Java tutorial
/* * ------------------------------------------------------------------------------ * Hermes FTP Server * Copyright (c) 2005-2014 Lars Behnke * ------------------------------------------------------------------------------ * * This file is part of Hermes FTP Server. * * Hermes FTP Server is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Hermes FTP Server is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Hermes FTP Server; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * ------------------------------------------------------------------------------ */ package com.apporiented.hermesftp.cmd.impl; import java.io.File; import com.apporiented.hermesftp.cmd.AbstractFtpCmd; import com.apporiented.hermesftp.exception.FtpCmdException; import org.apache.commons.io.FileUtils; /** * <b>SIZE</b> Returns the size of the passed path in bytes. * * @author Lars Behnke */ public class FtpCmdSize extends AbstractFtpCmd { /** * {@inheritDoc} */ public void execute() throws FtpCmdException { File path = new File(getPathArg()); if (!path.exists()) { msgOut(MSG550); } else if ((getCtx().getPermission(path.getAbsolutePath()) & PRIV_READ) == 0) { msgOut(MSG550_PERM); } else if (path.isDirectory()) { msgOut(MSG213_SIZE, new Object[] { FileUtils.sizeOfDirectory(path) }); } else { /* This is the binary length. In ASCII mode the size may differ, see RFC 3659, chap. 4 */ msgOut(MSG213_SIZE, new Object[] { path.length() }); } } /** * {@inheritDoc} */ public String getHelp() { return "Calculates the size of a path"; } /** * {@inheritDoc} */ public boolean isAuthenticationRequired() { return true; } }