javaは純粋なIPデータベースQwry.datのソースコードを読みます.
http://blog.csdn.net/swazn_yj/archive/2007/05/16/1611020.aspx
javaは純粋なIPデータベースQQQwry.datのソースコードを読み取り、このプログラムを実行するにはオンラインでQwry.datをダウンロードする必要があります.大きすぎるため、ここでは提供しません.一、IPEntry.java
二、Utils.java
三、IPSeeker.java
javaは純粋なIPデータベースQQQwry.datのソースコードを読み取り、このプログラムを実行するにはオンラインでQwry.datをダウンロードする必要があります.大きすぎるため、ここでは提供しません.一、IPEntry.java
/** *//** *
* IP ， ， IP IP *
*
* @author swallow */
public class IPEntry ...{
public String beginIp;
public String endIp;
public String country;
public String area;
/** *//**
*
*/
public IPEntry() ...{
beginIp = endIp = country = area = "";
}
public String toString()...{
retur this.area+" "+this.country+"IP :"+this.beginIp+"-"+this.endIp;
}
}
CSDN ， ：http://blog.csdn.net/fancyerII/archive/2009/05/23/4211130.aspx二、Utils.java
/**//*
* Created on 2004-8-4
*
*/
import java.io.UnsupportedEncodingException;
/** *//**
* @author LJ-silver
*/
public class Utils ...{
/** *//**
* ip
* @param ip ip
* @return ip
*/
public static byte[] getIpByteArrayFromString(String ip) ...{
byte[] ret = new byte[4];
java.util.StringTokenizer st = new java.util.StringTokenizer(ip, ".");
try ...{
ret[0] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
ret[1] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
ret[2] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
ret[3] = (byte)(Integer.parseInt(st.nextToken()) & 0xFF);
} catch (Exception e) ...{
System.out.println(e.getMessage());
}
return ret;
}
public static void main(String args[])...{
byte[] a=getIpByteArrayFromString(args[0]);
for(int i=0;i< a.length;i++)
System.out.println(a[i]);
System.out.println(getIpStringFromBytes(a));
}
/** *//**
* ， ，
* @param s
* @param srcEncoding
* @param destEncoding
* @return ，
*/
public static String getString(String s, String srcEncoding, String destEncoding) ...{
try ...{
return new String(s.getBytes(srcEncoding), destEncoding);
} catch (UnsupportedEncodingException e) ...{
return s;
}
}
/** *//**
*
* @param b
* @param encoding
* @return encoding ，
*/
public static String getString(byte[] b, String encoding) ...{
try ...{
return new String(b, encoding);
} catch (UnsupportedEncodingException e) ...{
return new String(b);
}
}
/** *//**
*
* @param b
* @param offset
* @param len
* @param encoding
* @return encoding ，
*/
public static String getString(byte[] b, int offset, int len, String encoding) ...{
try ...{
return new String(b, offset, len, encoding);
} catch (UnsupportedEncodingException e) ...{
return new String(b, offset, len);
}
}
/** *//**
* @param ip ip
* @return ip
*/
public static String getIpStringFromBytes(byte[] ip) ...{
StringBuffer sb = new StringBuffer();
sb.append(ip[0] & 0xFF);
sb.append('.');
sb.append(ip[1] & 0xFF);
sb.append('.');
sb.append(ip[2] & 0xFF);
sb.append('.');
sb.append(ip[3] & 0xFF);
return sb.toString();
}
}
CSDN ， ：http://blog.csdn.net/fancyerII/archive/2009/05/23/4211130.aspx三、IPSeeker.java
*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma < [email protected]>
*
* 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, 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
*/
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteOrder;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
/** *//**
* * QQwry.dat ， ip ，QQwry.dat
* . ， 8
* 1. IP ， 4
* 2. IP ， 4
* . " / / "
* ip
* 1.
* 2.
