forms/source/xforms/submission/replace.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 <memory>
  21 #include "submission.hxx"
  22 #include "serialization_app_xml.hxx"
  23
  24 #include <osl/diagnose.h>
  25 #include <rtl/ustring.hxx>
  26 #include <rtl/string.hxx>
  27
  28 #include <comphelper/processfactory.hxx>
  29 #include <com/sun/star/uno/Reference.hxx>
  30 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  31 #include <com/sun/star/xml/dom/XDocument.hpp>
  32 #include <com/sun/star/xml/dom/DocumentBuilder.hpp>
  33 #include <com/sun/star/frame/Desktop.hpp>
  34 #include <com/sun/star/frame/XComponentLoader.hpp>
  35 #include <com/sun/star/frame/FrameSearchFlag.hpp>
  36 #include <com/sun/star/beans/PropertyValue.hpp>
  37 #include <com/sun/star/task/InteractionHandler.hpp>
  38 #include <ucbhelper/content.hxx>
  39
  40 using namespace com::sun::star::uno;
  41 using namespace com::sun::star::ucb;
  42 using namespace com::sun::star::frame;
  43 using namespace com::sun::star::lang;
  44 using namespace com::sun::star::beans;
  45 using namespace com::sun::star::task;
  46 using namespace com::sun::star::xml::dom;
  47
  48 CSubmission::SubmissionResult CSubmission::replace(const OUString& aReplace, const Reference<XDocument>& aDocument, const Reference<XFrame>& aFrame)
  49 {
  50     if (!m_aResultStream.is())
  51         return CSubmission::UNKNOWN_ERROR;
  52
  53     try {
  54         Reference< XComponentContext > xContext = comphelper::getProcessComponentContext();
  55         if (aReplace.equalsIgnoreAsciiCase("all")
  56          || aReplace.equalsIgnoreAsciiCase("document")) {
  57             Reference< XComponentLoader > xLoader;
  58             if (aFrame.is())
  59                 xLoader = Reference< XComponentLoader >(aFrame, UNO_QUERY);
  60
  61             if (!xLoader.is())
  62                 xLoader = Reference< XComponentLoader >( Desktop::create(xContext), UNO_QUERY_THROW);
  63
  64             // open the stream from the result...
  65             // build media descriptor
  66             Sequence< PropertyValue > descriptor(2);
  67             descriptor[0] = PropertyValue(OUString("InputStream"),
  68                 -1, makeAny(m_aResultStream), PropertyState_DIRECT_VALUE);
  69             descriptor[1] = PropertyValue(OUString("ReadOnly"),
  70                 -1, makeAny(sal_True), PropertyState_DIRECT_VALUE);
  71
  72             OUString aURL = m_aURLObj.GetMainURL(INetURLObject::NO_DECODE);
  73             OUString aTarget = "_default";
  74             xLoader->loadComponentFromURL(aURL, aTarget, FrameSearchFlag::ALL, descriptor);
  75
  76             return CSubmission::SUCCESS;
  77
  78         } else if (aReplace.equalsIgnoreAsciiCase("instance")) {
  79             if (aDocument.is()) {
  80                 // parse the result stream into a new document
  81                 Reference< XDocumentBuilder > xBuilder(DocumentBuilder::create(xContext));
  82                 Reference< XDocument > aNewDocument = xBuilder->parse(m_aResultStream);
  83
  84                 if (aNewDocument.is()) {
  85                     // and replace the content of the current instance
  86                     Reference< XElement > oldRoot = aDocument->getDocumentElement();
  87                     Reference< XElement > newRoot = aNewDocument->getDocumentElement();
  88
  89                     Reference< XNode > aImportedNode = aDocument->importNode(newRoot, sal_True);
  90                     aDocument->replaceChild(aImportedNode, oldRoot);
  91                     return CSubmission::SUCCESS;
  92                 } else {
  93                     return CSubmission::UNKNOWN_ERROR;
  94                 }
  95             } else {
  96                 // nothing to replace
  97                 return CSubmission::UNKNOWN_ERROR;
  98             }
  99         } else if (aReplace.equalsIgnoreAsciiCase("none")) {
 100             // do nothing \o/
 101             return CSubmission::SUCCESS;
 102         }
 103     } catch (const Exception& e) {
 104         OString aMsg("Exception during replace:\n");
 105         aMsg += OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8);
 106         OSL_FAIL(aMsg.getStr());
 107     }
 108     return CSubmission::UNKNOWN_ERROR;
 109 }
 110
 111 ::std::unique_ptr< CSerialization > CSubmission::createSerialization(const Reference< XInteractionHandler >& _xHandler,Reference<XCommandEnvironment>& _rOutEnv)
 112 {
 113     // PUT always uses application/xml
 114     ::std::unique_ptr< CSerialization > apSerialization(new CSerializationAppXML());
 115     apSerialization->setSource(m_aFragment);
 116     apSerialization->serialize();
 117
 118     // create a commandEnvironment and use the default interaction handler
 119     CCommandEnvironmentHelper *pHelper = new CCommandEnvironmentHelper;
 120     if( _xHandler.is() )
 121         pHelper->m_aInteractionHandler = _xHandler;
 122     else
 123         pHelper->m_aInteractionHandler.set(
 124             InteractionHandler::createWithParent(m_xContext, 0), UNO_QUERY_THROW);
 125
 126     CProgressHandlerHelper *pProgressHelper = new CProgressHandlerHelper;
 127     pHelper->m_aProgressHandler = Reference< XProgressHandler >(pProgressHelper);
 128
 129     // UCB has ownership of environment...
 130     _rOutEnv = pHelper;
 131     return apSerialization;
 132 }
 133
 134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */