org.apache.tapestry.ioc.services.Coercion Maven / Gradle / Ivy

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// 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 
 * the source type (input)
 * @param 
 * the target type (output)
 */
public interface Coercion
{
    /**
     * Converts an input value.
     *
     * @param input the input value
     */
    T coerce(S input);
}