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/*
* -
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.utils;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.openecomp.sdc.be.datatypes.elements.PropertyFilterConstraintDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ToscaConcatFunction;
import org.openecomp.sdc.be.datatypes.elements.ToscaFunction;
import org.openecomp.sdc.be.datatypes.elements.ToscaFunctionParameter;
import org.openecomp.sdc.be.datatypes.elements.ToscaFunctionType;
import org.openecomp.sdc.be.datatypes.elements.ToscaGetFunctionDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ToscaStringParameter;
import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
import org.openecomp.sdc.be.datatypes.enums.FilterValueType;
import org.openecomp.sdc.be.datatypes.enums.PropertyFilterTargetType;
import org.openecomp.sdc.be.datatypes.enums.PropertySource;
import org.openecomp.sdc.be.datatypes.tosca.ToscaGetFunctionType;
import org.openecomp.sdc.exception.InvalidArgumentException;
import org.yaml.snakeyaml.Yaml;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class PropertyFilterConstraintDataDefinitionHelper {
public static PropertyFilterConstraintDataDefinition convertLegacyConstraint(final String constraint) {
final var propertyFilterConstraint = new PropertyFilterConstraintDataDefinition();
final Map<String, Object> constraintYaml = new Yaml().load(constraint);
final String propertyName = constraintYaml.keySet().iterator().next();
propertyFilterConstraint.setPropertyName(propertyName);
final Map<String, Object> operatorYaml = (Map<String, Object>) constraintYaml.get(propertyName);
final String operator = operatorYaml.keySet().iterator().next();
propertyFilterConstraint.setOperator(ConstraintType.findByType(operator).orElse(null));
final Object valueYaml = operatorYaml.get(operator);
final Optional<ToscaFunction> toscaFunction = createToscaFunctionFromLegacyConstraintValue(valueYaml);
if (toscaFunction.isPresent()) {
propertyFilterConstraint.setValue(toscaFunction.get());
} else {
propertyFilterConstraint.setValue(valueYaml);
}
propertyFilterConstraint.setValueType(detectValueType(valueYaml));
propertyFilterConstraint.setTargetType(PropertyFilterTargetType.PROPERTY);
return propertyFilterConstraint;
}
public static Optional<ToscaFunction> createToscaFunctionFromLegacyConstraintValue(final Object filterValue) {
if (!(filterValue instanceof Map)) {
return Optional.empty();
}
final Map<?, ?> filterValueAsMap = (Map<?, ?>) filterValue;
final Set<?> keys = filterValueAsMap.keySet();
if (keys.size() != 1) {
return Optional.empty();
}
final Object toscaFunctionTypeObject = keys.iterator().next();
if (!(toscaFunctionTypeObject instanceof String)) {
return Optional.empty();
}
final ToscaFunctionType toscaFunctionType = ToscaFunctionType.findType((String) toscaFunctionTypeObject).orElse(null);
if (toscaFunctionType == null) {
return Optional.empty();
}
switch (toscaFunctionType) {
case GET_INPUT:
return readLegacyGetInputConstraintValue(filterValueAsMap, toscaFunctionTypeObject);
case GET_ATTRIBUTE:
case GET_PROPERTY:
return readLegacyGetPropertyConstraintValue(filterValueAsMap, toscaFunctionTypeObject, toscaFunctionType);
case CONCAT:
return readLegacyConcatConstraintValue(filterValueAsMap, toscaFunctionTypeObject);
default:
return Optional.empty();
}
}
public static Optional<FilterValueType> convertFromToscaFunctionType(final ToscaFunctionType toscaFunctionType) {
return FilterValueType.findByName(toscaFunctionType.getName());
}
private static Optional<ToscaFunction> readLegacyConcatConstraintValue(Map<?, ?> filterValueAsMap, Object toscaFunctionType) {
final List<Object> concatValue;
