| // Copyright 2004 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.spec; |
| |
| import org.apache.commons.lang.enum.Enum; |
| |
| /** |
| * Defines the different types of bindings possible for a component. |
| * These are used in the {@link IBindingSpecification} and ultimately |
| * used to create an instance of {@link org.apache.tapestry.IBinding}. |
| * |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * |
| **/ |
| |
| public final class BindingType extends Enum |
| { |
| /** |
| * Indicates a {@link org.apache.tapestry.binding.StaticBinding}. |
| * |
| **/ |
| |
| public static final BindingType STATIC = new BindingType("STATIC"); |
| |
| /** |
| * Indicates a standard {@link org.apache.tapestry.binding.ExpressionBinding}. |
| * |
| **/ |
| |
| public static final BindingType DYNAMIC = new BindingType("DYNAMIC"); |
| |
| /** |
| * Indicates that an existing binding (from the container) will be |
| * re-used. |
| * |
| **/ |
| |
| public static final BindingType INHERITED = new BindingType("INHERITED"); |
| |
| /** |
| * Indicates a {@link org.apache.tapestry.binding.FieldBinding}. |
| * |
| * <p> |
| * Field bindings are only available in the 1.3 DTD. The 1.4 DTD |
| * does not support them (since OGNL expressions can do the same thing). |
| * |
| **/ |
| |
| public static final BindingType FIELD = new BindingType("FIELD"); |
| |
| /** |
| * Indicates a {@link org.apache.tapestry.binding.ListenerBinding}, a |
| * specialized kind of binding that encapsulates a component listener |
| * as a script. Uses a subclass of {@link BindingSpecification}, |
| * {@link ListenerBindingSpecification}. |
| * {@link IListenerBindingSpecification}. |
| * |
| * @since 3.0 |
| * |
| **/ |
| |
| public static final BindingType LISTENER = new BindingType("LISTENER"); |
| |
| /** |
| * A binding to one of a component's localized strings. |
| * |
| * @see org.apache.tapestry.IComponent#getString(String) |
| * |
| * @since 2.0.4 |
| * |
| **/ |
| |
| public static final BindingType STRING = new BindingType("STRING"); |
| |
| private BindingType(String name) |
| { |
| super(name); |
| } |
| |
| } |