1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 #ifndef __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__ 23 #define __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__ 24 25 #include <map> 26 #include <rtl/ustring.hxx> 27 #include <com/sun/star/uno/XInterface.hpp> 28 29 namespace comphelper 30 { 31 32 typedef ::std::map< rtl::OUString, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > IdMap_t; 33 34 class UnoInterfaceToUniqueIdentifierMapper 35 { 36 public: 37 UnoInterfaceToUniqueIdentifierMapper(); 38 39 /** returns a unique identifier for the given uno object. IF a uno object is 40 registered more than once, the returned identifier is always the same. 41 */ 42 const rtl::OUString& registerReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ); 43 44 /** registers the given uno object with the given identifier. 45 46 @returns 47 false, if the given identifier already exists and is not associated with the given interface 48 */ 49 bool registerReference( const rtl::OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ); 50 51 /** @returns 52 the identifier for the given uno object. If this uno object is not already 53 registered, an empty string is returned 54 */ 55 const rtl::OUString& getIdentifier( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ) const; 56 57 /** @returns 58 the uno object that is registered with the given identifier. If no uno object 59 is registered with the given identifier, an empty reference is returned. 60 */ 61 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& getReference( const rtl::OUString& rIdentifier ) const; 62 63 private: 64 bool findReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface, IdMap_t::const_iterator& rIter ) const; 65 bool findIdentifier( const rtl::OUString& rIdentifier, IdMap_t::const_iterator& rIter ) const; 66 67 IdMap_t maEntries; 68 sal_Int32 mnNextId; 69 }; 70 71 } 72 73 #endif 74