try {
concatValue = (List<Object>) filterValueAsMap.get(toscaFunctionType);
} catch (final Exception ignored) {
return Optional.empty();
}
if (concatValue.isEmpty()) {
return Optional.empty();
}
final var toscaConcatFunction = new ToscaConcatFunction();
for (Object parameter : concatValue) {
if (parameter instanceof String) {
final ToscaStringParameter toscaStringParameter = new ToscaStringParameter();
toscaStringParameter.setValue((String) parameter);
toscaConcatFunction.addParameter(toscaStringParameter);
} else {
createToscaFunctionFromLegacyConstraintValue(parameter)
.ifPresent(toscaFunction -> toscaConcatFunction.addParameter((ToscaFunctionParameter) toscaFunction));
}
}
return Optional.of(toscaConcatFunction);
}
private static Optional<ToscaFunction> readLegacyGetPropertyConstraintValue(Map<?, ?> filterValueAsMap, Object toscaFunctionType,
ToscaFunctionType toscaFunctionType1) {
final var toscaGetFunction = new ToscaGetFunctionDataDefinition();
toscaGetFunction.setFunctionType(ToscaGetFunctionType.fromToscaFunctionType(toscaFunctionType1)
.orElseThrow(() -> new InvalidArgumentException("Could not convert a ToscaFunctionType to a ToscaGetFunctionType"))
);
final List<String> getFunctionValue;
try {
getFunctionValue = (List<String>) filterValueAsMap.get(toscaFunctionType);
} catch (final Exception ignored) {
return Optional.of(toscaGetFunction);
}
if (!getFunctionValue.isEmpty()) {
final Optional<PropertySource> propertySource = PropertySource.findType(getFunctionValue.get(0));
if (propertySource.isPresent()) {
toscaGetFunction.setPropertySource(propertySource.get());
} else {
toscaGetFunction.setPropertySource(PropertySource.INSTANCE);
toscaGetFunction.setSourceName(getFunctionValue.get(0));
}
final List<String> propertyPathFromSource = getFunctionValue.subList(1, getFunctionValue.size());
toscaGetFunction.setPropertyPathFromSource(propertyPathFromSource);
toscaGetFunction.setPropertyName(propertyPathFromSource.get(propertyPathFromSource.size() - 1));
}
return Optional.of(toscaGetFunction);
}
private static Optional<ToscaFunction> readLegacyGetInputConstraintValue(Map<?, ?> filterValueAsMap, Object toscaFunctionType) {
final var toscaGetFunction = new ToscaGetFunctionDataDefinition();
toscaGetFunction.setFunctionType(ToscaGetFunctionType.GET_INPUT);
final List<String> getFunctionValue;
final Object valueAsObject = filterValueAsMap.get(toscaFunctionType);
if (valueAsObject instanceof String) {
getFunctionValue = List.of((String) valueAsObject);
} else if (valueAsObject instanceof List) {
try {
getFunctionValue = (List<String>) filterValueAsMap.get(toscaFunctionType);
} catch (final Exception ignored) {
return Optional.empty();
}
} else {
return Optional.empty();
}
toscaGetFunction.setPropertyPathFromSource(getFunctionValue);
if (!getFunctionValue.isEmpty()) {
toscaGetFunction.setPropertyName(getFunctionValue.get(getFunctionValue.size() - 1));
}
toscaGetFunction.setPropertySource(PropertySource.SELF);
return Optional.of(toscaGetFunction);
}
private static FilterValueType detectValueType(final Object value) {
if (value instanceof Map) {
final Map<?, ?> valueAsMap = (Map<?, ?>) value;
if (valueAsMap.containsKey(ToscaFunctionType.CONCAT.getName())) {
return FilterValueType.CONCAT;
}
if (valueAsMap.containsKey(ToscaFunctionType.GET_ATTRIBUTE.getName())) {
return FilterValueType.GET_ATTRIBUTE;
}
if (valueAsMap.containsKey(ToscaFunctionType.GET_PROPERTY.getName())) {
return FilterValueType.GET_PROPERTY;
}
if (valueAsMap.containsKey(ToscaFunctionType.GET_INPUT.getName())) {
return FilterValueType.GET_INPUT;
}
}
return FilterValueType.STATIC;
}
}
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