Extracting the geographic location

Open the build.gradle file on the Monedero project created in Chapter 2, Message Validation, and add the lines highlighted in Listing 3.1.

The following is the content of Listing 3.1, the Monedero build.gradle file:

apply plugin: 'java'
apply plugin: 'application'
sourceCompatibility = '1.8'
mainClassName = 'monedero.ProcessingEngine'
repositories {
  mavenCentral()
}
version = '0.2.0'
dependencies {
    compile group: 'org.apache.kafka', name: 'kafka_2.12', version:                                                                                                                                              
                                                            '2.0.0'
    compile group: 'com.maxmind.geoip', name: 'geoip-api', version:               ...