001// Licensed under the Apache License, Version 2.0 (the "License");
002// you may not use this file except in compliance with the License.
003// You may obtain a copy of the License at
004//
005//     http://www.apache.org/licenses/LICENSE-2.0
006//
007// Unless required by applicable law or agreed to in writing, software
008// distributed under the License is distributed on an "AS IS" BASIS,
009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
010// See the License for the specific language governing permissions and
011// limitations under the License.
012package org.apache.tapestry5.jacksondatabind.services;
013
014import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration;
015import org.apache.tapestry5.services.rest.MappedEntityManager;
016
017import com.fasterxml.jackson.databind.ObjectMapper;
018
019/**
020 * <p>
021 * Service that provides {@link ObjectMapper} instances for specific mapped entity classes.
022 * <p>
023 * <p>
024 * It's defined as an ordered configuration of {@link ObjectMapperSource} instances. 
025 * Calls to {@link #get(Class)} will call the same method in contributed instances until
026 * one returns a non-null {@link ObjectMapper} instance.
027 * </p>
028 * @see ObjectMapper
029 * @see MappedEntityManager
030 * @since 5.8.0
031 */
032@UsesOrderedConfiguration(ObjectMapperSource.class)
033public interface ObjectMapperSource 
034{
035    
036    /**
037     * Provides the {@linkplain ObjectMapper} to be used for a given mapped entity class.
038     */
039    ObjectMapper get(Class<?> clasz);
040
041}