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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the BSD license.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*************************************************************************/
#include "filterdetect.hxx"
#include <osl/diagnose.h>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/xml/XImportFilter.hpp>
#include <com/sun/star/xml/XExportFilter.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>
#include <com/sun/star/task/XStatusIndicatorFactory.hpp>
#include <com/sun/star/style/XStyleFamiliesSupplier.hpp>
#include <com/sun/star/style/XStyleLoader.hpp>
#include <com/sun/star/document/XExtendedFilterDetection.hpp>
#include <com/sun/star/beans/PropertyState.hpp>
#include <com/sun/star/ucb/SimpleFileAccess.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <cppuhelper/supportsservice.hxx>
using namespace com::sun::star::uno;
using namespace com::sun::star::document;
using namespace com::sun::star::lang;
using namespace com::sun::star::io;
using namespace com::sun::star::beans;
using namespace com::sun::star::xml::sax;
using namespace com::sun::star::xml;
using namespace com::sun::star::task;
using namespace com::sun::star::frame;
using namespace com::sun::star::container;
using namespace com::sun::star::ucb;
using ::rtl::OUString;
using ::rtl::OString;
OUString SAL_CALL FilterDetect::detect(Sequence< PropertyValue >& aArguments )
throw( RuntimeException )
{
// type name to return
OUString sOriginalTypeName;
OUString sTypeName;
OUString sURL;
// stream of the document to be detected
Reference< XInputStream > xInStream;
for ( sal_Int32 i = 0 ; i < aArguments.getLength(); i++)
{
OUString aName = aArguments[i].Name;
if ( aName == "TypeName" )
aArguments[i].Value >>= sOriginalTypeName;
if ( aName == "URL" )
aArguments[i].Value >>= sURL;
if ( aName == "InputStream" )
aArguments[i].Value >>= xInStream;
}
if (!xInStream.is())
{
// open the stream if it was not supplied by the framework
Reference< XSimpleFileAccess3 > xSFI(SimpleFileAccess::create(mxContext));
if (sURL.getLength() > 0)
{
try
{
xInStream = xSFI->openFileRead( sURL);
}
catch( Exception& )
{
return sTypeName;
}
} else {
// failed to access UCB
return sTypeName;
}
}
// flatxml starts with an office:document element. this element
// conatains a class="..." attribute by which we can deduct the
// type of document that is to be loaded
// WARNING:
// parsing the plain text of the document is an easy way to do this
// but not the purest solution, since namespaces and other xml details
// may lead to another syntactic expression of the same document.
// this example works for the way the office serializes its XML stream
// but might need extension for other data sources...
static OString aDocToken("office:document");
// static OString aClassToken("office:class=\"");
static OString aMimeTypeToken("office:mimetype=\"");
sal_Int32 nHeadSize = 4096;
Sequence< sal_Int8 > aHeadData(nHeadSize);
// rewind seekable stream
Reference< XSeekable > xSeek(xInStream, UNO_QUERY);
if (xSeek.is())
xSeek->seek(0);
long bytestRead = xInStream->readBytes(aHeadData, nHeadSize);
OString aHead = OString((const sal_Char *)aHeadData.getConstArray(), bytestRead).toAsciiLowerCase();
// check for document element of flatxml format
if (aHead.indexOf(aDocToken) >= 0)
{
// read document class
sal_Int32 n = aHead.indexOf(aMimeTypeToken);
if (n >= 0)
{
n += aMimeTypeToken.getLength();
OString aMimeType = aHead.copy(n, aHead.indexOf('\"', n) - n);
// return type for class found
if (aMimeType.equals("application/x-vnd.oasis.opendocument.text") ||
aMimeType.equals("application/vnd.oasis.opendocument.text"))
sTypeName = "devguide_FlatXMLType_Cpp_writer";
else if (aMimeType.equals("application/x-vnd.oasis.opendocument.text-master") ||
aMimeType.equals("application/vnd.oasis.opendocument.text-master"))
sTypeName = "devguide_FlatXMLType_Cpp_master";
else if (aMimeType.equals("application/x-vnd.oasis.openoffice.text-global") ||
aMimeType.equals("application/vnd.oasis.openoffice.text-global"))
sTypeName = "devguide_FlatXMLType_Cpp_master";
else if (aMimeType.equals("application/x-vnd.oasis.opendocument.spreadsheet") ||
aMimeType.equals("application/vnd.oasis.opendocument.spreadsheet"))
sTypeName = "devguide_FlatXMLType_Cpp_calc";
else if (aMimeType.equals("application/x-vnd.oasis.opendocument.drawing") ||
aMimeType.equals("application/vnd.oasis.opendocument.drawing"))
sTypeName = "devguide_FlatXMLType_Cpp_draw";
else if (aMimeType.equals("application/x-vnd.oasis.opendocument.presentation") ||
aMimeType.equals("application/vnd.oasis.opendocument.presentation"))
sTypeName = "devguide_FlatXMLType_Cpp_impress";
}
}
return sTypeName;
}
// XInitialization
void SAL_CALL FilterDetect::initialize( const Sequence< Any >& aArguments )
throw (Exception, RuntimeException)
{
Sequence < PropertyValue > aAnySeq;
sal_Int32 nLength = aArguments.getLength();
if ( nLength && ( aArguments[0] >>= aAnySeq ) )
{
const PropertyValue * pValue = aAnySeq.getConstArray();
nLength = aAnySeq.getLength();
for ( sal_Int32 i = 0 ; i < nLength; i++)
{
if ( pValue[i].Name == "Type" )
{
pValue[i].Value >>= msFilterName;
}
else if ( pValue[i].Name == "UserData" )
{
pValue[i].Value >>= msUserData;
}
else if ( pValue[i].Name == "TemplateName" )
{
pValue[i].Value>>=msTemplateName;
}
}
}
}
OUString FilterDetect_getImplementationName ()
throw (RuntimeException)
{
return OUString( "devguide.officedev.samples.filter.FlatXmlDetect" );
}
#define SERVICE_NAME1 "com.sun.star.document.ExtendedTypeDetection"
Sequence< OUString > SAL_CALL FilterDetect_getSupportedServiceNames( )
throw (RuntimeException)
{
Sequence < OUString > aRet(2);
OUString* pArray = aRet.getArray();
pArray[0] = OUString ( SERVICE_NAME1 );
return aRet;
}
#undef SERVICE_NAME1
#undef SERVICE_NAME2
Reference< XInterface > SAL_CALL FilterDetect_createInstance( const Reference< XComponentContext > & rContext)
throw( Exception )
{
return (cppu::OWeakObject*) new FilterDetect( rContext );
}
// XServiceInfo
OUString SAL_CALL FilterDetect::getImplementationName( )
throw (RuntimeException)
{
return FilterDetect_getImplementationName();
}
sal_Bool SAL_CALL FilterDetect::supportsService( const OUString& rServiceName )
throw (RuntimeException)
{
return cppu::supportsService(this, rServiceName);
}
Sequence< OUString > SAL_CALL FilterDetect::getSupportedServiceNames( )
throw (RuntimeException)
{
return FilterDetect_getSupportedServiceNames();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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