framework/source/xml/imagesconfiguration.cxx

   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 <xml/imagesconfiguration.hxx>
  21 #include <services.h>
  22
  23 #include <xml/imagesdocumenthandler.hxx>
  24 #include <xml/saxnamespacefilter.hxx>
  25
  26 #include <com/sun/star/xml/sax/Parser.hpp>
  27 #include <com/sun/star/xml/sax/Writer.hpp>
  28 #include <com/sun/star/xml/sax/SAXException.hpp>
  29 #include <com/sun/star/io/IOException.hpp>
  30 #include <com/sun/star/io/XActiveDataSource.hpp>
  31 #include <com/sun/star/io/XInputStream.hpp>
  32 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  33
  34 #include <unotools/streamwrap.hxx>
  35
  36 using namespace ::com::sun::star::uno;
  37 using namespace ::com::sun::star::xml::sax;
  38 using namespace ::com::sun::star::lang;
  39 using namespace ::com::sun::star::io;
  40
  41 namespace framework
  42 {
  43
  44 bool ImagesConfiguration::LoadImages(
  45     const css::uno::Reference< css::uno::XComponentContext >& rxContext,
  46     const css::uno::Reference< css::io::XInputStream >& rInputStream,
  47     ImageItemDescriptorList& rItems )
  48 {
  49     Reference< XParser > xParser = Parser::create( rxContext );
  50
  51     // connect stream to input stream to the parser
  52     InputSource aInputSource;
  53
  54     aInputSource.aInputStream = rInputStream;
  55
  56     // create namespace filter and set document handler inside to support xml namespaces
  57     Reference< XDocumentHandler > xDocHandler( new OReadImagesDocumentHandler( rItems ));
  58     Reference< XDocumentHandler > xFilter( new SaxNamespaceFilter( xDocHandler ));
  59
  60     // connect parser and filter
  61     xParser->setDocumentHandler( xFilter );
  62
  63     try
  64     {
  65         xParser->parseStream( aInputSource );
  66         return true;
  67     }
  68     catch ( const RuntimeException& )
  69     {
  70         return false;
  71     }
  72     catch( const SAXException& )
  73     {
  74         return false;
  75     }
  76     catch( const css::io::IOException& )
  77     {
  78         return false;
  79     }
  80 }
  81
  82 bool ImagesConfiguration::StoreImages(
  83     const css::uno::Reference< css::uno::XComponentContext >& rxContext,
  84     const css::uno::Reference< css::io::XOutputStream >& rOutputStream,
  85     const ImageItemDescriptorList& rItems )
  86 {
  87     Reference< XWriter > xWriter = Writer::create(rxContext);
  88     xWriter->setOutputStream( rOutputStream );
  89
  90     try
  91     {
  92         OWriteImagesDocumentHandler aWriteImagesDocumentHandler( rItems, xWriter );
  93         aWriteImagesDocumentHandler.WriteImagesDocument();
  94         return true;
  95     }
  96     catch ( const RuntimeException& )
  97     {
  98         return false;
  99     }
 100     catch ( const SAXException& )
 101     {
 102         return false;
 103     }
 104     catch ( const css::io::IOException& )
 105     {
 106         return false;
 107     }
 108 }
 109
 110 }
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */