| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| #ifndef __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__ |
| #define __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__ |
| |
| #include <map> |
| #include <rtl/ustring.hxx> |
| #include <com/sun/star/uno/XInterface.hpp> |
| |
| namespace comphelper |
| { |
| |
| typedef ::std::map< rtl::OUString, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > IdMap_t; |
| |
| class UnoInterfaceToUniqueIdentifierMapper |
| { |
| public: |
| UnoInterfaceToUniqueIdentifierMapper(); |
| |
| /** returns a unique identifier for the given uno object. IF a uno object is |
| registered more than once, the returned identifier is always the same. |
| */ |
| const rtl::OUString& registerReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ); |
| |
| /** registers the given uno object with the given identifier. |
| |
| @returns |
| false, if the given identifier already exists and is not associated with the given interface |
| */ |
| bool registerReference( const rtl::OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ); |
| |
| /** @returns |
| the identifier for the given uno object. If this uno object is not already |
| registered, an empty string is returned |
| */ |
| const rtl::OUString& getIdentifier( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ) const; |
| |
| /** @returns |
| the uno object that is registered with the given identifier. If no uno object |
| is registered with the given identifier, an empty reference is returned. |
| */ |
| const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& getReference( const rtl::OUString& rIdentifier ) const; |
| |
| private: |
| bool findReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface, IdMap_t::const_iterator& rIter ) const; |
| bool findIdentifier( const rtl::OUString& rIdentifier, IdMap_t::const_iterator& rIter ) const; |
| |
| IdMap_t maEntries; |
| sal_Int32 mnNextId; |
| }; |
| |
| } |
| |
| #endif |