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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 com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.io.IOException;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.onap.clamp.clds.util.JsonUtils;
public class ToscaConverterManager {
private LinkedHashMap<String, Template> templates;
private LinkedHashMap<String, ToscaElement> components;
private ToscaConverterToJson toscaConverterToJson;
private ToscaItemsParser toscaItemsParser;
/**
* Constructor.
*
* @param toscaYamlContent Policy Tosca Yaml content as string
* @param nativeToscaDatatypes The tosca yaml with tosca native datatypes
* @param templateProperties template properties as string
* @throws IOException in case of failure
*/
public ToscaConverterManager(String toscaYamlContent, String nativeToscaDatatypes, String templateProperties)
throws IOException {
if (toscaYamlContent != null && !toscaYamlContent.isEmpty()) {
this.toscaItemsParser = new ToscaItemsParser(toscaYamlContent, nativeToscaDatatypes);
this.components = toscaItemsParser.getAllItemsFound();
this.templates = initializeTemplates(templateProperties);
}
else {
components = null;
}
}
//GETTERS & SETTERS
public LinkedHashMap<String, ToscaElement> getComponents() {
return components;
}
public void setComponents(LinkedHashMap<String, ToscaElement> components) {
this.components = components;
}
public ToscaConverterToJson getParseToJson() {
return toscaConverterToJson;
}
public void setParseToJson(ToscaConverterToJson toscaConverterToJson) {
this.toscaConverterToJson = toscaConverterToJson;
}
public LinkedHashMap<String, Template> getTemplates() {
return templates;
}
public void setTemplates(LinkedHashMap<String, Template> templates) {
this.templates = templates;
}
public ToscaItemsParser getToscaItemsParser() {
return toscaItemsParser;
}
/**
* Add a template.
*
* @param name name
* @param templateFields fields
*/
public void addTemplate(String name, List<TemplateField> templateFields) {
Template template = new Template(name, templateFields);
//If it is true, the operation does not have any interest :
// replace OR put two different object with the same body
if (!templates.containsKey(template.getName()) || !this.hasTemplate(template)) {
this.templates.put(template.getName(), template);
}
}
/**
* By name, find and remove a given template.
*
* @param nameTemplate name template
*/
public void removeTemplate(String nameTemplate) {
this.templates.remove(nameTemplate);
}
/**
* Update Template : adding with true flag, removing with false.
*
* @param nameTemplate name template
* @param templateField field name
* @param operation operation
*/
public void updateTemplate(String nameTemplate, TemplateField templateField, Boolean operation) {
// Operation = true && field is not present => add Field
if (operation && !this.templates.get(nameTemplate).getTemplateFields().contains(templateField)) {
this.templates.get(nameTemplate).addField(templateField);
}
// Operation = false && field is present => remove Field
else if (!operation && this.templates.get(nameTemplate).getTemplateFields().contains(templateField)) {
this.templates.get(nameTemplate).removeField(templateField);
}
}
/**
* Check if the JSONTemplates have the same bodies.
*
* @param template template
* @return a boolean
*/
public boolean hasTemplate(Template template) {
boolean duplicateTemplate = false;
Collection<String> templatesName = templates.keySet();
if (templatesName.contains(template.getName())) {
Template existingTemplate = templates.get(template.getName());
duplicateTemplate = existingTemplate.checkFields(template);
}
return duplicateTemplate;
}
/**
* For a given Component, get a corresponding JsonObject, through parseToJSON.
*
* @param componentName name
* @return an json object
*/
public JsonObject startConversionToJson(String componentName) throws UnknownComponentException {
this.toscaConverterToJson = new ToscaConverterToJson(components, templates);
if (toscaConverterToJson.matchComponent(componentName) == null) {
throw new UnknownComponentException(componentName);
}
return toscaConverterToJson.getJsonProcess(componentName, "object");
}
/**
* Create and complete several Templates from file.properties.
*
* @param jsonTemplates The template properties as String
* @return a map
*/
@SuppressWarnings("unused")
private LinkedHashMap<String, Template> initializeTemplates(String jsonTemplates) {
LinkedHashMap<String, Template> generatedTemplates = new LinkedHashMap<>();
JsonObject templates = JsonUtils.GSON.fromJson(jsonTemplates, JsonObject.class);
for (Map.Entry<String, JsonElement> templateAsJson : templates.entrySet()) {
Template template = new Template(templateAsJson.getKey());
JsonObject templateBody = (JsonObject) templateAsJson.getValue();
for (Map.Entry<String, JsonElement> field : templateBody.entrySet()) {
String fieldName = field.getKey();
JsonObject bodyFieldAsJson = (JsonObject) field.getValue();
Object fieldValue = bodyFieldAsJson.get("defaultValue").getAsString();
Boolean fieldVisible = bodyFieldAsJson.get("visible").getAsBoolean();
Boolean fieldStatic = bodyFieldAsJson.get("static").getAsBoolean();
TemplateField bodyTemplateField = new TemplateField(fieldName, fieldValue, fieldVisible, fieldStatic);
template.getTemplateFields().add(bodyTemplateField);
}
generatedTemplates.put(template.getName(), template);
}
return generatedTemplates;
}
}
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