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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright © 2018 IBM.
* ================================================================================
* 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.aai.util;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.module.jaxb.JaxbAnnotationModule;
import org.onap.aai.exceptions.AAIException;
public class MapperUtil {
/**
* Instantiates MapperUtil.
*/
private MapperUtil() {
// prevent instantiation
}
/**
* Read as object of.
*
* @param <T> the generic type
* @param clazz the clazz
* @param value the value
* @return the t
* @throws AAIException the AAI exception
*/
public static <T> T readAsObjectOf(Class<T> clazz, String value) throws AAIException {
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.readValue(value, clazz);
} catch (Exception e) {
throw new AAIException("AAI_4007", e);
}
}
/**
* Read with dashes as object of.
*
* @param <T> the generic type
* @param clazz the clazz
* @param value the value
* @return the t
* @throws AAIException the AAI exception
*/
public static <T> T readWithDashesAsObjectOf(Class<T> clazz, String value) throws AAIException {
ObjectMapper mapper = new ObjectMapper();
try {
mapper.registerModule(new JaxbAnnotationModule());
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, false);
return mapper.readValue(value, clazz);
} catch (Exception e) {
throw new AAIException("AAI_4007", e);
}
}
/**
* Write as JSON string.
*
* @param obj the obj
* @return the string
* @throws AAIException the AAI exception
*/
public static String writeAsJSONString(Object obj) throws AAIException {
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.writeValueAsString(obj);
} catch (Exception e) {
throw new AAIException("AAI_4008", e);
}
}
/**
* Write as JSON string with dashes.
*
* @param obj the obj
* @return the string
* @throws AAIException the AAI exception
*/
public static String writeAsJSONStringWithDashes(Object obj) throws AAIException {
ObjectMapper mapper = new ObjectMapper();
try {
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
mapper.configure(SerializationFeature.INDENT_OUTPUT, false);
mapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, false);
mapper.registerModule(new JaxbAnnotationModule());
return mapper.writeValueAsString(obj);
} catch (Exception e) {
throw new AAIException("AAI_4008", e);
}
}
}
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