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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2018 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.onap.clamp.clds.tosca;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.json.JSONArray;
import org.json.JSONObject;
import org.yaml.snakeyaml.Yaml;
/**
* Tosca Model Yaml parser and convertor to JSON Schema consumable for JSON
* Editor.
*
*/
public class ToscaYamlToJsonConvertor {
private int simpleTypeOrder = 1000;
private int complexTypeOrder = 10000;
private int complexSimpleTypeOrder = 1;
private int incrementSimpleTypeOrder() {
return simpleTypeOrder++;
}
private int incrementComplexTypeOrder() {
return complexTypeOrder = complexTypeOrder + 10000;
}
private int incrementComplexSimpleTypeOrder() {
complexSimpleTypeOrder++;
return complexTypeOrder + complexSimpleTypeOrder;
}
/**
* Parses Tosca YAML string.
*
* @param yamlString YAML string
* @param modelTypeToUse The model type that must be used to obtain the Json
* Schema
* @return JSON string
*/
public String parseToscaYaml(String yamlString, String modelTypeToUse) {
Yaml yaml = new Yaml();
LinkedHashMap<String, Object> loadedYaml = yaml.load(yamlString);
if (loadedYaml == null) {
return "";
}
LinkedHashMap<String, Object> nodeTypes = new LinkedHashMap<>();
LinkedHashMap<String, Object> dataNodes = new LinkedHashMap<>();
JSONObject jsonParentObject = new JSONObject();
JSONObject jsonTempObject = new JSONObject();
parseNodeAndDataType(loadedYaml, nodeTypes, dataNodes);
populateJsonEditorObject(loadedYaml, nodeTypes, dataNodes, jsonParentObject, jsonTempObject, modelTypeToUse);
if (jsonTempObject.length() > 0) {
jsonParentObject = jsonTempObject;
}
JSONObject jsonEditorObject = new JSONObject();
jsonEditorObject.put(JsonEditorSchemaConstants.SCHEMA, jsonParentObject);
return jsonEditorObject.toString();
}
// Parse node_type and data_type
@SuppressWarnings("unchecked")
private void parseNodeAndDataType(LinkedHashMap<String, Object> map, LinkedHashMap<String, Object> nodeTypes,
LinkedHashMap<String, Object> dataNodes) {
map.entrySet().stream().forEach(n -> {
if (n.getKey().contains(ToscaSchemaConstants.NODE_TYPES) && n.getValue() instanceof Map) {
parseNodeAndDataType((LinkedHashMap<String, Object>) n.getValue(), nodeTypes, dataNodes);
} else if (n.getKey().contains(ToscaSchemaConstants.DATA_TYPES) && n.getValue() instanceof Map) {
parseNodeAndDataType((LinkedHashMap<String, Object>) n.getValue(), nodeTypes, dataNodes);
} else if (n.getKey().contains(ToscaSchemaConstants.POLICY_NODE)) {
nodeTypes.put(n.getKey(), n.getValue());
} else if (n.getKey().contains(ToscaSchemaConstants.POLICY_DATA)) {
dataNodes.put(n.getKey(), n.getValue());
}
});
}
@SuppressWarnings("unchecked")
private void populateJsonEditorObject(LinkedHashMap<String, Object> map, LinkedHashMap<String, Object> nodeTypes,
LinkedHashMap<String, Object> dataNodes, JSONObject jsonParentObject, JSONObject jsonTempObject,
String modelTypeToUse) {
Map<String, JSONObject> jsonEntrySchema = new HashMap<>();
jsonParentObject.put(JsonEditorSchemaConstants.TYPE, JsonEditorSchemaConstants.TYPE_OBJECT);
if (nodeTypes.get(modelTypeToUse) instanceof Map) {
