001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.transform.http.responses;
019
020import com.fasterxml.jackson.databind.ObjectMapper;
021import org.slf4j.Logger;
022
023import javax.ws.rs.ext.ContextResolver;
024import javax.ws.rs.ext.Provider;
025
026import java.text.DateFormat;
027import java.text.SimpleDateFormat;
028
029import static org.slf4j.LoggerFactory.getLogger;
030
031/**
032 * This {@link Provider} adds configuration for the serialization of JSON resources.
033 *
034 * @author awoods
035 * @since Feb 9, 2016
036 */
037@Provider
038public class JsonObjectProvider implements ContextResolver<ObjectMapper> {
039
040    private static final Logger LOGGER = getLogger(JsonObjectProvider.class);
041
042    public static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
043
044    private final ObjectMapper defaultObjectMapper;
045
046    /**
047     * Default constructor
048     */
049    public JsonObjectProvider() {
050        defaultObjectMapper = createDefaultMapper();
051    }
052
053    @Override
054    public ObjectMapper getContext(final Class<?> aClass) {
055        LOGGER.debug("Object mapping for: {}", aClass.getCanonicalName());
056        return defaultObjectMapper;
057    }
058
059    private static ObjectMapper createDefaultMapper() {
060        final ObjectMapper mapper = new ObjectMapper();
061        mapper.setDateFormat(DATE_FORMAT);
062
063        return mapper;
064    }
065}