xinputfileimpl.java

优秀的MPEG2-TS流分析软件

/*
 * @(#)XInputFileImpl.java - implementation for ftp access
 *
 * Copyright (c) 2004-2005 by roehrist, All Rights Reserved. 
 * 
 * This file is part of X, a free Java based demux utility.
 * X is intended for educational purposes only, as a non-commercial test project.
 * It may not be used otherwise. Most parts are only experimental.
 * 
 *
 * This program is free software; you can redistribute it free of charge
 * 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/*
 * requires Jakarta Commons Net library, developed by the
 * Apache Software Foundation (http://www.apache.org/).
 */

package net.sourceforge.dvb.projectx.xinput.ftp;

import java.io.EOFException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PushbackInputStream;
import java.io.RandomAccessFile;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.StringTokenizer;

import net.sourceforge.dvb.projectx.common.X;
import net.sourceforge.dvb.projectx.gui.Dialogs;
import net.sourceforge.dvb.projectx.common.Resource;
import net.sourceforge.dvb.projectx.common.Common;

import net.sourceforge.dvb.projectx.xinput.FileType;
import net.sourceforge.dvb.projectx.xinput.XInputFileIF;
import net.sourceforge.dvb.projectx.xinput.XInputStream;

import org.apache.commons.net.ftp.FTPFile;

import java.io.DataInputStream;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTP;

public class XInputFileImpl implements XInputFileIF {

	private boolean debug = false;

	// Members, which are type independent
	private FileType fileType = null;

	private boolean isopen = false;

	private PushbackInputStream pbis = null;
	private File rafFile = null;
	private RandomAccessFile raf = null;
	private byte[] buffer = new byte[8];

	// Members used for type FileType.FTP
	private FtpVO ftpVO = null;

	private FTPFile ftpFile = null;

	private FTPClient client = null;

	private DataInputStream in = null;

	public XInputStream xIs = null;

	private Object constructorParameter = null;

	/**
	 * Private Constructor, don't use!
	 */
	private XInputFileImpl() {

		throw new UnsupportedOperationException();
	}

	/**
	 * Create a XInputFile of type FileType.FTP.
	 * 
	 * @param aFtpVO
	 *          Directory data to use
	 * @param aFtpFile
	 *          File data to use
	 */
	public XInputFileImpl(FtpVO aFtpVO) {

		if (debug) System.out.println("Try to create XInputFile of Type FTP");

		ftpVO = aFtpVO;
		ftpFile = aFtpVO.getFtpFile();
		fileType = FileType.FTP;

		if (!exists()) { throw new IllegalArgumentException("File is not of type FileType.FTP"); }

		if (debug) System.out.println("Succeeded to create XInputFile of Type FTP");
	}

	/**
	 * Get String representation of the object.
	 * 
	 * @return String representation of the object
	 */
	public String toString() {

		String s;

		String name = ftpFile.getName();
		name = replaceStringByString(name, "盲", "