SFTPFileSystem.java

package hudson.plugins.sshslaves;

import com.trilead.ssh2.SFTPv3DirectoryEntry;
import hudson.tools.JDKInstaller.FileSystem;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

/**
 * {@link FileSystem} implementation over SFTP.
 *
 * @author Kohsuke Kawaguchi
 */
class SFTPFileSystem implements FileSystem {
    private final SFTPClient sftp;

    public SFTPFileSystem(SFTPClient sftp) {
        this.sftp = sftp;
    }

    public void delete(String file) throws IOException, InterruptedException {
        sftp.rm(file);
    }

    public void chmod(String file, int mode) throws IOException, InterruptedException {
        sftp.chmod(file,mode);
    }

    public InputStream read(String file) throws IOException {
        return new BufferedInputStream(sftp.read(file));
    }

    public List<String> listSubDirectories(String dir) throws IOException, InterruptedException {
        List<String> r = new ArrayList<String>();
        for (SFTPv3DirectoryEntry e : (List<SFTPv3DirectoryEntry>)sftp.ls(dir))
            r.add(e.filename);
        return r;
    }

    public void pullUp(String from, String to) throws IOException, InterruptedException {
        for (SFTPv3DirectoryEntry e : (List<SFTPv3DirectoryEntry>)sftp.ls(from)) {
            if (e.filename.equals(".") || e.filename.equals(".."))  continue;
            sftp.mv(from+'/'+e.filename,to+'/'+e.filename);
        }
        sftp.rmdir(from);
    }
}