--- /dev/null
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017-2018 European Software Marketing Ltd.
+ * ================================================================================
+ * 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.babel.xml.generator.api;
+
+import java.io.StringWriter;
+import java.util.List;
+import java.util.Set;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import org.onap.aai.babel.logging.ApplicationMsgs;
+import org.onap.aai.babel.logging.LogHelper;
+import org.onap.aai.babel.xml.generator.model.Resource;
+import org.onap.aai.babel.xml.generator.model.Service;
+import org.onap.aai.babel.xml.generator.model.Widget;
+import org.onap.aai.babel.xml.generator.xsd.Model;
+import org.onap.aai.babel.xml.generator.xsd.ModelElement;
+import org.onap.aai.babel.xml.generator.xsd.ModelElements;
+import org.onap.aai.babel.xml.generator.xsd.ModelVer;
+import org.onap.aai.babel.xml.generator.xsd.ModelVers;
+import org.onap.aai.babel.xml.generator.xsd.Relationship;
+import org.onap.aai.babel.xml.generator.xsd.RelationshipData;
+import org.onap.aai.babel.xml.generator.xsd.RelationshipList;
+import org.onap.aai.cl.api.Logger;
+import org.w3c.dom.DOMException;
+
+/**
+ * Implementation of the {@link AaiModelGenerator} which generates the XML models from the Service/Resource/Widget java
+ * models.
+ */
+public class AaiModelGeneratorImpl implements AaiModelGenerator {
+ private static Logger log = LogHelper.INSTANCE;
+
+ /**
+ * Method to generate the AAI model for a Service.
+ *
+ * @param service Java object model representing an AAI {@link Service} model
+ * @return XML representation of the service model in String format
+ */
+ @Override
+ public String generateModelFor(Service service) {
+ // Create a JAXB Model for AAI service model
+ Model aaiServiceModel = new Model();
+ log.debug("Generating Model for Service with ModelName: " + service.getModelName());
+ // after new model
+ aaiServiceModel.setModelInvariantId(service.getModelId());
+ aaiServiceModel.setModelVers(new ModelVers());
+ ModelVer modelVer = new ModelVer();
+ modelVer.setModelDescription(service.getModelDescription());
+ modelVer.setModelName(service.getModelName());
+ modelVer.setModelVersion(service.getModelVersion());
+ modelVer.setModelVersionId(service.getModelNameVersionId());
+ modelVer.setModelElements(new ModelElements());
+ ModelElements modelElements = modelVer.getModelElements();
+ // Populate basic model details
+ aaiServiceModel.setModelType(service.getModelType().name().toLowerCase()); // Using enum name as model type
+ List<ModelElement> modelElementList = modelElements.getModelElement();
+
+ // Add service base widget model element
+ ModelElement serviceWidgetModelRelationshipElement = createRelationshipModelElement(
+ getNewDataDelFlagValue(service.getDeleteFlag()), service.getWidgetId(), service.getWidgetInvariantId());
+ modelElementList.add(serviceWidgetModelRelationshipElement);
+
+ // Add the resource model elements
+ ModelElements serviceModelElements = serviceWidgetModelRelationshipElement.getModelElements();
+ List<ModelElement> serviceModelElementList = serviceModelElements.getModelElement();
+ Set<Resource> serviceResources = service.getResources();
+ if (serviceResources != null && !serviceResources.isEmpty()) {
+ for (Resource resourceModel : serviceResources) {
+ ModelElement aaiResourceModelElement =
+ createRelationshipModelElement(getNewDataDelFlagValue(resourceModel.getDeleteFlag()),
+ resourceModel.getModelNameVersionId(), resourceModel.getModelId());
+ serviceModelElementList.add(aaiResourceModelElement);
+ }
+ }
+
+ // Add the widget model elements
+ Set<Widget> serviceWidgets = service.getWidgets();
+ if (serviceWidgets != null && !serviceWidgets.isEmpty()) {
+ for (Widget widgetModel : serviceWidgets) {
+ ModelElement widgetModelElement =
+ createRelationshipModelElement(getNewDataDelFlagValue(widgetModel.getDeleteFlag()),
+ widgetModel.getId(), widgetModel.getWidgetId());
+ serviceModelElementList.add(widgetModelElement);
+ }
+ }
+ ModelVers modelVers = aaiServiceModel.getModelVers();
+ List<ModelVer> modelVerList = modelVers.getModelVer();
+ modelVerList.add(modelVer);
+ return getModelAsString(aaiServiceModel);
+ }
+
+ /**
+ * Method to generate the AAI model for a Resource.
