// Copyright 2011-2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.security.zynamics.binnavi.Gui.Debug.RemoteBrowser.FileBrowser;

import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;

/**
 * Simulates remote files when displayed in the file selection dialog.
 */
public final class CRemoteFile extends File {
  /**
   * Used for serialization.
   */
  private static final long serialVersionUID = -1913040405965661147L;

  /**
   * Path to the file on the remote system.
   */
  private final String m_pathname;

  /**
   * Flag that indicates whether the remote file is a directory.
   */
  private final boolean m_isDirectory;

  /**
   * Creates a new remote file object.
   *
   * @param pathname Path to the file on the remote system.
   * @param isDirectory Flag that indicates whether the remote file is a directory.
   */
  public CRemoteFile(final String pathname, final boolean isDirectory) {
    super(pathname);

    m_pathname = pathname;
    m_isDirectory = isDirectory;
  }

  @Override
  public boolean canExecute() {
    throw new IllegalStateException("IE01127: Not yet implemented");
  }

  @Override
  public boolean canRead() // NO_UCD
  {
    throw new IllegalStateException("IE01128: Not yet implemented");
  }

  @Override
  public boolean canWrite() // NO_UCD
  {
    return false; // Disables the option to rename files from the dialog
  }

  @Override
  public boolean exists() {
    return true;
  }

  @Override
  public File getAbsoluteFile() {
    return new CRemoteFile(m_pathname, m_isDirectory);
  }

  @Override
  public String getAbsolutePath() {
    return m_pathname;
  }

  @Override
  public File getCanonicalFile() {
    return new CRemoteFile(m_pathname, m_isDirectory);
  }

  @Override
  public File getParentFile() {
    final String parent = this.getParent();

    if (parent == null) {
      return null;
    }

    return new CRemoteFile(parent, true);
  }

  @Override
  public String getPath() {
    return m_pathname;
  }

  @Override
  public boolean isDirectory() {
    return m_isDirectory;
  }

  @Override
  public long lastModified() // NO_UCD
  {
    return 0;
  }

  @Override
  public long length() {
    return 0;
  }

  @Override
  public File[] listFiles() {
    throw new IllegalStateException("IE01129: Not yet implemented");
  }

  @Override
  public File[] listFiles(final FileFilter filter) {
    throw new IllegalStateException("IE01130: Not yet implemented");
  }

  @Override
  public File[] listFiles(final FilenameFilter filter) {
    throw new IllegalStateException("IE01131: Not yet implemented");
  }

  @Override
  public boolean renameTo(final File dest) // NO_UCD
  {
    return false;
  }
}
