323 lines
14 KiB
C++
323 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <sal/config.h>
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#include <map>
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#include <vector>
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#include <cppuhelper/implbase7.hxx>
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#include <osl/mutex.hxx>
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#include <com/sun/star/container/XNameContainer.hpp>
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#include <com/sun/star/container/XContainer.hpp>
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#include <com/sun/star/container/XEnumerationAccess.hpp>
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#include <com/sun/star/container/XIndexAccess.hpp>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <com/sun/star/beans/XVetoableChangeListener.hpp>
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#include <com/sun/star/container/XContainerApproveBroadcaster.hpp>
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#include "ContentHelper.hxx"
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#include "containerapprove.hxx"
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#include <comphelper/uno3.hxx>
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#include <comphelper/interfacecontainer2.hxx>
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namespace dbaccess
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{
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class ODefinitionContainer_Impl : public OContentHelper_Impl
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{
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public:
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typedef std::map< OUString, TContentPtr > NamedDefinitions;
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typedef NamedDefinitions::iterator iterator;
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typedef NamedDefinitions::const_iterator const_iterator;
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private:
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NamedDefinitions m_aDefinitions;
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public:
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size_t size() const { return m_aDefinitions.size(); }
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const_iterator begin() const { return m_aDefinitions.begin(); }
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const_iterator end() const { return m_aDefinitions.end(); }
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const_iterator find( const OUString& _rName ) const { return m_aDefinitions.find( _rName ); }
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const_iterator find( const TContentPtr& _pDefinition ) const;
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void erase( const OUString& _rName ) { m_aDefinitions.erase( _rName ); }
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void erase( const TContentPtr& _pDefinition );
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void insert( const OUString& _rName, const TContentPtr& _pDefinition )
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{
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m_aDefinitions.emplace( _rName, _pDefinition );
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}
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private:
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iterator find( const TContentPtr& _pDefinition );
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// (for the moment, this is private. Make it public if needed. If really needed.)
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};
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// ODefinitionContainer - base class of collections of database definition
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// documents
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typedef ::cppu::ImplHelper7 < css::container::XIndexAccess
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, css::container::XNameContainer
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, css::container::XEnumerationAccess
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, css::container::XContainer
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, css::container::XContainerApproveBroadcaster
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, css::beans::XPropertyChangeListener
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, css::beans::XVetoableChangeListener
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> ODefinitionContainer_Base;
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class ODefinitionContainer
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:public OContentHelper
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,public ODefinitionContainer_Base
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{
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protected:
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typedef std::map< OUString, css::uno::WeakReference< css::ucb::XContent > > Documents;
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enum ContainerOperation
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{
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E_REPLACED,
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E_REMOVED,
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E_INSERTED
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};
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enum ListenerType
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{
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ApproveListeners,
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ContainerListemers
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};
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private:
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PContainerApprove m_pElementApproval;
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protected:
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// we can't just hold a vector of XContentRefs, as after initialization they're all empty
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// cause we load them only on access
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std::vector<Documents::iterator>
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m_aDocuments; // for an efficient index access
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Documents m_aDocumentMap; // for an efficient name access
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::comphelper::OInterfaceContainerHelper2
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m_aApproveListeners;
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::comphelper::OInterfaceContainerHelper2
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m_aContainerListeners;
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bool m_bInPropertyChange;
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bool m_bCheckSlash;
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protected:
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/** Additionally to our own approvals which new elements must pass, derived classes
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can specify an additional approval instance here.
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Every time a new element is inserted into the container (or an element is replaced
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with a new one), this new element must pass our own internal approval, plus the approval
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given here.
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*/
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void setElementApproval(const PContainerApprove& _pElementApproval ) { m_pElementApproval = _pElementApproval; }
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const PContainerApprove& getElementApproval() const { return m_pElementApproval; }
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protected:
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virtual ~ODefinitionContainer() override;
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const ODefinitionContainer_Impl& getDefinitions() const
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{
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return dynamic_cast< const ODefinitionContainer_Impl& >( *m_pImpl );
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}
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ODefinitionContainer_Impl& getDefinitions()
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{
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return dynamic_cast< ODefinitionContainer_Impl& >( *m_pImpl );
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}
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public:
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/** constructs the container.
