Remove dead and broken EmbeddedDatabases configuration

As found out in 98c0b20864af965c3bb99a32f8ea57be7402e534 "Make Firebird the
(unconditional) default for new databases":  "(Curiously,
ODsnTypeCollection::getEmbeddedDatabase would read a DefaultEmbeddedDatabase
value from the configuration before resorting to the hardcoded default, but
`git log -SDefaultEmbeddedDatabase` makes it look like there has never been any
code to actually write that setting.)"

Digging deeper, the story appears to be as follows:  First, "INTEGRATION: CWS
hsqldb" commits in 2004 had addded the EmbeddedDatabases group (and accompanying
templates) to officecfg/registry/schema/org/openoffice/Office/DataAccess.xcs
(ee11cb6373f6bbb28b1cdf57daa73465d030fda5), corresponding values (for HSQLDB)
to officecfg/registry/data/org/openoffice/Office/DataAccess.xcu
(60c5f0af740265ab81b620208205fe9e74be452f), and code to read those values
(lcl_getEmbeddedDatabase in dbaccess/source/ui/misc/dsntypes.cxx;
ODsnTypeCollection::getEmbeddedDatabaseURL et al in
dbaccess/source/ui/misc/dsntypes.cxx; all
a68938bc908c8f852912f3310d2f4bec779a3cea).  This looks like it actually worked.

Then, "INTEGRATION: CWS dba24b" commits in 2007 removed the EmbeddedDatabases
configuration data from
officecfg/registry/data/org/openoffice/Office/DataAccess.xcu
(473a3ccf63cc36ac3fa992dcb72d581496cb1bbf, "during #i80930#: The approach to
read the concrete type of the embedded DB from the configuration does not work,
there are enough places where we silently assume 'embedded == embedded HSQLDB'")
and removed the code reading it (79bbd382beb13a8f4031cc9b61332d0794878699), but
left the EmbeddedDatabases schema data in
officecfg/registry/schema/org/openoffice/Office/DataAccess.xcs untouched.

Then, b88a62cc97613e5dc00c806f59982cb57f9d1dc8 "CWS-TOOLING: integrate CWS
dbaperf2" in 2009 reintroduced code that attempts to read the configuration data
as ODsnTypeCollection::getEmbeddedDatabase
(dbaccess/source/core/misc/dsntypes.cxx).  The reason for that may be
"2009-05-06 14:22:21 +0200 oj  r271589 : #i101587# use config for the drivers"
as listed in the commit message.  The code added as
ODsnTypeCollection::getEmbeddedDatabase back then remained effectively unchanged
until today, but looks fundamentally broken:  It starts out with trying to read
an /org.openoffice.Office.DataAccess/EmbeddedDatabases/DefaultEmbeddedDatabase/
Value property that can never be present per the schema (an
/org.openoffice.Office.DataAccess/EmbeddedDatabases/DefaultEmbeddedDatabase
property could be); so no data is ever actually read from the configuration by
ODsnTypeCollection::getEmbeddedDatabase.  (And the commit also didn't add back
any configuration data to
officecfg/registry/data/org/openoffice/Office/DataAccess.xcu that could have
been read in the first place, nor any code to generate such data
programmatically.)

So remove the broken code to read configuration data from
ODsnTypeCollection::getEmbeddedDatabase (which means it can be a static member
function now) and also remove the obviously unused EmbeddedDatabases group (and
accompanying templates) from
officecfg/registry/schema/org/openoffice/Office/DataAccess.xcs.