+ *
+ * @param resource Java object model representing an AAI {@link Resource} model
+ * @return XML representation of the resource model in String format
+ */
+ @Override
+ public String generateModelFor(Resource resource) {
+ // Create a JAXB Model for AAI Resource model
+ Model aaiResourceModel = new Model();
+ log.debug("Generating Model for Resource with ModelName: " + resource.getModelName());
+ aaiResourceModel.setModelInvariantId(resource.getModelId());
+ aaiResourceModel.setModelVers(new ModelVers());
+ ModelVer modelVer = new ModelVer();
+ modelVer.setModelDescription(resource.getModelDescription());
+ modelVer.setModelName(resource.getModelName());
+ modelVer.setModelVersion(resource.getModelVersion());
+ modelVer.setModelVersionId(resource.getModelNameVersionId());
+ modelVer.setModelElements(new ModelElements());
+ ModelElements modelElements = modelVer.getModelElements();
+ aaiResourceModel.setModelType(resource.getModelType().name().toLowerCase()); // Using enum name as model type
+ List<ModelElement> modelElementList = modelElements.getModelElement();
+
+ // Add resource base widget model element
+ ModelElement resourceWidgetModelRelationshipElement =
+ createRelationshipModelElement(getNewDataDelFlagValue(resource.getDeleteFlag()), resource.getWidgetId(),
+ resource.getWidgetInvariantId());
+ modelElementList.add(resourceWidgetModelRelationshipElement);
+
+ // Add the child resources to the base widget model element list
+ ModelElements baseResourceWidgetModelElements = resourceWidgetModelRelationshipElement.getModelElements();
+ List<ModelElement> baseResourceWidgetModelElementList = baseResourceWidgetModelElements.getModelElement();
+ Set<Resource> childResources = resource.getResources();
+ if (childResources != null && !childResources.isEmpty()) {
+ for (Resource childResourceModel : childResources) {
+ ModelElement aaiChildResourceModelElement =
+ createRelationshipModelElement(getNewDataDelFlagValue(childResourceModel.getDeleteFlag()),
+ childResourceModel.getModelNameVersionId(), childResourceModel.getModelId());
+ baseResourceWidgetModelElementList.add(aaiChildResourceModelElement);
+ }
+ }
+ // Add resource widgets/resources to the resource widget model relationship element
+ Set<Widget> resourceWidgets = resource.getWidgets();
+ if (resourceWidgets != null && !resourceWidgets.isEmpty()) {
+ generateWidgetChildren(resourceWidgetModelRelationshipElement, resourceWidgets);
+ }
+
+ ModelVers modelVers = aaiResourceModel.getModelVers();
+ List<ModelVer> modelVerList = modelVers.getModelVer();
+ modelVerList.add(modelVer);
+ return getModelAsString(aaiResourceModel);
+ }
+
+ /**
+ * Method to create the <model-element></model-element> holding the relationship value for a resource/widget model.
