INTEGRATION: CWS dba24c (1.1.2); FILE ADDED

2007/11/16 20:01:48 fs 1.1.2.3: #i10000# (thanks to pjanik pointing out)
2007/10/16 06:42:28 fs 1.1.2.2: #i10000#
2007/10/15 13:30:23 fs 1.1.2.1: #i82222# dedicated class for holding a global reference to an JNI object

1 files changed, 130 insertions, 0 deletions

diff --git a/connectivity/source/inc/java/GlobalRef.hxx b/connectivity/source/inc/java/GlobalRef.hxx
new file mode 100644
index 000000000000..1f293984311f
--- /dev/null
+++ b/connectivity/source/inc/java/GlobalRef.hxx
@@ -0,0 +1,130 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: GlobalRef.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: ihi $ $Date: 2007-11-21 15:06:54 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#ifndef CONNECTIVITY_GLOBALREF_HXX
+#define CONNECTIVITY_GLOBALREF_HXX
+
+#include "java/LocalRef.hxx"
+#include "java/lang/Object.hxx"
+
+/** === begin UNO includes === **/
+/** === end UNO includes === **/
+
+#include <jvmaccess/virtualmachine.hxx>
+
+//........................................................................
+namespace connectivity { namespace jdbc
+{
+//........................................................................
+
+    //====================================================================
+    //= GlobalRef
+    //====================================================================
+    /** helper class to hold a local ref to a JNI object
+    */
+    template< typename T >
+    class GlobalRef
+    {
+    public:
+        GlobalRef()
+            :m_object( NULL )
+        {
+        }
+
+        GlobalRef( const GlobalRef& _source )
+            :m_object( NULL )
+        {
+            *this = _source;
+        }
+
+        GlobalRef& operator=( const GlobalRef& _source )
+        {
+            if ( &_source == this )
+                return *this;
+
+            SDBThreadAttach t;
+            set( t.env(), _source.get() );
+            return *this;
+        }
+
+        ~GlobalRef()
+        {
+            reset();
+        }
+
+        void reset()
+        {
+            if ( m_object != NULL )
+            {
+                SDBThreadAttach t;
+                t.env().DeleteGlobalRef( m_object );
+                m_object = NULL;
+            }
+        }
+
+        void set( JNIEnv& _environment, T _object )
+        {
+            if ( m_object != NULL )
+                _environment.DeleteGlobalRef( m_object );
+            m_object = _object;
+            if ( m_object )
+                m_object = static_cast< T >( _environment.NewGlobalRef( m_object ) );
+        }
+
+        void set( LocalRef< T >& _object )
+        {
+            set( _object.env(), _object.release() );
+        }
+
+        T get() const
+        {
+            return m_object;
+        }
+
+        bool is() const
+        {
+            return m_object != NULL;
+        }
+
+    private:
+        T   m_object;
+    };
+
+
+//........................................................................
+} } // namespace connectivity::jdbc
+//........................................................................
+
+#endif // CONNECTIVITY_GLOBALREF_HXX