ipregistry/ipregistry-java

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Ipregistry Java Client Library

This is the official Java client library for the Ipregistry IP geolocation and threat data API, allowing you to lookup your own IP address or specified ones. Responses return multiple data points including carrier, company, currency, location, timezone, threat information, and more.

Getting Started

You'll need an Ipregistry API key, which you can get along with 100,000 free lookups by signing up for a free account at https://ipregistry.co.

Installation

Maven

<dependency> <groupId>co.ipregistrygroupId> <artifactId>ipregistry-clientartifactId> <version>6.0.0version> dependency>

Gradle

implementation 'co.ipregistry:ipregistry-client:6.0.0'

Quick start

Single IP Lookup

import co.ipregistry.api.client.exceptions.ApiException; import co.ipregistry.api.client.exceptions.ClientException; import co.ipregistry.api.client.model.IpInfo; public class SingleIpLookup { public static void main(final String[] args) { final IpregistryClient client = new IpregistryClient("YOUR_API_KEY"); try { // Here is an example to lookup IP address data for a given IP address. // The parameter to pass is an IPv4 or IPv6 address. // On server-side, you need to retrieve the client IP from the request headers. final IpInfo ipInfo = client.lookup("54.85.132.205"); System.out.println(ipInfo); // If your purpose is to perform a lookup for the current node and network interface // used to execute this code, then you don't even need to pass a parameter final RequesterIpInfo requesterIpInfo = client.lookup(); System.out.println(requesterIpInfo); } catch (final ApiException e) { // Handle API errors (e.g. insufficient credits, throttling) here e.printStackTrace(); } catch (final ClientException e) { // Handle client errors (e.g. network error) here e.printStackTrace(); } } }

Batch IP Lookup

import co.ipregistry.api.client.ipregistrygistry; import co.ipregistry.api.client.exceptions.ApiException; import co.ipregistry.api.client.exceptions.ClientException; import co.ipregistry.api.client.exceptions.IpInfoException; import co.ipregistry.api.client.model.IpInfo; import co.ipregistry.api.client.model.IpInfoList; import java.util.Arrays; public class BatchIpLookup { public static void main(final String[] args) { final IpregistryClient client = new IpregistryClient("YOUR_API_KEY"); try { final IpInfoList ipInfoList = client.lookup(Arrays.asList("73.2.2.2", "8.8.8.8", "2001:67c:2e8:22::c100:68b")); for (int i = 0; i < ipInfoList.size(); i++) { try { final IpInfo ipInfo = ipInfoList.get(i); // Here is an example to print out the country name associated with each IP address System.out.println(ipInfo.getLocation().getCountry().getName()); } catch (final IpInfoException e) { // Handle batch lookup error (e.g. invalid IP address) here e.printStackTrace(); } } } catch (final ApiException e) { // Handle API errors (e.g. insufficient credits, throttling) here e.printStackTrace(); } catch (final ClientException e) { // Handle client errors (e.g. network error) here e.printStackTrace(); } } }

Caching

Although the Ipregistry client library has built-in support for in-memory caching, it is disabled by default to ensure data freshness.

To enable in-memory caching, pass an instance of InMemoryCache to the Ipregistry client:

IpregistryConfig config = IpregistryConfig.builder() .apiKey("YOUR_API_KEY").build(); IpregistryClient ipregistry = new IpregistryClient(config, InMemoryCache.builder().build());

The InMemoryCache implementation supports multiple eviction policies (e.g. size based, time based):

InMemoryCache cache = InMemoryCache.builder() .concurrencyLevel(16) .expireAfter(600 * 1000) .initialCapacity(512) .maximumSize(4096) .build();

You can also provide your own cache implementation by implementing the IpregistryCache interface.

Errors

All Ipregistry exceptions inherit the IpregistryException class.

Main subtypes are ApiException and ClientException.

Exceptions of type ApiException include a code field that maps to the one described in the Ipregistry documentation.

Filtering bots

You might want to prevent Ipregistry API calls for crawlers or bots browsing your pages.

A manner to proceed is to identify bots from the user agent. To ease this process, the library includes a utility method:

import co.ipregistry.api.client.ipregistrygistry; import co.ipregistry.api.client.exceptions.ApiException; import co.ipregistry.api.client.exceptions.ClientException; import co.ipregistry.api.client.model.IpInfo; import co.ipregistry.api.client.util.UserAgent; public class SingleIpLookupFilteringBots { public static void main(final String[] args) { final IpregistryClient client = new IpregistryClient("YOUR_API_KEY"); // For testing purposes, you can retrieve you current user-agent value from: // https://api.ipregistry.co/user_agent?key=YOUR_API_KEY (look at the field named "user_agent") if (UserAgent.isBot("TO_REPLACE_BY_USER_AGENT_RETRIEVED_FROM_REQUEST_HEADER")) { try { final IpData ipInfo = client.lookup("8.8.8.8"); // Here is an example to print out the country name associated with the IP address System.out.println(ipInfo.getLocation().getCountry().getName()); } catch (final ApiException e) { // Handle API errors (e.g. insufficient credits, throttling) here e.printStackTrace(); } catch (final ClientException e) { // Handle client errors (e.g. network error) here e.printStackTrace(); } } } }