1 files changed, 144 insertions, 0 deletions
diff --git a/package/source/xstor/oseekinstream.cxx b/package/source/xstor/oseekinstream.cxx
new file mode 100644
index 000000000..f5e3d644d
--- /dev/null
+++ b/package/source/xstor/oseekinstream.cxx
@@ -0,0 +1,144 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/lang/DisposedException.hpp>
+#include <cppuhelper/typeprovider.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+
+#include "oseekinstream.hxx"
+#include "owriteablestream.hxx"
+
+using namespace ::com::sun::star;
+
+OInputSeekStream::OInputSeekStream( OWriteStream_Impl& pImpl,
+                                    uno::Reference < io::XInputStream > const & xStream,
+                                    const uno::Sequence< beans::PropertyValue >& aProps,
+                                    sal_Int32 nStorageType )
+: OInputCompStream( pImpl, xStream, aProps, nStorageType )
+{
+    m_xSeekable.set( m_xStream, uno::UNO_QUERY );
+    OSL_ENSURE( m_xSeekable.is(), "No seeking support!" );
+}
+
+OInputSeekStream::OInputSeekStream( uno::Reference < io::XInputStream > const & xStream,
+                                    const uno::Sequence< beans::PropertyValue >& aProps,
+                                    sal_Int32 nStorageType )
+: OInputCompStream( xStream, aProps, nStorageType )
+{
+    m_xSeekable.set( m_xStream, uno::UNO_QUERY );
+    OSL_ENSURE( m_xSeekable.is(), "No seeking support!" );
+}
+
+OInputSeekStream::~OInputSeekStream()
+{
+}
+
+uno::Sequence< uno::Type > SAL_CALL OInputSeekStream::getTypes()
+{
+    static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XSeekable>::get(),
+                                                   OInputCompStream::getTypes());
+
+    return aTypeCollection.getTypes();
+}
+
+uno::Any SAL_CALL OInputSeekStream::queryInterface( const uno::Type& rType )
+{
+    // 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() )
+    {
+        return aReturn ;
+    }
+
+    return OInputCompStream::queryInterface( rType ) ;
+}
+
+void SAL_CALL OInputSeekStream::acquire()
+        noexcept
+{
+    OInputCompStream::acquire();
+}
+
+void SAL_CALL OInputSeekStream::release()
+        noexcept
+{
+    OInputCompStream::release();
+}
+
+void SAL_CALL OInputSeekStream::seek( sal_Int64 location )
+{
+    ::osl::MutexGuard aGuard( m_xMutex->GetMutex() );
+    if ( m_bDisposed )
+    {
+        SAL_INFO("package.xstor", "Disposed!");
+        throw lang::DisposedException();
+    }
+
+    if ( !m_xSeekable.is() )
+    {
+        SAL_INFO("package.xstor", "No seekable!");
+        throw uno::RuntimeException();
+    }
+
+    m_xSeekable->seek( location );
+}
+
+sal_Int64 SAL_CALL OInputSeekStream::getPosition()
+{
+    ::osl::MutexGuard aGuard( m_xMutex->GetMutex() );
+    if ( m_bDisposed )
+    {
+        SAL_INFO("package.xstor", "Disposed!");
+        throw lang::DisposedException();
+    }
+
+    if ( !m_xSeekable.is() )
+    {
+        SAL_INFO("package.xstor", "No seekable!");
+        throw uno::RuntimeException();
+    }
+
+    return m_xSeekable->getPosition();
+}
+
+sal_Int64 SAL_CALL OInputSeekStream::getLength()
+{
+    ::osl::MutexGuard aGuard( m_xMutex->GetMutex() );
+    if ( m_bDisposed )
+    {
+        SAL_INFO("package.xstor", "Disposed!");
+        throw lang::DisposedException();
+    }
+
+    if ( !m_xSeekable.is() )
+    {
+        SAL_INFO("package.xstor", "No seekable!");
+        throw uno::RuntimeException();
+    }
+
+    return m_xSeekable->getLength();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */