Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <com/sun/star/document/XExtendedFilterDetection.hpp>
      21             : #include <com/sun/star/lang/XServiceInfo.hpp>
      22             : #include <comphelper/storagehelper.hxx>
      23             : #include <cppuhelper/implbase.hxx>
      24             : #include <cppuhelper/supportsservice.hxx>
      25             : #include <sot/storage.hxx>
      26             : 
      27             : using namespace ::com::sun::star;
      28             : 
      29             : /// File format detection service for DOCX.
      30             : class WriterFilterDetection : public cppu::WeakImplHelper
      31             :     <
      32             :     document::XExtendedFilterDetection,
      33             :     lang::XServiceInfo
      34             :     >
      35             : {
      36             :     uno::Reference<uno::XComponentContext> m_xContext;
      37             : 
      38             : public:
      39             :     explicit WriterFilterDetection(const uno::Reference<uno::XComponentContext>& rxContext);
      40             :     virtual ~WriterFilterDetection();
      41             : 
      42             :     //XExtendedFilterDetection
      43             :     virtual OUString SAL_CALL detect(uno::Sequence<beans::PropertyValue>& Descriptor) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      44             : 
      45             :     // XServiceInfo
      46             :     virtual OUString SAL_CALL getImplementationName() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      47             :     virtual sal_Bool SAL_CALL supportsService(const OUString& rServiceName) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      48             :     virtual uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      49             : };
      50             : 
      51             : uno::Sequence<OUString> SAL_CALL WriterFilterDetection_getSupportedServiceNames() throw (uno::RuntimeException);
      52             : 
      53           1 : WriterFilterDetection::WriterFilterDetection(const uno::Reference<uno::XComponentContext>& rxContext)
      54           1 :     : m_xContext(rxContext)
      55             : {
      56           1 : }
      57             : 
      58           2 : WriterFilterDetection::~WriterFilterDetection()
      59             : {
      60           2 : }
      61             : 
      62           0 : OUString WriterFilterDetection::detect(uno::Sequence<beans::PropertyValue>& rDescriptor) throw (uno::RuntimeException, std::exception)
      63             : {
      64           0 :     OUString sTypeName;
      65           0 :     bool bWord = false;
      66           0 :     sal_Int32 nPropertyCount = rDescriptor.getLength();
      67           0 :     const beans::PropertyValue* pValues = rDescriptor.getConstArray();
      68           0 :     OUString sURL;
      69           0 :     uno::Reference<io::XStream> xStream;
      70           0 :     uno::Reference<io::XInputStream> xInputStream;
      71           0 :     for (sal_Int32 nProperty = 0; nProperty < nPropertyCount; ++nProperty)
      72             :     {
      73           0 :         if (pValues[nProperty].Name == "TypeName")
      74           0 :             rDescriptor[nProperty].Value >>= sTypeName;
      75           0 :         else if (pValues[nProperty].Name == "URL")
      76           0 :             pValues[nProperty].Value >>= sURL;
      77           0 :         else if (pValues[nProperty].Name == "Stream")
      78           0 :             pValues[nProperty].Value >>= xStream;
      79           0 :         else if (pValues[nProperty].Name == "InputStream")
      80           0 :             pValues[nProperty].Value >>= xInputStream;
      81             :     }
      82             :     try
      83             :     {
      84           0 :         uno::Reference<embed::XStorage> xDocStorage;
      85           0 :         if (sURL == "private:stream")
      86           0 :             xDocStorage = comphelper::OStorageHelper::GetStorageFromInputStream(xInputStream);
      87             :         else
      88           0 :             xDocStorage = comphelper::OStorageHelper::GetStorageFromURL(sURL, embed::ElementModes::READ);
      89           0 :         if (xDocStorage.is())
      90             :         {
      91           0 :             uno::Sequence<OUString> aNames = xDocStorage->getElementNames();
      92           0 :             const OUString* pNames = aNames.getConstArray();
      93           0 :             for (sal_Int32 nName = 0; nName < aNames.getLength(); ++nName)
      94             :             {
      95           0 :                 if (pNames[nName] == "word")
      96             :                 {
      97           0 :                     bWord = true;
      98           0 :                     if (sTypeName.isEmpty())
      99           0 :                         sTypeName = "writer_MS_Word_2007";
     100           0 :                     break;
     101             :                 }
     102           0 :             }
     103           0 :         }
     104             :     }
     105           0 :     catch (const uno::Exception&)
     106             :     {
     107             :         SAL_WARN("writerfilter", "exception while opening storage");
     108             :     }
     109           0 :     if (!bWord)
     110           0 :         sTypeName.clear();
     111           0 :     return sTypeName;
     112             : }
     113             : 
     114           1 : uno::Sequence<OUString> WriterFilterDetection_getSupportedServiceNames() throw (uno::RuntimeException)
     115             : {
     116             :     uno::Sequence<OUString> aRet =
     117             :     {
     118             :         OUString("com.sun.star.document.ExtendedTypeDetection")
     119           1 :     };
     120           1 :     return aRet;
     121             : }
     122             : 
     123           1 : OUString WriterFilterDetection::getImplementationName() throw (uno::RuntimeException, std::exception)
     124             : {
     125           1 :     return OUString("com.sun.star.comp.Writer.WriterFilterDetector");
     126             : }
     127             : 
     128           0 : sal_Bool WriterFilterDetection::supportsService(const OUString& rServiceName) throw (uno::RuntimeException, std::exception)
     129             : {
     130           0 :     return cppu::supportsService(this, rServiceName);
     131             : }
     132             : 
     133           1 : uno::Sequence<OUString> WriterFilterDetection::getSupportedServiceNames() throw (uno::RuntimeException, std::exception)
     134             : {
     135           1 :     return WriterFilterDetection_getSupportedServiceNames();
     136             : }
     137             : 
     138           1 : 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&)
     139             : {
     140           1 :     return cppu::acquire(new WriterFilterDetection(pComp));
     141             : }
     142             : 
     143             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */