com.huawei.openstack4j.core.transport.ObjectMapperSingleton Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2016 ContainX and OpenStack4j
*
* 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 com.huawei.openstack4j.core.transport;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.annotation.JsonRootName;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
/**
* Default Jackson Mappings
*
* @author Jeremy Unruh
*/
public class ObjectMapperSingleton {
private static final ObjectMapperSingleton INSTANCE = new ObjectMapperSingleton();
ObjectMapper mapper;
ObjectMapper rootMapper;
private ObjectMapperSingleton() {
mapper = new ObjectMapper();
mapper.setSerializationInclusion(Include.NON_NULL);
mapper.enable(SerializationFeature.INDENT_OUTPUT);
mapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
rootMapper = new ObjectMapper();
rootMapper.setSerializationInclusion(Include.NON_NULL);
rootMapper.enable(SerializationFeature.INDENT_OUTPUT);
rootMapper.enable(SerializationFeature.WRAP_ROOT_VALUE);
rootMapper.enable(DeserializationFeature.UNWRAP_ROOT_VALUE);
rootMapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
rootMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
}
public static ObjectMapper getContext(Class type) {
return type.getAnnotation(JsonRootName.class) == null ? INSTANCE.mapper : INSTANCE.rootMapper;
}
}