Examples of org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup()

Package org.apache.avalon.excalibur.component

Class org.apache.avalon.excalibur.component.ExcaliburComponentManager

Examples of org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup()

org.apache.avalon.excalibur.component.ExcaliburComponentManager.lookup()
Return an instance of a component based on a Role. The Role is usually the Interface's Fully Qualified Name(FQN)--unless there are multiple Components for the same Role. In that case, the Role's FQN is appended with "Selector", and we return a ComponentSelector.

        // Create the ComponentManager
        ExcaliburComponentManager manager = createComponentManager();
        try
        {
            // Obtain a reference to the HelloDBService instance
            HelloDBService helloDB = (HelloDBService)manager.lookup( HelloDBService.ROLE );
            try
            {
                handleRequests( helloDB );
            }
            finally

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                if (parentSelector != null) {
                
                    ExtendedComponentSelector localSelector = null;
                    try {
                        localSelector = (ExtendedComponentSelector)manager.lookup(role);
                        
                        if (localSelector != parentSelector) {
                            // local selector wasn't given by chaining to the parent manager
                            localSelector.setParentSelector(parentSelector);
                        }

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