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/*******************************************************************************
* =============LICENSE_START=========================================================
*
* =================================================================================
* Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*******************************************************************************/
package org.onap.ccsdk.dashboard.model;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
/**
* Base class for POJOs that transport data in the ECOMP Controller webapp.
*/
public abstract class ECTransportModel {
protected final ObjectMapper mapper = new ObjectMapper();
public ECTransportModel() {
// Do not serialize null values
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
// toString should yield pretty version
mapper.configure(SerializationFeature.INDENT_OUTPUT, true);
// tolerate empty strings where object is expected
mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
}
/**
* Convenience method that serializes content as JSON and catches any
* exception so this method can be easily used in a catch clause.
*
* @return A REST error response object as well-formed JSON
*/
public String toString() {
String json = null;
try {
json = mapper.writeValueAsString(this);
} catch (JsonProcessingException jpe) {
// Should never, ever happen
json = "{ \"error\" : \"" + jpe.toString() + "\"}";
}
return json;
}
}
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