INTEGRATION: CWS mav05 (1.1.2); FILE ADDED

2003/07/22 15:00:28 mav 1.1.2.3: #i15929# streams should not use refcounting internally
2003/06/25 07:52:20 mav 1.1.2.2: #i15929# provide properties for substreams
2003/06/23 10:49:24 mav 1.1.2.1: #i15929# new storage implementation

1 files changed, 209 insertions, 0 deletions

diff --git a/package/source/xstor/oseekinstream.cxx b/package/source/xstor/oseekinstream.cxx
new file mode 100644
index 000000000000..bf3293827ba7
--- /dev/null
+++ b/package/source/xstor/oseekinstream.cxx
@@ -0,0 +1,209 @@
+/*************************************************************************
+ *
+ *  $RCSfile: oseekinstream.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: kz $ $Date: 2003-09-11 10:15:03 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 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
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
+#include <com/sun/star/lang/DisposedException.hpp>
+#endif
+
+#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
+#include <cppuhelper/typeprovider.hxx>
+#endif
+
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+
+#include "oseekinstream.hxx"
+#include "owriteablestream.hxx"
+
+using namespace ::com::sun::star;
+
+OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
+                                    uno::Reference < io::XStream > xStream,
+                                    const uno::Sequence< beans::PropertyValue >& aProps )
+: OInputCompStream( pImpl )
+{
+    OSL_ENSURE( xStream.is(), "No stream is provided!\n" );
+
+    if ( xStream.is() )
+    {
+        m_xStream = xStream->getInputStream();
+        m_xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
+
+        OSL_ENSURE( m_xStream.is(), "No input stream is provided!\n" );
+        OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
+    }
+
+    m_aProperties = aProps;
+}
+
+OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
+                                    uno::Reference < io::XInputStream > xStream,
+                                    const uno::Sequence< beans::PropertyValue >& aProps )
+: OInputCompStream( pImpl, xStream, aProps )
+{
+    if ( m_xStream.is() )
+    {
+        m_xSeekable = uno::Reference< io::XSeekable >( m_xStream, uno::UNO_QUERY );
+        OSL_ENSURE( m_xSeekable.is(), "No seeking support!\n" );
+    }
+}
+
+OInputSeekStream::~OInputSeekStream()
+{
+}
+
+uno::Sequence< uno::Type > SAL_CALL OInputSeekStream::getTypes()
+        throw ( uno::RuntimeException )
+{
+    static ::cppu::OTypeCollection* pTypeCollection = NULL ;
+
+    if ( pTypeCollection == NULL )
+    {
+        ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() ) ;
+
+        if ( pTypeCollection == NULL )
+        {
+            static ::cppu::OTypeCollection aTypeCollection(
+                    ::getCppuType(( const uno::Reference< io::XSeekable >* )NULL ),
+                    OInputCompStream::getTypes() );
+
+            pTypeCollection = &aTypeCollection ;
+        }
+    }
+
+    return pTypeCollection->getTypes() ;
+
+}
+
+uno::Any SAL_CALL OInputSeekStream::queryInterface( const uno::Type& rType )
+        throw( uno::RuntimeException )
+{
+    // Attention:
+    //  Don't use mutex or guard in this method!!! Is a method of XInterface.
+
+    uno::Any aReturn( ::cppu::queryInterface( rType,
+                                           static_cast< io::XSeekable* >( this ) ) );
+
+    if ( aReturn.hasValue() == sal_True )
+    {
+        return aReturn ;
+    }
+
+    return OInputCompStream::queryInterface( rType ) ;
+}
+
+void SAL_CALL OInputSeekStream::acquire()
+        throw()
+{
+    OInputCompStream::acquire();
+}
+
+void SAL_CALL OInputSeekStream::release()
+        throw()
+{
+    OInputCompStream::release();
+}
+
+
+void SAL_CALL OInputSeekStream::seek( sal_Int64 location )
+        throw ( lang::IllegalArgumentException,
+                io::IOException,
+                uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
+    if ( !m_pImpl )
+        throw lang::DisposedException();
+
+    if ( !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    m_xSeekable->seek( location );
+}
+
+sal_Int64 SAL_CALL OInputSeekStream::getPosition()
+        throw ( io::IOException,
+                uno::RuntimeException)
+{
+    ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
+    if ( !m_pImpl )
+        throw lang::DisposedException();
+
+    if ( !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    return m_xSeekable->getPosition();
+}
+
+sal_Int64 SAL_CALL OInputSeekStream::getLength()
+        throw ( io::IOException,
+                uno::RuntimeException )
+{
+    ::osl::MutexGuard aGuard( m_rMutexRef->GetMutex() );
+    if ( !m_pImpl )
+        throw lang::DisposedException();
+
+    if ( !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    return m_xSeekable->getLength();
+}
+