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libreoffice/comphelper/source/misc/mediadescriptor.cxx
Kurt Zenker 30c4fcde2f INTEGRATION: CWS fwkpostbeta1 (1.8.18); FILE MERGED 
2005/02/17 20:25:35 abi 1.8.18.2: RESYNC: (1.8-1.9); FILE MERGED
2005/01/26 14:52:37 cd 1.8.18.1: #i40892# Added property viewonly
2005-03-21 12:45:27 +00:00

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/*************************************************************************
*
* $RCSfile: mediadescriptor.cxx,v $
*
* $Revision: 1.10 $
*
* last change: $Author: kz $ $Date: 2005-03-21 13:45:27 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _COMPHELPER_MEDIADESCRIPTOR_HXX_
#include <comphelper/mediadescriptor.hxx>
#endif
//_______________________________________________
// includes
#ifndef __COM_SUN_STAR_UCB_XCONTENT_HPP__
#include <com/sun/star/ucb/XContent.hpp>
#endif
#ifndef __COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HPP__
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#endif
#ifndef __COM_SUN_STAR_TASK_XINTERACTIONHANDLER_HPP__
#include <com/sun/star/task/XInteractionHandler.hpp>
#endif
#ifndef __COM_SUN_STAR_IO_XSTREAM_HPP__
#include <com/sun/star/io/XStream.hpp>
#endif
#ifndef __COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP__
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#endif
#ifndef __COM_SUN_STAR_UTIL_XURLTRANSFORMER_HPP__
#include <com/sun/star/util/XURLTransformer.hpp>
#endif
#ifndef __COM_SUN_STAR_UCB_INTERACTIVEIOEXCEPTION_HPP__
#include <com/sun/star/ucb/InteractiveIOException.hpp>
#endif
#ifndef __COM_SUN_STAR_UCB_UNSUPPORTEDDATASINKEXCEPTION_HPP__
#include <com/sun/star/ucb/UnsupportedDataSinkException.hpp>
#endif
#ifndef __COM_SUN_STAR_UCB_COMMANDFAILEDEXCEPTION_HPP__
#include <com/sun/star/ucb/CommandFailedException.hpp>
#endif
#ifndef __COM_SUN_STAR_TASK_XINTERACTIONABORT_HPP__
#include <com/sun/star/task/XInteractionAbort.hpp>
#endif
#ifndef __COM_SUN_STAR_URI_XURIREFERENCEFACTORY_HPP__
#include <com/sun/star/uri/XUriReferenceFactory.hpp>
#endif
#ifndef __COM_SUN_STAR_URI_XURIREFERENCE_HPP__
#include <com/sun/star/uri/XUriReference.hpp>
#endif
#ifndef _UCBHELPER_INTERCEPTEDINTERACTION_HXX_
#include <ucbhelper/interceptedinteraction.hxx>
#endif
#ifndef _UCBHELPER_CONTENT_HXX
#include <ucbhelper/content.hxx>
#endif
#ifndef _UCBHELPER_COMMANDENVIRONMENT_HXX
#include <ucbhelper/commandenvironment.hxx>
#endif
#ifndef _COMPHELPER_PROCESSFACTORY_HXX_
#include <comphelper/processfactory.hxx>
#endif
#if OSL_DEBUG_LEVEL>0
#ifndef _RTL_USTRBUF_HXX_
#include <rtl/ustrbuf.hxx>
#endif
#endif
//_______________________________________________
// namespace
namespace comphelper{
namespace css = ::com::sun::star;
//_______________________________________________
// definitions
/*-----------------------------------------------
10.03.2004 07:35
-----------------------------------------------*/
const ::rtl::OUString& MediaDescriptor::PROP_ASTEMPLATE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("AsTemplate"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_CHARACTERSET()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("CharacterSet"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_DEEPDETECTION()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("DeepDetection"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_DETECTSERVICE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("DetectService"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_DOCUMENTSERVICE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("DocumentService"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_EXTENSION()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Extension"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_FILENAME()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("FileName"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_FILTERNAME()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("FilterName"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_FILTEROPTIONS()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("FilterOptions"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_FORMAT()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Format"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_FRAMENAME()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("FrameName"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_HIDDEN()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Hidden"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_INPUTSTREAM()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("InputStream"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_INTERACTIONHANDLER()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("InteractionHandler"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_JUMPMARK()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("JumpMark"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_MACROEXECUTIONMODE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("MacroExecutionMode"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_MEDIATYPE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("MediaType"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_MINIMIZED()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Minimized"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_OPENNEWVIEW()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("OpenNewView"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_OUTPUTSTREAM()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("OutputStream"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_PATTERN()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Pattern"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_POSSIZE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("PosSize"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_POSTDATA()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("PostData"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_POSTSTRING()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("PostString"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_PREVIEW()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Preview"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_READONLY()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("ReadOnly"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_REFERRER()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Referer"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_SILENT()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Silent"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_STATUSINDICATOR()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("StatusIndicator"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_STREAM()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Stream"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_TEMPLATENAME()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("TemplateName"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_TEMPLATEREGIONNAME()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("TemplateRegionName"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_TYPENAME()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("TypeName"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_UCBCONTENT()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("UCBContent"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_UPDATEDOCMODE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("UpdateDocMode"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_URL()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("URL"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_VERSION()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Version"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_VIEWID()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("ViewId"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_REPAIRPACKAGE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("RepairPackage"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_DOCUMENTTITLE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("DocumentTitle"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_MODEL()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Model"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_PASSWORD()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Password"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_TITLE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("Title"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_SALVAGEDFILE()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("SalvagedFile"));
return sProp;
}
const ::rtl::OUString& MediaDescriptor::PROP_VIEWONLY()
{
static const ::rtl::OUString sProp(RTL_CONSTASCII_USTRINGPARAM("ViewOnly"));
return sProp;
}
/*-----------------------------------------------
10.03.2004 08:09
-----------------------------------------------*/
MediaDescriptor::MediaDescriptor()
: SequenceAsHashMap()
{
}
/*-----------------------------------------------
10.03.2004 08:09
-----------------------------------------------*/
MediaDescriptor::MediaDescriptor(const css::uno::Any& aSource)
: SequenceAsHashMap(aSource)
{
}
/*-----------------------------------------------
10.03.2004 08:09
-----------------------------------------------*/
MediaDescriptor::MediaDescriptor(const css::uno::Sequence< css::beans::PropertyValue >& lSource)
: SequenceAsHashMap(lSource)
{
}
/*-----------------------------------------------
10.03.2004 08:09
-----------------------------------------------*/
MediaDescriptor::MediaDescriptor(const css::uno::Sequence< css::beans::NamedValue >& lSource)
: SequenceAsHashMap(lSource)
{
}
/*-----------------------------------------------
18.11.2004 13:37
-----------------------------------------------*/
sal_Bool MediaDescriptor::isStreamReadOnly() const
{
static ::rtl::OUString CONTENTSCHEME_FILE = ::rtl::OUString::createFromAscii("file");
static ::rtl::OUString CONTENTPROP_ISREADONLY = ::rtl::OUString::createFromAscii("IsReadOnly");
static sal_Bool READONLY_FALLBACK = sal_False;
sal_Bool bReadOnly = READONLY_FALLBACK;
// check for explicit readonly state
const_iterator pIt = find(MediaDescriptor::PROP_READONLY());
if (pIt != end())
{
pIt->second >>= bReadOnly;
return bReadOnly;
}
// streams based on post data are readonly by definition
pIt = find(MediaDescriptor::PROP_POSTDATA());
if (pIt != end())
return sal_True;
// A XStream capsulate XInputStream and XOutputStream ...
// If it exists - the file must be open in read/write mode!
pIt = find(MediaDescriptor::PROP_STREAM());
if (pIt != end())
return sal_False;
// Only file system content provider is able to provide XStream
// so for this content impossibility to create XStream triggers
// switch to readonly mode.
try
{
css::uno::Reference< css::ucb::XContent > xContent = getUnpackedValueOrDefault(MediaDescriptor::PROP_UCBCONTENT(), css::uno::Reference< css::ucb::XContent >());
if (xContent.is())
{
css::uno::Reference< css::ucb::XContentIdentifier > xId(xContent->getIdentifier(), css::uno::UNO_QUERY);
::rtl::OUString aScheme;
if (xId.is())
aScheme = xId->getContentProviderScheme();
if (aScheme.equalsIgnoreAsciiCase(CONTENTSCHEME_FILE))
bReadOnly = sal_True;
else
{
::ucb::Content aContent(xContent, css::uno::Reference< css::ucb::XCommandEnvironment >());
aContent.getPropertyValue(CONTENTPROP_ISREADONLY) >>= bReadOnly;
}
}
}
catch(const css::uno::RuntimeException& exRun)
{ throw exRun; }
catch(const css::uno::Exception&)
{}
return bReadOnly;
}
/*-----------------------------------------------
10.03.2004 09:02
-----------------------------------------------*/
sal_Bool MediaDescriptor::addInputStream()
{
// check for an already existing stream item first
const_iterator pIt = find(MediaDescriptor::PROP_INPUTSTREAM());
if (pIt != end())
return sal_True;
try
{
// No stream available - create a new one
// a) data cames as PostData ...
pIt = find(MediaDescriptor::PROP_POSTDATA());
if (pIt != end())
{
const css::uno::Any& rPostData = pIt->second;
css::uno::Reference< css::io::XInputStream > xPostData;
rPostData >>= xPostData;
if (!xPostData.is())
throw css::uno::Exception(
::rtl::OUString::createFromAscii("Found invalid PostData."),
css::uno::Reference< css::uno::XInterface >());
return impl_openStreamWithPostData(xPostData);
}
// b) ... or we must get it from the given URL
::rtl::OUString sURL = getUnpackedValueOrDefault(MediaDescriptor::PROP_URL(), ::rtl::OUString());
if (!sURL.getLength())
throw css::uno::Exception(
::rtl::OUString::createFromAscii("Found no URL."),
css::uno::Reference< css::uno::XInterface >());
// Parse URL! Only the main part has to be used further. E.g. a jumpmark can make trouble
::rtl::OUString sNormalizedURL = impl_normalizeURL(sURL);
return impl_openStreamWithURL(sNormalizedURL);
}
#if OSL_DEBUG_LEVEL>0
catch(const css::uno::Exception& ex)
{
::rtl::OUStringBuffer sMsg(256);
sMsg.appendAscii("Invalid MediaDescriptor detected:\n");
sMsg.append (ex.Message );
OSL_ENSURE(sal_False, ::rtl::OUStringToOString(sMsg.makeStringAndClear(), RTL_TEXTENCODING_UTF8).getStr());
}
#else
catch(const css::uno::Exception&)
{}
#endif
return sal_False;
}
/*-----------------------------------------------
25.03.2004 12:38
-----------------------------------------------*/
sal_Bool MediaDescriptor::impl_openStreamWithPostData(const css::uno::Reference< css::io::XInputStream >& xPostData)
throw(::com::sun::star::uno::RuntimeException)
{
// PostData cant be used in read/write mode!
(*this)[MediaDescriptor::PROP_READONLY()] <<= sal_True;
::rtl::OUString sMediaType = getUnpackedValueOrDefault(MediaDescriptor::PROP_MEDIATYPE(), ::rtl::OUString());
if (!sMediaType.getLength())
{
sMediaType = ::rtl::OUString::createFromAscii("application/x-www-form-urlencoded");
(*this)[MediaDescriptor::PROP_MEDIATYPE()] <<= sMediaType;
}
css::uno::Reference< css::io::XInputStream > xInputStream = getUnpackedValueOrDefault(MediaDescriptor::PROP_POSTDATA(), css::uno::Reference< css::io::XInputStream >());
if (xInputStream.is())
{
(*this)[MediaDescriptor::PROP_INPUTSTREAM()] <<= xInputStream;
return sal_True;
}
return sal_False;
}
/*-----------------------------------------------*/
class StillReadWriteInteraction : public ::ucbhelper::InterceptedInteraction
{
private:
static const sal_Int32 HANDLE_INTERACTIVEIOEXCEPTION = 0;
static const sal_Int32 HANDLE_UNSUPPORTEDDATASINKEXCEPTION = 1;
sal_Bool m_bUsed;
sal_Bool m_bHandledByMySelf;
sal_Bool m_bHandledByInternalHandler;
public:
StillReadWriteInteraction(const css::uno::Reference< css::task::XInteractionHandler >& xHandler)
: m_bUsed (sal_False)
, m_bHandledByMySelf (sal_False)
, m_bHandledByInternalHandler(sal_False)
{
::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest > lInterceptions;
