getName(), wildcardPattern);
    }
}

在sshj v0.5.0中上传和下载文件时设置文件过滤器

2 个答案: