content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.cli.fs.command;
  
  import alluxio.annotation.PublicApi;
  import alluxio.client.file.FileSystemContext;
  import alluxio.exception.AlluxioException;
  import alluxio.exception.status.InvalidArgumentException;
  
  import org.apache.commons.cli.CommandLine;
  import org.apache.commons.cli.Options;
  
  import java.io.File;
  import java.io.IOException;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Copies a file or a directory from the Alluxio filesystem to the local filesystem.
   */
  @ThreadSafe
  @PublicApi
  public final class CopyToLocalCommand extends AbstractFileSystemCommand {
  
    private final CpCommand mCpCommand;
  
    /**
     * @param fsContext the filesystem of Alluxio
     */
    public CopyToLocalCommand(FileSystemContext fsContext) {
      super(fsContext);
      mCpCommand = new CpCommand(fsContext);
    }
  
    @Override
    public String getCommandName() {
      return "copyToLocal";
    }
  
    @Override
    public Options getOptions() {
      return new Options().addOption(CpCommand.BUFFER_SIZE_OPTION);
    }
  
    @Override
    public void validateArgs(CommandLine cl) throws InvalidArgumentException {
      mCpCommand.validateArgs(cl);
    }
  
    @Override
    public int run(CommandLine cl) throws AlluxioException, IOException {
      String[] args = cl.getArgs();
      String dst = args[1];
      cl.getArgList().set(1, "file://" + new File(dst).getAbsolutePath());
      mCpCommand.run(cl);
      return 0;
    }
  
    @Override
    public String getUsage() {
      return "copyToLocal "
          + "[--buffersize <bytes>] "
          + " <src> <localDst>";
    }
  
    @Override
    public String getDescription() {
      return "Copies a file or a directory from the Alluxio filesystem to the local filesystem.";
    }
  }
  