::ucbhelper::InterceptedInteraction::InterceptedRequest aInterceptedRequest;
aInterceptedRequest.Handle = HANDLE_INTERACTIVEIOEXCEPTION;
aInterceptedRequest.Request <<= css::ucb::InteractiveIOException();
aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0));
aInterceptedRequest.MatchExact = sal_False;
lInterceptions.push_back(aInterceptedRequest);
aInterceptedRequest.Handle = HANDLE_UNSUPPORTEDDATASINKEXCEPTION;
aInterceptedRequest.Request <<= css::ucb::UnsupportedDataSinkException();
aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0));
aInterceptedRequest.MatchExact = sal_False;
lInterceptions.push_back(aInterceptedRequest);
setInterceptedHandler(xHandler);
setInterceptions(lInterceptions);
}
void resetInterceptions()
{
setInterceptions(::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest >());
}
void resetErrorStates()
{
m_bUsed = sal_False;
m_bHandledByMySelf = sal_False;
m_bHandledByInternalHandler = sal_False;
}
sal_Bool wasWriteError()
{
return (m_bUsed && m_bHandledByMySelf);
}
private:
virtual ucbhelper::InterceptedInteraction::EInterceptionState intercepted(const ::ucbhelper::InterceptedInteraction::InterceptedRequest& aRequest,
const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
{
// we are used!
m_bUsed = sal_True;
// check if its a real interception - might some parameters are not the right ones ...
sal_Bool bAbort = sal_False;
switch(aRequest.Handle)
{
case HANDLE_INTERACTIVEIOEXCEPTION:
{
css::ucb::InteractiveIOException exIO;
xRequest->getRequest() >>= exIO;
bAbort = (
(exIO.Code == css::ucb::IOErrorCode_ACCESS_DENIED ) ||
(exIO.Code == css::ucb::IOErrorCode_LOCKING_VIOLATION )
);
}
break;
case HANDLE_UNSUPPORTEDDATASINKEXCEPTION:
{
bAbort = sal_True;
}
break;
}
// handle interaction by ourself
if (bAbort)
{
m_bHandledByMySelf = sal_True;
css::uno::Reference< css::task::XInteractionContinuation > xAbort = ::ucbhelper::InterceptedInteraction::extractContinuation(
xRequest->getContinuations(),
::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)));
if (!xAbort.is())
return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND;
xAbort->select();
return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
}
// Otherwhise use internal handler.
if (m_xInterceptedHandler.is())
{
m_bHandledByInternalHandler = sal_True;
m_xInterceptedHandler->handle(xRequest);
}
return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
}
};
/*-----------------------------------------------
25.03.2004 12:29
-----------------------------------------------*/
sal_Bool MediaDescriptor::impl_openStreamWithURL(const ::rtl::OUString& sURL)
throw(::com::sun::star::uno::RuntimeException)
{
// prepare the environment
css::uno::Reference< css::task::XInteractionHandler > xOrgInteraction = getUnpackedValueOrDefault(
MediaDescriptor::PROP_INTERACTIONHANDLER(),
css::uno::Reference< css::task::XInteractionHandler >());
StillReadWriteInteraction* pInteraction = new StillReadWriteInteraction(xOrgInteraction);
css::uno::Reference< css::task::XInteractionHandler > xInteraction(static_cast< css::task::XInteractionHandler* >(pInteraction), css::uno::UNO_QUERY);
css::uno::Reference< css::ucb::XProgressHandler > xProgress;
::ucb::CommandEnvironment* pCommandEnv = new ::ucb::CommandEnvironment(xInteraction, xProgress);
css::uno::Reference< css::ucb::XCommandEnvironment > xCommandEnv(static_cast< css::ucb::XCommandEnvironment* >(pCommandEnv), css::uno::UNO_QUERY);
// try to create the content
// no content -> no stream => return immediatly with FALSE
::ucb::Content aContent;
css::uno::Reference< css::ucb::XContent > xContent;
try
{
aContent = ::ucb::Content(sURL, xCommandEnv);
xContent = aContent.get();
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::ucb::ContentCreationException&)
{ return sal_False; } // TODO error handling
catch(const css::uno::Exception&)
{ return sal_False; } // TODO error handling
// try to open the file in read/write mode
// (if its allowed to do so).
