jtoggl wraps the Toggl REST/JSON API for Java. https://www.toggl.com/public/api
Please have a look at the fork https://github.com/konikvranik/jtoggl which might contain a more suitable solution for you.
You can find jtoggl-api in our Maven repository<repositories>
<repository>
<id>public-releases</id>
<name>Comerge Public Releases</name>
<url>https://nexus.comerge.net/repository/comerge-public-maven/</url>
</repository>
</repositories>
<dependency>
<groupId>ch.simas.jtoggl</groupId>
<artifactId>jtoggl-api</artifactId>
<version>1.1.0-SNAPSHOT</version>
</dependency>