* 。
* 1. 0
* 2. 4 ， 0x1 0x2
* a. 0x1 ， ， ，
* b. 0x2 ，
* 0x1 0x2，
* ，0x1 0x2 ， ， 3 ，
* 0
* . " / "
* 1. 7 ，
* a. IP ，4
* b. ip ，3
*
* ， ip little-endian ， java
* big-endian ，
*
*
* @author
*/
public class IPSeeker ...{
/** *//**
* * ip ， ，ip
*
*
* @author swallow */
private class IPLocation ...{
public String country;
public String area;
public IPLocation() ...{
country = area = "";
}
public IPLocation getCopy() ...{
IPLocation ret = new IPLocation();
ret.country = country;
ret.area = area;
return ret;
}
}
private static final String IP_FILE = IPSeeker.class.getResource("/QQWry.dat").toString().substring(5);
// ，
private static final int IP_RECORD_LENGTH = 7;
private static final byte AREA_FOLLOWED = 0x01;
private static final byte NO_AREA = 0x2;
// cache， ip cache，
private Hashtable ipCache;
//
private RandomAccessFile ipFile;
//
private MappedByteBuffer mbb;
//
private static IPSeeker instance = new IPSeeker();
//
private long ipBegin, ipEnd;
//
private IPLocation loc;
private byte[] buf;
private byte[] b4;
private byte[] b3;
/** *//**
*
*/
private IPSeeker() ...{
ipCache = new Hashtable();
loc = new IPLocation();
buf = new byte[100];
b4 = new byte[4];
b3 = new byte[3];
try ...{
ipFile = new RandomAccessFile(IP_FILE, "r");
} catch (FileNotFoundException e) ...{
System.out.println(IPSeeker.class.getResource("/QQWry.dat").toString());
System.out.println(IP_FILE);
System.out.println("IP ，IP ");
ipFile = null;
}
// ，
if(ipFile != null) ...{
try ...{
ipBegin = readLong4(0);
ipEnd = readLong4(4);
if(ipBegin == -1 || ipEnd == -1) ...{
ipFile.close();
ipFile = null;
}
} catch (IOException e) ...{
System.out.println("IP ，IP ");
ipFile = null;
}
}
}
/** *//**
* @return
*/
public static IPSeeker getInstance() ...{
return instance;
}
/** *//**
* ， s IP
* @param s
* @return IPEntry List
*/
public List getIPEntriesDebug(String s) ...{
List ret = new ArrayList();
long endOffset = ipEnd + 4;
for(long offset = ipBegin + 4; offset <= endOffset; offset += IP_RECORD_LENGTH) ...{
// IP
long temp = readLong3(offset);
// temp -1， IP
if(temp != -1) ...{
IPLocation loc = getIPLocation(temp);
// s ， ， List ， ，
if(loc.country.indexOf(s) != -1 || loc.area.indexOf(s) != -1) ...{
IPEntry entry = new IPEntry();
entry.country = loc.country;
entry.area = loc.area;
// IP
readIP(offset - 4, b4);
entry.beginIp = Utils.getIpStringFromBytes(b4);
// IP
readIP(temp, b4);
entry.endIp = Utils.getIpStringFromBytes(b4);
//
ret.add(entry);
}
}
}
return ret;
}
/** *//**
* ， s IP
* @param s
* @return IPEntry List
*/
public List getIPEntries(String s) ...{
List ret = new ArrayList();
try ...{
// IP
if(mbb == null) ...{
FileChannel fc = ipFile.getChannel();
mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0, ipFile.length());
mbb.order(ByteOrder.LITTLE_ENDIAN);
}
int endOffset = (int)ipEnd;
for(int offset = (int)ipBegin + 4; offset <= endOffset; offset += IP_RECORD_LENGTH) ...{
int temp = readInt3(offset);
if(temp != -1) ...{
IPLocation loc = getIPLocation(temp);
// s ， ， List ， ，
if(loc.country.indexOf(s) != -1 || loc.area.indexOf(s) != -1) ...{
IPEntry entry = new IPEntry();
entry.country = loc.country;
entry.area = loc.area;
// IP
readIP(offset - 4, b4);
entry.beginIp = Utils.getIpStringFromBytes(b4);
// IP
readIP(temp, b4);
entry.endIp = Utils.getIpStringFromBytes(b4);
//
ret.add(entry);
}
}
}
} catch (IOException e) ...{
System.out.println(e.getMessage());
}
return ret;
}
/** *//**
* offset 3 int
* @param offset
* @return
*/
private int readInt3(int offset) ...{
mbb.position(offset);
return mbb.getInt() & 0x00FFFFFF;
}
/** *//**
* 3 int
* @return
*/
private int readInt3() ...{
return mbb.getInt() & 0x00FFFFFF;
}
/** *//**
* IP
* @param ip ip
* @return
*/
