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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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.datarouter.policy;
import java.io.FileNotFoundException;
import org.apache.camel.Exchange;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.datarouter.logging.EntityEventPolicyMsgs;
public class GapEventTransformer {
protected Logger logger;
protected static final String additionalInfo = "Response of GapEvent to transform";
protected enum ResponseType {
SUCCESS, PARTIAL_SUCCESS, FAILURE;
}
public GapEventTransformer() throws FileNotFoundException {
LoggerFactory loggerFactoryInstance = LoggerFactory.getInstance();
logger = loggerFactoryInstance.getLogger(AbstractSpikeEntityEventProcessor.class.getName());
}
public void process(Exchange exchange) throws Exception {
String payload = getExchangeBody(exchange);
JSONObject newPayload = transformToSpikePattern(payload);
exchange.getOut().setBody(newPayload.toString());
}
protected JSONObject transformToSpikePattern(String payload) {
JSONObject payloadJson = new JSONObject(payload);
JSONObject payloadEntity = payloadJson.getJSONObject("entity");
JSONObject payloadProperties = payloadEntity.getJSONObject("properties");
String payloadId = payloadEntity.getString("id");
String payloadType = payloadEntity.getString("type");
JSONObject newPayload = new JSONObject();
newPayload.put("operation", "UPDATE");
JSONObject newPayloadVertex = new JSONObject();
newPayloadVertex.put("key", payloadId);
newPayloadVertex.put("type", payloadType);
newPayloadVertex.put("properties", payloadProperties);
newPayload.put("vertex", newPayloadVertex);
return newPayload;
}
protected String getExchangeBody(Exchange exchange) {
String uebPayload = exchange.getIn().getBody().toString();
if (uebPayload == null || !isJSONValid(uebPayload)) {
uebPayload = exchange.getIn().getBody(String.class);
if (uebPayload == null || !isJSONValid(uebPayload)) {
returnWithError(exchange, uebPayload, "Invalid Payload");
return null;
}
}
return uebPayload;
}
private boolean isJSONValid(String test) {
try {
new JSONObject(test);
} catch (JSONException ex) {
return false;
}
return true;
}
protected void returnWithError(Exchange exchange, String payload, String errorMsg) {
logger.error(EntityEventPolicyMsgs.DISCARD_EVENT_NONVERBOSE, errorMsg);
logger.debug(EntityEventPolicyMsgs.DISCARD_EVENT_VERBOSE, errorMsg, payload);
setResponse(exchange, ResponseType.FAILURE, additionalInfo);
}
protected void setResponse(Exchange exchange, ResponseType responseType, String additionalInfo) {
exchange.getOut().setHeader("ResponseType", responseType.toString());
exchange.getOut().setBody(additionalInfo);
}
}
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