Refactor PlatformResources Controller

opendcs-rest-api/src/main/java/org/opendcs/odcsapi/dao/DbException.java

@@ -32,4 +32,9 @@ public DbException(String message, Exception cause)
 	{
 		super(message, cause);
 	}
+
+	public DbException(String message)
+	{
+		super(message);
+	}
 }

opendcs-rest-api/src/main/java/org/opendcs/odcsapi/res/OpenDcsResource.java

@@ -22,7 +22,10 @@
 import javax.ws.rs.core.Context;
 
 import decodes.cwms.CwmsDatabaseProvider;
+import decodes.db.Database;
 import decodes.db.DatabaseException;
+import decodes.db.DatabaseIO;
+import decodes.tsdb.TimeSeriesDb;
 import decodes.util.DecodesSettings;
 import opendcs.opentsdb.OpenTsdbProvider;
 import org.opendcs.database.DatabaseService;
@@ -81,7 +84,18 @@ final OpenDcsDatabase createDb()
 			{
 				throw new IllegalStateException("Error connecting to the database via JNDI", ex);
 			}
-//			throw new IllegalStateException("Error connecting to the database via JNDI", e);
 		}
 	}
+
+	DatabaseIO getLegacyDatabase()
+	{
+		return createDb().getLegacyDatabase(Database.class).map(Database::getDbIo)
+				.orElseThrow(() -> new UnsupportedOperationException("Endpoint is unsupported by the OpenDCS REST API."));
+	}
+
+	TimeSeriesDb getLegacyTimeseriesDB()
+	{
+		return createDb().getLegacyDatabase(TimeSeriesDb.class)
+				.orElseThrow(() -> new UnsupportedOperationException("Endpoint is unsupported by the OpenDCS REST API."));
+	}
 }