office-gobmx/ucbhelper/source/provider/providerhelper.cxx
2011-11-27 13:26:27 -06:00

673 lines
22 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
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************************************************************************/
/**************************************************************************
TODO
**************************************************************************
*************************************************************************/
#include <boost/unordered_map.hpp>
#include <com/sun/star/beans/XPropertyAccess.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/XNamed.hpp>
#include <com/sun/star/ucb/XPropertySetRegistryFactory.hpp>
#include <com/sun/star/ucb/XPropertySetRegistry.hpp>
#include "osl/diagnose.h"
#include "osl/mutex.hxx"
#include "cppuhelper/weakref.hxx"
#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/providerhelper.hxx>
#include <ucbhelper/contenthelper.hxx>
using namespace com::sun::star;
namespace ucbhelper_impl
{
//=========================================================================
//
// Contents.
//
//=========================================================================
struct equalString
{
bool operator()(
const rtl::OUString& rKey11, const rtl::OUString& rKey22 ) const
{
return !!( rKey11 == rKey22 );
}
};
struct hashString
{
size_t operator()( const rtl::OUString & rName ) const
{
return rName.hashCode();
}
};
typedef boost::unordered_map
<
rtl::OUString,
uno::WeakReference< ucb::XContent >,
hashString,
equalString
>
Contents;
//=========================================================================
//
// struct ContentProviderImplHelper_Impl.
//
//=========================================================================
struct ContentProviderImplHelper_Impl
{
uno::Reference< com::sun::star::ucb::XPropertySetRegistry >
m_xPropertySetRegistry;
Contents
m_aContents;
};
} // namespace ucbhelper_impl
//=========================================================================
//=========================================================================
//
// ContentProviderImplHelper Implementation.
//
//=========================================================================
//=========================================================================
namespace ucbhelper {
ContentProviderImplHelper::ContentProviderImplHelper(
const uno::Reference< lang::XMultiServiceFactory >& rXSMgr )
: m_pImpl( new ucbhelper_impl::ContentProviderImplHelper_Impl ),
m_xSMgr( rXSMgr )
{
}
//=========================================================================
// virtual
ContentProviderImplHelper::~ContentProviderImplHelper()
{
delete m_pImpl;
}
//=========================================================================
//
// XInterface methods.
//
//=========================================================================
XINTERFACE_IMPL_3( ContentProviderImplHelper,
lang::XTypeProvider,
lang::XServiceInfo,
com::sun::star::ucb::XContentProvider );
//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================
XTYPEPROVIDER_IMPL_3( ContentProviderImplHelper,
lang::XTypeProvider,
lang::XServiceInfo,
com::sun::star::ucb::XContentProvider );
//=========================================================================
//
// XServiceInfo methods.
//
//=========================================================================
// virtual
sal_Bool SAL_CALL ContentProviderImplHelper::supportsService(
const rtl::OUString& ServiceName )
throw( uno::RuntimeException )
{
uno::Sequence< rtl::OUString > aSNL = getSupportedServiceNames();
const rtl::OUString* pArray = aSNL.getConstArray();
for ( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
{
if ( pArray[ i ] == ServiceName )
return sal_True;
}
return sal_False;
}
//=========================================================================
//
// XContentProvider methods.
//
//=========================================================================
// virtual
sal_Int32 SAL_CALL ContentProviderImplHelper::compareContentIds(
const uno::Reference< com::sun::star::ucb::XContentIdentifier >& Id1,
const uno::Reference< com::sun::star::ucb::XContentIdentifier >& Id2 )
throw( uno::RuntimeException )
{
// Simply do a string compare.
