2 * Copyright © 2017-2018 AT&T Intellectual Property.
3 * Modifications Copyright © 2019 IBM.
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.
18 package org.onap.ccsdk.cds.controllerblueprints.core.utils
20 import com.fasterxml.jackson.databind.JsonNode
21 import kotlinx.coroutines.Dispatchers
22 import kotlinx.coroutines.withContext
23 import org.apache.commons.io.IOUtils
24 import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
25 import org.slf4j.LoggerFactory
27 import java.nio.charset.Charset
29 class JacksonReactorUtils {
32 private val log = LoggerFactory.getLogger(this::class.toString())
34 suspend fun getContent(fileName: String): String {
35 // log.info("Reading File($fileName)")
36 return getContent(normalizedFile(fileName))
39 suspend fun getContent(file: File): String = withContext(Dispatchers.IO) {
40 // log.info("Reading File(${file.absolutePath})")
41 file.readText(Charsets.UTF_8)
44 suspend fun getClassPathFileContent(fileName: String): String = withContext(Dispatchers.IO) {
45 // log.trace("Reading Classpath File($fileName)")
47 JacksonUtils::class.java.classLoader
48 .getResourceAsStream(fileName),
49 Charset.defaultCharset()
53 suspend fun <T> readValueFromFile(fileName: String, valueType: Class<T>): T? {
54 val content: String = getContent(fileName)
55 return JacksonUtils.readValue(content, valueType)
58 suspend fun <T> readValueFromClassPathFile(fileName: String, valueType: Class<T>): T? {
59 val content: String = getClassPathFileContent(fileName)
60 return JacksonUtils.readValue(content, valueType)
63 suspend fun jsonNodeFromClassPathFile(fileName: String): JsonNode {
64 val content: String = getClassPathFileContent(fileName)
65 return JacksonUtils.jsonNode(content)
68 suspend fun jsonNodeFromFile(fileName: String): JsonNode {
69 val content: String = getContent(fileName)
70 return JacksonUtils.jsonNode(content)
73 suspend fun <T> getListFromFile(fileName: String, valueType: Class<T>): List<T> {
74 val content: String = getContent(fileName)
75 return JacksonUtils.getListFromJson(content, valueType)
78 suspend fun <T> getListFromClassPathFile(fileName: String, valueType: Class<T>): List<T> {
79 val content: String = getClassPathFileContent(fileName)
80 return JacksonUtils.getListFromJson(content, valueType)
83 suspend fun <T> getMapFromFile(file: File, valueType: Class<T>): MutableMap<String, T> {
84 val content: String = getContent(file)
85 return JacksonUtils.getMapFromJson(content, valueType)
88 suspend fun <T> getMapFromClassPathFile(fileName: String, valueType: Class<T>): MutableMap<String, T> {
89 val content: String = getClassPathFileContent(fileName)
90 return JacksonUtils.getMapFromJson(content, valueType)