((LinkedHashMap<String, Object>) nodeTypes.get(modelTypeToUse)).entrySet().forEach(ntElement -> {
if (ntElement.getKey().equalsIgnoreCase(ToscaSchemaConstants.PROPERTIES)) {
JSONArray rootNodeArray = new JSONArray();
if (ntElement.getValue() instanceof Map) {
((LinkedHashMap<String, Object>) ntElement.getValue()).entrySet()
.forEach((ntPropertiesElement) -> {
boolean isListNode = false;
parseDescription((LinkedHashMap<String, Object>) ntPropertiesElement.getValue(),
jsonParentObject);
LinkedHashMap<String, Object> parentPropertiesMap = (LinkedHashMap<String, Object>) ntPropertiesElement
.getValue();
if (parentPropertiesMap.containsKey(ToscaSchemaConstants.TYPE)
&& ((String) parentPropertiesMap.get(ToscaSchemaConstants.TYPE))
.contains(ToscaSchemaConstants.TYPE_MAP)
&& parentPropertiesMap.containsKey(ToscaSchemaConstants.ENTRY_SCHEMA)) {
parentPropertiesMap = (LinkedHashMap<String, Object>) parentPropertiesMap
.get(ToscaSchemaConstants.ENTRY_SCHEMA);
isListNode = true;
}
if (parentPropertiesMap.containsKey(ToscaSchemaConstants.TYPE)
&& ((String) parentPropertiesMap.get(ToscaSchemaConstants.TYPE))
.contains(ToscaSchemaConstants.POLICY_DATA)) {
((LinkedHashMap<String, Object>) dataNodes
.get(parentPropertiesMap.get(ToscaSchemaConstants.TYPE))).entrySet()
.stream().forEach(pmap -> {
if (pmap.getKey().equalsIgnoreCase(
ToscaSchemaConstants.PROPERTIES)) {
parseToscaProperties(ToscaSchemaConstants.POLICY_NODE,
(LinkedHashMap<String, Object>) pmap.getValue(),
jsonParentObject, rootNodeArray,
jsonEntrySchema, dataNodes,
incrementSimpleTypeOrder());
}
});
}
if (isListNode) {
jsonTempObject.put(JsonEditorSchemaConstants.TYPE,
JsonEditorSchemaConstants.TYPE_ARRAY);
parseDescription((LinkedHashMap<String, Object>) ntPropertiesElement.getValue(),
jsonTempObject);
jsonTempObject.put(JsonEditorSchemaConstants.ITEMS, jsonParentObject);
jsonTempObject.put(JsonEditorSchemaConstants.FORMAT,
JsonEditorSchemaConstants.CUSTOM_KEY_FORMAT_TABS_TOP);
jsonTempObject.put(JsonEditorSchemaConstants.UNIQUE_ITEMS,
JsonEditorSchemaConstants.TRUE);
}
});
}
}
});
}
}
@SuppressWarnings("unchecked")
private void parseToscaProperties(String parentKey, LinkedHashMap<String, Object> propertiesMap,
JSONObject jsonDataNode, JSONArray array, Map<String, JSONObject> jsonEntrySchema,
LinkedHashMap<String, Object> dataNodes, final int order) {
JSONObject jsonPropertyNode = new JSONObject();
propertiesMap.entrySet().stream().forEach(p -> {
// Populate JSON Array for "required" key
if (p.getValue() instanceof Map) {
LinkedHashMap<String, Object> nodeMap = (LinkedHashMap<String, Object>) p.getValue();
if (nodeMap.containsKey(ToscaSchemaConstants.REQUIRED)
&& ((boolean) nodeMap.get(ToscaSchemaConstants.REQUIRED))) {
array.put(p.getKey());
}
// if(nodeMap.containsKey(ToscaSchemaConstants.CONSTRAINTS))
parseToscaChildNodeMap(p.getKey(), nodeMap, jsonPropertyNode, jsonEntrySchema, dataNodes, array,
incrementSimpleTypeOrder());
}
});
jsonDataNode.put(JsonEditorSchemaConstants.REQUIRED, array);
jsonDataNode.put(JsonEditorSchemaConstants.PROPERTIES, jsonPropertyNode);
}
@SuppressWarnings("unchecked")
private void parseToscaPropertiesForType(String parentKey, LinkedHashMap<String, Object> propertiesMap,
JSONObject jsonDataNode, JSONArray array, Map<String, JSONObject> jsonEntrySchema,
LinkedHashMap<String, Object> dataNodes, boolean isType, int order) {
JSONObject jsonPropertyNode = new JSONObject();
propertiesMap.entrySet().stream().forEach(p -> {
// array.put(p.getKey());
boolean overWriteArray = false;
if (p.getValue() instanceof Map) {
LinkedHashMap<String, Object> nodeMap = (LinkedHashMap<String, Object>) p.getValue();
if (!(parentKey.contains(ToscaSchemaConstants.ENTRY_SCHEMA)
|| parentKey.contains(ToscaSchemaConstants.POLICY_NODE))
&& nodeMap.containsKey(ToscaSchemaConstants.TYPE)
&& (((String) nodeMap.get(ToscaSchemaConstants.TYPE))
.contains(ToscaSchemaConstants.POLICY_DATA))) {
overWriteArray = true;
}
if (nodeMap.containsKey(ToscaSchemaConstants.REQUIRED)
&& ((boolean) nodeMap.get(ToscaSchemaConstants.REQUIRED))) {
array.put(p.getKey());
}
parseToscaChildNodeMap(p.getKey(), nodeMap, jsonPropertyNode, jsonEntrySchema, dataNodes, array, order);
}
});
jsonDataNode.put(JsonEditorSchemaConstants.REQUIRED, array);
jsonDataNode.put(JsonEditorSchemaConstants.PROPERTIES, jsonPropertyNode);
}
private void parseToscaChildNodeMap(String childObjectKey, LinkedHashMap<String, Object> childNodeMap,
JSONObject jsonPropertyNode, Map<String, JSONObject> jsonEntrySchema,
LinkedHashMap<String, Object> dataNodes, JSONArray array, int order) {
JSONObject childObject = new JSONObject();
// JSONArray childArray = new JSONArray();
parseDescription(childNodeMap, childObject);
parseTypes(childObjectKey, childNodeMap, childObject, jsonEntrySchema, dataNodes, array, order);
parseConstraints(childNodeMap, childObject);
parseEntrySchema(childNodeMap, childObject, jsonPropertyNode, jsonEntrySchema, dataNodes);
jsonPropertyNode.put(childObjectKey, childObject);
order++;
}
private void parseEntrySchema(LinkedHashMap<String, Object> childNodeMap, JSONObject childObject,
JSONObject jsonPropertyNode, Map<String, JSONObject> jsonEntrySchema,
LinkedHashMap<String, Object> dataNodes) {
if (childNodeMap.get(ToscaSchemaConstants.ENTRY_SCHEMA) != null) {
if (childNodeMap.get(ToscaSchemaConstants.ENTRY_SCHEMA) instanceof Map) {
LinkedHashMap<String, Object> entrySchemaMap = (LinkedHashMap<String, Object>) childNodeMap
.get(ToscaSchemaConstants.ENTRY_SCHEMA);
entrySchemaMap.entrySet().stream().forEach(entry -> {
if (entry.getKey().equalsIgnoreCase(ToscaSchemaConstants.TYPE) && entry.getValue() != null) {
String entrySchemaType = (String) entry.getValue();
if (entrySchemaType.contains(ToscaSchemaConstants.POLICY_DATA)) {
JSONArray array = new JSONArray();
if (jsonEntrySchema.get(entrySchemaType) != null) {
// Already traversed
JSONObject entrySchemaObject = jsonEntrySchema.get(entrySchemaType);
attachEntrySchemaJsonObject(childObject, entrySchemaObject,
JsonEditorSchemaConstants.TYPE_OBJECT);
} else if (dataNodes.containsKey(entrySchemaType)) {
JSONObject entrySchemaObject = new JSONObject();
// Need to traverse
((LinkedHashMap<String, Object>) dataNodes.get(entrySchemaType)).entrySet().stream()
.forEach(pmap -> {
if (pmap.getKey().equalsIgnoreCase(ToscaSchemaConstants.PROPERTIES)) {
parseToscaProperties(ToscaSchemaConstants.ENTRY_SCHEMA,
