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/* -*- 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/document/XExtendedFilterDetection.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <comphelper/storagehelper.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <sot/storage.hxx>
using namespace ::com::sun::star;
/// File format detection service for DOCX.
class WriterFilterDetection : public cppu::WeakImplHelper
<
document::XExtendedFilterDetection,
lang::XServiceInfo
>
{
public:
explicit WriterFilterDetection();
//XExtendedFilterDetection
OUString SAL_CALL detect(uno::Sequence<beans::PropertyValue>& Descriptor) throw (uno::RuntimeException, std::exception) override;
// XServiceInfo
OUString SAL_CALL getImplementationName() throw (uno::RuntimeException, std::exception) override;
sal_Bool SAL_CALL supportsService(const OUString& rServiceName) throw (uno::RuntimeException, std::exception) override;
uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() throw (uno::RuntimeException, std::exception) override;
};
/// @throws uno::RuntimeException
uno::Sequence<OUString> SAL_CALL WriterFilterDetection_getSupportedServiceNames() throw (uno::RuntimeException);
WriterFilterDetection::WriterFilterDetection() = default;
OUString WriterFilterDetection::detect(uno::Sequence<beans::PropertyValue>& rDescriptor) throw (uno::RuntimeException, std::exception)
{
OUString sTypeName;
bool bWord = false;
sal_Int32 nPropertyCount = rDescriptor.getLength();
const beans::PropertyValue* pValues = rDescriptor.getConstArray();
OUString sURL;
uno::Reference<io::XStream> xStream;
uno::Reference<io::XInputStream> xInputStream;
for (sal_Int32 nProperty = 0; nProperty < nPropertyCount; ++nProperty)
{
if (pValues[nProperty].Name == "TypeName")
rDescriptor[nProperty].Value >>= sTypeName;
else if (pValues[nProperty].Name == "URL")
pValues[nProperty].Value >>= sURL;
else if (pValues[nProperty].Name == "Stream")
pValues[nProperty].Value >>= xStream;
else if (pValues[nProperty].Name == "InputStream")
pValues[nProperty].Value >>= xInputStream;
}
try
{
uno::Reference<embed::XStorage> xDocStorage;
if (sURL == "private:stream")
xDocStorage = comphelper::OStorageHelper::GetStorageFromInputStream(xInputStream);
else
xDocStorage = comphelper::OStorageHelper::GetStorageFromURL(sURL, embed::ElementModes::READ);
if (xDocStorage.is())
{
uno::Sequence<OUString> aNames = xDocStorage->getElementNames();
const OUString* pNames = aNames.getConstArray();
for (sal_Int32 nName = 0; nName < aNames.getLength(); ++nName)
{
if (pNames[nName] == "word")
{
bWord = true;
if (sTypeName.isEmpty())
sTypeName = "writer_MS_Word_2007";
break;
}
}
}
}
catch (const uno::Exception&)
{
SAL_WARN("writerfilter", "exception while opening storage");
}
if (!bWord)
sTypeName.clear();
return sTypeName;
}
uno::Sequence<OUString> WriterFilterDetection_getSupportedServiceNames() throw (uno::RuntimeException)
{
uno::Sequence<OUString> aRet =
{
OUString("com.sun.star.document.ExtendedTypeDetection")
};
return aRet;
}
OUString WriterFilterDetection::getImplementationName() throw (uno::RuntimeException, std::exception)
{
return OUString("com.sun.star.comp.Writer.WriterFilterDetector");
}
sal_Bool WriterFilterDetection::supportsService(const OUString& rServiceName) throw (uno::RuntimeException, std::exception)
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence<OUString> WriterFilterDetection::getSupportedServiceNames() throw (uno::RuntimeException, std::exception)
{
return WriterFilterDetection_getSupportedServiceNames();
}
extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface* SAL_CALL com_sun_star_comp_Writer_WriterFilterDetector_get_implementation(uno::XComponentContext* /*pComp*/, uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new WriterFilterDetection);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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