Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/package/source/xstor/selfterminatefilestream.cxx b/package/source/xstor/selfterminatefilestream.cxx
new file mode 100644
index 000000000..9ee3673ff
--- /dev/null
+++ b/package/source/xstor/selfterminatefilestream.cxx
@@ -0,0 +1,105 @@
+/* -*- 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/ucb/SimpleFileAccess.hpp>
+
+#include "selfterminatefilestream.hxx"
+#include <comphelper/processfactory.hxx>
+
+using namespace ::com::sun::star;
+
+OSelfTerminateFileStream::OSelfTerminateFileStream( const uno::Reference< uno::XComponentContext >& xContext, const OUString& aURL )
+: m_aURL( aURL )
+{
+    uno::Reference< uno::XComponentContext > xOwnContext = xContext;
+    if ( !xOwnContext.is() )
+        xOwnContext.set( ::comphelper::getProcessComponentContext(), uno::UNO_SET_THROW );
+
+    // IMPORTANT: The implementation is based on idea that m_xFileAccess, m_xInputStream and m_xSeekable are always set
+    // otherwise an exception is thrown in constructor
+
+    m_xFileAccess.set( ucb::SimpleFileAccess::create(xOwnContext) );
+
+    m_xInputStream.set( m_xFileAccess->openFileRead( aURL ), uno::UNO_SET_THROW );
+    m_xSeekable.set( m_xInputStream, uno::UNO_QUERY_THROW );
+}
+
+OSelfTerminateFileStream::~OSelfTerminateFileStream()
+{
+    CloseStreamDeleteFile();
+}
+
+void OSelfTerminateFileStream::CloseStreamDeleteFile()
+{
+    try
+    {
+        m_xInputStream->closeInput();
+    }
+    catch( uno::Exception& )
+    {}
+
+    try
+    {
+        m_xFileAccess->kill( m_aURL );
+    }
+    catch( uno::Exception& )
+    {}
+}
+
+sal_Int32 SAL_CALL OSelfTerminateFileStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
+{
+    return m_xInputStream->readBytes( aData, nBytesToRead );
+}
+
+sal_Int32 SAL_CALL OSelfTerminateFileStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
+{
+    return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
+}
+
+void SAL_CALL OSelfTerminateFileStream::skipBytes( sal_Int32 nBytesToSkip )
+{
+    return m_xInputStream->skipBytes( nBytesToSkip );
+}
+
+sal_Int32 SAL_CALL OSelfTerminateFileStream::available(  )
+{
+    return m_xInputStream->available();
+}
+
+void SAL_CALL OSelfTerminateFileStream::closeInput(  )
+{
+    CloseStreamDeleteFile();
+}
+
+void SAL_CALL OSelfTerminateFileStream::seek( sal_Int64 location )
+{
+    m_xSeekable->seek( location );
+}
+
+sal_Int64 SAL_CALL OSelfTerminateFileStream::getPosition()
+{
+    return m_xSeekable->getPosition();
+}
+
+sal_Int64 SAL_CALL OSelfTerminateFileStream::getLength()
+{
+    return m_xSeekable->getLength();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */