Migrate "ms/controllerblueprints" from ccsdk/apps
[ccsdk/cds.git] / ms / controllerblueprints / modules / service / src / main / kotlin / org / onap / ccsdk / cds / controllerblueprints / service / load / ResourceDictionaryLoadService.kt
1 /*
2  * Copyright © 2017-2018 AT&T Intellectual Property.
3  *
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
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16
17 package org.onap.ccsdk.cds.controllerblueprints.service.load
18
19 import com.att.eelf.configuration.EELFManager
20 import kotlinx.coroutines.Deferred
21 import kotlinx.coroutines.async
22 import kotlinx.coroutines.runBlocking
23 import org.apache.commons.lang3.StringUtils
24 import org.apache.commons.lang3.text.StrBuilder
25 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
26 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
27 import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceDefinition
28 import org.onap.ccsdk.cds.controllerblueprints.service.domain.ResourceDictionary
29 import org.onap.ccsdk.cds.controllerblueprints.service.handler.ResourceDictionaryHandler
30 import org.springframework.stereotype.Service
31 import java.io.File
32 import java.nio.charset.Charset
33
34 @Service
35 open class ResourceDictionaryLoadService(private val resourceDictionaryHandler: ResourceDictionaryHandler) {
36
37     private val log = EELFManager.getInstance().getLogger(ResourceDictionaryLoadService::class.java)
38
39     open fun loadPathsResourceDictionary(paths: List<String>) {
40         paths.forEach { loadPathResourceDictionary(it) }
41     }
42
43     open fun loadPathResourceDictionary(path: String) {
44         log.info(" *************************** loadResourceDictionary **********************")
45         val files = File(path).listFiles()
46
47         runBlocking {
48             val errorBuilder = StrBuilder()
49             val deferredResults = mutableListOf<Deferred<Unit>>()
50
51             for (file in files) {
52                 deferredResults += async {
53                     loadResourceDictionary(errorBuilder, file)
54                 }
55             }
56
57             for (deferredResult in deferredResults) {
58                 deferredResult.await()
59             }
60
61             if (!errorBuilder.isEmpty) {
62                 log.error(errorBuilder.toString())
63             }
64         }
65     }
66
67     private fun loadResourceDictionary(errorBuilder: StrBuilder, file: File) {
68         try {
69             log.trace("Loading NodeType(${file.name}")
70             val definitionContent = file.readText(Charset.defaultCharset())
71             val resourceDefinition = JacksonUtils.readValue(definitionContent, ResourceDefinition::class.java)
72             if (resourceDefinition != null) {
73
74                 checkNotNull(resourceDefinition.property) { "Failed to get Property Definition" }
75                 val resourceDictionary = ResourceDictionary()
76                 resourceDictionary.name = resourceDefinition.name
77                 resourceDictionary.definition = resourceDefinition
78
79                 checkNotNull(resourceDefinition.property) { "Property field is missing" }
80                 resourceDictionary.description = resourceDefinition.property.description
81                 resourceDictionary.dataType = resourceDefinition.property.type
82
83                 if (resourceDefinition.property.entrySchema != null) {
84                     resourceDictionary.entrySchema = resourceDefinition.property.entrySchema!!.type
85                 }
86                 resourceDictionary.updatedBy = resourceDefinition.updatedBy
87
88                 if (StringUtils.isBlank(resourceDefinition.tags)) {
89                     resourceDictionary.tags = (resourceDefinition.name + ", " + resourceDefinition.updatedBy
90                             + ", " + resourceDefinition.updatedBy)
91
92                 } else {
93                     resourceDictionary.tags = resourceDefinition.tags
94                 }
95                 resourceDictionaryHandler.saveResourceDictionary(resourceDictionary)
96
97                 log.trace("Resource dictionary(${file.name}) loaded successfully ")
98             } else {
99                 throw BluePrintException("couldn't get dictionary from content information")
100             }
101         } catch (e: Exception) {
102             errorBuilder.appendln("Couldn't load Resource dictionary (${file.name}: ${e.message}")
103         }
104     }
105
106 }