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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2018 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=========================================================
*/
package org.onap.so.bpmn.infrastructure.adapter.vnf.tasks;
import org.apache.commons.lang3.StringUtils;
import org.onap.so.adapters.vnfrest.CreateVfModuleResponse;
import org.onap.so.adapters.vnfrest.CreateVolumeGroupResponse;
import org.onap.so.adapters.vnfrest.DeleteVfModuleResponse;
import org.onap.so.adapters.vnfrest.DeleteVolumeGroupResponse;
import org.onap.so.bpmn.common.BuildingBlockExecution;
import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VolumeGroup;
import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
import org.onap.so.client.exception.ExceptionBuilder;
import org.onap.so.exceptions.MarshallerException;
import org.onap.so.logger.MessageEnum;
import org.onap.so.logger.MsoLogger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;
import java.io.StringReader;
@Component
public class VnfAdapterImpl {
private static final MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, VnfAdapterCreateTasks.class);
@Autowired
private ExtractPojosForBB extractPojosForBB;
@Autowired
private ExceptionBuilder exceptionUtil;
public void preProcessVnfAdapter(BuildingBlockExecution execution) {
try {
GeneralBuildingBlock gBBInput = execution.getGeneralBuildingBlock();
ServiceInstance serviceInstance = extractPojosForBB.extractByKey(execution, ResourceKey.SERVICE_INSTANCE_ID, execution.getLookupMap().get(ResourceKey.SERVICE_INSTANCE_ID));
execution.setVariable("mso-request-id", gBBInput.getRequestContext().getMsoRequestId());
execution.setVariable("mso-service-instance-id", serviceInstance.getServiceInstanceId());
execution.setVariable("heatStackId", null);
} catch (Exception ex) {
exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
}
}
public void postProcessVnfAdapter(BuildingBlockExecution execution) {
try {
String vnfAdapterResponse = execution.getVariable("vnfAdapterRestV1Response");
if (!StringUtils.isEmpty( vnfAdapterResponse)) {
Object vnfRestResponse = unMarshal(vnfAdapterResponse);
if(vnfRestResponse instanceof CreateVfModuleResponse) {
VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID, execution.getLookupMap().get(ResourceKey.VF_MODULE_ID));
String heatStackId = ((CreateVfModuleResponse) vnfRestResponse).getVfModuleStackId();
if(!StringUtils.isEmpty(heatStackId)) {
vfModule.setHeatStackId(heatStackId);
execution.setVariable("heatStackId", heatStackId);
}
} else if(vnfRestResponse instanceof DeleteVfModuleResponse) {
VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID, execution.getLookupMap().get(ResourceKey.VF_MODULE_ID));
Boolean vfModuleDelete = ((DeleteVfModuleResponse) vnfRestResponse).getVfModuleDeleted();
if(null!= vfModuleDelete && vfModuleDelete) {
vfModule.setHeatStackId(null);
execution.setVariable("heatStackId", null);
}
} else if(vnfRestResponse instanceof CreateVolumeGroupResponse) {
VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID, execution.getLookupMap().get(ResourceKey.VOLUME_GROUP_ID));
String heatStackId = ((CreateVolumeGroupResponse) vnfRestResponse).getVolumeGroupStackId();
if(!StringUtils.isEmpty(heatStackId)) {
volumeGroup.setHeatStackId(heatStackId);
execution.setVariable("heatStackId", heatStackId);
}else{
exceptionUtil.buildAndThrowWorkflowException(execution, 7000, "HeatStackId is missing from create VolumeGroup Vnf Adapter response.");
}
} else if(vnfRestResponse instanceof DeleteVolumeGroupResponse) {
VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID, execution.getLookupMap().get(ResourceKey.VOLUME_GROUP_ID));
Boolean volumeGroupDelete = ((DeleteVolumeGroupResponse) vnfRestResponse).getVolumeGroupDeleted();
if(null!= volumeGroupDelete && volumeGroupDelete) {
volumeGroup.setHeatStackId(null);
execution.setVariable("heatStackId", null);
}
}
}
} catch (Exception ex) {
exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
}
}
private Object unMarshal(String input) throws MarshallerException {
try {
SAXParserFactory spf = SAXParserFactory.newInstance();
spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
spf.setFeature("http://xml.org/sax/features/external-general-entities", false);
spf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
spf.setNamespaceAware(true);
XMLReader xmlReader = spf.newSAXParser().getXMLReader();
JAXBContext jaxbContext = JAXBContext.newInstance(CreateVfModuleResponse.class,
CreateVolumeGroupResponse.class,DeleteVfModuleResponse.class,DeleteVolumeGroupResponse.class);
Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
InputSource inputSource = new InputSource(new StringReader(input));
SAXSource source = new SAXSource(xmlReader, inputSource);
return jaxbUnmarshaller.unmarshal(source);
} catch (Exception e) {
msoLogger.error(MessageEnum.GENERAL_EXCEPTION, "", "", "", MsoLogger.ErrorCode.SchemaError, e.getMessage(), e);
throw new MarshallerException("Error parsing VNF Adapter response. " + e.getMessage(), MsoLogger.ErrorCode.SchemaError.getValue(), e);
}
}
}
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