/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* 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 br.com.caelum.vraptor.core;
import br.com.caelum.vraptor.TwoWayConverter;
import br.com.caelum.vraptor.converter.Converter;
/**
* Represents a collection of all converters registered by VRaptor. When the application
* starts, the {@link #register(Class)} method is called to register all converters found.
* Before registration the default implementation check the priority of each converter,
* and in the case of multiple converter for the same type, only the converter with highest
* priority will registered.
*
* @author Guilherme Silveira
*/
public interface Converters {
/**
* Extracts a converter for this specific type.
*/
<T> Converter<T> to(Class<T> type);
/**
* Register a converter. Implementations must guarantee that converters
* are registered always keeping its priority.
* @param converterClass
*/
void register(Class<? extends Converter<?>> converterClass);
/**
* Returns true if a converter exists for the type.
*/
boolean existsFor(Class<?> type);
boolean existsTwoWayFor(Class<?> type);
TwoWayConverter<?> twoWayConverterFor(Class<?> type);
}