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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
* ================================================================================
* Modifications Copyright (C) 2018 IBM.
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.so.adapters.vfc.util;
import java.io.IOException;
import org.onap.so.logger.LoggingAnchor;
import org.onap.so.adapters.vfc.constant.HttpCode;
import org.onap.so.adapters.vfc.exceptions.ApplicationException;
import org.onap.logging.filter.base.ErrorCode;
import org.onap.so.logger.MessageEnum;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Interface for json analyzing.<br/>
* <p>
* </p>
*
* @author
* @version ONAP Amsterdam Release 2017-9-6
*/
public class JsonUtil {
/**
* Log service
*/
private static final Logger logger = LoggerFactory.getLogger(JsonUtil.class);
/**
* Mapper.
*/
private static final ObjectMapper MAPPER = new ObjectMapper();
private static final String UNMARSHAL_FAIL_MSG = "fail to unMarshal json";
static {
MAPPER.setConfig(MAPPER.getDeserializationConfig().without(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES));
MAPPER.setSerializationInclusion(Include.NON_NULL);
}
/**
* Constructor<br/>
* <p>
* </p>
*
* @since ONAP Amsterdam Release 2017-9-6
*/
private JsonUtil() {
}
/**
* Parse the string in form of json.<br/>
*
* @param jsonstr json string.
* @param type that convert json string to
* @return model object
* @since ONAP Amsterdam Release 2017-9-6
*/
public static <T> T unMarshal(String jsonstr, Class<T> type) throws ApplicationException {
try {
return MAPPER.readValue(jsonstr, type);
} catch (IOException e) {
logger.error(LoggingAnchor.THREE, MessageEnum.RA_NS_EXC.toString(),
ErrorCode.BusinessProcessError.getValue(), UNMARSHAL_FAIL_MSG, e);
throw new ApplicationException(HttpCode.BAD_REQUEST, UNMARSHAL_FAIL_MSG);
}
}
/**
* Parse the string in form of json.<br/>
*
* @param jsonstr json string.
* @param type that convert json string to
* @return model object
* @since ONAP Amsterdam Release 2017-9-6
*/
public static <T> T unMarshal(String jsonstr, TypeReference<T> type) throws ApplicationException {
try {
return MAPPER.readValue(jsonstr, type);
} catch (IOException e) {
logger.error(LoggingAnchor.THREE, MessageEnum.RA_NS_EXC.toString(),
ErrorCode.BusinessProcessError.getValue(), UNMARSHAL_FAIL_MSG, e);
throw new ApplicationException(HttpCode.BAD_REQUEST, UNMARSHAL_FAIL_MSG);
}
}
/**
* Convert object to json string.<br/>
*
* @param srcObj data object
* @return json string
* @since ONAP Amsterdam Release 2017-9-6
*/
public static String marshal(Object srcObj) throws ApplicationException {
try {
return MAPPER.writeValueAsString(srcObj);
} catch (IOException e) {
logger.error(LoggingAnchor.THREE, MessageEnum.RA_NS_EXC.toString(),
ErrorCode.BusinessProcessError.getValue(), "fail to marshal json", e);
throw new ApplicationException(HttpCode.BAD_REQUEST, "srcObj marshal failed!");
}
}
/**
* Get mapper.<br/>
*
* @return mapper
* @since ONAP Amsterdam Release 2017-9-6
*/
public static ObjectMapper getMapper() {
return MAPPER;
}
}
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