/*
* 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.AlluxioURI;
import alluxio.client.file.FileSystem;
import alluxio.client.file.options.CreateDirectoryOptions;
import alluxio.exception.AlluxioException;
import org.apache.commons.cli.CommandLine;
import java.io.IOException;
import javax.annotation.concurrent.ThreadSafe;
/**
* Creates a new directory specified by the path in args, including any parent folders that are
* required. This command fails if a directory or file with the same path already exists.
*/
@ThreadSafe
public final class MkdirCommand extends AbstractShellCommand {
/**
* Constructs a new instance to create a new directory.
*
* @param fs the filesystem of Alluxio
*/
public MkdirCommand(FileSystem fs) {
super(fs);
}
@Override
public String getCommandName() {
return "mkdir";
}
@Override
protected int getNumOfArgs() {
return 1;
}
@Override
public int run(CommandLine cl) throws AlluxioException, IOException {
String[] args = cl.getArgs();
for (String path : args) {
AlluxioURI inputPath = new AlluxioURI(path);
CreateDirectoryOptions options = CreateDirectoryOptions.defaults().setRecursive(true);
mFileSystem.createDirectory(inputPath, options);
System.out.println("Successfully created directory " + inputPath);
}
return 0;
}
@Override
public String getUsage() {
return "mkdir <path1> [path2] ... [pathn]";
}
@Override
public String getDescription() {
return "Creates the specified directories, including any parent directories that are required.";
}
@Override
public boolean validateArgs(String... args) {
boolean valid = args.length >= getNumOfArgs();
if (!valid) {
System.out.println(getCommandName() + " takes " + getNumOfArgs() + " argument at least\n");
}
return valid;
}
}