rtl::OUString aURL1( Id1->getContentIdentifier() );
rtl::OUString aURL2( Id2->getContentIdentifier() );
return aURL1.compareTo( aURL2 );;
}
//=========================================================================
//
// Non-interface methods
//
//=========================================================================
void ContentProviderImplHelper::cleanupRegisteredContents()
{
osl::MutexGuard aGuard( m_aMutex );
ucbhelper_impl::Contents::iterator it
= m_pImpl->m_aContents.begin();
while( it != m_pImpl->m_aContents.end() )
{
uno::Reference< ucb::XContent > xContent( (*it).second );
if ( !xContent.is() )
{
ucbhelper_impl::Contents::iterator tmp = it;
++it;
m_pImpl->m_aContents.erase( tmp );
}
else
{
++it;
}
}
}
//=========================================================================
void ContentProviderImplHelper::removeContent( ContentImplHelper* pContent )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
const rtl::OUString aURL(
pContent->getIdentifier()->getContentIdentifier() );
ucbhelper_impl::Contents::iterator it = m_pImpl->m_aContents.find( aURL );
if ( it != m_pImpl->m_aContents.end() )
m_pImpl->m_aContents.erase( it );
}
//=========================================================================
rtl::Reference< ContentImplHelper >
ContentProviderImplHelper::queryExistingContent(
const uno::Reference< com::sun::star::ucb::XContentIdentifier >&
Identifier )
{
return queryExistingContent( Identifier->getContentIdentifier() );
}
//=========================================================================
rtl::Reference< ContentImplHelper >
ContentProviderImplHelper::queryExistingContent( const rtl::OUString& rURL )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
// Check, if a content with given id already exists...
ucbhelper_impl::Contents::const_iterator it
= m_pImpl->m_aContents.find( rURL );
if ( it != m_pImpl->m_aContents.end() )
{
uno::Reference< ucb::XContent > xContent( (*it).second );
if ( xContent.is() )
{
return rtl::Reference< ContentImplHelper >(
static_cast< ContentImplHelper * >( xContent.get() ) );
}
}
return rtl::Reference< ContentImplHelper >();
}
//=========================================================================
void ContentProviderImplHelper::queryExistingContents(
ContentRefList& rContents )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
ucbhelper_impl::Contents::const_iterator it
= m_pImpl->m_aContents.begin();
ucbhelper_impl::Contents::const_iterator end
= m_pImpl->m_aContents.end();
while ( it != end )
{
uno::Reference< ucb::XContent > xContent( (*it).second );
if ( xContent.is() )
{
rContents.push_back(
rtl::Reference< ContentImplHelper >(
static_cast< ContentImplHelper * >( xContent.get() ) ) );
}
++it;
}
}
//=========================================================================
void ContentProviderImplHelper::registerNewContent(
const uno::Reference< ucb::XContent > & xContent )
{
if ( xContent.is() )
{
osl::MutexGuard aGuard( m_aMutex );
cleanupRegisteredContents();
const rtl::OUString aURL(
xContent->getIdentifier()->getContentIdentifier() );
ucbhelper_impl::Contents::const_iterator it
= m_pImpl->m_aContents.find( aURL );
if ( it == m_pImpl->m_aContents.end() )
m_pImpl->m_aContents[ aURL ] = xContent;
}
}
//=========================================================================
uno::Reference< com::sun::star::ucb::XPropertySetRegistry >
ContentProviderImplHelper::getAdditionalPropertySetRegistry()
{
// Get propertyset registry.
osl::MutexGuard aGuard( m_aMutex );
if ( !m_pImpl->m_xPropertySetRegistry.is() )
{
uno::Reference< com::sun::star::ucb::XPropertySetRegistryFactory >
xRegFac(
m_xSMgr->createInstance(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.ucb.Store" )) ),
uno::UNO_QUERY );
OSL_ENSURE( xRegFac.is(),
"ContentProviderImplHelper::getAdditionalPropertySet - "
"No UCB-Store service!" );
if ( xRegFac.is() )
{
// Open/create a registry.
m_pImpl->m_xPropertySetRegistry
= xRegFac->createPropertySetRegistry( rtl::OUString() );
OSL_ENSURE( m_pImpl->m_xPropertySetRegistry.is(),
"ContentProviderImplHelper::getAdditionalPropertySet - "
"Error opening registry!" );
}
}
return m_pImpl->m_xPropertySetRegistry;
}
//=========================================================================
uno::Reference< com::sun::star::ucb::XPersistentPropertySet >
ContentProviderImplHelper::getAdditionalPropertySet(
const rtl::OUString& rKey, sal_Bool bCreate )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( m_pImpl->m_xPropertySetRegistry.is() )
{
// Open/create persistent property set.
