PDL distributes many types of information. It:

• integrates with existing systems, Cross-platform command line and Java APIs.
• is loosely coupled, producers and consumers may communicate directly or via hubs.
• uses push distribution.
• uses digital signatures to provide authentication and integrity.

Download ProductClient.zip from the GitHub releases page:

• https://github.com/usgs/pdl/releases

PDL can be upgraded by replacing the ProductClient.jar file and restarting the process.

• https://usgs.github.io/pdl/

• http://github.com/jmfee-usgs/pdl-client-examples

This is a java project with a Gradle build file. To build the project, from the project directory run:

gradle assemble

or, to also run tests and coverage

gradle build

Files are output to the build directory.

Some unit tests depend on

• internet connection
• SSH access to localhost with out a password (via a key).