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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 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.openecomp.sdc.be.tosca;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.stream.JsonReader;
import fj.data.Either;
import org.apache.commons.lang3.StringUtils;
import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.SchemaDefinition;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.DataTypeDefinition;
import org.openecomp.sdc.be.model.PropertyDefinition;
import org.openecomp.sdc.be.model.Resource;
import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
import org.openecomp.sdc.be.model.tosca.converters.DataTypePropertyConverter;
import org.openecomp.sdc.be.model.tosca.converters.ToscaMapValueConverter;
import org.openecomp.sdc.be.model.tosca.converters.ToscaValueBaseConverter;
import org.openecomp.sdc.be.model.tosca.converters.ToscaValueConverter;
import org.openecomp.sdc.be.tosca.model.EntrySchema;
import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
import org.openecomp.sdc.be.tosca.model.ToscaProperty;
import org.openecomp.sdc.common.log.wrappers.Logger;
import java.io.StringReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
public class PropertyConvertor {
private static PropertyConvertor instance;
private JsonParser jsonParser = new JsonParser();
private static final Logger log = Logger.getLogger(PropertyConvertor.class);
Gson gson = new Gson();
protected PropertyConvertor() {
}
public static synchronized PropertyConvertor getInstance() {
if (instance == null) {
instance = new PropertyConvertor();
}
return instance;
}
public Either<ToscaNodeType, ToscaError> convertProperties(Component component, ToscaNodeType toscaNodeType, Map<String, DataTypeDefinition> dataTypes) {
if (component instanceof Resource) {
Resource resource = (Resource) component;
List<PropertyDefinition> props = resource.getProperties();
if (props != null) {
Map<String, ToscaProperty> properties = new HashMap<>();
// take only the properties of this resource
props.stream().filter(p -> p.getOwnerId() == null || p.getOwnerId().equals(component.getUniqueId())).forEach(property -> {
properties.put(property.getName(), convertProperty(dataTypes, property, false));
});
if (!properties.isEmpty()) {
toscaNodeType.setProperties(properties);
}
}
}
return Either.left(toscaNodeType);
}
public ToscaProperty convertProperty(Map<String, DataTypeDefinition> dataTypes, PropertyDataDefinition property, boolean isCapabiltyProperty) {
ToscaProperty prop = new ToscaProperty();
String innerType = null;
SchemaDefinition schema = property.getSchema();
if (schema != null && schema.getProperty() != null && schema.getProperty().getType() != null && !schema.getProperty().getType().isEmpty()) {
innerType = schema.getProperty().getType();
EntrySchema eschema = new EntrySchema();
eschema.setType(innerType);
eschema.setDescription(schema.getProperty().getDescription());
prop.setEntry_schema(eschema);
}
return getToscaProperty(dataTypes, property, isCapabiltyProperty, prop, innerType);
}
private ToscaProperty getToscaProperty(Map<String, DataTypeDefinition> dataTypes, PropertyDataDefinition property, boolean isCapabiltyProperty, ToscaProperty prop, String innerType) {
log.trace("try to convert property {} from type {} with default value [{}]", property.getName(), property.getType(), property.getDefaultValue());
Object convertedObj = convertToToscaObject(property.getType(), property.getDefaultValue(), innerType, dataTypes, false);
if (convertedObj != null) {
prop.setDefaultp(convertedObj);
}
prop.setType(property.getType());
prop.setDescription(property.getDescription());
if (isCapabiltyProperty) {
prop.setStatus(property.getStatus());
}
prop.setRequired(property.isRequired());
return prop;
}
public Object convertToToscaObject(String propertyType, String value, String innerType, Map<String, DataTypeDefinition> dataTypes, boolean preserveEmptyValue) {
log.trace("try to convert propertyType {} , value [{}], innerType {}", propertyType, value, innerType);
if (StringUtils.isEmpty(value)) {
value = DataTypePropertyConverter.getInstance().getDataTypePropertiesDefaultValuesRec(propertyType, dataTypes);
if(StringUtils.isEmpty(value)){
return null;
}
}
try {
ToscaMapValueConverter mapConverterInst = ToscaMapValueConverter.getInstance();
ToscaValueConverter innerConverter = null;
Boolean isScalar = true;
ToscaPropertyType type = ToscaPropertyType.isValidType(propertyType);
if (type == null) {
log.trace("isn't prederfined type, get from all data types");
DataTypeDefinition dataTypeDefinition = dataTypes.get(propertyType);
if (innerType == null) {
innerType = propertyType;
}
if ((type = mapConverterInst.isScalarType(dataTypeDefinition)) != null) {
log.trace("This is scalar type. get suitable converter for type {}", type);
innerConverter = type.getValueConverter();
} else {
isScalar = false;
}
} else {
ToscaPropertyType typeIfScalar = ToscaPropertyType.getTypeIfScalar(type.getType());
if (typeIfScalar == null) {
isScalar = false;
}
innerConverter = type.getValueConverter();
if (ToscaPropertyType.STRING.equals(type) && valueStartsWithNonJsonChar(value)) {
return innerConverter.convertToToscaValue(value, innerType, dataTypes);
}
}
JsonElement jsonElement = null;
StringReader reader = new StringReader(value);
JsonReader jsonReader = new JsonReader(reader);
jsonReader.setLenient(true);
jsonElement = jsonParser.parse(jsonReader);
if (value.equals("")) {
return value;
}
if (jsonElement.isJsonPrimitive() && isScalar) {
log.trace("It's well defined type. convert it");
ToscaValueConverter converter = type.getValueConverter();
return converter.convertToToscaValue(value, innerType, dataTypes);
} else {
log.trace("It's data type or inputs in primitive type. convert as map");
Object convertedValue;
if (innerConverter != null && (ToscaPropertyType.MAP.equals(type) || ToscaPropertyType.LIST.equals(type))) {
convertedValue = innerConverter.convertToToscaValue(value, innerType, dataTypes);
} else {
if (isScalar) {
// complex json for scalar type
convertedValue = mapConverterInst.handleComplexJsonValue(jsonElement);
} else {
if (innerConverter != null) {
convertedValue = innerConverter.convertToToscaValue(value, innerType, dataTypes);
} else {
convertedValue = mapConverterInst.convertDataTypeToToscaObject(innerType, dataTypes, innerConverter, isScalar, jsonElement, preserveEmptyValue);
}
}
}
return convertedValue;
}
} catch (Exception e) {
log.debug("convertToToscaValue failed to parse json value :", e);
return null;
}
}
private boolean valueStartsWithNonJsonChar(String value) {
return value.startsWith("/") || value.startsWith(":");
}
public void convertAndAddValue(Map<String, DataTypeDefinition> dataTypes,
Map<String, Object> props, PropertyDataDefinition prop, Supplier<String> supplier) {
Object convertedValue = convertValue(dataTypes, prop, supplier);
if (!ToscaValueBaseConverter.isEmptyObjectValue(convertedValue)) {
props.put(prop.getName(), convertedValue);
}
}
private <T extends PropertyDataDefinition> Object convertValue(Map<String, DataTypeDefinition> dataTypes,
T input, Supplier<String> supplier) {
String propertyType = input.getType();
String innerType = null;
if (input.getSchema() != null && input.getSchema().getProperty() != null) {
innerType = input.getSchema().getProperty().getType();
}
return convertToToscaObject(propertyType, supplier.get(), innerType, dataTypes, false);
}
}
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