return uno::Reference< com::sun::star::ucb::XPersistentPropertySet >(
m_pImpl->m_xPropertySetRegistry->openPropertySet(
rKey, bCreate ) );
}
return uno::Reference< com::sun::star::ucb::XPersistentPropertySet >();
}
//=========================================================================
sal_Bool ContentProviderImplHelper::renameAdditionalPropertySet(
const rtl::OUString& rOldKey,
const rtl::OUString& rNewKey,
sal_Bool bRecursive )
{
if ( rOldKey == rNewKey )
return sal_True;
osl::MutexGuard aGuard( m_aMutex );
if ( bRecursive )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( m_pImpl->m_xPropertySetRegistry.is() )
{
uno::Reference< container::XNameAccess > xNameAccess(
m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
if ( xNameAccess.is() )
{
uno::Sequence< rtl::OUString > aKeys
= xNameAccess->getElementNames();
sal_Int32 nCount = aKeys.getLength();
if ( nCount > 0 )
{
rtl::OUString aOldKeyWithSlash = rOldKey;
rtl::OUString aOldKeyWithoutSlash;
if ( aOldKeyWithSlash.lastIndexOf(
sal_Unicode('/')
!= aOldKeyWithSlash.getLength() - 1 ) )
{
aOldKeyWithSlash += rtl::OUString( sal_Unicode('/') );
aOldKeyWithoutSlash = rOldKey;
}
else if ( rOldKey.getLength() )
aOldKeyWithoutSlash
= rOldKey.copy( 0, rOldKey.getLength() - 1 );
const rtl::OUString* pKeys = aKeys.getConstArray();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const rtl::OUString& rKey = pKeys[ n ];
if ( rKey.compareTo(
aOldKeyWithSlash,
aOldKeyWithSlash.getLength() ) == 0
|| rKey.equals( aOldKeyWithoutSlash ) )
{
rtl::OUString aNewKey
= rKey.replaceAt(
0, rOldKey.getLength(), rNewKey );
if ( !renameAdditionalPropertySet(
rKey, aNewKey, sal_False ) )
return sal_False;
}
}
}
}
else
return sal_False;
}
else
return sal_False;
}
else
{
// Get old property set, if exists.
uno::Reference< com::sun::star::ucb::XPersistentPropertySet > xOldSet
= getAdditionalPropertySet( rOldKey, sal_False );
if ( xOldSet.is() )
{
// Rename property set.
uno::Reference< container::XNamed > xNamed(
xOldSet, uno::UNO_QUERY );
if ( xNamed.is() )
{
// ??? throws no exceptions and has no return value ???
xNamed->setName( rNewKey );
}
else
return sal_False;
}
}
return sal_True;
}
//=========================================================================
sal_Bool ContentProviderImplHelper::copyAdditionalPropertySet(
const rtl::OUString& rSourceKey,
const rtl::OUString& rTargetKey,
sal_Bool bRecursive )
{
if ( rSourceKey == rTargetKey )
return sal_True;
osl::MutexGuard aGuard( m_aMutex );
if ( bRecursive )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( m_pImpl->m_xPropertySetRegistry.is() )
{
uno::Reference< container::XNameAccess > xNameAccess(
m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
if ( xNameAccess.is() )
{
uno::Sequence< rtl::OUString > aKeys
= xNameAccess->getElementNames();
sal_Int32 nCount = aKeys.getLength();
if ( nCount > 0 )
{
rtl::OUString aSrcKeyWithSlash = rSourceKey;
rtl::OUString aSrcKeyWithoutSlash;
if ( aSrcKeyWithSlash.lastIndexOf(
sal_Unicode('/')
!= aSrcKeyWithSlash.getLength() - 1 ) )
{
aSrcKeyWithSlash += rtl::OUString( sal_Unicode('/') );
aSrcKeyWithoutSlash = rSourceKey;
}
else if ( rSourceKey.getLength() )
aSrcKeyWithoutSlash = rSourceKey.copy(
0, rSourceKey.getLength() - 1 );
const rtl::OUString* pKeys = aKeys.getConstArray();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const rtl::OUString& rKey = pKeys[ n ];
if ( rKey.compareTo(
aSrcKeyWithSlash,
aSrcKeyWithSlash.getLength() ) == 0
|| rKey.equals( aSrcKeyWithoutSlash ) )
{
rtl::OUString aNewKey
= rKey.replaceAt(
0, rSourceKey.getLength(), rTargetKey );
if ( !copyAdditionalPropertySet(
rKey, aNewKey, sal_False ) )
return sal_False;
}
}
}
}
else
return sal_False;
}
else
return sal_False;
}
else
{
// Get old property set, if exists.
