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