Examples with SftpATTRS com.jcraft.jsch.SftpATTRS used on opensource projects

Example 6 with SftpATTRS

use of com.jcraft.jsch.SftpATTRS in project hadoop by apache.

the class SFTPFileSystem method getFileStatus.

/**
   * Convert the file information in LsEntry to a {@link FileStatus} object. *
   *
   * @param sftpFile
   * @param parentPath
   * @return file status
   * @throws IOException
   */
private FileStatus getFileStatus(ChannelSftp channel, LsEntry sftpFile, Path parentPath) throws IOException {
    SftpATTRS attr = sftpFile.getAttrs();
    long length = attr.getSize();
    boolean isDir = attr.isDir();
    boolean isLink = attr.isLink();
    if (isLink) {
        String link = parentPath.toUri().getPath() + "/" + sftpFile.getFilename();
        try {
            link = channel.realpath(link);
            Path linkParent = new Path("/", link);
            FileStatus fstat = getFileStatus(channel, linkParent);
            isDir = fstat.isDirectory();
            length = fstat.getLen();
        } catch (Exception e) {
            throw new IOException(e);
        }
    }
    int blockReplication = 1;
    // Using default block size since there is no way in SFTP channel to know of
    // block sizes on server. The assumption could be less than ideal.
    long blockSize = DEFAULT_BLOCK_SIZE;
    // convert to milliseconds
    long modTime = attr.getMTime() * 1000;
    long accessTime = 0;
    FsPermission permission = getPermissions(sftpFile);
    // not be able to get the real user group name, just use the user and group
    // id
    String user = Integer.toString(attr.getUId());
    String group = Integer.toString(attr.getGId());
    Path filePath = new Path(parentPath, sftpFile.getFilename());
    return new FileStatus(length, isDir, blockReplication, blockSize, modTime, accessTime, permission, user, group, filePath.makeQualified(this.getUri(), this.getWorkingDirectory()));
}

Example 7 with SftpATTRS

use of com.jcraft.jsch.SftpATTRS in project GNS by MobilityFirst.

the class SFTPUpload method localFileNewer.

/**
   *
   * @param user
   * @param host
   * @param keyFile
   * @param fileToTransfer
   * @param sftpWorkingDirectory
   * @return true if the local file is newer
   */
public static boolean localFileNewer(String user, String host, File keyFile, String fileToTransfer, String sftpWorkingDirectory) {
    if (verbose) {
        System.out.println("Local File Newer Check " + fileToTransfer + " to " + host + "@" + user + " " + sftpWorkingDirectory);
    }
    try {
        ChannelSftp channelSftp = authenticateSftp(user, host, keyFile);
        Path paths = Paths.get(fileToTransfer);
        String localDir = paths.getParent().toString();
        channelSftp.cd(sftpWorkingDirectory);
        channelSftp.lcd(localDir);
        SftpATTRS remoteAttributes = channelSftp.stat(paths.getFileName().toString());
        long localTime = new File(fileToTransfer).lastModified();
        long remoteTime = remoteAttributes.getMTime() * 1000L;
        if (verbose) {
            System.out.println("L: " + localDir + " R: " + sftpWorkingDirectory + "\n" + "Local time = " + localTime + " Remote time = " + remoteTime);
        }
        if (verbose) {
            System.out.println("Result " + (localTime > remoteTime));
        }
        return localTime > remoteTime;
    } catch (JSchException | SftpException e) {
        System.out.println("Exception while checking for file newer:" + e);
        return false;
    }
}

Example 8 with SftpATTRS

use of com.jcraft.jsch.SftpATTRS in project cdap by caskdata.

the class SFTPFileSystem method getFileStatus.

/**
   * Convert the file information in LsEntry to a {@link FileStatus} object. *
   *
   * @param sftpFile
   * @param parentPath
   * @return file status
   * @throws IOException
   */
private FileStatus getFileStatus(ChannelSftp channel, LsEntry sftpFile, Path parentPath) throws IOException {
    SftpATTRS attr = sftpFile.getAttrs();
    long length = attr.getSize();
    boolean isDir = attr.isDir();
    boolean isLink = attr.isLink();
    if (isLink) {
        String link = parentPath.toUri().getPath() + "/" + sftpFile.getFilename();
        try {
            link = channel.realpath(link);
            Path linkParent = new Path("/", link);
            FileStatus fstat = getFileStatus(channel, linkParent);
            isDir = fstat.isDirectory();
            length = fstat.getLen();
        } catch (Exception e) {
            throw new IOException(e);
        }
    }
    int blockReplication = 1;
    // Using default block size since there is no way in SFTP channel to know of
    // block sizes on server. The assumption could be less than ideal.
    long blockSize = DEFAULT_BLOCK_SIZE;
    // convert to milliseconds
    long modTime = attr.getMTime() * 1000;
    long accessTime = 0;
    FsPermission permission = getPermissions(sftpFile);
    // not be able to get the real user group name, just use the user and group
    // id
    String user = Integer.toString(attr.getUId());
    String group = Integer.toString(attr.getGId());
    Path filePath = new Path(parentPath, sftpFile.getFilename());
    return new FileStatus(length, isDir, blockReplication, blockSize, modTime, accessTime, permission, user, group, filePath.makeQualified(this.getUri(), this.getWorkingDirectory()));
}