Android Open Source - prim-ftpd Android File System View

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Back to project page prim-ftpd.

License

The source code is released under:

Apache License

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Java Source Code

package org.primftpd.filesystem;
//from w w  w . j a  v a2 s.  c o  m
import java.io.File;

import org.apache.ftpserver.ftplet.FileSystemView;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.FtpFile;
import org.apache.ftpserver.ftplet.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class AndroidFileSystemView implements FileSystemView {

  private static final Logger logger = LoggerFactory.getLogger(AndroidFileSystemView.class);

  private final User user;

  private AndroidFtpFile workingDir;

  public AndroidFileSystemView(User user) {
    this.user = user;
    workingDir = createHomeDirObj(user);
  }

  private AndroidFtpFile createHomeDirObj(User user) {
    return new AndroidFtpFile(new File(user.getHomeDirectory()), user);
  }

  @Override
  public FtpFile getHomeDirectory() throws FtpException {
    logger.debug("getHomeDirectory()");
    return createHomeDirObj(user);
  }

  @Override
  public FtpFile getWorkingDirectory() throws FtpException {
    logger.debug("getWorkingDirectory()");

    return workingDir;
  }

  @Override
  public boolean changeWorkingDirectory(String dir) throws FtpException {
    logger.debug("changeWorkingDirectory({})", dir);

    File dirObj = new File(dir);

    if (dirObj.isFile()) {
      return false;
    }

    String path = dir;
    if (!dirObj.isAbsolute()) {
      path = workingDir.getAbsolutePath() + File.separator + dir;
    }

    workingDir = new AndroidFtpFile(new File(path), user);

    return true;
  }

  @Override
  public FtpFile getFile(String file) throws FtpException {
    logger.debug("getFile({})", file);

    File fileObj = new File(file);
    if (fileObj.isAbsolute()) {
      logger.debug("getFile(), returning abs: '{}'", file);
      return new AndroidFtpFile(fileObj, user);
    }

    // handle relative paths
    file = workingDir.getAbsolutePath() + File.separator + file;

    logger.debug("getFile(), returning rel: '{}'", file);

    return new AndroidFtpFile(new File(file), user);
  }

  @Override
  public boolean isRandomAccessible() throws FtpException {
    logger.debug("isRandomAccessible()");
    return true;
  }

  @Override
  public void dispose() {
    logger.debug("dispose()");
  }

}

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