1 files changed, 129 insertions, 0 deletions
diff --git a/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/tosca/yaml/NsdTemplateRepresenter.java b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/tosca/yaml/NsdTemplateRepresenter.java
new file mode 100644
index 0000000000..822d6dc82b
--- /dev/null
+++ b/catalog-be-plugins/etsi-nfv-nsd-csar-plugin/src/main/java/org/openecomp/sdc/be/plugins/etsi/nfv/nsd/tosca/yaml/NsdTemplateRepresenter.java
@@ -0,0 +1,129 @@
+/*
+ * ============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, "");
+        }
+    }
+}