(LinkedHashMap<String, Object>) pmap.getValue(),
entrySchemaObject, array, jsonEntrySchema, dataNodes,
incrementComplexTypeOrder());
jsonEntrySchema.put(entrySchemaType, entrySchemaObject);
dataNodes.remove(entrySchemaType);
attachEntrySchemaJsonObject(childObject, entrySchemaObject,
JsonEditorSchemaConstants.TYPE_OBJECT);
}
});
}
} else if (entrySchemaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_STRING)
|| entrySchemaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_INTEGER)
|| entrySchemaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_FLOAT)) {
JSONObject entrySchemaObject = new JSONObject();
parseConstraints(entrySchemaMap, entrySchemaObject);
String jsontype = JsonEditorSchemaConstants.TYPE_STRING;
if (entrySchemaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_INTEGER)
|| entrySchemaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_FLOAT)) {
jsontype = JsonEditorSchemaConstants.TYPE_INTEGER;
}
if (childNodeMap.get(ToscaSchemaConstants.TYPE) != null) {
// Only known value of type is String for now
if (childNodeMap.get(ToscaSchemaConstants.TYPE) instanceof String) {
String typeValue = (String) childNodeMap.get(ToscaSchemaConstants.TYPE);
if (typeValue.equalsIgnoreCase(ToscaSchemaConstants.TYPE_LIST)) {
// Custom key for JSON Editor and UI rendering
childObject.put(JsonEditorSchemaConstants.CUSTOM_KEY_FORMAT,
JsonEditorSchemaConstants.FORMAT_SELECT);
// childObject.put(JsonEditorSchemaConstants.UNIQUE_ITEMS,
// JsonEditorSchemaConstants.TRUE);
}
}
}
attachEntrySchemaJsonObject(childObject, entrySchemaObject, jsontype);
}
}
});
}
}
}
private void attachEntrySchemaJsonObject(JSONObject childObject, JSONObject entrySchemaObject, String dataType) {
entrySchemaObject.put(JsonEditorSchemaConstants.TYPE, dataType);
childObject.put(JsonEditorSchemaConstants.ITEMS, entrySchemaObject);
}
@SuppressWarnings("unchecked")
private void attachTypeJsonObject(JSONObject childObject, JSONObject typeObject) {
Iterator<String> keys = typeObject.keys();
while (keys.hasNext()) {
String key = keys.next();
childObject.put(key, typeObject.get(key));
}
}
/*
* private String parseKey(String toscaKey, String lookupString) { return
* toscaKey.substring(toscaKey.indexOf(lookupString) + lookupString.length(),
* toscaKey.length()); }
*/
private void parseDescription(LinkedHashMap<String, Object> childNodeMap, JSONObject childObject) {
if (childNodeMap.get(ToscaSchemaConstants.DESCRIPTION) != null) {
childObject.put(JsonEditorSchemaConstants.TITLE, childNodeMap.get(ToscaSchemaConstants.DESCRIPTION));
}
}
private void parseTypes(String childObjectKey, LinkedHashMap<String, Object> childNodeMap, JSONObject childObject,
Map<String, JSONObject> jsonEntrySchema, LinkedHashMap<String, Object> dataNodes, JSONArray array,
int order) {
if (childNodeMap.get(ToscaSchemaConstants.TYPE) != null) {
// Only known value of type is String for now
if (childNodeMap.get(ToscaSchemaConstants.TYPE) instanceof String) {
childObject.put(JsonEditorSchemaConstants.PROPERTY_ORDER, order);
String typeValue = (String) childNodeMap.get(ToscaSchemaConstants.TYPE);
if (typeValue.equalsIgnoreCase(ToscaSchemaConstants.TYPE_INTEGER)) {
