2 * Copyright © 2019 IBM, Bell Canada.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.onap.ccsdk.cds.controllerblueprints.core.service
19 import com.fasterxml.jackson.databind.JsonNode
20 import com.fasterxml.jackson.databind.ObjectMapper
21 import com.hubspot.jinjava.Jinjava
22 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
23 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintJsonNodeFactory
24 import org.onap.ccsdk.cds.controllerblueprints.core.removeNullNode
27 object BluePrintJinjaTemplateService {
29 fun generateContent(template: String, json: String, ignoreJsonNull: Boolean,
30 additionalContext: MutableMap<String, Any>): String {
32 val jinJava = Jinjava()
33 val mapper = ObjectMapper()
34 val nodeFactory = BluePrintJsonNodeFactory()
35 mapper.nodeFactory = nodeFactory
37 // Add the JSON Data to the context
38 if (json.isNotEmpty()) {
39 val jsonNode = mapper.readValue<JsonNode>(json, JsonNode::class.java)
40 ?: throw BluePrintProcessorException("couldn't get json node from json")
42 jsonNode.removeNullNode()
43 jsonNode.fields().forEach { entry ->
44 additionalContext[entry.key] = entry.value
48 return jinJava.render(template, additionalContext.toMap())