office-gobmx/dbaccess/source/core/inc/definitioncontainer.hxx
2012-06-14 17:41:07 +01:00

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16 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _DBA_CORE_DEFINITIONCONTAINER_HXX_
#define _DBA_CORE_DEFINITIONCONTAINER_HXX_
#include <cppuhelper/interfacecontainer.hxx>
#include <cppuhelper/implbase7.hxx>
#include <comphelper/stl_types.hxx>
#include <osl/mutex.hxx>
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/container/XContainer.hpp>
#include <com/sun/star/container/XEnumerationAccess.hpp>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <com/sun/star/beans/XVetoableChangeListener.hpp>
#include <com/sun/star/container/XContainerApproveBroadcaster.hpp>
#include "ContentHelper.hxx"
#include "containerapprove.hxx"
#include <comphelper/uno3.hxx>
#include <rtl/ref.hxx>
#include "apitools.hxx"
namespace dbaccess
{
class ODefinitionContainer_Impl : public OContentHelper_Impl
{
public:
typedef ::std::map< ::rtl::OUString, TContentPtr > NamedDefinitions;
typedef NamedDefinitions::iterator iterator;
typedef NamedDefinitions::const_iterator const_iterator;
private:
NamedDefinitions m_aDefinitions;
public:
inline size_t size() const { return m_aDefinitions.size(); }
inline const_iterator begin() const { return m_aDefinitions.begin(); }
inline const_iterator end() const { return m_aDefinitions.end(); }
inline const_iterator find( const ::rtl::OUString& _rName ) const { return m_aDefinitions.find( _rName ); }
const_iterator find( TContentPtr _pDefinition ) const;
inline void erase( const ::rtl::OUString& _rName ) { m_aDefinitions.erase( _rName ); }
void erase( TContentPtr _pDefinition );
inline void insert( const ::rtl::OUString& _rName, TContentPtr _pDefinition )
{
m_aDefinitions.insert( NamedDefinitions::value_type( _rName, _pDefinition ) );
}
private:
iterator find( TContentPtr _pDefinition );
// (for the moment, this is private. Make it public if needed. If really needed.)
};
//==========================================================================
//= ODefinitionContainer - base class of collections of database definition
//= documents
//==========================================================================
typedef ::cppu::ImplHelper7 < ::com::sun::star::container::XIndexAccess
, ::com::sun::star::container::XNameContainer
, ::com::sun::star::container::XEnumerationAccess
, ::com::sun::star::container::XContainer
, ::com::sun::star::container::XContainerApproveBroadcaster
, ::com::sun::star::beans::XPropertyChangeListener
, ::com::sun::star::beans::XVetoableChangeListener
> ODefinitionContainer_Base;
class ODefinitionContainer
:public OContentHelper
,public ODefinitionContainer_Base
{
protected:
DECLARE_STL_USTRINGACCESS_MAP(::com::sun::star::uno::WeakReference< ::com::sun::star::ucb::XContent >, Documents);
DECLARE_STL_VECTOR(Documents::iterator, DocumentsIndexAccess);
enum ContainerOperation
{
E_REPLACED,
E_REMOVED,
E_INSERTED
};
enum ListenerType
{
ApproveListeners,
ContainerListemers
};
private:
PContainerApprove m_pElementApproval;
protected:
// we can't just hold a vector of XContentRefs, as after initialization they're all empty
// cause we load them only on access
DocumentsIndexAccess m_aDocuments; // for a efficient index access
Documents m_aDocumentMap; // for a efficient name access
::cppu::OInterfaceContainerHelper
m_aApproveListeners;
::cppu::OInterfaceContainerHelper
m_aContainerListeners;
sal_Bool m_bInPropertyChange;
bool m_bCheckSlash;
protected:
/** Additionally to our own approvals which new elements must pass, derived classes
can specifiy an additional approval instance here.
Every time a new element is inserted into the container (or an element is replaced
with a new one), this new element must pass our own internal approval, plus the approval
given here.
*/
void setElementApproval( PContainerApprove _pElementApproval ) { m_pElementApproval = _pElementApproval; }
PContainerApprove getElementApproval() const { return m_pElementApproval; }
protected:
virtual ~ODefinitionContainer();
inline const ODefinitionContainer_Impl& getDefinitions() const
{
return dynamic_cast< const ODefinitionContainer_Impl& >( *m_pImpl.get() );
}
inline ODefinitionContainer_Impl& getDefinitions()
{
return dynamic_cast< ODefinitionContainer_Impl& >( *m_pImpl.get() );
}
public:
/** constructs the container.