childObject.put(JsonEditorSchemaConstants.TYPE, JsonEditorSchemaConstants.TYPE_INTEGER);
} else if (typeValue.equalsIgnoreCase(ToscaSchemaConstants.TYPE_FLOAT)) {
childObject.put(JsonEditorSchemaConstants.TYPE, JsonEditorSchemaConstants.TYPE_INTEGER);
} else if (typeValue.equalsIgnoreCase(ToscaSchemaConstants.TYPE_LIST)) {
childObject.put(JsonEditorSchemaConstants.TYPE, JsonEditorSchemaConstants.TYPE_ARRAY);
// Custom key for JSON Editor and UI rendering
childObject.put(JsonEditorSchemaConstants.CUSTOM_KEY_FORMAT,
JsonEditorSchemaConstants.CUSTOM_KEY_FORMAT_TABS_TOP);
childObject.put(JsonEditorSchemaConstants.UNIQUE_ITEMS, JsonEditorSchemaConstants.TRUE);
} else if (typeValue.equalsIgnoreCase(ToscaSchemaConstants.TYPE_MAP)) {
childObject.put(JsonEditorSchemaConstants.TYPE, JsonEditorSchemaConstants.TYPE_OBJECT);
} else if (typeValue.contains(ToscaSchemaConstants.POLICY_DATA)) {
JSONArray childArray = new JSONArray();
if (jsonEntrySchema.get(typeValue) != null) {
// Already traversed
JSONObject entrySchemaObject = jsonEntrySchema.get(typeValue);
attachTypeJsonObject(childObject, entrySchemaObject);
} else if (dataNodes.containsKey(typeValue)) {
JSONObject entrySchemaObject = new JSONObject();
// Need to traverse
JSONArray jsonArray = new JSONArray();
((LinkedHashMap<String, Object>) dataNodes.get(typeValue)).entrySet().stream().forEach(pmap -> {
if (pmap.getKey().equalsIgnoreCase(ToscaSchemaConstants.PROPERTIES)) {
parseToscaPropertiesForType(childObjectKey,
(LinkedHashMap<String, Object>) pmap.getValue(), entrySchemaObject, childArray,
jsonEntrySchema, dataNodes, true, incrementComplexSimpleTypeOrder());
jsonEntrySchema.put(typeValue, entrySchemaObject);
dataNodes.remove(typeValue);
attachTypeJsonObject(childObject, entrySchemaObject);
}
});
}
} else {
childObject.put(JsonEditorSchemaConstants.TYPE, JsonEditorSchemaConstants.TYPE_STRING);
}
}
if (childNodeMap.get(ToscaSchemaConstants.DEFAULT) != null) {
childObject.put(JsonEditorSchemaConstants.DEFAULT, childNodeMap.get(ToscaSchemaConstants.DEFAULT));
}
}
}
private void parseConstraints(LinkedHashMap<String, Object> childNodeMap, JSONObject childObject) {
if (childNodeMap.containsKey(ToscaSchemaConstants.CONSTRAINTS)
&& childNodeMap.get(ToscaSchemaConstants.CONSTRAINTS) != null) {
List<LinkedHashMap<String, Object>> constraintsList = (List<LinkedHashMap<String, Object>>) childNodeMap
.get(ToscaSchemaConstants.CONSTRAINTS);
constraintsList.stream().forEach(c -> {
if (c instanceof Map) {
c.entrySet().stream().forEach(constraint -> {
if (constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.MIN_LENGTH)
|| constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.GREATER_OR_EQUAL)) {
// For String min_lenghth is minimum length whereas for number, it will be
// minimum or greater than to the defined value
if (childNodeMap.containsKey(ToscaSchemaConstants.TYPE)
&& (childNodeMap.get(ToscaSchemaConstants.TYPE) instanceof String)
&& ((String) childNodeMap.get(ToscaSchemaConstants.TYPE))
.equalsIgnoreCase(ToscaSchemaConstants.TYPE_STRING)) {
childObject.put(JsonEditorSchemaConstants.MIN_LENGTH, constraint.getValue());
} else {
childObject.put(JsonEditorSchemaConstants.MINIMUM, constraint.getValue());
