catalog-be/src/main/java/org/openecomp/sdc/be/components/validation/NodeFilterValidator.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.components.validation;
  22
  23 import com.google.common.collect.ImmutableSet;
  24 import fj.data.Either;
  25 import java.util.ArrayList;
  26 import java.util.Collections;
  27 import java.util.List;
  28 import java.util.Objects;
  29 import java.util.Optional;
  30 import java.util.Set;
  31 import org.apache.commons.lang3.StringUtils;
  32 import org.openecomp.sdc.be.components.impl.ResponseFormatManager;
  33 import org.openecomp.sdc.be.components.impl.utils.NodeFilterConstraintAction;
  34 import org.openecomp.sdc.be.dao.api.ActionStatus;
  35 import org.openecomp.sdc.be.datamodel.utils.ConstraintConvertor;
  36 import org.openecomp.sdc.be.datatypes.elements.SchemaDefinition;
  37 import org.openecomp.sdc.be.impl.ComponentsUtils;
  38 import org.openecomp.sdc.be.model.Component;
  39 import org.openecomp.sdc.be.model.ComponentInstance;
  40 import org.openecomp.sdc.be.model.ComponentInstanceProperty;
  41 import org.openecomp.sdc.be.model.PropertyDefinition;
  42 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
  43 import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
  44 import org.openecomp.sdc.be.ui.model.UIConstraint;
  45 import org.openecomp.sdc.exception.ResponseFormat;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48 import org.springframework.beans.factory.annotation.Autowired;
  49 import org.springframework.util.CollectionUtils;
  50
  51 @org.springframework.stereotype.Component("NodeFilterValidator")
  52 public class NodeFilterValidator {
  53
  54     private static final String SOURCE = "Source";
  55     public static final Set<String> comparableTypes = ImmutableSet.of(ToscaPropertyType.STRING.getType(),
  56             ToscaPropertyType.INTEGER.getType(), ToscaPropertyType.FLOAT.getType());
  57     public static final Set<String> schemableTypes =
  58             ImmutableSet.of(ToscaPropertyType.MAP.getType(), ToscaPropertyType.LIST.getType());
  59     public static final Set<String> comparableConstraintsOperators =
  60             ImmutableSet.of(ConstraintConvertor.GREATER_THAN_OPERATOR, ConstraintConvertor.LESS_THAN_OPERATOR);
  61
  62     protected final ToscaOperationFacade toscaOperationFacade;
  63     protected final ComponentsUtils componentsUtils;
  64
  65     private static final Logger LOGGER = LoggerFactory.getLogger(NodeFilterValidator.class);
  66
  67     @Autowired
  68     public NodeFilterValidator(final ToscaOperationFacade toscaOperationFacade,
  69                                final ComponentsUtils componentsUtils) {
  70         this.toscaOperationFacade = toscaOperationFacade;
  71         this.componentsUtils = componentsUtils;
  72     }
  73
  74     public Either<Boolean, ResponseFormat> validateComponentInstanceExist(final Component component,
  75                                                                           final String componentInstanceId) {
  76         if (component == null || StringUtils.isEmpty(componentInstanceId)) {
  77             LOGGER.error("Input data cannot be empty");
  78             return getErrorResponse(ActionStatus.NODE_FILTER_NOT_FOUND);
  79         }
  80         if (CollectionUtils.isEmpty(component.getComponentInstances()) ||
  81             component.getComponentInstances().stream()
  82                 .noneMatch(ci -> ci.getUniqueId().equals(componentInstanceId))) {
  83             LOGGER.error("Component Instance list is empty");
  84             return getErrorResponse(ActionStatus.NODE_FILTER_NOT_FOUND);
  85         }
  86         return Either.left(Boolean.TRUE);
  87     }
  88
  89     private Either<Boolean, ResponseFormat> getErrorResponse(ActionStatus actionStatus, String... variables) {
  90         ResponseFormat errorResponse = ResponseFormatManager.getInstance().getResponseFormat(actionStatus, variables);
  91         return Either.right(errorResponse);
  92     }
  93
  94     public Either<Boolean, ResponseFormat> validateNodeFilter(final Component parentComponent,
  95                                                               final String componentInstanceId,
  96                                                               final List<String> uiConstraints,
  97                                                               final NodeFilterConstraintAction action) {
  98         try {
  99             if (NodeFilterConstraintAction.ADD == action || NodeFilterConstraintAction.UPDATE == action) {
 100                 for (final String uiConstraint : uiConstraints) {
 101                     final UIConstraint constraint = new ConstraintConvertor().convert(uiConstraint);
 102                     if (ConstraintConvertor.PROPERTY_CONSTRAINT.equals(constraint.getSourceType())) {
