2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
20 package org.onap.ccsdk.cds.blueprintsprocessor
22 import com.fasterxml.jackson.core.JsonParser
23 import com.fasterxml.jackson.databind.DeserializationContext
24 import com.fasterxml.jackson.databind.deser.std.StdDeserializer
26 class PathDeserializer : StdDeserializer<String>(String::class.java) {
27 override fun deserialize(jp: JsonParser, ctxt: DeserializationContext?): String {
28 val path = jp.codec.readValue(jp, Any::class.java)
33 * Join a multilevel lists of strings.
34 * Example: flatJoin(listOf("a", listOf("b", "c"), "d")) will result in "a/b/c/d".
36 private fun flatJoin(path: Any): String {
37 fun flatJoinTo(sb: StringBuilder, path: Any): StringBuilder {
39 is List<*> -> path.filterNotNull().forEach { flatJoinTo(sb, it) }
41 if (sb.isNotEmpty()) {
46 else -> throw IllegalArgumentException("Unsupported type: ${path.javaClass}")
50 return flatJoinTo(StringBuilder(), path).toString()