catalog-be/src/main/java/org/openecomp/sdc/be/tosca/PropertyConvertor.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 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.tosca;
  22
  23 import java.io.StringReader;
  24 import java.util.HashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27
  28 import org.openecomp.sdc.be.datatypes.elements.SchemaDefinition;
  29 import org.openecomp.sdc.be.model.Component;
  30 import org.openecomp.sdc.be.model.DataTypeDefinition;
  31 import org.openecomp.sdc.be.model.PropertyDefinition;
  32 import org.openecomp.sdc.be.model.Resource;
  33 import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
  34 import org.openecomp.sdc.be.model.tosca.converters.ToscaMapValueConverter;
  35 import org.openecomp.sdc.be.model.tosca.converters.ToscaValueConverter;
  36 import org.openecomp.sdc.be.tosca.model.EntrySchema;
  37 import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
  38 import org.openecomp.sdc.be.tosca.model.ToscaProperty;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import com.google.gson.JsonElement;
  43 import com.google.gson.JsonParser;
  44 import com.google.gson.JsonSyntaxException;
  45 import com.google.gson.stream.JsonReader;
  46
  47 import fj.data.Either;
  48
  49 public class PropertyConvertor {
  50         private static PropertyConvertor instance;
  51         private JsonParser jsonParser = new JsonParser();
  52         private static Logger log = LoggerFactory.getLogger(PropertyConvertor.class.getName());
  53
  54         protected PropertyConvertor() {
  55
  56         }
  57
  58         public static synchronized PropertyConvertor getInstance() {
  59                 if (instance == null) {
  60                         instance = new PropertyConvertor();
  61                 }
  62                 return instance;
  63         }
  64
  65         public Either<ToscaNodeType, ToscaError> convertProperties(Component component, ToscaNodeType toscaNodeType, Map<String, DataTypeDefinition> dataTypes) {
  66
  67                 if (component instanceof Resource) {
  68                         Resource resource = (Resource) component;
  69                         List<PropertyDefinition> props = resource.getProperties();
  70                         if (props != null) {
  71                                 Map<String, ToscaProperty> properties = new HashMap<>();
  72
  73                                 // take only the properties of this resource
  74                                 props.stream().filter(p -> component.getUniqueId().equals(p.getParentUniqueId())).forEach(property -> {
  75                                         ToscaProperty prop = convertProperty(dataTypes, property, false);
  76
  77                                         properties.put(property.getName(), prop);
  78
  79                                 });
  80                                 if (!properties.isEmpty()) {
  81                                         toscaNodeType.setProperties(properties);
  82                                 }
  83                         }
  84                 }
  85                 return Either.left(toscaNodeType);
  86         }
  87
  88         public ToscaProperty convertProperty(Map<String, DataTypeDefinition> dataTypes, PropertyDefinition property, boolean isCapabiltyProperty) {
  89                 ToscaProperty prop = new ToscaProperty();
  90
  91                 String innerType = null;
  92                 SchemaDefinition schema = property.getSchema();
  93                 if (schema != null && schema.getProperty() != null && schema.getProperty().getType() != null && !schema.getProperty().getType().isEmpty()) {
  94                         innerType = schema.getProperty().getType();
  95                         EntrySchema eschema = new EntrySchema();
  96                         eschema.setType(innerType);
  97                         eschema.setDescription(schema.getProperty().getDescription());
  98                         prop.setEntry_schema(eschema);
  99                 }
 100                 log.debug("try to convert property {} from type {} with default value {}", property.getName(), property.getType(), property.getDefaultValue());
 101                 prop.setDefaultp(convertToToscaObject(property.getType(), property.getDefaultValue(), innerType, dataTypes));
 102                 prop.setType(property.getType());
 103                 prop.setDescription(property.getDescription());
 104                 if (isCapabiltyProperty) {
 105                         prop.setStatus(property.getStatus());
 106                         prop.setRequired(property.isRequired());
 107                 }
 108                 return prop;
 109         }
 110
 111         public Object convertToToscaObject(String propertyType, String value, String innerType, Map<String, DataTypeDefinition> dataTypes) {
 112                 log.debug("try to convert propertyType {} , value {}, innerType {}", propertyType, value, innerType);
 113                 if (value == null) {
 114                         return value;
 115                 }
 116
 117                 ToscaMapValueConverter mapConverterInst = ToscaMapValueConverter.getInstance();
 118                 ToscaValueConverter innerConverter = null;
 119                 Boolean isScalar = true;
 120
 121                 ToscaPropertyType type = ToscaPropertyType.isValidType(propertyType);
 122                 if (type == null) {
 123                         log.debug("isn't prederfined type, get from all data types");
 124                         DataTypeDefinition dataTypeDefinition = dataTypes.get(propertyType);
 125                         if (innerType == null) {
 126                                 innerType = propertyType;
 127                         }
 128
 129                         if ((type = mapConverterInst.isScalarType(dataTypeDefinition)) != null) {
 130                                 log.debug("This is scalar type. get suitable converter for type {}", type);
 131                                 innerConverter = type.getValueConverter();
 132                         } else {
 133                                 isScalar = false;
 134                         }
 135                 } else {
 136                         ToscaPropertyType typeIfScalar = ToscaPropertyType.getTypeIfScalar(type.getType());
 137                         if (typeIfScalar == null) {
 138                                 isScalar = false;
 139                         }
 140
 141                         innerConverter = type.getValueConverter();
 142                         if (ToscaPropertyType.STRING.equals(type) && value.startsWith("/")) {
 143                                 return innerConverter.convertToToscaValue(value, innerType, dataTypes);
 144                         }
 145                 }
 146                 JsonElement jsonElement = null;
 147                 try {
 148                         StringReader reader = new StringReader(value);
 149                         JsonReader jsonReader = new JsonReader(reader);
 150                         jsonReader.setLenient(true);
 151
 152                         jsonElement = jsonParser.parse(jsonReader);
 153
 154                         if (value.equals("")) {
 155                                 return value;
 156                         }
 157
 158                         if (jsonElement.isJsonPrimitive() && isScalar) {
 159                                 log.debug("It's well defined type. convert it");
 160                                 ToscaValueConverter converter = type.getValueConverter();
 161                                 return converter.convertToToscaValue(value, innerType, dataTypes);
 162                         } else {
 163                                 log.debug("It's data type or inputs in primitive type. convert as map");
 164                                 Object convertedValue;
 165                                 if (innerConverter != null && (ToscaPropertyType.MAP.equals(type) || ToscaPropertyType.LIST.equals(type))) {
 166                                         convertedValue = innerConverter.convertToToscaValue(value, innerType, dataTypes);
 167                                 } else {
 168                                         if (isScalar) {
 169                                                 // complex json for scalar type
 170                                                 convertedValue = mapConverterInst.handleComplexJsonValue(jsonElement);
 171                                         } else {
 172                                                 if (innerConverter != null) {
 173                                                         convertedValue = innerConverter.convertToToscaValue(value, innerType, dataTypes);
 174                                                 } else {
 175                                                         convertedValue = mapConverterInst.convertDataTypeToToscaMap(innerType, dataTypes, innerConverter, isScalar, jsonElement);
 176                                                 }
 177                                         }
 178                                 }
 179                                 return convertedValue;
 180                         }
 181
 182                 } catch (JsonSyntaxException e) {
 183                         log.debug("convertToToscaValue failed to parse json value :", e);
 184                         return null;
 185                 }
 186
 187         }
 188
 189 }