/*
* 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.shell.command;
import alluxio.client.file.FileSystem;
import alluxio.exception.AlluxioException;
import org.apache.commons.cli.CommandLine;
import javax.annotation.concurrent.ThreadSafe;
import java.io.File;
import java.io.IOException;
/**
* Copies a file or a directory from the Alluxio filesystem to the local filesystem.
*/
@ThreadSafe
public final class CopyToLocalCommand extends AbstractShellCommand {
private CpCommand mCpCommand;
/**
* @param fs the filesystem of Alluxio
*/
public CopyToLocalCommand(FileSystem fs) {
super(fs);
mCpCommand = new CpCommand(fs);
}
@Override
public String getCommandName() {
return "copyToLocal";
}
@Override
protected int getNumOfArgs() {
return 2;
}
@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 <src> <localDst>";
}
@Override
public String getDescription() {
return "Copies a file or a directory from the Alluxio filesystem to the local filesystem.";
}
}