Metacat

Throw an exception if the request doesn't specify the name of the theme in the view method.

use objectFormat.extension in cases where we need to construct a filename for download. https://redmine.dataone.org/issues/3312

use v1 and v2 xsl as appropriate for rendering d1 types (object format list, mostly)

use MediaType from v2.SystemMetadata and v2.ObjectFormat to better determine mime-type, charset and filename for the get() method. https://redmine.dataone.org/issues/3309

Fixed a bug that two columns were missing in the sql command.

Add the code to read/write the new system metadata fields - file name, media type and media type properties into the db tables.

Add code to update smmediatypeproperties table.

Throw an exception if the saving system metadata fails.

Add the code to roll back the saved system metadata if the object can't be saved.

Don't use ssClient as a class field. Now it is a local variable. This fixed an issue that two statements using the client caused the exception - java.net.SocketTimeoutException: Read timed out.