Package com.maxmind.geoip

Class LookupService

  • public class LookupService
extends Object
    Provides a lookup service for information based on an IP address. The location of a database file is supplied when creating a lookup service instance. The edition of the database determines what information is available about an IP address. See the DatabaseInfo class for further details.

    The following code snippet demonstrates looking up the country that an IP address is from: 

     // First, create a LookupService instance with the location of the database.
 LookupService lookupService = new LookupService("c:\\geoip.dat");
 // Assume we have a String ipAddress (in dot-decimal form).
 Country country = lookupService.getCountry(ipAddress);
 System.out.println("The country is: " + country.getName());
 System.out.println("The country code is: " + country.getCode());
    In general, a single LookupService instance should be created and then reused repeatedly.

    Tip: Those deploying the GeoIP API as part of a web application may find it difficult to pass in a File to create the lookup service, as the location of the database may vary per deployment or may even be part of the web-application. In this case, the database should be added to the classpath of the web-app. For example, by putting it into the WEB-INF/classes directory of the web application. The following code snippet demonstrates how to create a LookupService using a database that can be found on the classpath: 

     String fileName = getClass().getResource("/GeoIP.dat").toExternalForm()
         .substring(6);
 LookupService lookupService = new LookupService(fileName);
    Author:
    Matt Tucker (matt@jivesoftware.com)

    • Constructor Detail

      • LookupService

        public LookupService​(String databaseFile)
              throws IOException
        Create a new lookup service using the specified database file.
        Parameters:
        databaseFile - String representation of the database file.
        Throws:
        IOException - if an error occured creating the lookup service from the database file.

      • LookupService

        public LookupService​(File databaseFile)
              throws IOException
        Create a new lookup service using the specified database file.
        Parameters:
        databaseFile - the database file.
        Throws:
        IOException - if an error occured creating the lookup service from the database file.

      • LookupService

        public LookupService​(String databaseFile,
                     int options)
              throws IOException
        Create a new lookup service using the specified database file.
        Parameters:
        databaseFile - String representation of the database file.
        options - database flags to use when opening the database GEOIP_STANDARD read database from disk GEOIP_MEMORY_CACHE cache the database in RAM and read it from RAM
        Throws:
        IOException - if an error occured creating the lookup service from the database file.

      • LookupService

        public LookupService​(File databaseFile,
                     int options)
              throws IOException
        Create a new lookup service using the specified database file.
        Parameters:
        databaseFile - the database file.
        options - database flags to use when opening the database GEOIP_STANDARD read database from disk GEOIP_MEMORY_CACHE cache the database in RAM and read it from RAM
        Throws:
        IOException - if an error occured creating the lookup service from the database file.

    • Method Detail

      • close

        public void close()
        Closes the lookup service.

      • getAllCountryNames

        public List<String> getAllCountryNames()
        Returns:
        The list of all known country names

      • getAllCountryCodes

        public List<String> getAllCountryCodes()
        Returns:
        The list of all known country codes

      • getCountryV6

        public Country getCountryV6​(String ipAddress)
        Returns the country the IP address is in.
        Parameters:
        ipAddress - String version of an IPv6 address, i.e. "::127.0.0.1"
        Returns:
        the country the IP address is from.

      • getCountry

        public Country getCountry​(String ipAddress)
        Returns the country the IP address is in.
        Parameters:
        ipAddress - String version of an IP address, i.e. "127.0.0.1"
        Returns:
        the country the IP address is from.

      • getCountry

        public Country getCountry​(InetAddress ipAddress)
        Returns the country the IP address is in.
        Parameters:
        ipAddress - the IP address.
        Returns:
        the country the IP address is from.

      • getCountryV6

        public Country getCountryV6​(InetAddress addr)
        Returns the country the IP address is in.
        Parameters:
        addr - the IP address as Inet6Address.
        Returns:
        the country the IP address is from.

      • getCountry

        public Country getCountry​(long ipAddress)
        Returns the country the IP address is in.
        Parameters:
        ipAddress - the IP address in long format.
        Returns:
        the country the IP address is from.

      • countryToIP

        public void countryToIP​(String country,
                        Writer out)
                 throws IOException
        I2P - Write all IPv4 address ranges for the given country to out.
        Parameters:
        country - two-letter case-insensitive
        out - caller must close
        Throws:
        IOException
        Since:
        0.9.48

      • getID

        public int getID​(String ipAddress)

      • getID

        public int getID​(long ipAddress)

      • last_netmask

        public int last_netmask()

      • netmask

        public void netmask​(int nm)

      • getDatabaseInfo

        public DatabaseInfo getDatabaseInfo()
        Returns information about the database.
        Returns:
        database info.

      • _check_mtime

        void _check_mtime()

      • getRegion

        public Region getRegion​(long ipnum)

      • getLocation

        public Location getLocation​(long ipnum)

      • getOrg

        public String getOrg​(long ipnum)