// Copyright 2006, 2007, 2008, 2009 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.tapestry5.internal.bindings;

 import org.apache.tapestry5.Binding;

 import org.apache.tapestry5.ComponentResources;

 import org.apache.tapestry5.PropertyConduit;

 import org.apache.tapestry5.internal.services.StringInterner;

 import org.apache.tapestry5.ioc.Location;

 import org.apache.tapestry5.services.BindingFactory;

 import org.apache.tapestry5.services.PropertyConduitSource;

 /**

  * Binding factory for reading and updating JavaBean properties.

  * <p/>

  * Expression are evaluated via a {@link PropertyConduit}, which is generated by {@link PropertyConduitSource} (which

  * therefore defines the expression language).

  */

 public class PropBindingFactory implements BindingFactory

 {

     private final PropertyConduitSource source;

     private final StringInterner interner;

     public PropBindingFactory(PropertyConduitSource propertyConduitSource, StringInterner interner)

     {

         source = propertyConduitSource;

         this.interner = interner;

     }

     public Binding newBinding(String description, ComponentResources container,

                               ComponentResources component, String expression, Location location)

     {

         Object target = container.getComponent();

         Class targetClass = target.getClass();

         PropertyConduit conduit = source.create(targetClass, expression);

         String toString = interner.format("PropBinding[%s %s(%s)]", description, container

                 .getCompleteId(), expression);

         return new PropBinding(location, target, conduit, toString);

     }

 }