| // 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.param; |
| |
| import org.apache.tapestry.IRequestCycle; |
| |
| /** |
| * Define a type of connector between a binding of a component and a JavaBeans |
| * property of the component (with the same name). Allows |
| * for the parameter to be set before the component is rendered, |
| * then cleared after the component is rendered. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 2.0.3 |
| * |
| **/ |
| |
| public interface IParameterConnector |
| { |
| /** |
| * Sets the parameter from the binding. |
| * |
| * @throws RequiredParameterException if the parameter is |
| * required, but the {@link org.apache.tapestry.IBinding} |
| * supplies a null value. |
| * |
| **/ |
| |
| public void setParameter(IRequestCycle cycle); |
| |
| /** |
| * Clears the parameters to a null, 0 or false value |
| * (depending on type). |
| * |
| **/ |
| |
| public void resetParameter(IRequestCycle cycle); |
| } |