本文整理了Java中ch.cyberduck.core.Local.exists()方法的一些代码示例，展示了Local.exists()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Local.exists()方法的具体详情如下：
包路径：ch.cyberduck.core.Local
类名称：Local
方法名：exists

Local.exists介绍

[英]Does not follow symlinks. Can be expensive if called many times due to symlink check.
[中]不遵循符号链接。如果由于符号链接检查而多次调用，可能会很昂贵。

代码示例

代码示例来源：origin: iterate-ch/cyberduck

/**
 * Does not follow symlinks. Can be expensive if called many times due to symlink check.
 *
 * @return True if the path exists on the file system.
 * @see <a href="https://rules.sonarsource.com/java/tag/performance/RSPEC-3725"/>
 */
public boolean exists() {
  return this.exists(LinkOption.NOFOLLOW_LINKS);
}

代码示例来源：origin: iterate-ch/cyberduck

/**
 * SSH specific
 *
 * @return true if public key authentication should be used. This is the case, if a
 * private key file has been specified
 * @see #setIdentity
 */
public boolean isPublicKeyAuthentication() {
  if(null == identity) {
    return false;
  }
  return identity.exists();
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public void truncate(final Long length) {
  this.length = length;
  if(temporary.exists()) {
    try {
      final RandomAccessFile file = random();
      if(length < file.length()) {
        // Truncate current
        file.setLength(length);
      }
    }
    catch(IOException e) {
      log.warn(String.format("Failure truncating file %s to %d", temporary, length));
    }
  }
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
  public boolean accept(final Path file, final Local local, final TransferStatus parent) throws BackgroundException {
    if(local.isFile()) {
      if(local.exists()) {
        if(log.isInfoEnabled()) {
          log.info(String.format("Skip file %s", file));
        }
        return false;
      }
    }
    return super.accept(file, local, parent);
  }
}

代码示例来源：origin: iterate-ch/cyberduck

protected OutputStream getOutputStream(final String path, final boolean append) throws LocalAccessDeniedException {
  try {
    final Set<OpenOption> options = new HashSet<>();
    options.add(StandardOpenOption.WRITE);
    if(!this.exists()) {
      options.add(StandardOpenOption.CREATE);
    }
    if(append) {
      options.add(StandardOpenOption.APPEND);
    }
    else {
      options.add(StandardOpenOption.TRUNCATE_EXISTING);
    }
    final FileChannel channel = FileChannel.open(Paths.get(path), options);
    return Channels.newOutputStream(channel);
  }
  catch(IOException e) {
    throw new LocalAccessDeniedException(e.getMessage(), e);
  }
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public boolean exists(final LinkOption... options) {
  NSURL resolved = null;
  try {
    resolved = this.lock(false);
    if(null == resolved) {
      return super.exists(options);
    }
    return Files.exists(Paths.get(resolved.path()));
  }
  catch(AccessDeniedException e) {
    return super.exists(options);
  }
  finally {
    this.release(resolved);
  }
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
  public void save(final Host bookmark, final Local directory) {
    if(!directory.exists()) {
      return;
    }
    if(log.isInfoEnabled()) {
      log.info(String.format("Save default download folder %s for bookmark %s", directory, bookmark));
    }
    bookmark.setDownloadFolder(directory);
    if(collection.contains(bookmark)) {
      collection.collectionItemChanged(bookmark);
    }
  }
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
  public void save(final Host bookmark, final Local directory) {
    if(!directory.exists()) {
      return;
    }
    if(log.isInfoEnabled()) {
      log.info(String.format("Save default upload folder %s for bookmark %s", directory, bookmark));
    }
    bookmark.setUploadFolder(directory);
    if(collection.contains(bookmark)) {
      collection.collectionItemChanged(bookmark);
    }
  }
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public boolean accept(final Path file, final Local local, final TransferStatus parent) throws BackgroundException {
  if(!local.exists()) {
    // Local file is no more here
    throw new NotfoundException(local.getAbsolute());
  }
  return true;
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
  public boolean validate(final Transfer transfer) {
    if(transfer.getLocal() != null) {
      for(TransferItem l : transfer.getRoots()) {
        if(l.local.exists()) {
          return true;
        }
      }
    }
    return false;
  }
});

