Metacat

Add a test base class.

Add a class to repsent the enabled engine list.

use ContentTypeInputStream interface (and ByteArray implementation) to specify the desired content-type of the InputStream returned by MN.query().

Remove the code to throw an exception if the subjects is null in the query method.

changed the xpath to get solr_spec_version.

Add the getIndexFields and getValidIndexFields methods.

Add getSolrSpecVersion method for the HttpServer and the controller.

Imeplement the getSolrVersion, getSchemaField and getValidSchemaFields for the EmbeddedSolrServer.

move SolrQueryResponseTransformer and SolrQueryReponseWriterFactory to the query package.

Move it to the query package.