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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2019 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.ccsdk.cds.controllerblueprints.core.service
import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintException
import org.onap.ccsdk.cds.controllerblueprints.core.data.ImportDefinition
import org.onap.ccsdk.cds.controllerblueprints.core.data.ServiceTemplate
import org.onap.ccsdk.cds.controllerblueprints.core.utils.ServiceTemplateUtils
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import java.io.File
import java.net.URL
import java.net.URLDecoder
import java.nio.charset.Charset
class BlueprintImportService(private val parentServiceTemplate: ServiceTemplate, private val blueprintBasePath: String) {
companion object {
private const val PARENT_SERVICE_TEMPLATE: String = "parent"
}
private val log: Logger = LoggerFactory.getLogger(this::class.toString())
private var importServiceTemplateMap: MutableMap<String, ServiceTemplate> = hashMapOf()
suspend fun getImportResolvedServiceTemplate(): ServiceTemplate {
// Populate Imported Service Templates
traverseSchema(PARENT_SERVICE_TEMPLATE, parentServiceTemplate)
importServiceTemplateMap.forEach { key, serviceTemplate ->
ServiceTemplateUtils.merge(parentServiceTemplate, serviceTemplate)
log.debug("merged service template $key")
}
return parentServiceTemplate
}
private suspend fun traverseSchema(key: String, serviceTemplate: ServiceTemplate) {
if (key != PARENT_SERVICE_TEMPLATE) {
importServiceTemplateMap[key] = serviceTemplate
}
val imports: List<ImportDefinition>? = serviceTemplate.imports
imports?.let {
serviceTemplate.imports?.forEach { importDefinition ->
val childServiceTemplate = resolveImportDefinition(importDefinition)
val keyName: String = importDefinition.file
traverseSchema(keyName, childServiceTemplate)
}
}
}
private suspend fun resolveImportDefinition(importDefinition: ImportDefinition): ServiceTemplate {
var serviceTemplate: ServiceTemplate? = null
val file: String = importDefinition.file
val decodedSystemId: String = URLDecoder.decode(file, Charset.defaultCharset().toString())
log.trace("file ({}), decodedSystemId ({}) ", file, decodedSystemId)
try {
if (decodedSystemId.startsWith("http", true) ||
decodedSystemId.startsWith("https", true)
) {
val givenUrl: String = URL(decodedSystemId).toString()
val systemUrl: String = File(".").toURI().toURL().toString()
log.trace("givenUrl ({}), systemUrl ({}) ", givenUrl, systemUrl)
if (givenUrl.startsWith(systemUrl)) {
}
} else {
if (!decodedSystemId.startsWith("/")) {
importDefinition.file = StringBuilder().append(blueprintBasePath).append(File.separator).append(file).toString()
}
serviceTemplate = ServiceTemplateUtils.getServiceTemplate(importDefinition.file)
}
} catch (e: Exception) {
throw BlueprintException("failed to populate service template for ${importDefinition.file} original error: ${e.message}", e)
}
if (serviceTemplate == null) {
throw BlueprintException("failed to populate service template for : ${importDefinition.file}")
}
return serviceTemplate
}
}
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