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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2020 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.policy.clamp.clds.tosca.update.parser;
import java.util.LinkedHashMap;
import java.util.Map.Entry;
import org.onap.policy.clamp.clds.tosca.update.elements.ToscaElement;
import org.onap.policy.clamp.clds.tosca.update.elements.ToscaElementProperty;
import org.yaml.snakeyaml.Yaml;
public class ToscaElementParser {
/**
* Constructor.
*/
private ToscaElementParser() {
}
private static LinkedHashMap<String, Object> searchAllDataTypesAndPolicyTypes(String toscaYaml) {
LinkedHashMap<String, LinkedHashMap<String, Object>> file =
(LinkedHashMap<String, LinkedHashMap<String, Object>>) new Yaml().load(toscaYaml);
LinkedHashMap<String, Object> allDataTypesFound = file.get("data_types");
LinkedHashMap<String, Object> allPolicyTypesFound = file.get("policy_types");
LinkedHashMap<String, Object> allItemsFound = new LinkedHashMap<>();
// Put the policies and datatypes in the same collection
allItemsFound = (allDataTypesFound == null) ? (new LinkedHashMap<>()) : allDataTypesFound;
allItemsFound.putAll(allPolicyTypesFound == null ? new LinkedHashMap<>() : allPolicyTypesFound);
return allItemsFound;
}
private static LinkedHashMap<String, Object> searchAllNativeToscaDataTypes(String toscaNativeYaml) {
return ((LinkedHashMap<String, LinkedHashMap<String, Object>>) new Yaml().load(toscaNativeYaml))
.get("data_types");
}
/**
* Yaml Parse gets raw policies and datatypes, in different sections : necessary to extract
* all entities and put them at the same level.
*
* @param toscaYaml the tosca model content
* @param nativeToscaYaml the tosca native datatype content
* @return a map of Tosca Element containing all tosca elements found (policy types and datatypes)
*/
public static LinkedHashMap<String, ToscaElement> searchAllToscaElements(String toscaYaml,
String nativeToscaYaml) {
LinkedHashMap<String, Object> allItemsFound = searchAllDataTypesAndPolicyTypes(toscaYaml);
allItemsFound.putAll(searchAllNativeToscaDataTypes(nativeToscaYaml));
return parseAllItemsFound(allItemsFound);
}
/**
* With all the component, get as Map, Components and Components properties are created.
*
* @param allMaps maps
*/
private static LinkedHashMap<String, ToscaElement> parseAllItemsFound(LinkedHashMap<String, Object> allMaps) {
LinkedHashMap<String, ToscaElement> allItemsFound = new LinkedHashMap<String, ToscaElement>();
//Component creations, from the file maps
for (Entry<String, Object> itemToParse : allMaps.entrySet()) {
LinkedHashMap<String, Object> componentBody = (LinkedHashMap<String, Object>) itemToParse.getValue();
ToscaElement toscaElement =
new ToscaElement(itemToParse.getKey(), (String) componentBody.get("derived_from"),
(String) componentBody.get("description"));
//If policy, version and type_version :
if (componentBody.get("type_version") != null) {
toscaElement.setVersion((String) componentBody.get("type_version"));
toscaElement.setTypeVersion((String) componentBody.get("type_version"));
}
//Properties creation, from the map
if (componentBody.get("properties") != null) {
LinkedHashMap<String, Object> properties =
(LinkedHashMap<String, Object>) componentBody.get("properties");
for (Entry<String, Object> itemToProperty : properties.entrySet()) {
ToscaElementProperty toscaElementProperty = new ToscaElementProperty(itemToProperty.getKey(),
(LinkedHashMap<String, Object>) itemToProperty.getValue());
toscaElement.addProperties(toscaElementProperty);
}
}
allItemsFound.put(toscaElement.getName(), toscaElement);
}
return allItemsFound;
}
}
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