| // Copyright 2006 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.ioc.services;
|
|
|
| /**
|
| * Responsible for converting from one type to another. This is used primarily around component
|
| * parameters.
|
| *
|
| * @param <S>
|
| * the source type (input)
|
| * @param <T>
|
| * the target type (output)
|
| */
|
| public interface Coercion<S, T>
|
| {
|
| /**
|
| * Converts an input value.
|
| *
|
| * @param input the input value
|
| */
|
| T coerce(S input);
|
| }
|