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.interfaces.BlueprintTemplateService
25 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
28 object BluePrintJinjaTemplateService: BlueprintTemplateService {
30 override suspend fun generateContent(template: String, json: String, ignoreJsonNull: Boolean,
31 additionalContext: MutableMap<String, Any>): String {
33 val jinJava = Jinjava()
34 val mapper = ObjectMapper()
35 val nodeFactory = BluePrintJsonNodeFactory()
36 mapper.nodeFactory = nodeFactory
38 // Add the JSON Data to the context
39 if (json.isNotEmpty()) {
40 val jsonNode = mapper.readValue<JsonNode>(json, JsonNode::class.java)
41 ?: throw BluePrintProcessorException("couldn't get json node from json")
43 JacksonUtils.removeJsonNullNode(jsonNode)
44 jsonNode.fields().forEach { entry ->
45 additionalContext[entry.key] = entry.value
49 return jinJava.render(template, additionalContext.toMap())