}
} else if (constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.MAX_LENGTH)
|| constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.LESS_OR_EQUAL)) {
// For String max_lenghth is maximum length whereas for number, it will be
// maximum or less than the defined value
if (childNodeMap.containsKey(ToscaSchemaConstants.TYPE)
&& (childNodeMap.get(ToscaSchemaConstants.TYPE) instanceof String)
&& ((String) childNodeMap.get(ToscaSchemaConstants.TYPE))
.equalsIgnoreCase(ToscaSchemaConstants.TYPE_STRING)) {
childObject.put(JsonEditorSchemaConstants.MAX_LENGTH, constraint.getValue());
} else {
childObject.put(JsonEditorSchemaConstants.MAXIMUM, constraint.getValue());
}
} else if (constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.LESS_THAN)) {
childObject.put(JsonEditorSchemaConstants.EXCLUSIVE_MAXIMUM, constraint.getValue());
} else if (constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.GREATER_THAN)) {
childObject.put(JsonEditorSchemaConstants.EXCLUSIVE_MINIMUM, constraint.getValue());
} else if (constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.IN_RANGE)) {
if (constraint.getValue() instanceof ArrayList<?>) {
if (childNodeMap.containsKey(ToscaSchemaConstants.TYPE)
&& (childNodeMap.get(ToscaSchemaConstants.TYPE) instanceof String)
&& ((String) childNodeMap.get(ToscaSchemaConstants.TYPE))
.equalsIgnoreCase(ToscaSchemaConstants.TYPE_STRING)) {
childObject.put(JsonEditorSchemaConstants.MIN_LENGTH,
((ArrayList) constraint.getValue()).get(0));
childObject.put(JsonEditorSchemaConstants.MAX_LENGTH,
((ArrayList) constraint.getValue()).get(1));
} else {
childObject.put(JsonEditorSchemaConstants.MINIMUM,
((ArrayList) constraint.getValue()).get(0));
childObject.put(JsonEditorSchemaConstants.MAXIMUM,
((ArrayList) constraint.getValue()).get(1));
}
}
} else if (constraint.getKey().equalsIgnoreCase(ToscaSchemaConstants.VALID_VALUES)) {
JSONArray validValuesArray = new JSONArray();
if (constraint.getValue() instanceof ArrayList<?>) {
boolean processDictionary = ((ArrayList<?>) constraint.getValue()).stream()
.anyMatch(value -> (value instanceof String
&& ((String) value).contains(ToscaSchemaConstants.DICTIONARY)));
if (!processDictionary) {
((ArrayList<?>) constraint.getValue()).stream().forEach(value -> {
validValuesArray.put(value);
});
childObject.put(JsonEditorSchemaConstants.ENUM, validValuesArray);
} else {
((ArrayList<?>) constraint.getValue()).stream().forEach(value -> {
if ((value instanceof String
&& ((String) value).contains(ToscaSchemaConstants.DICTIONARY))) {
processDictionaryElements(childObject, (String) value);
}
});
}
}
}
});
}
});
}
}
private void processDictionaryElements(JSONObject childObject, String dictionaryReference) {
}
private String getJsonType(String toscaType) {
String jsonType = null;
if (toscaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_INTEGER)) {
jsonType = JsonEditorSchemaConstants.TYPE_INTEGER;
} else if (toscaType.equalsIgnoreCase(ToscaSchemaConstants.TYPE_LIST)) {
jsonType = JsonEditorSchemaConstants.TYPE_ARRAY;
} else {
jsonType = JsonEditorSchemaConstants.TYPE_STRING;
}
return jsonType;
}
}
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