*/
ODefinitionContainer(
const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _xORB
, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParentContainer
, const TContentPtr& _pImpl
, bool _bCheckSlash = true
);
// ::com::sun::star::uno::XInterface
DECLARE_XINTERFACE( )
// com::sun::star::lang::XTypeProvider
DECLARE_TYPEPROVIDER( );
// ::com::sun::star::lang::XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw(::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XElementAccess
virtual ::com::sun::star::uno::Type SAL_CALL getElementType( ) throw(::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL hasElements( ) throw(::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XEnumerationAccess
virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration > SAL_CALL createEnumeration( ) throw(::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XIndexAccess
virtual sal_Int32 SAL_CALL getCount( ) throw(::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Any SAL_CALL getByIndex( sal_Int32 _nIndex ) throw(::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XNameContainer
virtual void SAL_CALL insertByName( const ::rtl::OUString& _rName, const ::com::sun::star::uno::Any& aElement ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::container::ElementExistException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeByName( const ::rtl::OUString& _rName ) throw(::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XNameReplace
virtual void SAL_CALL replaceByName( const ::rtl::OUString& _rName, const ::com::sun::star::uno::Any& aElement ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XNameAccess
virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw(::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames( ) throw(::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw(::com::sun::star::uno::RuntimeException);
// ::com::sun::star::container::XContainer
virtual void SAL_CALL addContainerListener( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainerListener >& xListener ) throw(::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeContainerListener( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainerListener >& xListener ) throw(::com::sun::star::uno::RuntimeException);
// XContainerApproveBroadcaster
virtual void SAL_CALL addContainerApproveListener( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainerApproveListener >& Listener ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeContainerApproveListener( const ::com::sun::star::uno::Reference< ::com::sun::star::container::XContainerApproveListener >& Listener ) throw (::com::sun::star::uno::RuntimeException);
// ::com::sun::star::lang::XEventListener
virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
// XPropertyChangeListener
virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException);
// XVetoableChangeListener
virtual void SAL_CALL vetoableChange( const ::com::sun::star::beans::PropertyChangeEvent& aEvent ) throw (::com::sun::star::beans::PropertyVetoException, ::com::sun::star::uno::RuntimeException);
protected:
// helper
virtual void SAL_CALL disposing();
/** create a object from it's persistent data within the configuration. To be overwritten by derived classes.
@param _rName the name the object has within the container
@return the newly created object or an empty reference if somthing went wrong
*/
virtual ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent > createObject(
const ::rtl::OUString& _rName) = 0;
/** get the object specified by the given name. If desired, the object will be read if not already done so.<BR>
@param _rName the object name
@param _bReadIfNeccessary if sal_True, the object will be created if necessary
@return the property set interface of the object. Usually the return value is not NULL, but
if so, then the object could not be read from the configuration
@throws NoSuchElementException if there is no object with the given name.
@see createObject
*/
virtual ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >
implGetByName(const ::rtl::OUString& _rName, sal_Bool _bCreateIfNecessary) throw (::com::sun::star::container::NoSuchElementException);
/** quickly checks if there already is an element with a given name. No access to the configuration occures, i.e.
if there is such an object which is not already loaded, it won't be loaded now.
@param _rName the object name to check
@return sal_True if there already exists such an object
*/
virtual sal_Bool checkExistence(const ::rtl::OUString& _rName);
/** append a new object to the container. No plausibility checks are done, e.g. if the object is non-NULL or
if the name is already used by another object or anything like this. This method is for derived classes
which may support different methods to create and/or append objects, and don't want to deal with the
internal structures of this class.<BR>
The old component will not be disposed, this is the callers responsibility, too.
@param _rName the name of the new object
@param _rxNewObject the new object (not surprising, is it ?)
@see createConfigKey
@see implReplace
@see implRemove
*/
void implAppend(
const ::rtl::OUString& _rName,
const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _rxNewObject
);
/** remove all references to an object from the container. No plausibility checks are done, e.g. whether
or not there exists an object with the given name. This is the responsibility of the caller.<BR>
Additionally the node for the given object will be removed from the registry (including all sub nodes).<BR>
The old component will not be disposed, this is the callers responsibility, too.
@param _rName the objects name
@see implReplace
@see implAppend
*/
void implRemove(const ::rtl::OUString& _rName);
/** remove a object in the container. No plausibility checks are done, e.g. whether
or not there exists an object with the given name or the object is non-NULL. This is the responsibility of the caller.<BR>
Additionally all object-related informations within the registry will be deleted. The new object config node,
where the caller may want to store the new objects information, is returned.<BR>
The old component will not be disposed, this is the callers responsibility, too.
@param _rName the objects name
@param _rxNewObject the new object
@param _rNewObjectNode the configuration node where the new object may be stored
@see implAppend
@see implRemove
*/
void implReplace(
const ::rtl::OUString& _rName,
const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _rxNewObject
);
/** notifies our container/approve listeners
*/
void notifyByName(
::osl::ResettableMutexGuard& _rGuard,
const ::rtl::OUString& _rName,
const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _xNewElement,
const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& xOldElement,
ContainerOperation _eOperation,
ListenerType _eType
);
inline SAL_CALL operator ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > () const
{
return const_cast< XContainer* >( static_cast< const XContainer* >( this ) );
}
private:
void addObjectListener(const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _xNewObject);
void removeObjectListener(const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _xNewObject);
/** approve that the object given may be inserted into the container. Should be overloaded by derived classes,
the default implementation just checks the object to be non-void.
@throws IllegalArgumentException
if the name or the object are invalid
@throws ElementExistException
if the object already exists in the container, or another object with the same name
already exists
@throws WrappedTargetException
if another error occures which prevents insertion of the object into the container
*/
void approveNewObject(
const ::rtl::OUString& _sName,
const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent >& _rxObject
) const;
inline bool impl_haveAnyListeners_nothrow() const
{
return ( m_aContainerListeners.getLength() > 0 ) || ( m_aApproveListeners.getLength() > 0 );
}
};
} // namespace dbaccess
#endif // _DBA_CORE_DEFINITIONCONTAINER_HXX_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */