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com.acgist.snail.protocol.torrent.bean.Torrent Maven / Gradle / Ivy
package com.acgist.snail.protocol.torrent.bean;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import com.acgist.snail.system.bencode.BEncodeDecoder;
import com.acgist.snail.utils.NetUtils;
import com.acgist.snail.utils.StringUtils;
/**
* 种子信息
*
* @author acgist
* @since 1.0.0
*/
public class Torrent {
public static final List TORRENT_KEYS;
static {
String[] keys = {
"info",
"name",
"name.utf-8",
"path",
"path.utf-8",
"ed2k",
"files",
"nodes",
"pieces",
"length",
"md5sum", // 未遇到到过这个KEY
"comment",
"comment.utf-8",
"filehash",
"encoding",
"announce",
"publisher",
"publisher.utf-8",
"publisher-url",
"publisher-url.utf-8",
"created by",
"piece length",
"creation date",
"announce-list"
};
TORRENT_KEYS = Arrays.asList(keys);
}
private String comment; // 注释
private String commentUtf8; // 注释UTF8
private String encoding; // 编码
private String createdBy; // 创建者
private String announce; // Tracker主服务器
private Long creationDate; // 创建时间
private TorrentInfo info; // 文件信息
private List announceList; // Tracker服务器列表
private Map nodes; // DHT协议：暂时不处理
private InfoHash infoHash; // infoHash
protected Torrent() {
}
public static final Torrent valueOf(Map map) {
final Torrent torrent = new Torrent();
torrent.setComment(BEncodeDecoder.getString(map, "comment"));
torrent.setCommentUtf8(BEncodeDecoder.getString(map, "comment.utf-8"));
torrent.setEncoding(BEncodeDecoder.getString(map, "encoding"));
torrent.setCreatedBy(BEncodeDecoder.getString(map, "created by"));
torrent.setAnnounce(BEncodeDecoder.getString(map, "announce"));
torrent.setCreationDate(BEncodeDecoder.getLong(map, "creation date"));
final List announceList = BEncodeDecoder.getList(map, "announce-list");
if(announceList != null) {
torrent.setAnnounceList(
announceList.stream()
.flatMap(value -> {
final List values = (List) value;
return values.stream();
})
.map(value -> BEncodeDecoder.getString(value))
.collect(Collectors.toList())
);
} else {
torrent.setAnnounceList(new ArrayList<>(0));
}
final List nodes = BEncodeDecoder.getList(map, "nodes");
if(nodes != null) {
torrent.setNodes(
nodes.stream()
.map(value -> {
final List values = (List) value;
if(values.size() == 2) {
final String host = BEncodeDecoder.getString(values.get(0));
final Long port = (Long) values.get(1);
if(StringUtils.isNumeric(host)) { // TODO：紧凑型IP和端口
return Map.entry(
NetUtils.decodeIntToIp(Integer.parseInt(host)),
Long.valueOf(NetUtils.decodePort(port.shortValue()))
);
} else {
return Map.entry(host, port);
}
} else {
return null;
}
})
.filter(value -> value != null)
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (a, b) -> b, LinkedHashMap::new))
);
} else {
torrent.setNodes(new LinkedHashMap<>());
}
final Map info = BEncodeDecoder.getMap(map, "info");
if(info != null) {
final TorrentInfo torrentInfo = TorrentInfo.valueOf(info);
torrent.setInfo(torrentInfo);
}
return torrent;
}
public String getComment() {
return comment;
}
public void setComment(String comment) {
this.comment = comment;
}
public String getCommentUtf8() {
return commentUtf8;
}
public void setCommentUtf8(String commentUtf8) {
this.commentUtf8 = commentUtf8;
}
public String getEncoding() {
return encoding;
}
public void setEncoding(String encoding) {
this.encoding = encoding;
}
public String getCreatedBy() {
return createdBy;
}
public void setCreatedBy(String createdBy) {
this.createdBy = createdBy;
}
public String getAnnounce() {
return announce;
}
public void setAnnounce(String announce) {
this.announce = announce;
}
public Long getCreationDate() {
return creationDate;
}
public void setCreationDate(Long creationDate) {
this.creationDate = creationDate;
}
public TorrentInfo getInfo() {
return info;
}
public void setInfo(TorrentInfo info) {
this.info = info;
}
public List getAnnounceList() {
return announceList;
}
public void setAnnounceList(List announceList) {
this.announceList = announceList;
}
public Map getNodes() {
return nodes;
}
public void setNodes(Map nodes) {
this.nodes = nodes;
}
public InfoHash getInfoHash() {
return infoHash;
}
public void setInfoHash(InfoHash infoHash) {
this.infoHash = infoHash;
}
}