Change-Id: Icc9b34075b9b7e960df6c236d3595b7fabe71f9d
Reviewed-on: https://gerrit.libreoffice.org/67494
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

3 files changed, 5 insertions, 23 deletions

diff --git a/dbaccess/source/core/misc/dsntypes.cxx b/dbaccess/source/core/misc/dsntypes.cxx
index aeca5a029655..ee394325d74c 100644
--- a/dbaccess/source/core/misc/dsntypes.cxx
+++ b/dbaccess/source/core/misc/dsntypes.cxx
@@ -282,27 +282,9 @@ bool ODsnTypeCollection::isEmbeddedDatabase( const OUString& _sURL )
     return _sURL.startsWith( "sdbc:embedded:" );
 }
 
-OUString ODsnTypeCollection::getEmbeddedDatabase() const
+OUString ODsnTypeCollection::getEmbeddedDatabase()
 {
-    OUString sEmbeddedDatabaseURL;
-    const ::utl::OConfigurationTreeRoot aInstalled = ::utl::OConfigurationTreeRoot::createWithComponentContext(m_xContext, "org.openoffice.Office.DataAccess", -1, ::utl::OConfigurationTreeRoot::CM_READONLY);
-    if ( aInstalled.isValid() )
-    {
-        if ( aInstalled.hasByName("EmbeddedDatabases/DefaultEmbeddedDatabase/Value") )
-        {
-            static const OUStringLiteral s_sValue = "EmbeddedDatabases/DefaultEmbeddedDatabase/Value";
-
-            aInstalled.getNodeValue(s_sValue) >>= sEmbeddedDatabaseURL;
-            if ( !sEmbeddedDatabaseURL.isEmpty() )
-                aInstalled.getNodeValue(s_sValue + "/" + sEmbeddedDatabaseURL + "/URL") >>= sEmbeddedDatabaseURL;
-        }
-    }
-    if ( sEmbeddedDatabaseURL.isEmpty() )
-    {
-        sEmbeddedDatabaseURL = "sdbc:embedded:firebird";
-    }
-
-    return sEmbeddedDatabaseURL;
+    return "sdbc:embedded:firebird";
 }
 
 
diff --git a/dbaccess/source/inc/dsntypes.hxx b/dbaccess/source/inc/dsntypes.hxx
index fe64a933d77e..8ce435285bfe 100644
--- a/dbaccess/source/inc/dsntypes.hxx
+++ b/dbaccess/source/inc/dsntypes.hxx
@@ -160,7 +160,7 @@ public:
     /// checks if the given data source type embeds its data into the database document
     static bool isEmbeddedDatabase( const OUString& _sURL );
 
-    OUString getEmbeddedDatabase() const;
+    static OUString getEmbeddedDatabase();
 
     // returns true when the properties dialog can be shown, otherwise false.
     static bool isShowPropertiesEnabled( const OUString& _sURL );
diff --git a/dbaccess/source/ui/dlg/generalpage.cxx b/dbaccess/source/ui/dlg/generalpage.cxx
index ba609c6a89b4..567b1a2d65ae 100644
--- a/dbaccess/source/ui/dlg/generalpage.cxx
+++ b/dbaccess/source/ui/dlg/generalpage.cxx
@@ -251,7 +251,7 @@ namespace dbaui
 
         if (m_pCollection && bValid)
         {
-            implSetCurrentType( m_pCollection->getEmbeddedDatabase() );
+            implSetCurrentType( dbaccess::ODsnTypeCollection::getEmbeddedDatabase() );
             sDisplayName = m_pCollection->getTypeDisplayName( m_eCurrentSelection );
         }
 
@@ -486,7 +486,7 @@ namespace dbaui
         get( m_pPB_OpenDatabase, "openDatabase" );
 
         // If no driver for embedded DBs is installed, and no dBase driver, then hide the "Create new database" option
-        sal_Int32 nCreateNewDBIndex = m_pCollection->getIndexOf( m_pCollection->getEmbeddedDatabase() );
+        sal_Int32 nCreateNewDBIndex = m_pCollection->getIndexOf( dbaccess::ODsnTypeCollection::getEmbeddedDatabase() );
         if ( nCreateNewDBIndex == -1 )
             nCreateNewDBIndex = m_pCollection->getIndexOf( "sdbc:dbase:" );
         bool bHideCreateNew = ( nCreateNewDBIndex == -1 );