Difference between revisions of "Documentation/DevGuide/WritingUNO/C++/Create Instance with Arguments"
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Revision as of 11:11, 5 June 2008
- Class Definition with Helper Template Classes
- Implementing your own Interfaces
- Providing a Single Factory Using a Helper Method
- Write Registration Info Using a Helper Method
- Provide Implementation Environment
- Implementing without Helpers
- Storing the Service Manager for Further Use
- Create Instance with Arguments
- Multiple Components in One Dynamic Link Library
- Building and Testing C++ Components
If the service should be raised passing arguments through com.sun.star.lang.XMultiComponentFactory:createInstanceWithArgumentsAndContext() and com.sun.star.lang.XMultiServiceFactory:createInstanceWithArguments(), it has to implement the interface com.sun.star.lang.XInitialization. The second service my_module.MyService2 implements it, expecting a single string as an argument.
// XInitialization implementation void MyService2Impl::initialize( Sequence< Any > const & args ) throw (Exception) { if (1 != args.getLength()) { throw lang::IllegalArgumentException( OUString( RTL_CONSTASCII_USTRINGPARAM("give a string instanciating this component!") ), (::cppu::OWeakObject *)this, // resolve to XInterface reference 0 ); // argument pos } if (! (args[ 0 ] >>= m_arg)) { throw lang::IllegalArgumentException( OUString( RTL_CONSTASCII_USTRINGPARAM("no string given as argument!") ), (::cppu::OWeakObject *)this, // resolve to XInterface reference 0 ); // argument pos } }
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