001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.spec;
016    
017    /**
018     * Defines the different types of bindings possible for a component. These are used in the
019     * {@link IBindingSpecification} and ultimately used to create an instance of
020     * {@link org.apache.tapestry.IBinding}.
021     * 
022     * @author Howard Lewis Ship
023     */
024    
025    public final class BindingType
026    {
027        /**
028         * Indicates that the binding value is a prefixed locator, ready for use with
029         * {@link org.apache.tapestry.binding.BindingSource}.
030         */
031    
032        public static final BindingType PREFIXED = new BindingType("PREFIXED");
033    
034        public static final BindingType INHERITED = new BindingType("INHERITED");
035    
036        /**
037         * Indicates a {@link org.apache.tapestry.binding.ListenerBinding}, a specialized kind of
038         * binding that encapsulates a component listener as a script. Uses a subclass of
039         * {@link BindingSpecification},{@link ListenerBindingSpecification}.
040         * {@link IListenerBindingSpecification}.
041         * 
042         * @since 3.0
043         */
044    
045        public static final BindingType LISTENER = new BindingType("LISTENER");
046    
047        private final String _name;
048    
049        private BindingType(String name)
050        {
051            _name = name;
052        }
053    
054        public String toString()
055        {
056            return "BindingType[" + _name + "]";
057        }
058    }