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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.templates;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.onap.clamp.clds.tosca.update.UnknownComponentException;
import org.onap.clamp.clds.tosca.update.elements.ToscaElement;
import org.onap.clamp.clds.tosca.update.parser.ToscaConverterToJsonSchema;
import org.onap.clamp.clds.tosca.update.parser.ToscaElementParser;
import org.onap.clamp.clds.tosca.update.parser.metadata.ToscaMetadataParser;
import org.onap.clamp.clds.util.JsonUtils;
import org.onap.clamp.loop.service.Service;
public class JsonTemplateManager {
private LinkedHashMap<String, JsonTemplate> jsonSchemaTemplates;
private LinkedHashMap<String, ToscaElement> toscaElements;
/**
* Constructor.
*
* @param toscaYamlContent Policy Tosca Yaml content as string
* @param nativeToscaDatatypes The tosca yaml with tosca native datatypes
* @param jsonSchemaTemplates template properties as string
*/
public JsonTemplateManager(String toscaYamlContent, String nativeToscaDatatypes, String jsonSchemaTemplates) {
if (toscaYamlContent != null && !toscaYamlContent.isEmpty()) {
this.toscaElements = ToscaElementParser.searchAllToscaElements(toscaYamlContent, nativeToscaDatatypes);
this.jsonSchemaTemplates = initializeTemplates(jsonSchemaTemplates);
}
else {
toscaElements = null;
}
}
//GETTERS & SETTERS
public LinkedHashMap<String, ToscaElement> getToscaElements() {
return toscaElements;
}
public void setToscaElements(LinkedHashMap<String, ToscaElement> toscaElements) {
this.toscaElements = toscaElements;
}
public LinkedHashMap<String, JsonTemplate> getJsonSchemaTemplates() {
return jsonSchemaTemplates;
}
public void setJsonSchemaTemplates(LinkedHashMap<String, JsonTemplate> jsonSchemaTemplates) {
this.jsonSchemaTemplates = jsonSchemaTemplates;
}
/**
* Add a template.
*
* @param name name
* @param jsonTemplateFields fields
*/
public void addTemplate(String name, List<JsonTemplateField> jsonTemplateFields) {
JsonTemplate jsonTemplate = new JsonTemplate(name, jsonTemplateFields);
//If it is true, the operation does not have any interest :
// replace OR put two different object with the same body
if (!jsonSchemaTemplates.containsKey(jsonTemplate.getName()) || !this.hasTemplate(jsonTemplate)) {
this.jsonSchemaTemplates.put(jsonTemplate.getName(), jsonTemplate);
}
}
/**
* By name, find and remove a given template.
*
* @param nameTemplate name template
*/
public void removeTemplate(String nameTemplate) {
this.jsonSchemaTemplates.remove(nameTemplate);
}
/**
* Update Template : adding with true flag, removing with false.
*
* @param nameTemplate name template
* @param jsonTemplateField field name
* @param operation operation
*/
public void updateTemplate(String nameTemplate, JsonTemplateField jsonTemplateField, Boolean operation) {
// Operation = true && field is not present => add Field
if (operation
&& !this.jsonSchemaTemplates.get(nameTemplate).getJsonTemplateFields().contains(jsonTemplateField)) {
this.jsonSchemaTemplates.get(nameTemplate).addField(jsonTemplateField);
}
// Operation = false && field is present => remove Field
else if (!operation
&& this.jsonSchemaTemplates.get(nameTemplate).getJsonTemplateFields().contains(jsonTemplateField)) {
this.jsonSchemaTemplates.get(nameTemplate).removeField(jsonTemplateField);
}
}
/**
* Check if the JSONTemplates have the same bodies.
*
* @param jsonTemplate template
* @return a boolean
*/
public boolean hasTemplate(JsonTemplate jsonTemplate) {
boolean duplicateTemplate = false;
Collection<String> templatesName = jsonSchemaTemplates.keySet();
if (templatesName.contains(jsonTemplate.getName())) {
JsonTemplate existingJsonTemplate = jsonSchemaTemplates.get(jsonTemplate.getName());
duplicateTemplate = existingJsonTemplate.checkFields(jsonTemplate);
}
return duplicateTemplate;
}
/**
* For a given policy type, get a corresponding JsonObject from the tosca model.
*
* @param policyType The policy type in the tosca
* @param toscaMetadataParser The MetadataParser class that must be used if metadata section are encountered, if null
* they will be skipped
* @return an json object defining the equivalent json schema from the tosca for a given policy type
*/
public JsonObject getJsonSchemaForPolicyType(String policyType, ToscaMetadataParser toscaMetadataParser,
Service serviceModel)
throws UnknownComponentException {
ToscaConverterToJsonSchema
toscaConverterToJsonSchema = new ToscaConverterToJsonSchema(toscaElements, jsonSchemaTemplates,
toscaMetadataParser, serviceModel);
if (toscaConverterToJsonSchema.getToscaElement(policyType) == null) {
throw new UnknownComponentException(policyType);
}
return toscaConverterToJsonSchema.getJsonSchemaOfToscaElement(policyType);
}
/**
* Create and complete several Templates from file.properties.
*
* @param jsonTemplates The template properties as String
* @return a map
*/
@SuppressWarnings("unused")
private LinkedHashMap<String, JsonTemplate> initializeTemplates(String jsonTemplates) {
LinkedHashMap<String, JsonTemplate> generatedTemplates = new LinkedHashMap<>();
JsonObject templates = JsonUtils.GSON.fromJson(jsonTemplates, JsonObject.class);
for (Map.Entry<String, JsonElement> templateAsJson : templates.entrySet()) {
JsonTemplate jsonTemplate = new JsonTemplate(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();
JsonTemplateField
bodyJsonTemplateField = new JsonTemplateField(fieldName, fieldValue, fieldVisible, fieldStatic);
jsonTemplate.getJsonTemplateFields().add(bodyJsonTemplateField);
}
generatedTemplates.put(jsonTemplate.getName(), jsonTemplate);
}
return generatedTemplates;
}
}
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