The hibernate4-ddl-maven-plugin is a simple Maven plugin for creating SQL DDL ifiles for JPA entities. The plugin uses Hibernates API for SchemaExport.
The plugin is avaiable from Maven Central:
groupId : de.jpdigital artifactId: hibernate4-ddl-maven-plugin
The code is available at GitHub at http://github.com/jpdigital/hibernate4-ddl-maven-plugin. The projects web site is also available on GitHub at http://jpdigital.github.io/hibernate4-ddl-maven-plugin.