001package votorola.g.web.wic; // Copyright 2008, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE.
002
003import org.apache.wicket.model.*;
004import votorola.g.lang.*;
005
006
007/** IWrapModel utilities.
008  */
009public @ThreadSafe final class IWrapModelX
010{
011
012
013    private IWrapModelX() {}
014
015
016
017    /** Recursively unwraps the model, returning the underlying, wrapped model.
018      *
019      *     @return ultimate wrapped model, or same model if none is wrapped
020      */
021    public static IModel<?> unwrap( IModel<?> model )
022    {
023        return model instanceof IWrapModel? unwrap(((IWrapModel)model).getWrappedModel()): model;
024    }
025
026
027
028}