+ *
+ * @param newDataDelFlag Value of the <new-data-del-flag></new-data-del-flag> attribute for a widget/resource in the
+ * model xml
+ * @param relationshipValue Value of the <relationship-value></relationship-value> attribute for the widget/resource
+ * in the model xml
+ * @return Java object representation for the <model-element></model-element> holding the relationship
+ */
+ private ModelElement createRelationshipModelElement(String newDataDelFlag, String modelVersionId,
+ String modelInvariantId) {
+ ModelElement relationshipModelElement = new ModelElement();
+ relationshipModelElement.setNewDataDelFlag(newDataDelFlag); // Set new-data-del-flag value
+ relationshipModelElement.setCardinality("unbounded");
+ RelationshipList relationShipList = new RelationshipList();
+ final List<Relationship> relationships = relationShipList.getRelationship();
+ Relationship relationship = new Relationship();
+ relationship.setRelatedTo("model-ver");
+ List<RelationshipData> relationshipDataList = relationship.getRelationshipData();
+
+ RelationshipData modelVersionRelationshipData = new RelationshipData();
+ modelVersionRelationshipData.setRelationshipKey("model-ver.model-version-id");
+ modelVersionRelationshipData.setRelationshipValue(modelVersionId); // Set the widget/resource name-version-uuid
+ // as value
+ relationshipDataList.add(modelVersionRelationshipData);
+ RelationshipData modelInvariantRelationshipData = new RelationshipData();
+ modelInvariantRelationshipData.setRelationshipKey("model.model-invariant-id");
+ modelInvariantRelationshipData.setRelationshipValue(modelInvariantId);
+ relationshipDataList.add(modelInvariantRelationshipData);
+ relationships.add(relationship);
+ relationshipModelElement.setRelationshipList(relationShipList);
+ relationshipModelElement.setModelElements(new ModelElements());
+ return relationshipModelElement;
+ }
+
+ /**
+ * Method to create the child model elements of the widget. Handles the generation of recursive child widget
+ * elements (if any)
+ *
+ * @param parent Reference to the parent widget model element
+ * @param widgetChildrenSet Set of children obtained from the tosca/widget definition
+ */
+ private void generateWidgetChildren(ModelElement parent, Set<Widget> widgetChildrenSet) {
+ for (Widget widget : widgetChildrenSet) {
+ Set<Widget> widgetSubChildren = widget.getWidgets();
+ if (widgetSubChildren != null && !widgetSubChildren.isEmpty()) {
+ ModelElement widgetChildRelationshipElement = createRelationshipModelElement(
+ getNewDataDelFlagValue(widget.getDeleteFlag()), widget.getId(), widget.getWidgetId());
+ // Recursive call for getting the children of widgets (if any)
+ generateWidgetChildren(widgetChildRelationshipElement, widgetSubChildren);
+ parent.getModelElements().getModelElement().add(widgetChildRelationshipElement);
+ } else {
+ ModelElement widgetChildRelationshipElement = createRelationshipModelElement(
+ getNewDataDelFlagValue(widget.getDeleteFlag()), widget.getId(), widget.getWidgetId());
+ parent.getModelElements().getModelElement().add(widgetChildRelationshipElement);
+ }
+ }
+ }
+
+ /**
+ * Converts the data delete flag value from boolean to String as per AAI model.
+ *
+ * @param delFlag Boolean value as true/false from the annotation
+ * @return Converted value to a flag as per AAI model
+ */
+ private String getNewDataDelFlagValue(boolean delFlag) {
+ if (delFlag) {
+ return "T";
+ } else {
+ return "F";
+ }
+ }
+
+ /**
+ * JAXB marshalling helper method to convert the Java object model to XML String.
+ *
+ * @param model Java Object model of a service/widget/resource
+ * @return XML representation of the Java model in String format
+ */
+ private String getModelAsString(Model model) {
+ JAXBContext jaxbContext;
+ StringWriter modelStringWriter = new StringWriter();
+ try {
+ jaxbContext = JAXBContext.newInstance(Model.class);
+ Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
+ jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
+ jaxbMarshaller.setProperty(Marshaller.JAXB_ENCODING, "US-ASCII");
+ jaxbMarshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.TRUE);
+ jaxbMarshaller.marshal(model, modelStringWriter);
+ } catch (JAXBException jaxbException) {
+ log.error(ApplicationMsgs.INVALID_CSAR_FILE, jaxbException);
+ throw new DOMException(DOMException.SYNTAX_ERR, jaxbException.getMessage());
+ }
+
+ return modelStringWriter.toString();
+ }
+}
Code Review / aai / babel.git / blobdiff