branch-1.2/ambari-server/src/main/java/org/apache/ambari/eventdb/webservice/JAXBContextResolver.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.ambari.eventdb.webservice;

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

import org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;

@Provider
public class JAXBContextResolver extends JacksonJaxbJsonProvider {
  public JAXBContextResolver() {
    super();
  }
  
  @Override
  public ObjectMapper locateMapper(Class<?> type, MediaType mediaType) {
    ObjectMapper mapper = super.locateMapper(type, mediaType);
    mapper.setSerializationInclusion(Inclusion.NON_NULL);
    return mapper;
  }
}