// Copyright 2006, 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.ioc.Location;

 /**

  * Binding type for literal, immutable values. Literal bindings are {@linkplain org.apache.tapestry5.Binding#isInvariant()

  * invariant}; any value provided by a LiteralBinding, even if {@linkplain org.apache.tapestry5.ioc.services.TypeCoercer#coerce(Object,

  * Class) coerced}, will be cached aggresively by Tapestry cmponent.

  * <p/>

  * <p>LiteralBindings are often used for literal string values supplied in-line in the component template, but is used

  * for many other things as well, any kind of fixed, read-only value.

  */

 public class LiteralBinding extends AbstractBinding

 {

     private final String description;

     private final Object value;

     public LiteralBinding(Location location, String description, Object value)

     {

         super(location);

         this.description = description;

         this.value = value;

     }

     public Object get()

     {

         return value;

     }

     @Override

     public String toString()

     {

         return String.format("LiteralBinding[%s: %s]", description, value);

     }

 }