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/**
* DatabaseInfo.java
*
* Copyright (C) 2003 MaxMind LLC. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.maxmind.geoip;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Encapsulates metadata about the GeoIP database. The database has a date, is a premium or
* standard version, and is one of the following types:
*
* <ul>
* <li>Country edition -- this is the most common version of the database. It includes
* the name of the country and it's ISO country code given an IP address.
* <li>Region edition -- includes the country information as well as
* what U.S. state or Canadian province the IP address is from if the IP address
* is from the U.S. or Canada.
* <li>City edition -- includes country, region, city, postal code, latitude, and
* longitude information.
* <li>Org edition -- includes netblock owner.
* <li>ISP edition -- ISP information.
* </ul>
*
* @see com.maxmind.geoip.LookupService#getDatabaseInfo()
* @author Matt Tucker
*/
public class DatabaseInfo {
public final static int COUNTRY_EDITION = 1;
public final static int REGION_EDITION_REV0 = 7;
public final static int REGION_EDITION_REV1 = 3;
public final static int CITY_EDITION_REV0 = 6;
public final static int CITY_EDITION_REV1 = 2;
public final static int ORG_EDITION = 5;
public final static int ISP_EDITION = 4;
public final static int PROXY_EDITION = 8;
public final static int ASNUM_EDITION = 9;
public final static int NETSPEED_EDITION = 10;
public final static int COUNTRY_EDITION_V6 = 12;
private static SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
private String info;
/**
* Creates a new DatabaseInfo object given the database info String.
* @param info
*/
public DatabaseInfo(String info) {
this.info = info;
}
public int getType() {
if (info == null || info.equals("")) {
return COUNTRY_EDITION;
}
else {
// Get the type code from the database info string and then
// subtract 105 from the value to preserve compatability with
// databases from April 2003 and earlier.
return Integer.parseInt(info.substring(4, 7)) - 105;
}
}
/**
* Returns true if the database is the premium version.
*
* @return true if the premium version of the database.
*/
public boolean isPremium() {
return info.indexOf("FREE") < 0;
}
/**
* Returns the date of the database.
*
* @return the date of the database.
*/
public Date getDate() {
for (int i=0; i<info.length()-9; i++) {
if (Character.isWhitespace(info.charAt(i))) {
String dateString = info.substring(i+1, i+9);
try {
synchronized (formatter) {
return formatter.parse(dateString);
}
}
catch (ParseException pe) { }
break;
}
}
return null;
}
public String toString() {
return info;
}
}
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