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*/
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ODefinitionContainer(
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const css::uno::Reference< css::uno::XComponentContext >& _xORB
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, const css::uno::Reference< css::uno::XInterface >& _xParentContainer
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, const TContentPtr& _pImpl
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, bool _bCheckSlash = true
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);
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// css::uno::XInterface
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DECLARE_XINTERFACE( )
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virtual css::uno::Sequence<css::uno::Type> SAL_CALL getTypes() override;
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virtual css::uno::Sequence<sal_Int8> SAL_CALL getImplementationId() override;
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// css::lang::XServiceInfo
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virtual OUString SAL_CALL getImplementationName( ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
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// css::container::XElementAccess
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virtual css::uno::Type SAL_CALL getElementType( ) override;
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virtual sal_Bool SAL_CALL hasElements( ) override;
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// css::container::XEnumerationAccess
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virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration( ) override;
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// css::container::XIndexAccess
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virtual sal_Int32 SAL_CALL getCount( ) override;
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virtual css::uno::Any SAL_CALL getByIndex( sal_Int32 _nIndex ) override;
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// css::container::XNameContainer
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virtual void SAL_CALL insertByName( const OUString& _rName, const css::uno::Any& aElement ) override;
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virtual void SAL_CALL removeByName( const OUString& _rName ) override;
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// css::container::XNameReplace
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virtual void SAL_CALL replaceByName( const OUString& _rName, const css::uno::Any& aElement ) override;
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// css::container::XNameAccess
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virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getElementNames( ) override;
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virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override;
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// css::container::XContainer
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virtual void SAL_CALL addContainerListener( const css::uno::Reference< css::container::XContainerListener >& xListener ) override;
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virtual void SAL_CALL removeContainerListener( const css::uno::Reference< css::container::XContainerListener >& xListener ) override;
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// XContainerApproveBroadcaster
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virtual void SAL_CALL addContainerApproveListener( const css::uno::Reference< css::container::XContainerApproveListener >& Listener ) override;
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virtual void SAL_CALL removeContainerApproveListener( const css::uno::Reference< css::container::XContainerApproveListener >& Listener ) override;
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// css::lang::XEventListener
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virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
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// XPropertyChangeListener
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virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
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// XVetoableChangeListener
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virtual void SAL_CALL vetoableChange( const css::beans::PropertyChangeEvent& aEvent ) override;
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protected:
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// helper
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virtual void SAL_CALL disposing() override;
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/** create an object from its persistent data within the configuration. To be overwritten by derived classes.
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@param _rName the name the object has within the container
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@return the newly created object or an empty reference if something went wrong
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*/
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virtual css::uno::Reference< css::ucb::XContent > createObject(
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const OUString& _rName) = 0;
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/** get the object specified by the given name. If desired, the object will be read if not already done so.<BR>
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@param _rName the object name
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@param _bReadIfNecessary if sal_True, the object will be created if necessary
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@return the property set interface of the object. Usually the return value is not NULL, but
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if so, then the object could not be read from the configuration
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@throws NoSuchElementException if there is no object with the given name.
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@see createObject
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*/
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css::uno::Reference< css::ucb::XContent >
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implGetByName(const OUString& _rName, bool _bCreateIfNecessary);
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/** quickly checks if there already is an element with a given name. No access to the configuration occurs, i.e.
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if there is such an object which is not already loaded, it won't be loaded now.
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@param _rName the object name to check
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@return sal_True if there already exists such an object
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*/
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virtual bool checkExistence(const OUString& _rName);
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/** append a new object to the container. No plausibility checks are done, e.g. if the object is non-NULL or
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if the name is already used by another object or anything like this. This method is for derived classes
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which may support different methods to create and/or append objects, and don't want to deal with the
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internal structures of this class.<BR>
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The old component will not be disposed, this is the callers responsibility, too.
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@param _rName the name of the new object
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@param _rxNewObject the new object (not surprising, is it ?)
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@see createConfigKey
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@see implReplace
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@see implRemove
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*/
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void implAppend(
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const OUString& _rName,
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const css::uno::Reference< css::ucb::XContent >& _rxNewObject
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);
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/** remove all references to an object from the container. No plausibility checks are done, e.g. whether
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or not there exists an object with the given name. This is the responsibility of the caller.<BR>
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Additionally the node for the given object will be removed from the registry (including all sub nodes).<BR>
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The old component will not be disposed, this is the callers responsibility, too.
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@param _rName the objects name
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@see implReplace
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@see implAppend
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*/
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void implRemove(const OUString& _rName);
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/** remove an object in the container. No plausibility checks are done, e.g. whether
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or not there exists an object with the given name or the object is non-NULL. This is the responsibility of the caller.<BR>
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Additionally all object-related information within the registry will be deleted. The new object config node,
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where the caller may want to store the new objects information, is returned.<BR>
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The old component will not be disposed, this is the callers responsibility, too.
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@param _rName the objects name
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@param _rxNewObject the new object
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@param _rNewObjectNode the configuration node where the new object may be stored
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@see implAppend
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@see implRemove
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*/
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void implReplace(
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const OUString& _rName,
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const css::uno::Reference< css::ucb::XContent >& _rxNewObject
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);
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/** notifies our container/approve listeners
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*/
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void notifyByName(
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::osl::ResettableMutexGuard& _rGuard,
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const OUString& _rName,
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const css::uno::Reference< css::ucb::XContent >& _xNewElement,
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const css::uno::Reference< css::ucb::XContent >& xOldElement,
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ContainerOperation _eOperation,
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ListenerType _eType
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);
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operator css::uno::Reference< css::uno::XInterface > () const
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{
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return const_cast< XContainer* >( static_cast< const XContainer* >( this ) );
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}
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private:
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void addObjectListener(const css::uno::Reference< css::ucb::XContent >& _xNewObject);
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void removeObjectListener(const css::uno::Reference< css::ucb::XContent >& _xNewObject);
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/** approve that the object given may be inserted into the container.
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Should be overridden by derived classes,
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the default implementation just checks the object to be non-void.
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@throws IllegalArgumentException
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if the name or the object are invalid
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@throws ElementExistException
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if the object already exists in the container, or another object with the same name
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already exists
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@throws WrappedTargetException
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if another error occurs which prevents insertion of the object into the container
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*/
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void approveNewObject(
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const OUString& _sName,
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const css::uno::Reference< css::ucb::XContent >& _rxObject
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) const;
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bool impl_haveAnyListeners_nothrow() const
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{
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return ( m_aContainerListeners.getLength() > 0 ) || ( m_aApproveListeners.getLength() > 0 );
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}
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};
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} // namespace dbaccess
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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