// Copyright 2008 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry.internal.bindings;
import org.apache.tapestry.Binding;
import org.apache.tapestry.ComponentResources;
import org.apache.tapestry.NullFieldStrategy;
import org.apache.tapestry.ioc.Location;
import org.apache.tapestry.services.BindingFactory;
import org.apache.tapestry.services.NullFieldStrategySource;
/**
* Treats the expression as the name of a {@link org.apache.tapestry.NullFieldStrategy}, accessed via the {@link
* org.apache.tapestry.services.NullFieldStrategySource} service.
*/
public class NullFieldStrategyBindingFactory implements BindingFactory
{
private NullFieldStrategySource _strategySource;
public NullFieldStrategyBindingFactory(NullFieldStrategySource strategySource)
{
_strategySource = strategySource;
}
public Binding newBinding(String description, ComponentResources container, ComponentResources component,
String expression, Location location)
{
NullFieldStrategy strategy = _strategySource.get(expression);
return new LiteralBinding(description, strategy, location);
}
}