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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.plugins.etsi.nfv.nsd.tosca.yaml;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.openecomp.sdc.be.tosca.model.ToscaProperty;
import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintValidValues;
import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
import org.yaml.snakeyaml.introspector.Property;
import org.yaml.snakeyaml.nodes.MappingNode;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.NodeTuple;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Represent;
import org.yaml.snakeyaml.representer.Representer;
/**
* A NSD YAML Representer
*/
public class NsdTemplateRepresenter extends Representer {
private final Set<String> ignoredPropertySet = Stream.of("dependencies").collect(Collectors.toSet());
public NsdTemplateRepresenter() {
super();
this.nullRepresenter = new RepresentNull();
}
@Override
protected NodeTuple representJavaBeanProperty(final Object javaBean, final Property property, final Object propertyValue, final Tag customTag) {
if (propertyValue == null) {
return null;
}
if (ignoredPropertySet.contains(property.getName())) {
return null;
}
if (javaBean instanceof ToscaTemplate) {
return handleToscaTemplate(javaBean, property, propertyValue, customTag);
}
if (javaBean instanceof ToscaPropertyConstraintValidValues) {
return handleToscaPropertyConstraintValidValues(javaBean, property, propertyValue, customTag);
}
if (javaBean instanceof ToscaProperty) {
return handleToscaProperty(javaBean, property, propertyValue, customTag);
}
return super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
}
private NodeTuple handleToscaProperty(final Object javaBean, final Property property, final Object propertyValue, final Tag customTag) {
final NodeTuple nodeTuple = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
if ("_defaultp_".equals(property.getName())) {
return new NodeTuple(representData("default"), nodeTuple.getValueNode());
}
return nodeTuple;
}
private NodeTuple handleToscaPropertyConstraintValidValues(final Object javaBean, final Property property, final Object propertyValue,
final Tag customTag) {
final NodeTuple nodeTuple = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
if ("validValues".equals(property.getName())) {
final String validValuesEntryName = ToscaPropertyConstraintValidValues.getEntryToscaName("validValues");
return new NodeTuple(representData(validValuesEntryName), nodeTuple.getValueNode());
}
return nodeTuple;
}
private NodeTuple handleToscaTemplate(final Object javaBean, final Property property, final Object propertyValueObj, final Tag customTag) {
if ("imports".equals(property.getName())) {
final List<Map<String, Map<String, String>>> importsList = (List<Map<String, Map<String, String>>>) propertyValueObj;
final List<Map<String, String>> newImportList = new ArrayList<>();
importsList.forEach(importMap -> importMap.forEach((key, value) -> newImportList.add(value)));
return super.representJavaBeanProperty(javaBean, property, newImportList, customTag);
}
return super.representJavaBeanProperty(javaBean, property, propertyValueObj, customTag);
}
@Override
protected MappingNode representJavaBean(final Set<Property> properties, final Object javaBean) {
if (!classTags.containsKey(javaBean.getClass())) {
addClassTag(javaBean.getClass(), Tag.MAP);
}
return super.representJavaBean(properties, javaBean);
}
private class RepresentNull implements Represent {
@Override
public Node representData(final Object data) {
return representScalar(Tag.NULL, "");
}
}
}
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