public String getCountry(byte[] ip) ...{
// ip
if(ipFile == null) return " IP ";
// ip， ip
String ipStr = Utils.getIpStringFromBytes(ip);
// cache ip ，
if(ipCache.containsKey(ipStr)) ...{
IPLocation loc = (IPLocation)ipCache.get(ipStr);
return loc.country;
} else ...{
IPLocation loc = getIPLocation(ip);
ipCache.put(ipStr, loc.getCopy());
return loc.country;
}
}
/** *//**
* IP
* @param ip IP
* @return
*/
public String getCountry(String ip) ...{
return getCountry(Utils.getIpByteArrayFromString(ip));
}
/** *//**
* IP
* @param ip ip
* @return
*/
public String getArea(byte[] ip) ...{
// ip
if(ipFile == null) return " IP ";
// ip， ip
String ipStr = Utils.getIpStringFromBytes(ip);
// cache ip ，
if(ipCache.containsKey(ipStr)) ...{
IPLocation loc = (IPLocation)ipCache.get(ipStr);
return loc.area;
} else ...{
IPLocation loc = getIPLocation(ip);
ipCache.put(ipStr, loc.getCopy());
return loc.area;
}
}
/** *//**
* IP
* @param ip IP
* @return
*/
public String getArea(String ip) ...{
return getArea(Utils.getIpByteArrayFromString(ip));
}
/** *//**
* ip ip ， IPLocation ， ip ip
* @param ip IP
* @return IPLocation
*/
private IPLocation getIPLocation(byte[] ip) ...{
IPLocation info = null;
long offset = locateIP(ip);
if(offset != -1)
info = getIPLocation(offset);
if(info == null) ...{
info = new IPLocation();
info.country = " ";
info.area = " ";
}
return info;
}
/** *//**
* offset 4 long， java big-endian ，
*
* @param offset
* @return long ， -1
*/
private long readLong4(long offset) ...{
long ret = 0;
try ...{
ipFile.seek(offset);
ret |= (ipFile.readByte() & 0xFF);
ret |= ((ipFile.readByte() << 8) & 0xFF00);
ret |= ((ipFile.readByte() << 16) & 0xFF0000);
ret |= ((ipFile.readByte() << 24) & 0xFF000000);
return ret;
} catch (IOException e) ...{
return -1;
}
}
/** *//**
* offset 3 long， java big-endian ，
*
* @param offset
* @return long ， -1
*/
private long readLong3(long offset) ...{
long ret = 0;
try ...{
ipFile.seek(offset);
ipFile.readFully(b3);
ret |= (b3[0] & 0xFF);
ret |= ((b3[1] << 8) & 0xFF00);
ret |= ((b3[2] << 16) & 0xFF0000);
return ret;
} catch (IOException e) ...{
return -1;
}
}
/** *//**
* 3 long
* @return
*/
private long readLong3() ...{
long ret = 0;
try ...{
ipFile.readFully(b3);
ret |= (b3[0] & 0xFF);
ret |= ((b3[1] << 8) & 0xFF00);
ret |= ((b3[2] << 16) & 0xFF0000);
return ret;
} catch (IOException e) ...{
return -1;
}
}
/** *//**
* offset ip ip ， ip big-endian ，
* little-endian ，
* @param offset
* @param ip
*/
private void readIP(long offset, byte[] ip) ...{
try ...{
ipFile.seek(offset);
ipFile.readFully(ip);
byte temp = ip[0];
ip[0] = ip[3];
ip[3] = temp;
temp = ip[1];
ip[1] = ip[2];
ip[2] = temp;
} catch (IOException e) ...{
System.out.println(e.getMessage());
}
}
/** *//**
* offset ip ip ， ip big-endian ，
* little-endian ，
* @param offset
* @param ip
*/
private void readIP(int offset, byte[] ip) ...{
mbb.position(offset);
mbb.get(ip);
byte temp = ip[0];
ip[0] = ip[3];
ip[3] = temp;
temp = ip[1];
ip[1] = ip[2];
ip[2] = temp;
}
/** *//**
* ip beginIp ， beginIp big-endian
* @param ip IP
* @param beginIp IP IP
* @return 0，ip beginIp 1， -1。
*/
private int compareIP(byte[] ip, byte[] beginIp) ...{
for(int i = 0; i < 4; i++) ...{
int r = compareByte(ip[i], beginIp[i]);
if(r != 0)
return r;
}
return 0;
}
/** *//**
* byte
* @param b1
* @param b2
* @return b1 b2 1， 0， -1
*/
private int compareByte(byte b1, byte b2) ...{
if((b1 & 0xFF) > (b2 & 0xFF)) //
return 1;
else if((b1 ^ b2) == 0)//
return 0;
else
return -1;
}
/** *//**
* ip ， ip ，
* 。
* @param ip IP
* @return ， IP ， ， -1
*/
private long locateIP(byte[] ip) ...{
long m = 0;
int r;
// ip
readIP(ipBegin, b4);
r = compareIP(ip, b4);
if(r == 0) return ipBegin;
else if(r < 0) return -1;
//
for(long i = ipBegin, j = ipEnd; i < j; ) ...{