// But handle errors in a "hidden mode". Because
// we try it readonly later - if read/write isnt an option.
css::uno::Reference< css::io::XStream > xStream ;
css::uno::Reference< css::io::XInputStream > xInputStream;
sal_Bool bReadOnly = sal_False;
sal_Bool bModeRequestedExplicitly = sal_False;
const_iterator pIt = find(MediaDescriptor::PROP_READONLY());
if (pIt != end())
{
pIt->second >>= bReadOnly;
bModeRequestedExplicitly = sal_True;
}
if (!bReadOnly)
{
try
{
// TODO: use "special" still interaction to supress error messages
xStream = aContent.openWriteableStream();
if (xStream.is())
xInputStream = xStream->getInputStream();
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{
// ignore exception, if reason was problem reasoned on
// open it in WRITEABLE mode! Then we try it READONLY
// later a second time.
// All other errors must be handled as real error an
// break this method.
if (!pInteraction->wasWriteError() || bModeRequestedExplicitly)
return sal_False;
xStream.clear();
xInputStream.clear();
}
}
// If opening of the stream in read/write mode wasnt allowed
// or failed by an error - we must try it in readonly mode.
if (!xInputStream.is())
{
try
{
css::uno::Reference< css::ucb::XContentIdentifier > xContId(
aContent.get().is() ? aContent.get()->getIdentifier() : 0 );
rtl::OUString aScheme;
if ( xContId.is() )
aScheme = xContId->getContentProviderScheme();
// Only file system content provider is able to provide XStream
// so for this content impossibility to create XStream triggers
// switch to readonly mode
if( aScheme.equalsIgnoreAsciiCaseAscii( "file" ) )
bReadOnly = sal_True;
else
aContent.getPropertyValue( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "IsReadOnly" ) ) ) >>= bReadOnly;
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{ /* no error handling if IsReadOnly property does not exist for UCP */ }
if ( bReadOnly )
(*this)[MediaDescriptor::PROP_READONLY()] <<= bReadOnly;
pInteraction->resetInterceptions();
pInteraction->resetErrorStates();
try
{
xInputStream = aContent.openStream();
}
catch(const css::uno::RuntimeException&)
{ throw; }
catch(const css::uno::Exception&)
{ return sal_False; }
}
// add streams to the descriptor
if (xContent.is())
(*this)[MediaDescriptor::PROP_UCBCONTENT()] <<= xContent;
if (xStream.is())
(*this)[MediaDescriptor::PROP_STREAM()] <<= xStream;
if (xInputStream.is())
(*this)[MediaDescriptor::PROP_INPUTSTREAM()] <<= xInputStream;
// At least we need an input stream. The r/w stream is optional ...
return xInputStream.is();
}
/*-----------------------------------------------
10.09.2004 10:51
-----------------------------------------------*/
::rtl::OUString MediaDescriptor::impl_normalizeURL(const ::rtl::OUString& sURL)
{
/* Remove Jumpmarks (fragments) of an URL only here.
They are not part of any URL and as a result may be
no ucb content can be created then.
On the other side arguments must exists ... because
they are part of an URL.
Do not use the URLTransformer service here. Because
it parses the URL in another way. It's main part isnt enough
and it's complete part contains the jumpmark (fragment) parameter ...
*/
static ::rtl::OUString SERVICENAME_URIREFERENCEFACTORY = ::rtl::OUString::createFromAscii("com.sun.star.uri.UriReferenceFactory");
try
{
css::uno::Reference< css::lang::XMultiServiceFactory > xSMGR = ::comphelper::getProcessServiceFactory();
css::uno::Reference< css::uri::XUriReferenceFactory > xUriFactory(xSMGR->createInstance(SERVICENAME_URIREFERENCEFACTORY), css::uno::UNO_QUERY_THROW);
css::uno::Reference< css::uri::XUriReference > xUriRef = xUriFactory->parse(sURL);
if (xUriRef.is())
{
xUriRef->clearFragment();
return xUriRef->getUriReference();
}
}
catch(const css::uno::RuntimeException& exRun)
{ throw exRun; }
catch(const css::uno::Exception&)
{}
// If an error ocurred ... return the original URL.
// It's a try .-)
return sURL;
}
} // namespace comphelper
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