2 * ============LICENSE_START=======================================================
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
20 package org.openecomp.sdc.be.model.tosca.converters;
22 import com.google.gson.Gson;
23 import com.google.gson.JsonElement;
24 import com.google.gson.JsonObject;
25 import com.google.gson.JsonParser;
26 import com.google.gson.stream.JsonReader;
27 import java.io.StringReader;
28 import java.util.HashMap;
29 import java.util.List;
31 import org.openecomp.sdc.be.model.DataTypeDefinition;
32 import org.openecomp.sdc.be.model.PropertyDefinition;
33 import org.openecomp.sdc.common.util.JsonUtils;
35 public class DataTypePropertyConverter {
37 private static final DataTypePropertyConverter INSTANCE = new DataTypePropertyConverter();
38 private static final JsonParser jsonParser = new JsonParser();
39 private static final Gson gson = new Gson();
41 private DataTypePropertyConverter() {
44 public static DataTypePropertyConverter getInstance() {
49 * @param propertyDataType the data type
50 * @param dataTypes all data types in the system mapped by their name
51 * @return a json representation of all the given data type properties default values and recursively their data type properties
53 public String getDataTypePropertiesDefaultValuesRec(String propertyDataType, Map<String, DataTypeDefinition> dataTypes) {
54 JsonObject defaultValues = getDataTypePropsDefaultValuesRec(propertyDataType, dataTypes);
55 return !JsonUtils.isJsonNullOrEmpty(defaultValues) ? gson.toJson(defaultValues) : null;
59 * Takes a json representation of a tosca property value and merges all the default values of the property data type
61 * @param value the json representation of a tosca property value
62 * @param propertyDataType data type from which to merge default values
63 * @param dataTypes all data types in the system mapped by their name for example: for value {a: {b: c}} we could have a default value {a:
64 * {d: e}} (property a has two sub properties but only b was overridden) so the complete value is {a: {b: c, d: e}}
66 public void mergeDataTypeDefaultValuesWithPropertyValue(JsonObject value, String propertyDataType, Map<String, DataTypeDefinition> dataTypes) {
67 JsonObject dataTypeDefaultValues = getDataTypePropsDefaultValuesRec(propertyDataType, dataTypes);
68 mergeDefaultValuesRec(dataTypeDefaultValues, value);
71 private void mergeDefaultValuesRec(JsonObject defaultValue, JsonObject value) {
72 if (ToscaConverterUtils.isGetInputValue(value) || ToscaConverterUtils.isGetPolicyValue(value)) {
75 for (Map.Entry<String, JsonElement> defVal : defaultValue.entrySet()) {
76 mergeDefaultValue(value, defVal.getKey(), defVal.getValue());
80 private void mergeDefaultValue(JsonObject value, String propName, JsonElement defValue) {
81 if (defValueWasNotOverridden(value, propName)) {
82 value.add(propName, defValue);
83 } else if (notPrimitivePropValue(value, defValue, propName)) {
84 JsonElement propValue = value.get(propName);
85 mergeDefaultValuesRec(defValue.getAsJsonObject(), propValue.getAsJsonObject());
89 private boolean notPrimitivePropValue(JsonObject value, JsonElement defValue, String propName) {
90 return value.get(propName).isJsonObject() && defValue.isJsonObject();
93 private boolean defValueWasNotOverridden(JsonObject value, String propName) {
94 return !value.has(propName);
97 private JsonObject getDataTypePropsDefaultValuesRec(String propertyDataType, Map<String, DataTypeDefinition> dataTypes) {
98 Map<String, PropertyDefinition> allParentsProps = getAllDataTypeProperties(dataTypes.get(propertyDataType));
99 JsonObject dataTypeDefaultsJson = new JsonObject();
100 for (Map.Entry<String, PropertyDefinition> propertyEntry : allParentsProps.entrySet()) {
101 PropertyDefinition propertyDefinition = propertyEntry.getValue();
102 addDefaultValueToJson(dataTypes, dataTypeDefaultsJson, propertyDefinition);
104 return dataTypeDefaultsJson;
107 private void addDefaultValueToJson(Map<String, DataTypeDefinition> dataTypes, JsonObject dataTypePropsDefaults,
108 PropertyDefinition propertyDefinition) {
109 String propName = propertyDefinition.getName();
110 JsonElement defVal = getDefaultValue(dataTypes, dataTypePropsDefaults, propertyDefinition);
111 if (!JsonUtils.isEmptyJson(defVal)) {
112 dataTypePropsDefaults.add(propName, defVal);
116 private JsonElement getDefaultValue(Map<String, DataTypeDefinition> dataTypes, JsonObject dataTypePropsDefaults,
117 PropertyDefinition propertyDefinition) {
118 JsonElement defVal = new JsonObject();
119 String propName = propertyDefinition.getName();
120 String propDefaultVal = propertyDefinition.getDefaultValue();
121 if (!JsonUtils.containsEntry(dataTypePropsDefaults, propName) && propDefaultVal != null) {
122 defVal = convertToJson(propDefaultVal);
123 } else if (!JsonUtils.containsEntry(dataTypePropsDefaults, propName)) {
124 defVal = getDataTypePropsDefaultValuesRec(propertyDefinition.getType(), dataTypes);
129 private JsonElement convertToJson(String propDefaultVal) {
130 JsonReader jsonReader = new JsonReader(new StringReader(propDefaultVal));
131 jsonReader.setLenient(true);
132 return jsonParser.parse(jsonReader);
135 private Map<String, PropertyDefinition> getAllDataTypeProperties(DataTypeDefinition dataTypeDefinition) {
136 Map<String, PropertyDefinition> allParentsProps = new HashMap<>();
137 while (dataTypeDefinition != null) {
138 List<PropertyDefinition> currentParentsProps = dataTypeDefinition.getProperties();
139 if (currentParentsProps != null) {
140 currentParentsProps.stream().forEach(p -> allParentsProps.put(p.getName(), p));
142 dataTypeDefinition = dataTypeDefinition.getDerivedFrom();
144 return allParentsProps;