代码示例来源：origin: iterate-ch/cyberduck

public List<License> open() throws AccessDeniedException {
  final List<License> keys = new ArrayList<License>();
  if(folder.exists()) {
    for(Local key : folder.list().filter(filter)) {
      keys.add(this.open(key));
    }
  }
  return keys;
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public boolean accept(final Path file, final Local local, final TransferStatus parent) throws BackgroundException {
  final Local volume = local.getVolume();
  if(!volume.exists()) {
    throw new NotfoundException(String.format("Volume %s not mounted", volume.getAbsolute()));
  }
  return true;
}

代码示例来源：origin: iterate-ch/cyberduck

/**
   * Register application in launch services database
   *
   * @param application Bundle identifier
   */
  public boolean register(final Local application) {
    synchronized(NSWorkspace.class) {
      if(!application.exists()) {
        return false;
      }
      return this.register(application.getAbsolute());
    }
  }
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public List<TransferItem> list(final Session<?> session, final Path directory, final Local local,
                final ListProgressListener listener) throws BackgroundException {
  if(log.isDebugEnabled()) {
    log.debug(String.format("Children for %s", directory));
  }
  final Set<TransferItem> children = new HashSet<TransferItem>();
  final Find finder = session.getFeature(Find.class, new DefaultFindFeature(session)).withCache(cache);
  if(finder.find(directory)) {
    children.addAll(download.list(session, directory, local, listener));
  }
  if(local.exists()) {
    children.addAll(upload.list(session, directory, local, listener));
  }
  return new ArrayList<TransferItem>(children);
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public Local find(final Host bookmark) {
  if(null != bookmark.getUploadFolder()) {
    if(bookmark.getUploadFolder().exists()) {
      return bookmark.getUploadFolder();
    }
  }
  final Local directory = LocalFactory.get(preferences.getProperty("local.user.home"));
  if(log.isInfoEnabled()) {
    log.info(String.format("Suggest default upload folder %s for bookmark %s", directory, bookmark));
  }
  return directory;
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public boolean isInstalled(final Application application) {
  if(Application.notfound.equals(application)) {
    return false;
  }
  return LocalFactory.get(application.getIdentifier()).exists();
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
public Local find(final Host bookmark) {
  if(null != bookmark.getDownloadFolder()) {
    if(bookmark.getDownloadFolder().exists()) {
      return bookmark.getDownloadFolder();
    }
  }
  final Local directory = LocalFactory.get(preferences.getProperty("queue.download.folder")).withBookmark(
      preferences.getProperty("queue.download.folder.bookmark"));
  if(log.isInfoEnabled()) {
    log.info(String.format("Suggest default download folder %s for bookmark %s", directory, bookmark));
  }
  return directory;
}

代码示例来源：origin: iterate-ch/cyberduck

@Override
  public boolean validate(final Transfer transfer) {
    if(transfer.getLocal() != null) {
      if(!transfer.isComplete()) {
        return false;
      }
      if(!transfer.isRunning()) {
        for(TransferItem l : transfer.getRoots()) {
          if(l.local.exists()) {
            return true;
          }
        }
      }
    }
    return false;
  }
});

代码示例来源：origin: iterate-ch/cyberduck

/**
 * @param file A valid bookmark dictionary
 * @return Null if the file cannot be deserialized
 * @throws AccessDeniedException If the file is not readable
 */
@Override
public S read(final Local file) throws AccessDeniedException {
  if(!file.exists()) {
    throw new LocalAccessDeniedException(file.getAbsolute());
  }
  if(!file.isFile()) {
    throw new LocalAccessDeniedException(file.getAbsolute());
  }
  final S deserialized = this.read(file.getInputStream());
  if(null == deserialized) {
    throw new AccessDeniedException(String.format("Failure parsing file %s", file.getName()));
  }
  return deserialized;
}

代码示例来源：origin: iterate-ch/cyberduck

/**
 * @param file File
 * @param size Requested size
 * @return Cached icon
 */
@Override
public NSImage fileIcon(final Local file, final Integer size) {
  NSImage icon = null;
  if(file.exists()) {
    icon = this.load(file.getAbsolute(), size);
    if(null == icon) {
      return this.put(file.getAbsolute(),
        this.convert(file.getName(), NSWorkspace.sharedWorkspace().iconForFile(file.getAbsolute()), size), size);
    }
  }
  if(null == icon) {
    return this.iconNamed("notfound.tiff", size);
  }
  return icon;
}