m = getMiddleOffset(i, j);
readIP(m, b4);
r = compareIP(ip, b4);
// log.debug(Utils.getIpStringFromBytes(b));
if(r > 0)
i = m;
else if(r < 0) ...{
if(m == j) ...{
j -= IP_RECORD_LENGTH;
m = j;
} else
j = m;
} else
return readLong3(m + 4);
}
// ， i j ， ，
// ， ， ，
m = readLong3(m + 4);
readIP(m, b4);
r = compareIP(ip, b4);
if(r <= 0) return m;
else return -1;
}
/** *//**
* begin end
* @param begin
* @param end
* @return
*/
private long getMiddleOffset(long begin, long end) ...{
long records = (end - begin) / IP_RECORD_LENGTH;
records >>= 1;
if(records == 0) records = 1;
return begin + records * IP_RECORD_LENGTH;
}
/** *//**
* ip ， IPLocation
* @param offset
* @return
*/
private IPLocation getIPLocation(long offset) ...{
try ...{
// 4 ip
ipFile.seek(offset + 4);
//
byte b = ipFile.readByte();
if(b == AREA_FOLLOWED) ...{
//
long countryOffset = readLong3();
//
ipFile.seek(countryOffset);
// ，
b = ipFile.readByte();
if(b == NO_AREA) ...{
loc.country = readString(readLong3());
ipFile.seek(countryOffset + 4);
} else
loc.country = readString(countryOffset);
//
loc.area = readArea(ipFile.getFilePointer());
} else if(b == NO_AREA) ...{
loc.country = readString(readLong3());
loc.area = readArea(offset + 8);
} else ...{
loc.country = readString(ipFile.getFilePointer() - 1);
loc.area = readArea(ipFile.getFilePointer());
}
return loc;
} catch (IOException e) ...{
return null;
}
}
/** *//**
* @param offset
* @return
*/
private IPLocation getIPLocation(int offset) ...{
// 4 ip
mbb.position(offset + 4);
//
byte b = mbb.get();
if(b == AREA_FOLLOWED) ...{
//
int countryOffset = readInt3();
//
mbb.position(countryOffset);
// ，
b = mbb.get();
if(b == NO_AREA) ...{
loc.country = readString(readInt3());
mbb.position(countryOffset + 4);
} else
loc.country = readString(countryOffset);
//
loc.area = readArea(mbb.position());
} else if(b == NO_AREA) ...{
loc.country = readString(readInt3());
loc.area = readArea(offset + 8);
} else ...{
loc.country = readString(mbb.position() - 1);
loc.area = readArea(mbb.position());
}
return loc;
}
/** *//**
* offset ，
* @param offset
* @return
* @throws IOException
*/
private String readArea(long offset) throws IOException ...{
ipFile.seek(offset);
byte b = ipFile.readByte();
if(b == 0x01 || b == 0x02) ...{
long areaOffset = readLong3(offset + 1);
if(areaOffset == 0)
return " ";
else
return readString(areaOffset);
} else
return readString(offset);
}
/** *//**
* @param offset
* @return
*/
private String readArea(int offset) ...{
mbb.position(offset);
byte b = mbb.get();
if(b == 0x01 || b == 0x02) ...{
int areaOffset = readInt3();
if(areaOffset == 0)
return " ";
else
return readString(areaOffset);
} else
return readString(offset);
}
/** *//**
* offset 0
* @param offset
* @return ，
*/
private String readString(long offset) ...{
try ...{
ipFile.seek(offset);
int i;
for(i = 0, buf[i] = ipFile.readByte(); buf[i] != 0; buf[++i] = ipFile.readByte());
if(i != 0)
return Utils.getString(buf, 0, i, "GBK");
} catch (IOException e) ...{
System.out.println(e.getMessage());
}
return "";
}
/** *//**
* offset 0
* @param offset
* @return
*/
private String readString(int offset) ...{
try ...{
mbb.position(offset);
int i;
for(i = 0, buf[i] = mbb.get(); buf[i] != 0; buf[++i] = mbb.get());
if(i != 0)
return Utils.getString(buf, 0, i, "GBK");
} catch (IllegalArgumentException e) ...{
System.out.println(e.getMessage());
}
return "";
}
public String getAddress(String ip)...{
String country = getCountry(ip).equals(" CZ88.NET")?"":getCountry(ip);
String area = getArea(ip).equals(" CZ88.NET")?"":getArea(ip);
String address = country+" "+area;
return address.trim();
}
}
CSDN ， ：http://blog.csdn.net/fancyerII/archive/2009/05/23/4211130.aspx