 103                         final Either<Boolean, ResponseFormat> booleanResponseFormatEither =
 104                             validatePropertyConstraint(parentComponent, componentInstanceId, constraint);
 105                         if (booleanResponseFormatEither.isRight()) {
 106                             return booleanResponseFormatEither;
 107                         }
 108                     } else if (ConstraintConvertor.STATIC_CONSTRAINT.equals(constraint.getSourceType())) {
 109                         final Either<Boolean, ResponseFormat> booleanResponseFormatEither =
 110                             validateStaticValueAndOperator(parentComponent, componentInstanceId, constraint);
 111                         if (booleanResponseFormatEither.isRight()) {
 112                             return booleanResponseFormatEither;
 113                         }
 114                     }
 115                 }
 116             }
 117         } catch (final Exception e) {
 118             LOGGER.debug("Provided constraint" + uiConstraints, e);
 119             return Either.right(componentsUtils.getResponseFormat(ActionStatus.CONSTRAINT_FORMAT_INCORRECT));
 120         }
 121
 122         return Either.left(true);
 123     }
 124
 125     private Either<Boolean, ResponseFormat> validatePropertyConstraint(
 126         final Component  parentComponent,
 127         final String componentInstanceId, final UIConstraint uiConstraint) {
 128         String source = SOURCE;
 129         final Optional<ComponentInstance> brotherComponentInstance;
 130
 131         List<? extends PropertyDefinition> sourcePropertyDefinition =
 132                 parentComponent.getName().equals(uiConstraint.getSourceName()) ? parentComponent.getProperties() :
 133                         Collections.emptyList();
 134
 135
 136         if (sourcePropertyDefinition.isEmpty() && !parentComponent.getName().equals(uiConstraint.getSourceName())) {
 137             brotherComponentInstance = parentComponent.getComponentInstances().stream()
 138                                                       .filter(componentInstance -> uiConstraint.getSourceName()
 139                                                                                                .equals(componentInstance
 140                                                                                                                .getName()))
 141                                                       .findFirst();
 142
 143             if (brotherComponentInstance.isPresent()) {
 144                 final List<ComponentInstanceProperty> componentInstanceProperties =
 145                         parentComponent.getComponentInstancesProperties()
 146                                        .get(brotherComponentInstance.get().getUniqueId());
 147                 sourcePropertyDefinition =
 148                         componentInstanceProperties == null ? new ArrayList<>() : componentInstanceProperties;
 149             }
 150         }
 151
 152         if (!CollectionUtils.isEmpty(sourcePropertyDefinition)) {
 153             Optional<? extends PropertyDefinition> sourceSelectedProperty = sourcePropertyDefinition.stream()
 154                                                                                                     .filter(property -> uiConstraint
 155                                                                                                                                 .getValue()
 156                                                                                                                                 .equals(property.getName()))
 157                                                                                                     .findFirst();
 158
 159             Optional<? extends PropertyDefinition> targetComponentInstanceProperty =
 160                     parentComponent.getComponentInstancesProperties().get(componentInstanceId).stream()
 161                                    .filter(property -> uiConstraint.getServicePropertyName().equals(property.getName()))
 162                                    .findFirst();
 163
 164             source = !targetComponentInstanceProperty.isPresent() ? "Target" : SOURCE;
 165             if (sourceSelectedProperty.isPresent() && targetComponentInstanceProperty.isPresent()) {
 166                 return validatePropertyData(uiConstraint, sourceSelectedProperty, targetComponentInstanceProperty);
 167             }
 168         }
 169
 170         String missingProperty =
 171                 source.equals(SOURCE) ? uiConstraint.getValue().toString() : uiConstraint.getServicePropertyName();
 172
 173         return Either.right(
 174                 componentsUtils.getResponseFormat(ActionStatus.MAPPED_PROPERTY_NOT_FOUND, source, missingProperty));
 175     }
 176
 177     private Either<Boolean, ResponseFormat> validatePropertyData(UIConstraint uiConstraint,
 178             Optional<? extends PropertyDefinition> sourceSelectedProperty,
 179             Optional<? extends PropertyDefinition> targetComponentInstanceProperty) {
 180         if (sourceSelectedProperty.isPresent() && targetComponentInstanceProperty.isPresent()) {
 181             final PropertyDefinition sourcePropDefinition = sourceSelectedProperty.get();
 182             final String sourceType = sourcePropDefinition.getType();
 183             final PropertyDefinition targetPropDefinition = targetComponentInstanceProperty.get();
 184             final String targetType = targetPropDefinition.getType();
 185             if (sourceType.equals(targetType)) {
 186                 if (schemableTypes.contains(sourceType)) {
 187                     final SchemaDefinition sourceSchemaDefinition = sourcePropDefinition.getSchema();
 188                     final SchemaDefinition targetSchemaDefinition = targetPropDefinition.getSchema();
 189                     if (!sourceSchemaDefinition.equals(targetSchemaDefinition)) {
 190                         return Either
 191                             .right(componentsUtils.getResponseFormat(ActionStatus.SOURCE_TARGET_SCHEMA_MISMATCH,
 192                                 uiConstraint.getServicePropertyName(), uiConstraint.getValue().toString()));
 193                     }
 194                 }
 195                 return Either.left(Boolean.TRUE);
 196             } else {
 197                 return Either.right(componentsUtils.getResponseFormat(ActionStatus.SOURCE_TARGET_PROPERTY_TYPE_MISMATCH,
 198                     uiConstraint.getServicePropertyName(), uiConstraint.getValue().toString()));
 199             }
 200         } else {
 201             LOGGER.debug(
 202                 "Null value passed to `validatePropertyData` - sourceSelectedProperty: '{}' - targetComponentInstanceProperty: '{}'",
 203                 sourceSelectedProperty, targetComponentInstanceProperty);
 204             return Either.right(componentsUtils
 205                 .getResponseFormat(ActionStatus.GENERAL_ERROR, uiConstraint.getServicePropertyName(),
 206                     uiConstraint.getValue().toString()));
 207         }
 208     }
 209
 210     private Either<Boolean, ResponseFormat> validateStaticValueAndOperator(
 211         final Component  parentComponent,
 212         final String componentInstanceId, final UIConstraint uiConstraint) {
 213         if (!(Objects.nonNull(uiConstraint) && uiConstraint.getValue() instanceof String)) {
 214             return Either.left(false);
 215         }
 216         final Optional<ComponentInstanceProperty> componentInstanceProperty =
 217                 parentComponent.getComponentInstancesProperties().get(componentInstanceId).stream()
 218                                .filter(property -> uiConstraint.getServicePropertyName().equals(property.getName()))
 219                                .findFirst();
 220
 221         if (!componentInstanceProperty.isPresent()) {
 222             return Either.right(componentsUtils.getResponseFormat(ActionStatus.SELECTED_PROPERTY_NOT_PRESENT,
 223                     uiConstraint.getServicePropertyName()));
 224         }
 225         if (comparableConstraintsOperators.contains(uiConstraint.getConstraintOperator()) && !comparableTypes.contains(
 226                 componentInstanceProperty.get().getType())) {
 227             return Either.right(componentsUtils.getResponseFormat(ActionStatus.UNSUPPORTED_OPERATOR_PROVIDED,
 228                     uiConstraint.getServicePropertyName(), uiConstraint.getConstraintOperator()));
 229         }
 230
 231         return isValidValueCheck(componentInstanceProperty.get().getType(), String.valueOf(uiConstraint.getValue()),
 232                 uiConstraint.getServicePropertyName());
 233     }
 234
 235     private Either<Boolean, ResponseFormat> isValidValueCheck(String type, String value, String propertyName) {
 236
 237         ToscaPropertyType toscaPropertyType = ToscaPropertyType.isValidType(type);
 238         if (Objects.isNull(toscaPropertyType)) {
 239             return Either.right(
 240                     componentsUtils.getResponseFormat(ActionStatus.UNSUPPORTED_PROPERTY_TYPE, type, propertyName));
 241         }
 242         if (toscaPropertyType.getValidator().isValid(value, null)) {
 243             return Either.left(Boolean.TRUE);
 244         }
 245         return Either.right(
 246                 componentsUtils.getResponseFormat(ActionStatus.UNSUPPORTED_VALUE_PROVIDED, type, propertyName, value));
 247     }
 248
 249
 250 }
 251
 252