Download

springfield-1.3.8.jar
springfield-1.3.8-pom.xml
springfield-1.3.8-sources.jar

Install

Maven Local repository 

mvn install:install-file -Dfile=springfield-1.3.8.jar 
                         -DpomFile=springfield-1.3.8-pom.xml 
                         -Dsources=springfield-1.3.8-sources.jar 
                         -DgroupId=com.u2ware 
                         -DartifactId=springfield 
                         -Dversion=1.3.8 
                         -Dpackaging=jar

Dependency

                <dependency>
                        <groupId>com.u2ware</groupId>
                        <artifactId>springfield</artifactId>
                        <version>1.3.8</version>
                </dependency>