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diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-utilities-lib/src/main/java/org/openecomp/core/utilities/json/JsonSchemaDataGenerator.java b/openecomp-be/lib/openecomp-core-lib/openecomp-utilities-lib/src/main/java/org/openecomp/core/utilities/json/JsonSchemaDataGenerator.java
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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.core.utilities.json;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The type Json schema data generator.
+ */
+public class JsonSchemaDataGenerator {
+
+ private static final String ROOT = "root";
+ private static final Logger logger = LoggerFactory.getLogger(JsonSchemaDataGenerator.class);
+ /**
+ * The Include defaults.
+ */
+ boolean includeDefaults = true;
+ private JSONObject root;
+ private Map<String, Object> referencesData;
+
+ /**
+ * Instantiates a new Json schema data generator.
+ *
+ * @param jsonSchema the json schema
+ */
+ public JsonSchemaDataGenerator(String jsonSchema) {
+ if (jsonSchema == null) {
+ throw new IllegalArgumentException("Input string jsonSchema can not be null");
+ }
+ root = new JSONObject(jsonSchema);
+ }
+
+ /**
+ * Sets include defaults.
+ *
+ * @param includeDefaults the include defaults
+ */
+ public void setIncludeDefaults(boolean includeDefaults) {
+ this.includeDefaults = includeDefaults;
+ }
+
+ /**
+ * Generates json data that conform to the schema according to turned on flags.
+ *
+ * @return json that conform to the schema.
+ */
+ public String generateData() {
+ referencesData = new HashMap<>();
+ JSONObject data = new JSONObject();
+
+ generateData(ROOT, root,
+ data); // "root" is dummy name to represent the top level object (which, as apposed to
+ // inner objects, doesn't have a name in the schema)
+ return data.has(ROOT) ? data.get(ROOT).toString() : data.toString();
+ }
+
+ private void generateData(String propertyName, JSONObject property, JSONObject propertyData) {
+ if (property.has(JsonSchemaKeyword.TYPE)) {
+ String propertyType = property.getString(JsonSchemaKeyword.TYPE);
+ if (JsonSchemaKeyword.OBJECT.equals(propertyType)) {
+ generateObjectData(propertyName, property, propertyData);
+ } else {
+ generatePrimitiveData(propertyType, propertyName, property, propertyData);
+ }
+ } else if (property.has(JsonSchemaKeyword.REF)) {
+ generateReferenceData(propertyName, property.getString(JsonSchemaKeyword.REF), propertyData);
+ }
+ }
+
+ private void generateObjectData(String propertyName, JSONObject property,
+ JSONObject propertyData) {
+ JSONObject subProperties = property.getJSONObject(JsonSchemaKeyword.PROPERTIES);
+
+ JSONObject subPropertiesData = new JSONObject();
+ for (String subPropertyName : subProperties.keySet()) {
+ generateData(subPropertyName, subProperties.getJSONObject(subPropertyName),
+ subPropertiesData);
+ }
+
+ if (subPropertiesData.length() > 0) {
+ propertyData.put(propertyName, subPropertiesData);
+ }
+ }
+
+ private void generateReferenceData(String propertyName, String referencePath,
+ JSONObject propertyData) {
+ if (referencesData.containsKey(referencePath)) {
+ Object referenceData = referencesData.get(referencePath);
+ if (referenceData != null) {
+ propertyData.put(propertyName, referenceData);
+ }
+ } else {
+ generateData(propertyName, resolveReference(referencePath), propertyData);
+ referencesData.put(referencePath, propertyData.opt(propertyName));
+ }
+ }
+
+ private JSONObject resolveReference(String referencePath) {
+ String[] keys = referencePath.replaceFirst("#/", "").split("/");
+
+ JSONObject reference = root;
+ for (String key : keys) {
+ reference = reference.getJSONObject(key);
+ }
+ return reference;
+ }
+
+ private void generatePrimitiveData(String propertyType, String propertyName, JSONObject property,
+ JSONObject propertyData) {
+ if (includeDefaults) {
+ populateWithDefaultValue(propertyType, propertyName, property, propertyData);
+ }
+ }
+
+ private void populateWithDefaultValue(String propertyType, String propertyName,
+ JSONObject property, JSONObject propertyData) {
+ if (!property.has(JsonSchemaKeyword.DEFAULT)) {
+ return;
+ }
+ try {
+ switch (propertyType) {
+ case JsonSchemaKeyword.ARRAY:
+ propertyData.put(propertyName, property.getJSONArray(JsonSchemaKeyword.DEFAULT));
+ break;
+ case JsonSchemaKeyword.BOOLEAN:
+ propertyData.put(propertyName, property.getBoolean(JsonSchemaKeyword.DEFAULT));
+ break;
+ case JsonSchemaKeyword.INTEGER:
+ propertyData.put(propertyName, property.getInt(JsonSchemaKeyword.DEFAULT));
+ break;
+ case JsonSchemaKeyword.NUMBER:
+ propertyData.put(propertyName, property.getDouble(JsonSchemaKeyword.DEFAULT));
+ break;
+ case JsonSchemaKeyword.STRING:
+ propertyData.put(propertyName, property.getString(JsonSchemaKeyword.DEFAULT));
+ break;
+ default:
+ break;
+ }
+ } catch (JSONException e0) {
+ Object defaultValue = property.get(JsonSchemaKeyword.DEFAULT);
+ logger.error(String.format(
+ "Invalid schema: '%s' property type is '%s' but it has a default value which is not: %s.",
+ propertyName, propertyType, defaultValue), e0);
+ throw e0;
+ }
+ }
+
+ private static class JsonSchemaKeyword {
+ private static final String DEFAULT = "default";
+ private static final String TYPE = "type";
+ private static final String PROPERTIES = "properties";
+ private static final String ARRAY = "array";
+ private static final String BOOLEAN = "boolean";
+ private static final String INTEGER = "integer";
+ private static final String NUMBER = "number";
+ private static final String STRING = "string";
+ private static final String OBJECT = "object";
+ private static final String REF = "$ref";
+ }
+}