add debug exporter, remove most refs to dataverse-exporters #10341

Author: pdurbin

doc/sphinx-guides/source/developers/metadataexport.rst

@@ -15,8 +15,11 @@ Dataverse instances.
 As of v5.14, Dataverse provides a mechanism for third-party developers to create new metadata Exporters than implement
 new metadata formats or that replace existing formats. All the necessary dependencies are packaged in an interface JAR file
 available from Maven Central. Developers can distribute their new Exporters as JAR files which can be dynamically loaded
-into Dataverse instances - see :ref:`external-exporters`. Developers are encouraged to make their Exporter code available
-via https://github.com/gdcc/dataverse-exporters (or minimally, to list their existence in the README there). 
+into Dataverse instances - see :ref:`external-exporters`. Developers are encouraged to work with the core Dataverse team
+(see :ref:`getting-help-developers`) to distribute these JAR files via Maven Central. See the
+`Croissant <https://central.sonatype.com/artifact/io.gdcc.export/croissant>`_ and
+`Debug <https://central.sonatype.com/artifact/io.gdcc.export/debug>`_ artifacts as examples. You may find other examples
+under :ref:`inventory-of-external-exporters` in the Installation Guide.
 
 Exporter Basics
 ---------------
@@ -63,7 +66,7 @@ If an Exporter cannot create a requested metadata format for some reason, it sho
 Building an Exporter
 --------------------
 
-The example at https://github.com/gdcc/dataverse-exporters provides a Maven pom.xml file suitable for building an Exporter JAR file and that repository provides additional development guidance.
+The examples at https://github.com/gdcc/exporter-croissant and https://github.com/gdcc/exporter-debug provide a Maven pom.xml file suitable for building an Exporter JAR file and those repositories provide additional development guidance.
 
 There are four dependencies needed to build an Exporter:
 

doc/sphinx-guides/source/installation/advanced.rst

@@ -152,6 +152,20 @@ The Maven Central landing page can be found at https://central.sonatype.com/arti
 
 The source code and additional information can be found at https://github.com/gdcc/exporter-croissant where you are welcome to open issues and create pull requests.
 
+Debug (``debug``)
+~~~~~~~~~~~~~~~~~
+
+The "Debug" exporter is intended to help developers of future external exporters. It produces a JSON file that contains all available formats that are available to exporter authors such as datasetJson, datasetORE, datasetSchemaDotOrg, etc.
+
+You can download the Debug exporter JAR from the following locations:
+
+- released/stable: https://repo1.maven.org/maven2/io/gdcc/export/debug/
+- unreleased/snapshot: https://s01.oss.sonatype.org/content/groups/staging/io/gdcc/export/debug/
+
+The Maven Central landing page can be found at https://central.sonatype.com/artifact/io.gdcc.export/debug
+
+The source code and additional information can be found at https://github.com/gdcc/exporter-debug where you are welcome to open issues and create pull requests.
+
 MyJSON (``dataverse_json``)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~