uno::Reference< com::sun::star::ucb::XPersistentPropertySet >
xOldPropSet = getAdditionalPropertySet( rSourceKey, sal_False );
if ( !xOldPropSet.is() )
return sal_False;
uno::Reference< beans::XPropertySetInfo > xPropSetInfo
= xOldPropSet->getPropertySetInfo();
if ( !xPropSetInfo.is() )
return sal_False;
uno::Reference< beans::XPropertyAccess > xOldPropAccess(
xOldPropSet, uno::UNO_QUERY );
if ( !xOldPropAccess.is() )
return sal_False;
// Obtain all values from old set.
uno::Sequence< beans::PropertyValue > aValues
= xOldPropAccess->getPropertyValues();
sal_Int32 nCount = aValues.getLength();
uno::Sequence< beans::Property > aProps
= xPropSetInfo->getProperties();
if ( nCount )
{
// Fail, if property set with new key already exists.
uno::Reference< com::sun::star::ucb::XPersistentPropertySet >
xNewPropSet
= getAdditionalPropertySet( rTargetKey, sal_False );
if ( xNewPropSet.is() )
return sal_False;
// Create new, empty set.
xNewPropSet = getAdditionalPropertySet( rTargetKey, sal_True );
if ( !xNewPropSet.is() )
return sal_False;
uno::Reference< beans::XPropertyContainer > xNewPropContainer(
xNewPropSet, uno::UNO_QUERY );
if ( !xNewPropContainer.is() )
return sal_False;
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const beans::PropertyValue& rValue = aValues[ n ];
sal_Int16 nAttribs = 0;
for ( sal_Int32 m = 0; m < aProps.getLength(); ++m )
{
if ( aProps[ m ].Name == rValue.Name )
{
nAttribs = aProps[ m ].Attributes;
break;
}
}
try
{
xNewPropContainer->addProperty(
rValue.Name, nAttribs, rValue.Value );
}
catch ( beans::PropertyExistException & )
{
}
catch ( beans::IllegalTypeException & )
{
}
catch ( lang::IllegalArgumentException & )
{
}
}
}
}
return sal_True;
}
//=========================================================================
sal_Bool ContentProviderImplHelper::removeAdditionalPropertySet(
const rtl::OUString& rKey, sal_Bool bRecursive )
{
osl::MutexGuard aGuard( m_aMutex );
if ( bRecursive )
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( m_pImpl->m_xPropertySetRegistry.is() )
{
uno::Reference< container::XNameAccess > xNameAccess(
m_pImpl->m_xPropertySetRegistry, uno::UNO_QUERY );
if ( xNameAccess.is() )
{
uno::Sequence< rtl::OUString > aKeys
= xNameAccess->getElementNames();
sal_Int32 nCount = aKeys.getLength();
if ( nCount > 0 )
{
rtl::OUString aKeyWithSlash = rKey;
rtl::OUString aKeyWithoutSlash;
if ( aKeyWithSlash.lastIndexOf(
sal_Unicode('/')
!= aKeyWithSlash.getLength() - 1 ) )
{
aKeyWithSlash += rtl::OUString( (sal_Unicode)'/' );
aKeyWithoutSlash = rKey;
}
else if ( rKey.getLength() )
aKeyWithoutSlash
= rKey.copy( 0, rKey.getLength() - 1 );
const rtl::OUString* pKeys = aKeys.getConstArray();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const rtl::OUString& rCurrKey = pKeys[ n ];
if ( rCurrKey.compareTo(
aKeyWithSlash,
aKeyWithSlash.getLength() ) == 0
|| rCurrKey.equals( aKeyWithoutSlash ) )
{
if ( !removeAdditionalPropertySet(
rCurrKey, sal_False ) )
return sal_False;
}
}
}
}
else
return sal_False;
}
else
return sal_False;
}
else
{
// Get propertyset registry.
getAdditionalPropertySetRegistry();
if ( m_pImpl->m_xPropertySetRegistry.is() )
m_pImpl->m_xPropertySetRegistry->removePropertySet( rKey );
else
return sal_False;
}
return sal_True;
}
} // namespace ucbhelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */