JacksonConfig.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2015, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * 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.jboss.quickstarts.util;

import java.text.SimpleDateFormat;

import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * This is a config class that effects the Jackson library used to translate the data over the REST endpoint.
 *
 * @author Joshua Wilson, Vineet Reynolds
 *
 */
@Provider
@Produces(MediaType.APPLICATION_JSON)
public class JacksonConfig implements ContextResolver<ObjectMapper> {
    private ObjectMapper objectMapper;

    // Configure the Date coming from the client to be in ISO-8601 instead of milliseconds from the epoch.
    public JacksonConfig() throws Exception {
        this.objectMapper = new ObjectMapper();
        this.objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd"));
    }

    @Override
    public ObjectMapper getContext(Class<?> objectType) {
        return objectMapper;
    }
}