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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 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.appc.provider.lcm.service;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.Action;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.QuiesceTrafficInput;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.QuiesceTrafficOutput;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.QuiesceTrafficOutputBuilder;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.Payload;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.action.identifiers.ActionIdentifiers;
import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.common.header.CommonHeader;
import org.onap.appc.requesthandler.objects.RequestHandlerInput;
import org.onap.appc.executor.objects.LCMCommandStatus;
import org.onap.appc.util.JsonUtil;
import java.io.IOException;
import java.util.Map;
/**
* Provide LCM command service for Quiesce VNF traffic
*/
public class QuiesceTrafficService extends AbstractBaseService {
/**
* Constructor
*/
public QuiesceTrafficService() {
super(Action.QuiesceTraffic);
logger.debug("QuiesceTrafficService starts");
}
/**
* Process the quiesce request
* @param input of QuiesceTrafficInput from the REST API input
* @return QuiesceTrafficOutputBuilder which has the process results
*/
public QuiesceTrafficOutputBuilder process(QuiesceTrafficInput input) {
CommonHeader commonHeader = input.getCommonHeader();
ActionIdentifiers actionIdentifiers = input.getActionIdentifiers();
Payload payload = input.getPayload();
validate(commonHeader, input.getAction(), actionIdentifiers, payload);
if (status == null) {
proceedAction(commonHeader,actionIdentifiers,payload);
}
QuiesceTrafficOutputBuilder outputBuilder = new QuiesceTrafficOutputBuilder();
outputBuilder.setStatus(status);
outputBuilder.setCommonHeader(input.getCommonHeader());
return outputBuilder;
}
/**
* Validate the input.
* Set Status if any error occurs.
*
* @param input of QuiesceTrafficInput from the REST API input
*/
void validate(CommonHeader commonHeader,
Action action,
ActionIdentifiers actionIdentifiers,
Payload payload) {
status = validateVnfId(commonHeader, action, actionIdentifiers);
if (status != null) {
return;
}
// validate payload
String keyName = "payload";
if (payload == null) {
status = buildStatusForParamName(LCMCommandStatus.MISSING_MANDATORY_PARAMETER, keyName);
return;
}
String payloadString = payload.getValue();
status = validateMustHaveParamValue(payloadString == null ? payloadString : payloadString.trim(), "payload");
if (status != null) {
return;
}
try {
Map<String, String> payloadMap = JsonUtil.convertJsonStringToFlatMap(payloadString);
validateMustHaveParamValue(payloadMap.get(keyName), keyName);
} catch (IOException e) {
logger.error(String.format("QuiesceTrafficService (%s) got IOException when converting payload", rpcName), e);
status = buildStatusForErrorMsg(LCMCommandStatus.UNEXPECTED_ERROR, e.getMessage());
}
}
/**
* Proceed to action for the quiesce VNF traffic.
*
* @param input of QuiesceTrafficInput from the REST API input
*/
void proceedAction(CommonHeader commonHeader,
ActionIdentifiers actionIdentifiers,
Payload payload) {
RequestHandlerInput requestHandlerInput = getRequestHandlerInput(commonHeader, actionIdentifiers, payload,
this.getClass().getName());
if (requestHandlerInput != null) {
executeAction(requestHandlerInput);
}
}
}
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