Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* File : TOTorrentDeserialiseImpl.java
* Created : 5 Oct. 2003
* By : Parg
*
* Azureus - a Java Bittorrent client
*
* This program 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.
*
* 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 ( see the LICENSE file ).
*
* 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
*/
package net.javaw.torrent.impl;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import net.javaw.torrent.TOTorrentAnnounceURLSet;
import net.javaw.torrent.TOTorrentException;
import net.javaw.util.BDecoder;
public class TOTorrentDeserialiseImpl extends TOTorrentImpl
{
public TOTorrentDeserialiseImpl(File file, String tarPathString) throws TOTorrentException
{
if (!file.isFile())
{
throw (new TOTorrentException("TOTorrentDeserialise: Torrent must be a file ('" + file.getName() + "')", TOTorrentException.RT_FILE_NOT_FOUND));
}
if (file.length() == 0)
{
throw (new TOTorrentException("TOTorrentDeserialise: Torrent is zero length ('" + file.getName() + "')", TOTorrentException.RT_ZERO_LENGTH));
}
FileInputStream fis = null;
try
{
fis = new FileInputStream(file);
construct(fis, tarPathString);
} catch (IOException e)
{
throw (new TOTorrentException("TOTorrentDeserialise: IO exception reading torrent '" + e.toString() + "'", TOTorrentException.RT_READ_FAILS));
} finally
{
if (fis != null)
{
try
{
fis.close();
} catch (IOException e)
{
e.printStackTrace();
}
}
}
}
public TOTorrentDeserialiseImpl(InputStream is, String tarPathString) throws TOTorrentException
{
construct(is, tarPathString);
}
public TOTorrentDeserialiseImpl(byte[] bytes, String tarPathString) throws TOTorrentException
{
construct(bytes, tarPathString);
}
public TOTorrentDeserialiseImpl(Map map, String tarPathString) throws TOTorrentException
{
construct(map, tarPathString);
}
protected void construct(InputStream is, String tarPathString) throws TOTorrentException
{
ByteArrayOutputStream metaInfo = new ByteArrayOutputStream();
try
{
byte[] buf = new byte[32 * 1024];
int iFirstByte = is.read();// 读取第一个字符
if (iFirstByte != 'd' && iFirstByte != 'e' && iFirstByte != 'i' && !(iFirstByte >= '0' && iFirstByte <= '9'))
{
throw (new TOTorrentException("TOTorrentDeserialise: Not BEncoded", TOTorrentException.RT_READ_FAILS));
}
metaInfo.write(iFirstByte);
int nbRead;
while ((nbRead = is.read(buf)) > 0)
{
metaInfo.write(buf, 0, nbRead);// 读取文件流到内存
}
} catch (IOException e)
{
throw (new TOTorrentException("TOTorrentDeserialise: IO exception reading torrent '" + e.toString() + "'", TOTorrentException.RT_READ_FAILS));
}
construct(metaInfo.toByteArray(), tarPathString);
}
protected void construct(byte[] bytes, String tarPathString) throws TOTorrentException
{
try
{
Map meta_data = BDecoder.decode(bytes);
// print("", "", meta_data);
construct(meta_data, tarPathString);
} catch (IOException e)
{
throw (new TOTorrentException("TOTorrentDeserialise: decode fails: " + e.getMessage(), TOTorrentException.RT_DECODE_FAILS));
}
}
protected void construct(Map meta_data, String tarPathString) throws TOTorrentException
{
try
{
String announce_url = null;
boolean got_announce_list = false;
boolean bad_announce = false;
Iterator root_it = meta_data.keySet().iterator();
while (root_it.hasNext())
{
String key = (String) root_it.next();
if (key.equalsIgnoreCase(TK_ANNOUNCE))
{
announce_url = readStringFromMetaData(meta_data, TK_ANNOUNCE);
announce_url = announce_url.replaceAll(" ", "");
try
{
setAnnounceURL(new URL(announce_url));
} catch (MalformedURLException e)
{
bad_announce = true;
}
} else if (key.equalsIgnoreCase(TK_ANNOUNCE_LIST))
{
got_announce_list = true;
List announce_list = (List) meta_data.get(TK_ANNOUNCE_LIST);
if (announce_list != null && announce_list.size() > 0)
{
announce_url = readStringFromMetaData(meta_data, TK_ANNOUNCE);
announce_url = announce_url.replaceAll(" ", "");
boolean announce_url_found = false;
for (int i = 0; i < announce_list.size(); i++)
{
List set = (List) announce_list.get(i);
Vector
