org.crsh.cmdline.completers.FileCompleter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of crsh.cmdline

The CRaSH cmdline module

There is a newer version: 1.2.0-cr6

package org.crsh.cmdline.completers;

import java.io.File;
import java.util.Arrays;
import java.util.Collection;

/**
 * A completer for the current file system.
 * 
 *   When the prefix is absolute (it starts with / char) completion will be done from the prefix
 *   When the prefix is relative (it does not start with a / char, the completion is done from the
 *   directory evaluated with the expression new java.io.File(".").getCanonicalPath()
 * 
 *
 * @author Julien Viet
 */
public class FileCompleter extends AbstractPathCompleter {

  @Override
  protected String getCurrentPath() throws Exception {
    return new File(".").getCanonicalPath();
  }

  @Override
  protected File getPath(String path) {
    return new File(path);
  }

  @Override
  protected boolean exists(File path) {
    return path.exists();
  }

  @Override
  protected boolean isDirectory(File path) {
    return path.isDirectory();
  }

  @Override
  protected boolean isFile(File path) {
    return path.isFile();
  }

  @Override
  protected Collection getChilren(File path) {
    File[] files = path.listFiles();
    return files != null ? Arrays.asList(files) : null;
  }

  @Override
  protected String getName(File path) {
    return path.getName();
  }
}