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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.clamp.clds.tosca.update;
import java.util.LinkedHashMap;
import java.util.Map.Entry;
import org.yaml.snakeyaml.Yaml;
public class Extractor {
private LinkedHashMap<String, Component> allItems;
private String source;
private String nativeComponent;
/**
* Constructor.
*
* @param toParse Tosca to parse
* @param nativeComponent The policy type to scan
*/
public Extractor(String toParse, String nativeComponent) {
this.source = toParse;
this.nativeComponent = nativeComponent;
allItems = new LinkedHashMap<String, Component>();
getAllAsMaps();
}
public LinkedHashMap<String, Component> getAllItems() {
return allItems;
}
public String getSource() {
return source;
}
/**
* Yaml Parse gets raw policies and datatypes, in different sections : necessary to extract
* all entities and put them at the same level.
*
* @return an object
*/
@SuppressWarnings("unchecked")
public LinkedHashMap<String, Object> getAllAsMaps() {
Yaml yaml = new Yaml();
Object contentFile = yaml.load(source);
LinkedHashMap<String, LinkedHashMap<String, Object>> file =
(LinkedHashMap<String, LinkedHashMap<String, Object>>) contentFile;
// Get DataTypes
LinkedHashMap<String, Object> dataTypes = file.get("data_types");
dataTypes = (dataTypes == null) ? (new LinkedHashMap<>()) : dataTypes;
// Get Policies : first, get topology and after extract policies from it
LinkedHashMap<String, Object> policyTypes = file.get("policy_types");
// Put the policies and datatypes in the same collection
dataTypes.putAll(policyTypes);
Object contentNativeFile = yaml.load(nativeComponent);
LinkedHashMap<String, Object> dataTypesEmbedded =
((LinkedHashMap<String, LinkedHashMap<String, Object>>) contentNativeFile).get("data_types");
dataTypes.putAll(dataTypesEmbedded);
parseInComponent(dataTypes);
return dataTypes;
}
/**
* With all the component, get as Map, Components and Components properties are created.
*
* @param allMaps maps
*/
@SuppressWarnings("unchecked")
public void parseInComponent(LinkedHashMap<String, Object> allMaps) {
//Component creations, from the file maps
for (Entry<String, Object> itemToParse : allMaps.entrySet()) {
LinkedHashMap<String, Object> componentBody = (LinkedHashMap<String, Object>) itemToParse.getValue();
Component component = new Component(itemToParse.getKey(), (String) componentBody.get("derived_from"),
(String) componentBody.get("description"));
//If policy, version and type_version :
if (componentBody.get("type_version") != null) {
component.setVersion((String) componentBody.get("type_version"));
component.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()) {
Property property = new Property(itemToProperty.getKey(),
(LinkedHashMap<String, Object>) itemToProperty.getValue());
component.addProperties(property);
}
}
this.allItems.put(component.getName(), component);
}
}
}
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