1 #ifndef __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__ 2 #define __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__ 3 4 #include <map> 5 #include <rtl/ustring.hxx> 6 #include <com/sun/star/uno/XInterface.hpp> 7 8 namespace comphelper 9 { 10 11 typedef ::std::map< rtl::OUString, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > IdMap_t; 12 13 class UnoInterfaceToUniqueIdentifierMapper 14 { 15 public: 16 UnoInterfaceToUniqueIdentifierMapper(); 17 18 /** returns a unique identifier for the given uno object. IF a uno object is 19 registered more than once, the returned identifier is always the same. 20 */ 21 const rtl::OUString& registerReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ); 22 23 /** registers the given uno object with the given identifier. 24 25 @returns 26 false, if the given identifier already exists and is not associated with the given interface 27 */ 28 bool registerReference( const rtl::OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ); 29 30 /** @returns 31 the identifier for the given uno object. If this uno object is not already 32 registered, an empty string is returned 33 */ 34 const rtl::OUString& getIdentifier( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ) const; 35 36 /** @returns 37 the uno object that is registered with the given identifier. If no uno object 38 is registered with the given identifier, an empty reference is returned. 39 */ 40 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& getReference( const rtl::OUString& rIdentifier ) const; 41 42 private: 43 bool findReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface, IdMap_t::const_iterator& rIter ) const; 44 bool findIdentifier( const rtl::OUString& rIdentifier, IdMap_t::const_iterator& rIter ) const; 45 46 IdMap_t maEntries; 47 sal_Int32 mnNextId; 48 }; 49 50 } 51 52 #endif 53