build.gradle

subprojects {
    apply plugin: 'java'

    version = '1.0'

    buildDir = new File(rootProject.projectDir, "build/" + project.name)

    repositories {
		mavenCentral()
	   	jcenter()
    }

    compileJava {
        sourceCompatibility = '1.8'
    }

    sourceSets {
        main {
            java.srcDirs = [file('src/java')]
            resources.srcDirs = [file('src/resources')]
        }
        test {
            java.srcDirs = [file('test/unit')]
            resources.srcDirs = [file('test/resources')]
        }
    }

    jar {
        manifest {
            attributes('Implementation-Title': project.name,
            'Implementation-Version': version)
        }
    }

    dependencies {
        compile group: 'org.apache.kafka',          name: 'kafka-clients',  version: '2.5.0'
        compile group: 'com.google.code.gson',      name: 'gson',           version: '2.3.1'
        compile group: 'com.google.guava',          name: 'guava',          version: 'r05'
        compile group: 'org.apache.logging.log4j',  name: 'log4j-core',     version: '2.13.3'
    }
}